Research and Recovery Treatment of Resin Pollution in Wastewater Treatment Systems
In the process of wastewater recycling of Dalian Electronics Co.,Ltd.,there is over-standard heavy metal and cyanide in RO concentrated water.Then,the wastewater is treated by ion exchange resin.After half a year of operation,the effluent exceeds the standard,and it is initially judged that the resin is polluted.The pollution of the resin is studied by NaOH and alkaline NaCl regeneration and static soaking.The research shows that the resin is polluted by organic matter.After confirming the regeneration recovery on site,the future operation management mode is formulated according to the situation.
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