煤制乙二醇技术高盐废水处理方案选择_孙建堂

煤制乙二醇技术高盐废水处理方案选择_孙建堂Apr．2017现代化工第37卷第4期ModernChemicalIndustry2017年4月煤制乙二醇技术高盐废水处理方案选择孙建堂*(黔西县黔希煤化工投资有限责任公司，贵州黔西551500)摘要:从废水的盐分组成及水量进行市场调研和技术研讨，最终确定废水处理方案为反渗透+多效蒸发工艺，为煤制乙二醇的废水处理难题、煤制乙二醇项目的环评提供可行性方案。关键词:煤制乙二醇技术;废水处理;反渗透;多效蒸发;效益核算中图分类号:TQ085．4文献标志码:A文章编号:0253－4320(2017)04－0164－02DOI:10．16606/j．cnki．issn0253－4320．2017．04．040Selectionofhigh-saltwastewatertreatmentschemeforcoal-madeethyleneglycoltechnologySUNJian-tang*(QianxiQianandCoalChemicalIndustryInvestmentCo．，Ltd．，Qianxi551500，China)Abstract:Fromtheaspectsofthesaltcompositionandwatercontentinthehigh-saltwastewaterfromcoal-madeethyleneglycoltechnology，themarketresearchandtechnicalresearchareperformedanddiscussed．Thecombinationofreverseosmosisandmulti-effectevaporationprocessisultimatelydeterminedasthewastewatertreatmentprogram．Itprovidesthefeasiblesolutionfortreatmentofthewasterwaterfromcoal-to-ethyleneglycolprocess．Keywords:coaltoEGtechnology;wastewatertreatment;reverseosmosis;multi-effectevaporation;benefitsofaccounting收稿日期:2016－09－