CONTENTS
A. NAPIÓRKOWSKA, M. LASKA, A. ISAŃSKA-ĆWIEK, The influence of building regulations on the
efficiency and pollution level of the heating system ... 5 W. ŻUKOWSKI, J. BARON, B. KOWARSKA, J. ZABAGŁO, N2O conversion in active and chemically
inert fluidized bed ... 15 I. KOWALSKA, Separation of anionic surface-active agents in an integrated ion
exchange–sedimenta-tion–ultrafiltration purification system ... 33 T. SUPONIK, Adsorption and biodegradation in PRB technology ... 43
I. PŁONKA, K. BARBUSIŃSKI, Preliminary research into the digestion of post-coagulation sludge ... 59
Y. CAO, A. PAWŁOWSKI, J.ZHANG, Preparation of activated carbons with enhanced adsorption of
cationic and anionic dyes from Chinese Hickory husk using the Taguchi method ... 69 M. HAWROT-PAW, A. KAMIENIECKA, B. SMOLIK, Biological activity of soil contaminated by
biodiesel ... 87 G. NAŁĘCZ-JAWECKI, S. BARAN, J. MANKIEWICZ-BOCZEK, E. NIEMIRYCZ, L. WOLSKA, J. KNAPIK,
K. PIEKARSKA, M. BARTOSIEWICZ, G. PIĘTOWSKI, The first Polish interlaboratory comparison
of the luminescent bacteria bioassay with three standard toxicants ... 95 H. HOTLOŚ, Quantitative assessment of the influence of water pressure on the reliability of
water-pipe networks in service ... 103 D. SŁYŚ, Application of numerical simulation in design of innovative Kalipso-type sewage tank ... 113
