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K+、Ca2+、Mg2+对高盐肝素废水处理的影响

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杨红薇, 陈佼, 张建强. K+、Ca2+、Mg2+对高盐肝素废水处理的影响[J]. 环境工程学报, 2014, 8(10): 4267-4272.
引用本文: 杨红薇, 陈佼, 张建强. K+、Ca2+、Mg2+对高盐肝素废水处理的影响[J]. 环境工程学报, 2014, 8(10): 4267-4272.
shu
Yang Hongwei, Chen Jiao, Zhang Jianqiang. Effects of K+, Ca2+, Mg2+ on high salt heparin wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4267-4272.
Citation: Yang Hongwei, Chen Jiao, Zhang Jianqiang. Effects of K+, Ca2+, Mg2+ on high salt heparin wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4267-4272.
shu

K+、Ca2+、Mg2+对高盐肝素废水处理的影响

  • 1.

    西南交通大学地球科学与环境工程学院, 成都 610031

  • 基金项目:

    高等学校博士学科点专项科研基金资助项目（2013018-4110027）

  • 中图分类号: X703

Effects of K+, Ca2+, Mg2+ on high salt heparin wastewater treatment

  • 1.

    Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China

  • Fund Project:

  • 摘要: 高盐废水的生物处理效率因盐分对活性污泥系统的抑制作用而受到很大的限制。寻求降低盐抑制作用，提高生物处理效率的方法和技术是目前研究的热点。针对SBR工艺处理高盐肝素钠生产废水的活性污泥，从金属离子间的拮抗效应出发，研究了K+、Ca2+和Mg2+ 3种金属离子对污泥性能的影响。结果表明，K+、Ca2+和Mg2+添加量分别为40、50和150 mg/L时，COD去除率比对照组分别提高了2.8%、8.0%和3.8%，其余添加量下无明显改善；K+、Ca2+和Mg2+添加量分别为100、200和20 mg/L时，氨氮去除率比对照组分别提高了39.8%、9.8%和28.4%，其中Ca2+对氨氮去除效果的改善能力最差，同时在最佳添加量下讨论了这3种金属离子对污泥浓度以及污泥沉降速率的影响。
    Abstract: High salt wastewater biological treatment efficiency is greatly limited by the inhibition of salt on activated sludge system.Seeking the method and technology to reduce salt inhibition and improve the efficiency of biological treatment is currently a hot research.With the activated sludge for SBR process treating high salt heparin sodium production wastewater,effects of K+,Ca2+,Mg2+ on sludge performance were studied based on the antagonistic effects of metal ions.Results indicated that when K+,Ca2+,Mg2+ dosages were 40,50 and 150 mg/L,respectively,the COD removal rate increased by 2.8%,8.0% and 3.8%,respectively compared with the blank group,other dosage had no significant improvement;when K+,Ca2+,Mg2+ dosages were 100,200 and 20 mg/L,respectively,the ammonia removal rate was increased by 39.8%,9.8% and 28.4%,respectively,in which the improvement capability of Ca2+ on ammonia removal was the worst.The sludge concentration and sedimentation rate changes were discussed under the optimum K+,Ca2+,Mg2+ dosages.
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  • 收稿日期:  2013-10-30
  • 刊出日期:  2014-09-28
杨红薇, 陈佼, 张建强. K+、Ca2+、Mg2+对高盐肝素废水处理的影响[J]. 环境工程学报, 2014, 8(10): 4267-4272.
引用本文: 杨红薇, 陈佼, 张建强. K+、Ca2+、Mg2+对高盐肝素废水处理的影响[J]. 环境工程学报, 2014, 8(10): 4267-4272.
shu
Yang Hongwei, Chen Jiao, Zhang Jianqiang. Effects of K+, Ca2+, Mg2+ on high salt heparin wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4267-4272.
Citation: Yang Hongwei, Chen Jiao, Zhang Jianqiang. Effects of K+, Ca2+, Mg2+ on high salt heparin wastewater treatment[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4267-4272.
shu

K+、Ca2+、Mg2+对高盐肝素废水处理的影响

  • 1. 西南交通大学地球科学与环境工程学院, 成都 610031
  • 收稿日期:  2013-10-30
基金项目:

高等学校博士学科点专项科研基金资助项目（2013018-4110027）

摘要: 高盐废水的生物处理效率因盐分对活性污泥系统的抑制作用而受到很大的限制。寻求降低盐抑制作用，提高生物处理效率的方法和技术是目前研究的热点。针对SBR工艺处理高盐肝素钠生产废水的活性污泥，从金属离子间的拮抗效应出发，研究了K+、Ca2+和Mg2+ 3种金属离子对污泥性能的影响。结果表明，K+、Ca2+和Mg2+添加量分别为40、50和150 mg/L时，COD去除率比对照组分别提高了2.8%、8.0%和3.8%，其余添加量下无明显改善；K+、Ca2+和Mg2+添加量分别为100、200和20 mg/L时，氨氮去除率比对照组分别提高了39.8%、9.8%和28.4%，其中Ca2+对氨氮去除效果的改善能力最差，同时在最佳添加量下讨论了这3种金属离子对污泥浓度以及污泥沉降速率的影响。

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