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Annual Conference at Douglas Isle of
Thirtyseventh Annual Corporate Meeting
Papers Presented at Branch Meetings
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activated sludge aeration aluminium chlorohydrate average bathing beds bonus Branch cake cent charge chemical chlorine chloroform cost detergents dewatering digested sludge discharge discussion dose drop-off drum dry solids East Midlands effect elutriation Engineers Equation experiments factors feed filtration flocculant flow full-scale head loss increase industrial Johannesburg kg/m2 h laboratory ment method mg/l mil gal/d Minworth mixing nitrification obtained operation organic Ouse outfall oxidation oxygen paper polyelectrolytes present problems production pump raw sludge reduced removal reply reservoir respirometer river authorities samples sand filters scheme sedimentation tank settled sewage sewage effluent sewage sludges sewage treatment sewer sewerage sludge digestion sludge loading rate solids content specific resistance standard storage subroutine suspended solids Table temperature tests tion toxic trade effluent treatment plant unit vacuum filter volume waste Water Pollution Water Pollution Control Water Resources water supply yield