全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

4-硝基酚的污泥减量化作用及对污泥性质的影响

Keywords: 活性污泥,剩余污泥减量,解偶联剂,4-硝基酚

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了有效减少活性污泥法中剩余污泥的产生,采用解偶联剂4-硝基酚对活性污泥工艺中的剩余污泥进行减量化研究。研究了4-硝基酚对污泥的增长速率、基质去除率以及污泥性质的影响。结果表明:4-硝基酚对污泥的减量化作用明显,在对微生物解偶联的过程中并不影响微生物对基质的利用能力;对出水中的氨氮影响甚小,总氮、总磷浓度有轻微的升高。4-硝基酚能够刺激污泥中微生物的活性,比耗氧速率增加,促进能量解偶联,从而降低污泥产率。4-硝基酚使污泥中微生物的群落结构发生了轻微的变化,但对污泥的松散程度和絮凝沉降性能影响甚小。

References

[1]  Yang X.F.Metabolic uncouplers reduce excess sludge production in an activated sludge process.Process Biochemistry,2003,34(7):2025-2030
[2]  Zheng G.H.,Li M.N.,Wang L.,et al.Feasibility of 2,4,6-trichlorophenol and malonic acid as metabolic uncoupler for sludge reduction in the sequence batch reactor for treating organic wastewater.Applied Biochemistry and Biotechnology,2009,144(2):101-109
[3]  Aragon C.,Quiroga J.M.,Coello M.D..Comparison of four chemical uncouplers for excess sludge reduction.Environ.Technol.,2009,30(7):707-714
[4]  Lin S.,Jiang W.J.,Tang Q.,Li Y.Z.Impact of a metabolic uncoupler,2,4-dichlorophenol on minimization of activated sludge production in membrane bioreactor.Water Science and Technology,2010,62(6):1379-1385
[5]  方芳,朱润晔,张丽丽,等.好氧颗粒污泥共代谢降解MTBE及微生物群落研究.环境科学学报,2008,28(11):2206-2212 Fang F.,Zhu R.Y.,Zhang L.L.,et al.Biodegradation of MTBE with ethanol CO-substrate using all SBR and microbial community structure.Acta Scientiae Circumstantiae,2008,28(11):2206-2212(in Chinese)
[6]  香杰新,蔡勋江,范洪波,等.复合菌剂用于膜生物反应器的污泥减量试验研究.水处理技术,2009,35(12):98-101 Xiang J.X.,Cai X.J.,Fan H.B.,et al.Study on addition of hybrid bacteria into membrane bioreactor for sludge reduction.Technology of Water Treatment,2009,35(12):98-101(in Chinese)
[7]  田禹,马宗凯.解偶联剂在重金属废水处理中的污泥削减作用.哈尔滨工业大学学报,2007,39(12):274-277 Tian Y.,Ma Z.K.Sludge reduction of uncoupler in heavy metal wastewater treatment.Journal of Harbin Institute of Technology,2007,39(12):274-277(in Chinese)
[8]  Chen G.H.,Mo H.K.and Liu Y.Utilization of a metabolic uncoupler,3,3\',4\',5-tetrachloro-salieylanilide(TCS)to reduce sludge growth in activated sludge culture.Water Research,2002,36(8):2077-2083
[9]  Chen G.W.,Yu H.Q.,Xi P.G.Influence of 2,4-dinitrophenol on the characteristics of activated sludge in batch reactor.Bioresourse Technology,2006,98(4),729-733
[10]  Liu Y.,Tay J.H.Strategy for minimization of excess sludge production from the activated sludge process.Biotechnology Advance,2001,19(2):97-107
[11]  APHA.Standard Methods for the Examination of Water and Wastewater(19th ed).Baltimore,MD:American Public Health Association,1995
[12]  Eiroa M.,Kennes C.,Veiga M.C.Formaldehyde and urea removal in a denitrifying granular sludge blanket reactor.Water Research,2004,38(16):3495-3502
[13]  安莹玉.UASB-MBR工艺短程硝化-同时甲烷化反硝化研.大连:大连理工大学博士学位论文,2008 An Y.Y.Combined UASB-MBR for shortcut nitrification coupled with simultaneous methanogenesis and denitrification.Dalian:Doctoral Dissertation,Dalian University of Technology,2008(in Chinese)
[14]  Ji J.,Qiu J.P.,Wong F.S.,et al.Enhancement of filterability in MBR achieved by improvement of supernatant and floc characteristics via filter aids addition.Water Research,2008,42(14):3611-3622
[15]  叶芬霞,陈英旭.能量解偶联代谢对剩余污泥的减量化研究.环境科学与技术,2005,28(4):4-7 Ye F.X.,Chen Y.X.Residual sludge reduction by energy uncoupled metabolism.Environmental Science and Technology,2005,28(4):4-7(in Chinese)
[16]  唐琼,林海波,林松.解偶联代谢对活性污泥工艺中剩余污泥的减量化作用.四川理工学院学报,2011,24(5):501-504 Tang Q.,Lin H.B.,Lin S.Reduction of excess sludge production by uncoupled metabolism in activated sludge process.Journal of Sichuan University of Science & Engineering,2011,24(5):501-504(in Chinese)
[17]  Low E.W.,Chasel H.A.The use of chemical uncouplers for reduction biomass production during biodegradation.Water Science and Technology,1998,37(4):399-402
[18]  Ye F.X.,Shen D.S.,Li Y.Reduction in excess sludge production by addition of chemical uncouplers in activated sludge batch cultures.Journal of Applied Microbiology,2003,95(4):781-786

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133