Aerobic sludge granulation at high temperatures for domestic wastewater treatment

被引：27
作者：
Ab Halim, Mohd Hakim [1 ,2 ]
Anuar, Aznah Nor [2 ,3 ]
Azmi, Siti Izaidah [1 ]
Jamal, Nur Syahida Abdul [1 ]
Wahab, Norhaliza Abdul [4 ]
Ujang, Zaini [2 ]
Shraim, Amjad [5 ]
Bob, Mustafa M. [5 ]
机构：
[1] Univ Teknol Malaysia, Fac Civil Engn, Dept Environm Engn, Johor Baharu 81310, Johor, Malaysia
[2] Univ Teknol Malaysia, Inst Environm & Water Resource Management, WATER Res Alliance, Johor Baharu 81310, Johor, Malaysia
[3] Univ Teknol Malaysia, Ctr Engn Educ, Johor Baharu 81310, Johor, Malaysia
[4] Univ Teknol Malaysia, Fac Elect Engn, Dept Control & Mechatron Engn, Johor Baharu 81310, Johor, Malaysia
[5] Univ Taibah, Coll Engn, Dept Civil Engn, Al Madinah Al Monawarah, Saudi Arabia
来源：
BIORESOURCE TECHNOLOGY | 2015年 / 185卷
关键词：
Aerobic granules; SBR; High temperature; Start-up; Wastewater treatment; EXTRACELLULAR POLYMERIC SUBSTANCES; REMOVAL; ORGANISMS;
D O I：
10.1016/j.biortech.2015.03.024
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
With inoculum sludge from a conventional activated sludge wastewater treatment plant, three sequencing batch reactors (SBRs) fed with synthetic wastewater were operated at different high temperatures (30, 40 and 50 +/- 1 degrees C) to study the formation of aerobic granular sludge (AGS) for simultaneous organics and nutrients removal with a complete cycle time of 3 h. The AGS were successfully cultivated with influent loading rate of 1.6 COD g (L d)(-1). The COD/N ratio of the influent wastewater was 8. The results revealed that granules developed at 50 degrees C have the highest average diameter, (3.36 mm) with 98.17%, 94.45% and 72.46% removal efficiency observed in the system for COD, ammonia and phosphate, respectively. This study also demonstrated the capabilities of AGS formation at high temperatures which is suitable to be applied for hot climate conditions. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：445 / 449
页数：5
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