act構造設計質
The difficulty of indoor experiments when activated sludge method regardless of batch or continuous is operated indoors with activated sludge of public sewer terminal treatment plant or wastewater treatment facility of business establishment as seed sludge the sludge swelling due to various causes after several cycles of srt occurs sv increases and settling separation becomes difficult. 433 8112 浜松市北区初生町1305 tel 053 436 1106 fax 053 436 1196 email hokusei j city hamamatsu szo ed jp.