Application and advantages of novel clay ceramic particles (CCPs) in an up-flow anaerobic bio-filter (UAF) for wastewater treatment

被引：22

作者：

Han, Wei ^{[1
]}

Yue, Qinyan ^{[1
]}

Wu, Suqing ^{[1
]}

Zhao, Yaqin ^{[1
]}

Gao, Baoyu ^{[1
]}

Li, Qian ^{[1
]}

Wang, Yan ^{[1
]}

机构：

[1] Shandong Univ, Sch Environm Sci & Engn, Shandong Key Lab Water Pollut Control & Resource, Jinan 250100, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2013年 / 137卷

关键词：

Anaerobic filter; Clay ceramic particles (CCPs); Start-up; Low temperature; FIXED-FILM REACTORS; SEWAGE-SLUDGE; TEMPERATURE; PRETREATMENT; PERFORMANCE; BIOREACTOR; ATTACHMENT; STRENGTH; GROWTH; MEDIA;

D O I：

10.1016/j.biortech.2013.03.124

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Utilization of clay ceramic particles (CCPs) as the novel filter media employed in an up-flow anaerobic bio-filter (UAF) was investigated. After a series of tests and operations, CCPs have presented higher total porosity and roughness, meanwhile lower bulk and grain density. When CCPs were utilized as fillers, the reactor had a shorter start up period of 45 days comparing with conventional reactors, and removal rate of chemical oxygen demand (COD) still reached about 76% at a relatively lower temperature during the stable state. In addition, degradation of COD and ammonia nitrogen (NH4-N) at different media height along the reactor was evaluated, and the dates showed that the main reduction process happened within the first 30 cm media height from the bottom flange. Five phases were observed according to different organic loadings during the experiment period, and the results indicated that COD removal increased linearly when the organic loading was increased. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：171 / 178

页数：8

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