期刊文献+

碱处理对废水污泥生物降解性的影响 被引量:2

在线阅读 下载PDF
导出
摘要 研究了碱处理对破坏废水污泥(WAS)的难降解结构和增加其生物降解性能影响。讨论了不同碱量对颗粒化学需氧量(PCOD)的溶解性和WAS的水解动力学。试验污泥TSS 1%,在40℃,NaOH用量为0.8~2.4g/L的条件下进行碱处理。结果表明,NaOH用量为1.6g/L是废水污泥水解的最佳条件。330min后,SCOD/TCOD的比值从2%增至23%。并且水解过程中的服从一级反应。而有氧呼吸试验表明,前处理对废水污泥的生物降解性有一定的提高作用,pH7.2前处理的污泥生物降解性最好。相对于原污泥而言,经过前处理的废水污泥20d的氧气汲取量(OU)增加了18倍。
出处 《国外丝绸》 2006年第5期13-15,共3页 silk textile techmology overseas
  • 相关文献

参考文献6

  • 1Rajan, R. V,Lin, J. -G,and Ray, B. T.Low-level chemical pretreatment for enhanced sludge solubilization[].Research Journal WPCF.1989
  • 2Lin, J-G,Chang, C. -N,and Chang, S. C.Enhancement of anaerobic digestion of waste activated sludge by alkaline solubilization[].Bioresource Technol.1997
  • 3Vlyssides, G. A,Bouranis, B. T,and Loizidou, M.A mathematical approach for the evaluation of nutrient eluation kinetics from organic soil conditioners[].Commun SoilSci Plant Anal.1997
  • 4Thomas,A. H.Graphical determination of BOD curve constants[].Water and Sewage Works.1950
  • 5Lin, J-G,Ma, Y. -S,and Huang, C. -C.Alkaline hydrolysis of the sludge generated from a high-strength, nitrogenous - wastewater biological - treatment process[].Bioresource Technology.1998
  • 6Chang, C-N,Ma, Y. -S,and Lo, C. -W.Application of oxidation-reduction potential as a controlling parameter in waste activated sludge hydrolysis[].Chemical Engineering Journal.2002

同被引文献48

  • 1王治军,王伟.剩余污泥的热水解试验[J].中国环境科学,2005,25(B06):56-60. 被引量:62
  • 2田禹,方琳,黄君礼.微波辐射预处理对污泥结构及脱水性能的影响[J].中国环境科学,2006,26(4):459-463. 被引量:80
  • 3ZHANG P Y, ZHANG G M, WANG W. Ultrasonic treatment of biological sludge: floc disintegration, cell lysis and inactivation [ J ]. Bioresource Technology, 2007,98 ( 1 ) : 207-210.
  • 4SAKTAYWIN W, TSUNO H, NAGARE H. Advanced sewage treatment process with excess sludge reduction and phosphorus recovery[ J]. Water Research, 2005,39: 902-910.
  • 5DOGRUEL S, SIEVERS M, GERMIRLI-BABUNA F. Effect of ozonation on biodegradability characteristics of surplus activated sludge[J]. Science and Engineering,2007,29(3) : 191-199.
  • 6BOEHLER M, SIEGRISE H. Potential of activated sludge ozonation[ J]. Wat Sci Tech, 2007,55 (12) : 181-187.
  • 7ZHANG Guang-ming.Sludge ozonation:disintegration,superrkatant changes and mechanisms [ J ]. Bioresource Technology, 2009, 100 : 1505-1509.
  • 8LOPEZ TORRES M, ESPINOSA LLORENS M. Effect of alkaline pretreatment on anaerobic digestion of solid wastes [ J ]. Waste Management, 2008,28 (11) : 2229-2234.
  • 9GRAJAS, CHAUZY J, FERNANDES P, et al. Reduction of sludge production from WWTP using thermal pretreatment and enhanced anaerobic methanisation[ J]. Wat Sci Tech, 2005,52 (1/2) : 267-273.
  • 10VALO A, CARRERE H, DELGENES J P. Thermal, chemical and thermo chemical pretreatment of waste activated sludge for anaerobic digestion [ J ]. Chem Technol Biotechnol, 2004, 79 : 1197-1203.

引证文献2

二级引证文献18

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部