This paper made a study of the variety regulation of pathogens in the activated sludge through biological fermentation using Aspergillus niger as zymophyte.
Two technologies of sintering municipal sewage sludge for manufacturing haydite ("wet process granulation-sintering" and "anhydration-sintering") were studied.
The operation of the slurry pumps for transferr in g sludge in the dilute phosphoric acid defecator in the phosphoric acid producti on is mostly not satisfactory.
The respirometric activities of sludge before and after tame have been determined by the BOD Track, and the activity could be expressed by first slope of respirometric curve.
The paper introduces their salt-tolerance mech anism and research progress regarding conventional anaerobic or aerobic sludge, halophile and salt-tolerant yeast.
The state point analysis can be used in the design and operation analysis of the activated sludge system as the RAS ratio, overflow rate and settling characteristics of flocci are varying.
Covering a radioactive sludge pond... I'm not filled with an overwhelming sense of confidence in that idea, but the state of California seems to be satisfied.
测定活性污
微生物的活性。
（汇总） 
"
鞍型"变化。
员和士兵继续在淤泥和废
掘。
水箱里的数吨污泥，并重新铺设
展，他们只是随意拿起手边的工具清理。
