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《Environmental Science》 1993-01
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Application of Immobilized Cells in Wastewater Treatment.

Huang Xia, Yu Yuxin, Wang Lei (Dept. of Environmental Eng., Tsinghua University, Beijing 100084)  
Wastewater treatment with immobilized cells is a newly developed technique of biological treatment. It offers the potential of improving wastewater treatment with following advantages: (1) it is possible to maintain a high concentration of hiomass in the bioreactor resulting in an increased loading rate and decreased bioreactor volume; (2) much less amount of sludge is produced, the excess sludge in the immobilized activated sludge is estimated to be 1/4-1/5 of that in the conventional activated sludge; (3) it is possible to selectively immobilize superior microorganism capable of degrading hardly-decomposable organic compounds so as to enhance their degradation rate: and (4) toxic compounds with higher concentration can also be treated. The present paper review, rhe recent investigations on the application of the immobilized tells in wastewater treatment. Finally, the perspective of the technique was forecasted.
【Fund】: 国家自然科学基金
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