Status in quo of citric acid industrial wastewater treatment

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  • Institute of Polymer Northwest Normal University Lanzhou 730070 China

Received date: 2003-07-20

  Online published: 2010-10-01

Abstract

China isthe largest citric acid production and exporter country in the world,but because of the intrinsic characteristic of the production technology of citric acid,a large amount of highly concentrated wastewater occursin the course of production,and resultsin seriousenvironmental pollution.And at present because the investment in technology and the cost of operation are high,the discharge of three wastesisbeyond control,so that the surrounding environmentsare seriously polluted.Therefore,it iscrucial to treat the citric acid industrial wastewater.It analyzesthe sourcesand characteristicsof the citric acid wastewater.The application of the treatment processes,such asbio-logical process,photosynthetic bacteria process,and lacteousliquid film processto the treatment of the wastewater is reviewed.The technologiesof the neutralized wastewater reuse are introduced.

Cite this article

Xie Xin, Zhang Zhenlin, Wang Rongmin, Wang Yunpu . Status in quo of citric acid industrial wastewater treatment[J]. Industrial Water Treatment, 2004 , 24(1) : 8 -11 . DOI: 10.11894/1005-829x.2004.24(1).8

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