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Sewage Works Journal, Vol. 14, No. 1

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S E W A G E W O R K S J O U R N A L

v o l .

x i v J A N U A R Y , 1 9 4 2

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A c t i v a t e d S l u d g e O p e r a t i o n — P e a r s e a n d C o m m i t t e e

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F E D E R A T I O N O F S E W A G E W O R K S A S S O C I A T I O N S

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m a k i n g s u f f i c i e n t p r o v i s i o n i n y o u r 1 9 4 2 A D V E R T I S I N G B U D G E T f o r s p a c e i n S E W A G E W O R K S J O U R N A L i n c l u d ­

i n g i t s 1 9 4 2 C O N V E N T I O N N U M B E R .

S E W A G E W O R K S J O U R N A L i s t h e l e a d i n g m e d i u m

t o d a y f o r r e a c h i n g t h e “ k e y ” m e n i n t h e S e w e r a g e a n d S e w a g e

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t i o n o f S e w a g e W o r k s A s s o c i a t i o n s . I t s l o w r a t e s a n d o u t ­

s t a n d i n g s p e c ia li z e d c i r c u l a t i o n o f o v e r 3 1 0 0 a s s u r e e c o n o m y p l u s e f f e c t i v e n e s s .

B E P R O G R E S S I V E . . . s e c u r e y o u r f u l l s h a r e o f

1 9 4 2 s a l e s o f s e w e r a g e a n d s e w a g e t r e a t m e n t e q u i p m e n t a n d s u p p l i e s . . .

A D V E R T I S E I N

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A R T H U R A . C L A Y , A d v e r t i s i n g M a n a g e r 6 5 4 M A D I S O N A V E N U E

N E W Y O R K C I T Y

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T H E A M E R I C A N W E L L W O R K S

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T H O M A S R . C A M P , A s s o c . P r o f . S a n . E n g r . M . I. T .

C R O S S S E C T I O N O F C H A N N E L T H R O U G H O U T L E T E N D

N O T E S :

1 . V a r y i n g w i d t h “ W ” c h a n g e s v e l o c i t y i n c h a n n e l .

2 . A n y d e s i r e d v e l o c i t y w i l l b e m a i n t a i n e d o v e r t h e e n t i r e r a n g e i n f l o w f o r o n e s e t t i n g o f t h e C a m p R e g u l a t o r .

3 . C h a n n e l c a n b e p r o v i d e d w i t h s c r a p e r t o r e m o v e g r i t .

a n g u l a r c o n t r o l s e c t i o n f o r a c c u ­

r a t e l y C O N T R O L L I N G a n d

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f l o w t h r o u g h a g r i t c h a m b e r o v e r

a l l r a n g e s o f f l o w .

S e n d f o r B u l l e t i n N o . 2 4 9 .

A D V A N T A G E S

1 . L e s s h e a d l o s s t h a n a S u t r o W e i r .

2 . A c c u r a t e v e l o c i t y c o n t r o l o v e r

e n t i r e r a n g e i n f l o w .

3 . S i m p l e a d j u s t m e n t c h a n g e s v e ­

l o c i t y o v e r e n t i r e r a n g e o f f l o w .

4 . C a n b e u s e d a s a f l o w m e a s u r i n g

d e v i c e .

■ A M E R I C A N " P R I M A R Y S L U D G E P U M P

A D V A N T A G E S :

1 . N o d i r t y v a l v e p o c k e t s t o c l e a n .

2 . C u t s u p s o l i d s i n t o s m a l l p a r t i c l e s .

3 . E l i m i n a t e s “ D i r t y W o r k ” i n o p e r a t i n g s l u d g e p u m p s .

4 . D e p e n d a b l e , c o n t i n u o u s s e r v i c e .

! P O L I T E C H N IK I

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A S S O C I A T I O N S

O F F I C E R S

President

Ar t h u r S. Be d e l l, D iv is io n o f Sanitation, State D ept, o f H ealth, Alba ny , N . Y .

Vice-President

Ge o r g e J. Sc h r o e p f e r, M inneapolis-St. P a u l Sanitary D is trict, St. Pa u l, M in n .

W . W . DeBe r a r d, C it y Engineer, Chicago, III.

W . H . Wi s e l y, Box 18, Urbana, 111.

Treasurer

Secretary

Editor

F . W . Mo h l m a n, C h ie f Chemist, T h e Sanitary D is tric t o f Chicago, 910 S. M ic h ig a n Ave., Chicago, III.

Assistant to the Editor

G la d y s Swope, N o rth Shore Sanitary D is trict, D ahringer Road, W aukegan, III.

Directors Arizona: P . J. M a r t i n (1943)

California: A . L . F r i c k (1941)*

Central States: G. J. S c h r o e p fe r (1942)

Dakota: W . W . T o w n e (1943)

Florida: Jo e W illia m s o n , J r . (1944)

Federal: J. K . H o s k in s (1944)

Georgia: V. P . E n lo e (1944)

Iowa: A . H . W ie t e r s (1944)

Kansas: E a r n e s t B o y c e (1942)

Maryland-Delaware: H . R . H a l l (1942)

Michigan: N . G. D am oose (1943)

Missouri: G. S. R u s s e l l (1942)

New England: F . W . G ilc r e a s (1942)

New Jersey: W i l l e m R u d p l f s (1943)

New York: N . L . N u s s b a u m e r (1942)

North Carolina: H . G . B a it y (1943)

Ohio: F . W . Jo n e s (1942)

Oklahoma: H . J. D a r c e y (1941)*

Pacific Northwest: J. W . C u n n in g h a m (1941)*

* Successor not yet designated.

Pennsylvania: H . E . M o s e s (1943)

Rocky Mountain: C. A . D a v is (1942)

Texas: V . M . E h l e r s (1942)

Argentina: E . B . B e s s e lie v r e (1943)

Canada: A . E . B e r r y (1943)

Inst. San. Eng. (.Eng.): J. E . F a r m e r (1941)*

Inst. Sew. Pur. (Eng.): J. H . G a r n e r (1941)*

At Large: A . H . N i l e s (1944)

At Large: A . M . R a w n (1943)

At Large: L. H . E n s lo w (1942)

W. and S. Wks. Mfgrs. : K a r l M . M a n n (1944)

W. and S. Wks. Mfgrs.: V. S. M c A f e e (1943)

W. and S. Wks. Mfgrs.: L . E . R f.in (1942)

Ex-Officio: C. A . E m e r s o n (1942)

Ex-Officio: M o r r i s M . C o h n (1942)

Ex-Officio: G. R . F r i t h (1942)

Ex-Officio: F . W . G ilc r e a s (1942)

Ex-Officio: W il le m R u d o lf s (1942)

S E W A G E W O R K S J O U R N A L

REG. U. S. PAT. OFF.

u B iT n l!lly J ° urnal devot,;d to the advancement of fundamental and practical knowledge concerning the nature ment T s e W a g e works SeWage ^ mdUStnal wastes’ and the desiSn > construction, operation and manage^

P u b lica tion Office: Prince and Lem on Sts., Lancaster, Pa.

Subscription Price:

M embers o f Lo ca l Sewage W orks Associations affiliated w ith the Federation, $3.00 per year.

Non-members: U . S. and Canada, $5.00 per year; other countries, $5.50.

Foreign Subscriptions m ust be accompanied by International M o n e y Order.

Single copies: U n ite d States, $1.00 each; Foreign, $1.25 each.

M a n u s c r i p t m a y b e s e n t t o th e E d i t o r , F . W . M o h l m a n 91« S o M l..

f o r a c c e p t a n c e o r r e j e c t io n s u b j e c t t o th e p r o v is i o n s o f th e F e d e r a t io n C o n s t i t u t io n ? ' ’ ^ 1 H ”

«54 M “ ^ v e r PNye w “ , N . sr ‘ ° A r ‘ h U r A ‘ A " ‘ n g M a n a g e r , L a n c a s t e r , P a . , o r

S u b s c r ip t io n s a n d a d d r e s s c h a n g e s s h o u l d b e s e n t t o W . H W l s e l v p ™ , « ™ „

c a s t e r . P a . , o r B o x 18, C r b a n a , I l l i n o i s . E x e c u t iv e S e c r e t a r y , L a n -

N o claims w ill be allowed for copies o f Journals lost in the mails unless i ■ .

(60) days o f the date o f issue and no claims w ill be allowed for issues lost as a result o M n s n ffi .rec.eiVed witI’ in sixty of address. “ M issin g from files ” cannot be accepted as the re a s o n for L n o r in g a “ " ° " Ce ° f Change

Entered as second-class matter, M a y 7, 1934, at the pos, office at Lancaster, Pa., under the A c t o f M a rc h 3, 1879.

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D o r r c o D o i n g s i n 1 9 4 1

E x c e r p ts f r o m M r . D o r r ’s “ a n n u a l l e t t e r ” a d , p u b ­ l i s h e d i n f u l l i n W a t e r W o r k s & S e w e r a g e fo r J a n u a r y .

E v e n t s a r e th e g r e a t te a c h e r s . O n e S u n d a y m o r n in g in H a w a i i ' d id m o re to e d u c a te th e A m e r ic a n p e o p le t h a n a c r e s o f p a m p h le ts . I h a d h e a r d a g r e a t p u b lis h e r t w o n ig h t s b e fo re , t e l li n g o f th e w o e s a n d d is u n io n t h a t w a r w o u ld c a u s e . A n d n o w . . .

W e a r e a l l u n it e d n o w . I r e c a ll th e p r o p h e c y C la r e n c e S t r e i t o f “ U n io n N o w ” m a d e to m e th e n ig h t th e G e r m a n s w e n t in t o H o l l a n d : “ I e x p e c t to see th e A m e r ic a n p e o p le p a y h e a v i l y w i t h b lo o d a n d t r e a s u r e fo r t h e ir b lin d n e s s in r e f u s in g to see th e w o r l d as i t is .”

W e m u s t h o p e t h a t o u r jo b o f w i n n i n g th e w a r w i l l n o t p r e v e n t u s fr o m s e e k in g a t th e s a m e t im e a r e a s o n a b le s o lu t io n o r p a t t e r n o f lif e f o r th e w o r ld t h a t w i l l p o s tp o n e th e n e x t w a r in d e f in it e ly .

D e m o c r a c y h a s to j u s t i f y it s e lf in P e a c e as in W a r a n d th e f o r m e r m a y p r o v e m o r e d iffic u lt.

D e f e n s e f o r c e s a r e b e i n g p r o t e c t e d b y a d e g r e e o f s a n i t a t i o n u n t h o u g h t o f i n 1 9 1 7 - 1 8 . D o r r - e q u i p p e d s e w a g e p l a n t s a t c a m p s , a i r f i e l d s , b a s e s a n d o r d n a n c e p l a n t s a r e t r e a t i n g 87 m i l l i o n g a l l o n s a d a y , e q u i v a l e n t t o o v e r à m i l l i o n m e n .

T h i s i m p r o v e d m e t h o d o f s e w a g e t r e a t m e n t i s i d e a l f o r m i l i t a r y c a m p s a n d h a s m a d e r a p i d s t r i d e s — 9 8 c i v i l i a n a n d m i l i t a r y i n s t a l l a t i o n s t o d a t e , t h e l a r g e s t a t a n a r m y b a s e f o r 5 0 ,0 0 0 t r o o p s .

T h e C o n e y I s l a n d p l a n t i s b e i n g d o u b l e d t o 7 0 m i l l i o n g a l l o n s a d a y . A d d i t i o n a l c a p a c i t y i s p r o v i d e d b y D o r r c o M o n o r a k e s , 2 5 0 f t . l o n g , a n d o u r F l o c c u l a t o r s , D e t r i t o r s a n d b a r s c r e e n s .

M E C H A N I Z A T I O N & W A T E R S O F T E N I N G F O R K A N S A S C I T Y

P l a i n S e d i m e n t a t i o n t a n k s , b u i l t i n 1 9 2 6 , a r e b e i n g e q u i p p e d w i t h o u r f l o c c u l a t o r s a n d c l a r i f i e r s t o c l a r i f y a n d s o f t e n 1 0 0 - 1 5 0 m i l l i o n g a l l o n s p e r d a y .

O r d n a n c e a n d e x p l o s i v e p l a n t s h a v e b e e n i n s t a l l i n g o u r w a t e r p u r i f i c a t i o n e q u i p m e n t t h i s y e a r , i n c l u d i n g R a d f o r d O r d n a n c e , M i s s o u r i O r d n a n c e a n d t h e T . V . A . a m m o n i a p l a n t .

T o f r ie n d s a ll o v e r th e w o r l d I w o u ld s a y t h a t I fe e l th e s o l id a r it y a n d f r ie n d lin e s s w h ic h o u r o w n in t e r n a t io n a l o r g a n iz a t io n w a s a b le to a c h ie v e b e fo r e th e w a r m u s t b e t y p ic a l o f t h a t w h ic h m u s t p r e v a i l a f t e r th e w a r , in o r d e r to r e c o n c ile p o l it i c a l a n d s p ir it u a l g r o w t h w i t h t e c h n ic a l a d v a n c e m e n t a n d th u s to s a v e c iv iliz a t io n .

S A N I T A T I O N F O R D E F E N S E F O R C E S

B I O F I L T R A T I O N

M O R E S A N I T A T I O N F O R N E W Y O R K

I N D U S T R I A L W A T E R P U R I F I C A T I O N

T H E D O R R C O M P A N Y , I N C .

5 7 0 L e x i n g t o n A v e . , N e w Y o r k .

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f o r i n f o r m a t i o n a b o u t m e m b e r s h ip .

T h i s c h a r t i s a l s o t y p i c a l o f t h e v a l u a b l e i n f o r m a t i o n i n t h e A . W . W . A . ' s Manual of Water Quality and Treatment, a v a i l a b l e f r o m A . W . W . A . h e a d q u a r t e r s — P r i c e t o A . W . W . A . M e m b e r s , $ 2 .5 0 ; t o A . W . W . A . M e m b e r s w h o s e n d c a s h w i t h o r d e r ,

$ 2 .2 5 ; t o n o n - m e m b e r s , $ 3 .0 0 .

A M E R I C A N W A T E R W O R K S A S S O C I A T I O N

2 2 E a s t 4 0 t h S t . N e w Y o r k , N . Y .

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A L U M I N U M ,

T H E F U T U R E ,

A N D Y O U

• f - .

RIGHT NOW OUR FACTORIES h a v e o n l y o n e in t e r e s t : t o m a k e m o r e D e f e n s e A l u m i n u m t h a n t h e w o r l d h a s e v e r s e e n b e f o r e . E v e r y r e s o u r c e w e c a n . m u s t e r i s c o n c e n ­ t r a t e d o n t h a t j o b .

WHEN AMERICA HAS WON THROUGH t o m a k e t h e w o r l d s a f e f o r o u r c h i l d r e n t o l i v e i n . . . t h e s a y i n g is : W h a t a l o t o f a l u m i n u m i s g o i n g t o b e a v a i l a b l e f o r e v e r y b o d y .

THE REAL POINT TO PONDER i s h o w t o g e t s e t t o m a k e t h a t d e lu g e o f l i g h t m e t a l w o r k f o r y o u . I n t h e k i n d o f w o r l d w e ’r e g o i n g t o h a v e , s u r e a s f a t e , t h e m a n w h o f a i l s t o c a l l , now, o n e v e r y r e s o u r c e a t h i s c o m m a n d is g o i n g t o b e l e f t a t t h e p o s t .

WE’VE COINED A WORD:

IMAGINEERING. I t ’s t h e f i n e a r t o f d e c i d i n g w h e r e y o u g o f r o m h e r e . I t ’ s t h e a c t o f t h i n k i n g o u t w h a t y o u a r e g o i n g t o f a c e , a n d d o i n g s o m e t h i n g a b o u t i t n o w . I m a g i­

n a tio n p l u s en g in e e rin g i s a f o r m u l a f o r t h e f u t u r e y o u ’r e g o i n g t o h e a r m o r e a b o u t .

A MAN CAN b e p r o d u c i n g f o r D e f e n s e a t t o p s p e e d a n d b e i m a g i n e e r i n g a t o n e a n d t h e s a m e t i m e . I n f a c t , t h e m o r e h e i s d e v o t e d t o D e f e n s e n o w , t h e m o r e h e n e e d s im a g i n e e r i n g f o r THE DAY WHEN.

OBVIOUSLY, y o u c a n im a g i n e e r w i t h s t e e l, c o p p e r , g la s s , z i n c , p l a s t i c s , o r w h a t h a v e y o u . W e h o p e y o u w i l l , b e ­ c a u s e t h e w o r l d i s g o i n g t o n e e d b e t t e r u s e o f a l l m a t e r i a l s t h a n i t e v e r s a w b e f o r e .

THE CLOSER YOU GET TO FUNDAMENTALS t h e m o r e q u i c k l y y o u m u s t d e c i d e t h a t t h e g r e a t n e e d i s g o i n g t o b e f o r t h e v e r y t h i n g s A l c o a A l u m i n u m d o e s b e s t : L i g h t n e s s w i t h s t r e n g t h , r e s i s t a n c e t o c o r r o s i o n , r e f l e c t i v i t y , w o r k - a b i l t y a n d a l l t h e r e s t o f i t s p o w e r s a l l w r a p p e d u p i n a l o w - c o s t p a c k a g e f u l l o f u n l i m i t e d p o s s i b i l i t i e s f o r y o u , p e r s o n a l l y , i n y o u r b u s in e s s .

TWO HEADS ARE BETTER THAN ONE. A l r e a d y , m a n y a n i n d u s t r y , m a n y a c o m p a n y , h a s c a l l e d u s i n t o a n i m a g i ­ n e e r i n g s e s s io n . W e ’ v e s e e n t h i n g s p r o j e c t e d t h a t w i l l m a k e n e w s w h e n t h e c u r t a i n c a n b e l i f t e d . U s u a l l y w e ’v e b e e n a b l e t o h e l p w i t h s o m e i m a g i n e e r i n g o f o u r o w n .

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© A E R O - F I L T E R IS S M A L L E R ! F i l t e r b e d v o l u m e i s 1 / 7 t o 1 / 9 t h e s i z e o f c o n v e n ­ t i o n a l f i l t e r s . T h i s i s m a d e p o s s i b l e b e ­ c a u s e o f A e r o - F i l t e r ’ s e f f i c i e n t d i s t r i b u t i o n o f s e w a g e t o t h e f i l t e r b e d . I t a l s o h a s o t h e r l o w - c o s t a d v a n t a g e s ! ...

(2) N O C O S T L Y P U M P I N G f o r r e c i r c u l a ­ t i o n , n o r o v e r s i z e p r i m a r y s e t t l i n g t a n k s a r e r e q u i r e d w i t h A e r o - F i l t e r ’ s r a i n - l i k e d i s t r i b u t i o n . M a i n t e n a n c e a n d p o w e r c o s t s a r e l o w e r e d . L o w e r i n i t i a l p l a n t c o s t a l s o r e d u c e s f i x e d c h a r g e s . . . .

( D R E X S A N I T A T I O N E Q U I P M E N T a l s o i n ­ c l u d e s o t h e r v i t a l e q u i p m e n t f o r t h e A e r o - F i l t e r p l a n t . . . b a r s c r e e n s , t r i t u r a - t o r s , g r i t c o l l e c t o r s a n d w a s h e r s , c o n ­ v e y o r s , T o w - B r o s l u d g e c o l l e c t o r s , r a p i d a n d S l o - M i x e r s , e t c . G e t c o p i e s o f c a t a ­ l o g o n t h o s e i t e m s y o u f i n d i n t e r e s t i n g .

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A N D A E R O - F I L T E R S L U D G E c a n b e c o n ­ c e n t r a t e d i n t h e p r i m a r y t a n k , c o m b i n ­ i n g i t w i t h t h e p r i m a r y s l u d g e b e f o r e p u m p i n g t o t h e d i g e s t e r s . T h i s r e d u c e s t o a m i n i m u m t h e h e a t l o s s a n d t h e s u p e r n a t a n t s o l i d s d i s c h a r g e d u e t o s l u d g e p u m p i n g .

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s p e e d . A u t o m a t i c o r s e m i - a u t o m a t i c s k i m ­ m i n g e q u i p m e n t i s f u r n i s h e d w h e n r e q u i r e d . Y e a r s o f u n i n t e r r u p t e d s e r v i c e i n a g r e a t m a n y p l a n t s t h r o u g h o u t t h e c o u n t r y h a v e p r o v e d t h e h i g h e f f i c i e n c y , d u r a b i l i t y a n d l o w - c o s t m a i n t e n a n c e f e a t u r e s o f t h e s e u n i t s .

M a n y f e a t u r e s o f t h e L i n k - B e l t St r a i g h t l i n e C o l l e c t o r a r e p a t e n t e d .

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ference of the tank. Features are positive,

s l o w , u n i f o r m s p e e d , p o s i t i v e s l u d g e r e ­ m o v a l a n d e x c e l l e n t d i s t r i b u t i o n o f f l o w t h r o u g h o u t t h e t a n k . A u t o m a t i c s k i m m i n g i s f u r n i s h e d w h e n d e s i r e d .

S e n d f o r B o o k N o . S W J - 1 6 4 2 .

B I O - F I L T R A T I O N S y s t e m f o r T r e a t i n g S e w a g e B i o - F i l t r a t i o n S e w a g e

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T r e a t m e n t S y s t e m a n d St r a i g h t l i n e Ci r c u l i n e C o l l e c t o r s b r i n g s n e w a d v a n ­ t a g e s . T h e s y s t e m c o n s i s t s o f h i g h r a t e s h a l l o w f i l t e r b e d s a n d r e c i r c u l a t i o n o f t h e e f f l u e n t f r o m t h e f i l t e r b e d s t o t h e p r i m a r y t a n k s . F e a t u r e s a r e g r e a t f l e x i b i l i t y , h i g h

r a t e o f B . O . D . l o a d i n g a n d t h e a b i l i t y o f s u c h a p l a n t t o h a n d l e s t r o n g d o m e s t i c a n d i n d u s t r i a l s e w a g e i n s i n g l e - s t a g e o r t w o - s t a g e t r e a t m e n t , a s r e q u i r e d . M a n y i n s t a l l a ­ t i o n s o f t h i s t y p e a r e n o w i n o p e r a t i o n a n d u n d e r c o n s t r u c t i o n .

S e n d f o r F o l d e r N o . S W J - 1 8 8 1 .

S t r a i g h t l i n e B a r S c r e e n s L i n k - B e l t St r a i g h t l i n e M e c h a n i c a l l y - C l e a n e d B a r S c r e e n s h a v e s p a c e d p a r a l l e l b a r s o n w h i c h t h e l a r g e r f l o a t i n g s o l i d s i n i n c o m i n g s e w a g e c o l l e c t , a n d a m e c h a n i c a l l y o p e r a t e d r a k e f o r r e m o v a l o f t h e a c c u m u l a t ­ i n g s o l i d s , t h u s a s s u r i n g a n e v e n f l o w o f s e w a g e t h r o u g h t h e c h a n n e l . T h e m a c h i n e m a y b e s e t v e r t i c a l l y o r i n c l i n e d , a n d u s e d i n s m a l l o r l a r g e p l a n t s .

S e n d f o r F o l d e r N o . S W J - 1 5 8 7 .

T R I T O R S c r e e n s T h e L i n k - B e l t T r i t o r S c r e e n i s a c o m b i n a ­ t i o n o f s c r e e n a n d g r i t c h a m b e r . I t i s e s p e ­ c i a l l y d e s i g n e d f o r m e d i u m a n d s m a l l s i z e p l a n t s . I t s m a i n e l e m e n t s a r e a h o p p e r , a b a r s c r e e n , a n d a b u c k e t e l e v a t o r f o r r e m o v i n g g r i t f r o m h o p p e r , t h e b u c k e t s b e i n g p e r f o r a t e d f o r d r a i n a g e . O n r e t u r n r u n , r a k e t e e t h o n b u c k e t s c l e a n t h e s c r e e n . A n a d j u s t a b l e w e i r r e g u l a t e s v e l o c i t y o f f l o w t h r o u g h h o p p e r .

S e n d f o r F o l d e r N o . S W J - 1 5 8 7 .

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T h e L i n k - B e l t I n d u s t r i a l W a s t e S c r e e n i s a n e f f i c i e n t a n d e c o n o m i c a l u n i t f o r t h e r e m o v a l o f o b j e c t i o n a b l e s u s p e n d e d s o l i d s f r o m in d u s t r i a d w a s t e b e f o r e t h e w a t e r i s d i s c h a r g e d i n t o s e w e r s o r s t r e a m s . T h e s c r e e n i n g s c o m e o f f t h e m a c h i n e w i t h a

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m i n i m u m o f m o i s t u r e . U n i t s a r e a v a i l a b l e i n s e v e r a l s i z e s a n d w i t h c o a r s e o r f i n e s c r e e n m e d i u m . W a s t e s f r o m c a n n e r i e s , t e x t i l e m i l l s , s t e e l m i l l s , e t c . , a r e h a n d l e d s u c c e s s f u l l y b y t h e s e s c r e e n s .

S e n d f o r F o l d e r N o . S W J - 1 8 7 7 .

S T R A I G H T L I N E G r i t C o l l e c t o r s a n d W a s h e r s T h e L i n k - B e l t St r a i g h t l i n e G r i t C o l l e c t o r

a n d W a s h e r e f f e c t i v e l y c o l l e c t s , w a s h e s a n d r e m o v e s s e t t l e d g r i t a n d s e p a r a t e s i t f r o m p u t r e s c i b l e o r g a n i c m a t t e r . T h i s u n i t c o n ­ s i s t s o f a s c r a p e r t y p e c o l l e c t o r w i t h p i t c h e d f l i g h t s w h i c h t u r n s t h e m a t e r i a l o v e r a n d

o v e r a n d d i s c h a r g e s i t i n t o a w a s h i n g a n d d e w a t e r i n g s c r e w a t t h e i n f l u e n t e n d o f t h e t a n k , f r o m w h i c h i t i s c a r r i e d u p a n i n c l i n e t o a p o i n t o f d i s c h a r g e .

S e n d f o r F o l d e r N o . S W J - 1 9 4 2 .

L I N K - B E L T W A T E R a n d S E W A G E T R E A T M E N T P L A N T E Q U I P M E N T I N C L U D E S : S T R A I G H T L I N E M ix e r s fo r F lo c c u la t io n T a n k s ; S T R A I G H T L I N E S c u m B re a k e rs f o r D ig e s t io n T a n k s ; E le v a t e d D iffu s e rs ; T r a v e lin g W a te r - I n t a k e Screen s; R o t o - L o u v r e D r y e r s f o r s lu d g e a n d o th e r w e t m a te ria ls ; P . I . V . G e a r V a r ia b le S p ee d D r iv e fo r P u m p s ; C o a l a n d A s h e s H a n d lin g M a c h in e r y ; C a r S p o tte rs a n d H a u la g e Sy stem s; S h o v e ls -C ra n e s -D ra g lin e s — C r a w le r , T r a c t o r a n d T r u c k M o u n t e d ; a n d a c o m p le te lin e o f e le v a tin g , c o n v e y in g a n d p o w e r t r a n s m it tin g e q u ip m e n t. C a ta lo g s s e n t o n req uest.

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p u m p d is c h a r g e ch eck s, s l u d g e c h a m b e r l i q u i d le v e l c o n tro l, q u ic k o p e r a t in g v a lv e s f o r g r i t c h a m b e r s , a i r b l o w e r ch e c k s o n a c t i v a t e d s l u d g e , a n d s i m i l a r a p p l i c a t i o n s i n s e w a g e w o r k . T h e v a l v e i s p l u g - t y p e w i t h c o n t i n u o u s p i p e - l i n e

w a t e r w a y , s e a t s f u l l y p r o t e c t e d i n b o t h o p e n a n d c l o s e d p o s i t i o n , a n d h a s s e l f ­

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t i o n s i n s u s p e n d e d a n d d i s s o l v e d o r g a n i c m a t t e r r e s u l t f r o m e f f e c t i v e c o a g u l a t i o n a n d s e t t l i n g o f t h e c o a g u l a t e d m a t e r i a l . P a t c h e s o f c r y s t a l c l e a r w a t e r a r e s e e n i n t h e f l o c c u l a t o r s a n d a c l e a r , c o l o r l e s s e f f l u ­ e n t f l o w s f r o m t h e s e t t l i n g b a s i n s t o t h e r i v e r .

S e w a g e p l a n t o p e r a t o r s a n d c o n s u l t i n g e n g i n e e r s h a v i n g s i m i l a r p r o b l e m s a r e o f f e r e d , w i t h o u t o b l i g a t i o n , t h e c o o p e r a ­ t i o n o f G e n e r a l C h e m i c a l T e c h n i c a l S e r v ­ i c e t o w a r d t h e s o l u t i o n o f t h e i r p r o b l e m s .

G E N E R A L C H E M I C A L C O M P A N Y

40 R E C T O R S T R E E T , N E W Y O R K , N . Y .

Sales Offices: Atlanta • Baltimore • Boston • Bridgeport (Conn.) Charlotte (N. C.) • Chioago • Cleveland • Denver • Detroit Kansas City • Milwaukee • Minneapolis • New York • Philadelphia

Providence (R . I.) • St. Louis ^ • Utica (N .Y .) Pacific Coast Sales Offices: San Francisco • Los Angeles Pacific Northwest Sales Offices: Wenatchee (Wash.) • Yakima (Wash.) In Canada: The Nichols Chemical Company, Limited • Montreal • Toronto • Vancouver

* Buffalo ' Houston Pittsburgh

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m a t e r i a l p r o v i d e s i m p o r t a n t s a v i n g s o n a l l t h e a b o v e p o i n t s .

I n m u n i c i p a l s e w e r s y s t e m s , T r a n s - i t e ’ s h i g h f l o w c o e f f i c i e n t , t i g h t j o i n t s , c o r r o s i o n r e s i s t a n c e a n d u n i f o r m s t r e n g t h a r e e s t a b l i s h i n g a n e w s t a n d ­ a r d f o r e f f i c i e n t , e c o n o m i c a l s e r v i c e .

T h e f a c t s a b o u t J - M T r a n s i t e P i p e a r e i n t e r e s t i n g a n d c o n v i n c i n g . Y o u

s h o u l d h a v e f u l l d e t a i l s b e f o r e p l a n ­

n i n g n e w s e w e r l i n e s o r m o d e r n i z i n g o l d o n e s . W r i t e f o r t h e T r a n s i t e S e w e r P i p e B r o c h u r e , T R - 2 1 A , t o J o h n s -

M a n v i l l e , 2 2 E . 4 0 t h S t . , N . Y . , N . Y .

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t o M e e t t h e N e e d o f E v e r y A c t i v a t e d S l u d g e P l a n t

E

F F I C I E N C Y o f d i f f u s e r o p e r a t i o n — l o n g l i f e w i t h l o w e s t p r e s s u r e l o s s — i n v o l v e s a k n o w l e d g e o f a p p l i c a t i o n a n d m a n u f a c t u r e t h a t o n l y e x p e r i e n c e c a n s u p p l y . P l a t e s o f w i d e l y v a r y i n g c h a r a c t e r i s t i c s c a n b e s u p p l i e d t o t h e s a m e p e r m e a ­ b i l i t y r a t i n g .

N o r t o n e x p e r i e n c e i s f o u n d e d o n f o u r t e e n y e a r s o f m a n u f a c ­ t u r e o f d i f f u s e r m e d i u m s f o r s e w a g e p l a n t s b a c k e d b y o v e r f i f t y y e a r s ’ e x p e r i e n c e i n t h e m a n u f a c t u r e o f c e r a m i c p r o d u c t s . N o r t o n P o r o u s P l a t e s a n d T u b e s “ f i t ” t h e j o b a n d g i v e t h e b e s t “ a l l a r o u n d ” r e s u l t s .

T h e s e p o r o u s m e d i u m s a r e m a d e i n N o r t o n p l a n t s i n C a n a d a a n d E n g l a n d a s w e l l a s t h e U n i t e d S t a t e s .

N O R T O N C O M P A N Y , W O R C E S T E R , M A S S .

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A g o o d m e a s u r e o f W i s c o n s i n ’ s s u c c e s s a s a n a g r i c u l t u r a l s t a t e c a n b e c r e d i t e d t o i t s c r u s a d e a g a i n s t s o i l d e p l e t i o n .

F a r m e r s , t r u c k g a r d e n e r s , p a r k , c e m e t e r y a n d g o l f c o u r s e c a r e t a k e r s o f t h e B a d g e r S t a t e a l l k n o w t h e v a l u e o f p r o p e r l y p r e p a r e d d r i e d s e w a g e s l u d g e a s a s o i l b u i l d e r . T h e f i n e w o r k o f t h e M i l w a u k e e , W i s e . , S e w e r a g e C o m ­ m i s s i o n i n m a k i n g a v a i l a b l e t o t h e n a t i o n M i l o r g a n i t e , a s e w a g e s l u d g e f e r ­ t i l i z e r , i s w e l l k n o w n .

T e n o t h e r W i s c o n s i n c i t i e s h a v e j o i n e d t h i s w a r o n w a s t e o f s e w a g e s l u d g e

A p p l e t o n , D e P e r e , G r e e n B a y , K e n o s h a , L a C r o s s e , R h i n e l a n d e r , S h a w a n o , S h e b o y g a n , S h e b o y g a n F a l l s a n d W a u s a u . T h e y a e r a t e , f u r t h e r d r y a n d s h r e d s l u d g e c a k e , i n s o m e c a s e s m i x i n g i n e n r i c h e n i n g m a t e r i a l s w i t h R o y e r S l u d g e D i s i n t e g r a t o r s . I n c i n e r a t i o n a n d

b u r i a l c o s t s a r e e l i m i n a t e d a n d a p r o f i t r e a l i z e d . L a w n d r e s s i n g a n d f e r t i l i z e r i s m a d e a v a i l a b l e t o c i t y p a r k s a n d g o l f c o u r s e s .

T h e s e t i m e s c a l l f o r c o n s e r v a t i o n o f o u r r e s o u r c e s — j o i n t h e W a r o n W a s t e s t a r t ­ i n g a t y o u r s e w a g e p l a n t ! S e n d f o r t h e f a c t s o n t h e 1 2 m o d e l s o f R o y e r S l u d g e D i s i n t e g r a t o r s a n d w h a t t h e y a r e d o i n g i n e v e r y S t a t e .

M o d e l “ S .H ” — o n e o f 12 p o r t a ­ b le a n d s t a t i o n ­ a r y g a s o l i n e e n g in e , e le c t r ic a n d b e l t - t o - t r a c t o r d r i v e n m o d e ls .

RO YER FOUNDRY & M ACHINE CO .

1 7 6 P R I N G L E S T . , K I N G S T O N , P A .

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a g e D i s p o s a l P l a n t , a m o d e l o f i t s k i n d , i s o n e o f t h e f i n e s t i n t h e S o u t h e a s t e r n U n i t e d S t a t e s . D e s i g n e d t o f u n c t i o n w i t h t h e g r e a t e s t e f f i c i e n c y a n d u t m o s t d e ­ p e n d a b i l i t y , t h e e q u i p m e n t s p e c i f i e d w a s c h o s e n f o r i t s a b i l i t y t o m a i n t a i n t h e h i g h s t a n d a r d s t h a t t h e d e s i g n e r s s o c a r e f u l l y w r o t e i n t o t h e p l a n s .

I t i s n o t e w o r t h y t h a t N o r d s t r o m V a l v e s a n d E M C O M e t e r s w e r e s e l e c t e d b y t h e e n g i n e e r s , J. E . S i r r i n e & C o m p a n y .

A c c u r a t e m e a s u r e m e n t o f a l l g a s g e n e r a t e d i s a s s u r e d t h r o u g h t h e u s e o f E M C O P r e s s e d S t e e l M e t e r s w h i c h o p e r -

m e n t m e t h o d . D u e t o t h e i r c o m p a c t d e s i g n , t h e y r e q u i r e l e s s f l o o r s p a c e t h a n a n y o t h e r m e t e r o f t h e s a m e r a t e d c a p a c i t y . T h e i r s t u r d y c o n s t r u c t i o n i s a s a f e t y f a c t o r i m p o r t a n t i n a p l a n t o f t h i s c h a r a c t e r .

N o r d s t r o m L u b r i c a t e d P l u g V a l v e s w e r e s p e c i f i e d d u e t o t h e i r r e s i s t a n c e t o l e a k a g e a n d t h e f a c t t h a t t h e y a l w a y s o p e n o r c l o s e e a s i l y . T h e i r b a s i c c o n ­ s t r u c t i o n m a k e s t h e m i n h e r e n t l y r e s i s t ­ a n t t o c o r r o s i o n a n d e r o s i o n . I n s e w a g e d i s p o s a l p l a n t s e v e r y w h e r e N o r d s t r o m s h a v e p r o v e n t h a t t h e y w i l l o u t l i v e t h e a v e r a g e v a l v e s e v e r a l t i m e s o v e r .

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W rite, A sking for B ulletins 1031 and 1042.

P I T T S B U R G H E Q U I T A B L E M E T E R C O M P A N Y MERCO NORDSTROM VALVE COMPANY

Main Offices, Pittsburgh, Pa.

NATIONAL METER DIVISION, Brooklyn, N. Y

KANSAS CITY SEATTLE PHILADELPHIA HOUSTON SAN FRANCISCO COLUMBIA LOS ANGELES BUFFALO

sewage gas on Nordstrom Valve controlled

i:—. DI,„l d

Battery ot Nordstrom vaives in pit at Greater Greenville

Sewage Disposal Plant

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W h e t h e r y o u a r e p l a n n i n g

n e w s e w a g e c o n s t r u c t i o n , r e p l a c e m e n t o r r e p a i r w o r k ,

D r e s s e r s o f f e r y o u a f a s t , s i m p l e , e c o n o m i c a l m e t h o d o f

j o i n i n g s t e e l , c a s t - i r o n o r c o n c r e t e p i p e . I n v e s t i g a t e D r e s s e r

C o u p l i n g s f o r a n y o f t h e s e 1 0 a p p l i c a t i o n s : 1 . O U T F A L L S E W E R S

2 . I N T E R C E P T I N G S E W E R S

3 . P R E S S U R E S E W E R S 4 . S E W E R M A I N S 5 . S E W E R C R O S S I N G S

6 . I N V E R T E D S I P H O N S 7 . D R A I N A G E L I N E S 8 . S L U D G E L I N E S 9 . S E W A G E P L A N T

P I P I N G 1 0 . A I R L I N E S

W rite fo r Catalog

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D R E S S E R M A N U F A C T U R I N G C O M P A N Y • B R A D F O R D , P A .

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Loading salvaged 48-inch cast iron pipe onto trucks at Columbus, Ohio. After 37 years’ service without any mainte­

nance cost, this pipe was taken up and sold by the city for a substantial price per ton, over and above all removal expense.

S A L V A G E D . . . fo r an e x tra dividend

• T h ir t y - s e v e n y e a r s ag o t h e c it y o ffic ia ls o f C o lu m b u s , O h io , a u t h o r iz e d t h e c o n ­ s t r u c t i o n o f a c a s t ir o n se w e r fo r c e m a in m o r e t h a n a m i l e lo n g a n d 4 fe e t i n d ia m ­ e t e r . S in c e t h a t t im e , 160 b il l io n g a l­

lo n s h a d b e e n p u m p e d t h r o u g h t h i s c a s t ir o n lin e w i t h o u t o n e c e n t o f m a i n t e ­ n a n c e c o s t o n t h e p ip e .

R e c e n t l y t h e c i t y c o m p le te d a n e w se w a g e t r e a t m e n t p l a n t a n d la r g e i n t e r ­ c e p t in g s e w e r, m a k in g t h e o ld [m a in u n n e c e s s a r y f o r f u r t h e r d u t y . S in c e

Pipe bearing this mark is cast iron pipe. &

i t w a s c a s t ir o n p ip e , i t w a s p o s s ib le to s a lv a g e 1150 t o n s o f m a t e r i a l f o r e i t h e r re - u se o r re - s a le . T h e p ip e w a s s o ld a t a s u b s t a n t ia l p r ic e p e r t o n , r e p r e s e n t in g a n e x t r a - d i v i d e n d t o t h e ta x p a y e r s o f C o lu m b u s .

I t is im p o s s ib le t o f o r e t e ll f u t u r e re- q u ir e m e n t s o r p o p u la t io n s h if t s i n m e t r o ­ p o lit a n c it ie s b u t a n y p u b l ic o f f ic ia l c a n b e s u re t h a t , w h e n w a t e r o r s e w e r m a i n s m u s t b e a b a n d o n e d o r r e r o u t e d , t h e p ip e c a n b e s a lv a g e d o r re - u s e d , i f i t is c a s t i r o n p i p e.

Available in diameters from to 84 inches.

TRADE MARK REG.

CAST IRON PIPE RESEARCH ASSOCIATION. THOMAS F. WOLFE. RESEARCH ENGINEER 1015 PEOPLES GAS BUILDING. CHICAGO. ILLINOIS

C A S T I R O N P I P E

T I I E M O D E R N M A T E R I A L F O R S E W E R A G E S Y S T E M S

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