| 摘要 |
1,214,701. Treating sewage. CITY OF KIRYU. 9 April, 1968 [9 Feb., 1968], No. 17106/68. Heading CIC. [Also in Division C6] Sewage is aerated to form low molecular weight substances, transferred to anaerobic conditions where innoculated photosynthesis bacteria are cultivated and after separation of the bacteria the liquid is innoculated with chlorophyceae which are cultivated under aerobic conditions to give a clarified effluent and a culture which is separated. Foaming is prevented by air jets and odours by circulation of gases. Specific bacteria are exemplified. |
