[1]台明青,张磊,杨希,等.草木灰分散耦合生物发酵对剩余污泥深度脱水[J].深圳大学学报理工版,2014,31(5):544-550.[doi:10.3724/SP.J.1249.2014.05544]
 Tai Mingqing,Zhang Lei,Yang Xi,et al.Deep dewatering of activated sludge by adding plant ash for dispersion coupled with biological fermentation[J].Journal of Shenzhen University Science and Engineering,2014,31(5):544-550.[doi:10.3724/SP.J.1249.2014.05544]
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草木灰分散耦合生物发酵对剩余污泥深度脱水()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第31卷
期数:
2014年第5期
页码:
544-550
栏目:
环境与能源
出版日期:
2014-09-20

文章信息/Info

Title:
Deep dewatering of activated sludge by adding plant ash for dispersion coupled with biological fermentation
文章编号:
201405015
作者:
台明青1 张磊1 杨希2 张荣奇3程鹏1董冰雪4
1)南阳理工学院土木工程学院, 河南南阳 473040
2)南阳市农业干部学校, 河南南阳 473100
3)南阳市污水处理净化中心,河南南阳 473000
4)南阳师范学院生命科学学院, 河南南阳 473061
Author(s):
Tai Mingqing1 Zhang Lei1 Yang Xi2 Zhang Rongqi3 Cheng Peng1 and Dong Bingxue4
1) School of Civil Engineering, Nanyang Institute of Technology, Nanyang 473004, Henan Province, P. R.China
2) School of Nanyang Cadre in Agriculture, Nanyang 473100, Henan Province, P. R.China
3) Nanyang Sewage Wastewater Treatment and Purification Centre, Nanyang 473000, Henan Province, P. R.China
4) School of Life Science, Nanyang Normal University, Nanyang 473061, Henan Province, P. R.China
关键词:
固体废物资源化利用草木灰分散剩余污泥聚丙烯酰胺深度脱水生物发酵
Keywords:
solid wastes resourceful utilizing plant ash dispersing activated sludge polyacrylamide deep dewatering biological fermentation
分类号:
X 705
DOI:
10.3724/SP.J.1249.2014.05544
文献标志码:
A
摘要:
利用草木灰分散剩余污泥中高分子聚丙烯酰胺,在耐热耐碱侧胞菌和effective microorganisms(EM)复合菌作用下,对剩余污泥进行生物发酵、深度脱水和除臭等. 研究结果表明,添加草木灰(草木灰与污泥体积比1∶3)可分散絮凝剩余污泥(水质量分数约为80%)中的聚丙烯酰胺,并通过耦合生物发酵对剩余污泥进行深度脱水和除臭. 处理前后污泥的pH值由6.7增至12.3;污泥比阻(specific resistance to filtration, SRF)由1.41×1013 m/kg降为6.85×1011 m/kg;污泥中水的质量分数由80.2%降至46.8%;污泥中聚丙烯酰胺质量分数由4.9 mg/g降为0.2 mg/g;臭味强度由5级变为1级;粪大肠菌群值由6.9×107 MPN/g降为0.08 MPN/g,处理后污泥中的氮、磷(以P2O5计)、钾(以K2O计)和有机质质量分数分别为3.4%、9.2%、5.7%和49.9%. 该方法可有效实现对絮凝剩余污泥的深度脱水,实现污泥的资源化.
Abstract:
We investigate the biological frementation, deep dewatering, and deodorization of activated sludge by adding plant ash for dispersing polyacrylamide under the condition of heat and alkali resistant lateral and effective microorganisms(EM) bacterium. The results show that, after treatment of activated sludge by adding 1/3 of plant ash (in volume) for dispersing polyacrylamide coupled with biological fermentation, the pH of sludge increases from 6.7 to 12.3, specific resistance to filtration (SRF) decreases from 1.41×1013 m/kg to 6.85×1011 m/kg; water content decreases from 80.2% to 46.8%; polyacrylamide content decreases from 4.9 mg/g to 0.2 mg/g; odor grade decreases from 5 to 1; fecal coliform decreases from 6.9×107 MPN/g to 0.08 MPN/g; nitrogen, phosphorus, potassium and organic matter of treated sludge can reach about 3.4%, 9.2%, 5.7% and 49.9%, respectively. Hence, our method can effectively realize the deep dewatering and resourceful utilizing for flocculated activated sludge.

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备注/Memo

备注/Memo:
Received:2014-04-02;Accepted:2014-07-22
Foundation:National Natural Science Foundation of China(31300669)
Corresponding author:Senior engineer Tai Mingqing. E-mail: taimingqing2008@163.com
Citation:Tai Mingqing,Zhang Lei,Yang Xi,et al.Deep dewatering of activated sludge by adding plant ash for dispersion coupled with biological fermentation[J]. Journal of Shenzhen University Science and Engineering, 2014, 31(5): 544-550.(in Chinese)
基金项目:国家自然科学基金资助项目(31300669)
作者简介:台明青(1964—), 男(汉族), 河南省新野县人,南阳理工学院高级工程师、博士. E-mail: taimingqing2008@163.com
引文:台明青, 张磊, 杨希, 等.草木灰分散耦合生物发酵对剩余污泥深度脱水[J]. 深圳大学学报理工版,2014,31(5):544-550.
更新日期/Last Update: 2014-09-11