期刊
WATER RESEARCH
卷 36, 期 7, 页码 1653-1665出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0043-1354(01)00379-7
关键词
biofilms; aerobic granules; anaerobic granules; hydrodynamic shear force; structure; metabolism; exopolysaccharides; flow pattern
Biofilm and granular sludge processes are promising biotechnology for wastewater treatment. The formation, structure and metabolism of immobilized microbial community are associated very closely with hydrodynamic shear force in reactors. Therefore, this paper attempts to review the essential role of shear force in the formation and performance of biofilm and granular sludge. More compact, stable and denser biofilms, aerobic and anaerobic granules form at relatively higher hydrodynamic shear force. It is clearly shown that shear force has significant influences on the structure, mass transfer, production of exopolysaccharides, metabolic/genetic behaviours of biofilms, aerobic and anaerobic granules. In an engineering sense, hydrodynamic shear force can be manipulated, as a control parameter, to enhance microbial granulation process. It can be concluded that the knowledge regarding the effects of hydrodynamic slear force on biofilms and granules is far from complete and much research is still needed to fully understand the relevant mechanisms. Some of these future research niches are therefore outlined. (C) 2002 Elsevier Science Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据