A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Independent Physical-Chemical Treatment of Raw Sewage
A 3.17 l/sec (50 gpm) pilot plant evaluation of the independent physical-chemical treatment (IPC) process was conducted for 27-months at Pomona, California. The pilot plant consisted of chemical clarification w/alum at 25 mg/l as Al and an anionic polymer at 0.3 mg/l followed by a single-stage, pressurized downflow carbon column operated at a hydraulic loading of 2.71 l/sec/sq m (4 gpm/sq ft) and an empty-bed contact time of 30 min. Performance data obtained have demonstrated the stability of the IPC system in producing effluent of excellent overall quality. The suspended solids, total COD and total phosphate removals in the IPC system were 96.6%, 94%, and 92%, respectively. In the course of the study, several methods of controlling sulfide generation in the carbon column were evaluated. Continuous sodium nitrate addition to the carbon column at an average dosage of 5.4 mg/l N was found most effective in preventing sulfide generation.
Independent Physical-Chemical Treatment of Raw Sewage
A 3.17 l/sec (50 gpm) pilot plant evaluation of the independent physical-chemical treatment (IPC) process was conducted for 27-months at Pomona, California. The pilot plant consisted of chemical clarification w/alum at 25 mg/l as Al and an anionic polymer at 0.3 mg/l followed by a single-stage, pressurized downflow carbon column operated at a hydraulic loading of 2.71 l/sec/sq m (4 gpm/sq ft) and an empty-bed contact time of 30 min. Performance data obtained have demonstrated the stability of the IPC system in producing effluent of excellent overall quality. The suspended solids, total COD and total phosphate removals in the IPC system were 96.6%, 94%, and 92%, respectively. In the course of the study, several methods of controlling sulfide generation in the carbon column were evaluated. Continuous sodium nitrate addition to the carbon column at an average dosage of 5.4 mg/l N was found most effective in preventing sulfide generation.
Independent Physical-Chemical Treatment of Raw Sewage
L. S. Directo (author) / C. L. Chen (author) / R. P. Miele (author)
1977
119 pages
Report
No indication
English
Water Pollution & Control , Sewage treatment , Chemical removal(Sewage treatment) , Activated carbon , Coagulation , Pilot plants , Sediments , Biochemical oxygen demand , Organic phosphates , Performance evaluation , Nitrates , Regeneration , Economic analysis , Hydrogen sulfides , Pomona(California)
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| Engineering Index Backfile | 1936
Mechanised chemical treatment of sewage
| Engineering Index Backfile | 1937
Sewage treatment by modern chemical methods
Engineering Index Backfile | 1935
Performance of Dearborn's chemical sewage treatment plant
| Engineering Index Backfile | 1934