应用螺蛳进行污泥减量处理

doi:10.3969/j.issn.1007-2861.2013.05.011

上海大学学报(自然科学版) ›› 2013, Vol. 13 ›› Issue (5): 497-500.doi: 10.3969/j.issn.1007-2861.2013.05.011

应用螺蛳进行污泥减量处理

陆永生, 吴祖龙, 陆琼蔚

上海大学环境与化学工程学院, 上海 200444

收稿日期:2013-04-12 出版日期:2013-10-28 发布日期:2013-10-28
通讯作者: 陆永生(1971—), 男, 博士, 研究方向为水污染控制及资源化利用. E-mail: luys7174@shu.edu.cn E-mail:luys7174@shu.edu.cn
作者简介:陆永生(1971—), 男, 博士, 研究方向为水污染控制及资源化利用. E-mail: luys7174@shu.edu.cn

Sludge Reduction Using Bellamya Quadrata

LU Yong-sheng, WU Zu-long, LU Qiong-wei

School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China

Received:2013-04-12 Online:2013-10-28 Published:2013-10-28

摘要/Abstract

摘要： 选用螺蛳为模拟实验生物, 利用其摄食污泥的特性, 考察了不同环境条件下的摄食率及污泥减量效果, 从而实现污泥减量化的目的. 结果表明, 螺蛳的污泥减量速率随投放量和初始混合液悬浮固体浓度(mixed liquid suspended solids, MLSS)的升高而呈上升趋势. 通过模拟不同生存环境(高氧、低氧)的实验对比表明, 在溶解氧(dissolved oxygen, DO)充足的条件下螺蛳具有良好的污泥减量效果. 螺蛳对MLSS、混合液挥发性悬浮固体浓度(mixed liquor volatile suspended solids, MLVSS)的去除率可分别达到40.01%, 47.54%, 符合污泥稳定化的要求.

关键词: 摄食率, 污泥减量, 螺蛳

Abstract: Bellamya Quadrata was selected as the experimental organism during the sludge reduction process. Its predation ability of sludge was used to reduce sludge. Various reaction factors were investigated, including the amounts of Bellamya Quadrata, feeding rate, feeding time and the initial MLSS (mixed liquid suspended solids). The results indicate that the sludge reduction rate increases with the increase of MLSS and addition of Bellamya Quadrata. Different survival environments contrast experiments indicate that, with enough DO (dissolved oxygen), the result of sludge reduction is satisfactory. Reduction rates of MLSS and MLVSS (mixed liquor volatile suspended solids) are 40.01% and 47.54% respectively, meeting the requirements of sludge stabilization.

Key words: feeding rate, sludge reduction, Bellamya Quadrata

中图分类号:

X 506

陆永生, 吴祖龙, 陆琼蔚. 应用螺蛳进行污泥减量处理[J]. 上海大学学报(自然科学版), 2013, 13(5): 497-500.

LU Yong-sheng, WU Zu-long, LU Qiong-wei. Sludge Reduction Using Bellamya Quadrata[J]. Journal of Shanghai University（Natural Science Edition）, 2013, 13(5): 497-500.

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应用螺蛳进行污泥减量处理

Sludge Reduction Using Bellamya Quadrata

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