高盐废水除氟工艺及电絮凝除氟实验的应用.pdf

环保与节能

环保与节能

高盐废水除氟工艺及电絮凝除氟实验的应用

马建超，薛文娟*

(河北省唐山首钢京唐西山焦化有限责任公司，河北唐山063210)

摘要：文章分析了含氟废水的现状，阐述了高盐含氟废水产生原因及处理难度，结合高盐含氟废水的水质特征，总结了

包括吸附塔吸附工艺、树脂离子交换工艺、活性炭粉煤灰吸附工艺、化学试剂沉淀工艺、电渗析工艺及电催化除氟工艺

的工艺特征及各自的优缺点。结合唐山某焦化处理高盐含氟废水的实验情况，将化学沉淀法、电絮凝除氟法与焦化高盐

含氟废水的处理效果作了对比。最后，通过耦合化学沉淀法及电絮凝除氟工艺，在除氟剂投加量为1‰，电絮凝电压为

5.4V，pH值为8.5的条件下，将进水的氟离子从181.0mg/L降低至16.3mg/L，为高盐含氟废水处理工艺探索出了一

条新思路。

关键词：高盐含氟废水；焦化废水；电絮凝除氟；电化学除氟

中图分类号：O65 文献标志码：A文章编号：1008-4800(2024)26-0041-03

DOI:10.19900/ki.ISSN1008-4800.2024.26.012

Def luorinationTechnologyofHighSaltWastewaterandApplicationof

ElectricFlocculationDef luorinationTest

MAJianchao,XUEWenjuan*

(ShougangJingtangXishanCokingCo.,Ltd.,Tangshan063210,China)

Abstract:Inthispaper,thepresentsituationoff luorine-containingwastewaterisanalyzed,thecausesandtreatmentdiff iculties

ofhigh-saltf luorine-containingwastewateraredescribed,andthecharacteristicsandadvantagesanddisadvantagesoftheprocess

includingadsorptioncolumnadsorption,resinionexchangeprocess,activatedcarbonf lyashadsorptionprocess,chemicalreagent

precipitationprocess,electrodialysisprocessandelectrocatalyticdef luorinationprocessaresummarizedincombinationwiththe

waterqualitycharacteristicsofhigh-saltf luorine-containingwastewater.Basedontheexperimentalresultsofacokingwastewater

withhighsaltf luorinecontentinTangshan,theeffectsofchemicalprecipitationandelectricf locculationwerecomparedwiththose

ofcokingwastewaterwithhighsaltf luorinecontent.Finally,bycouplingchemicalprecipitationmethodandelectrof locculation

def luorinationprocess,theinf luentf luorideionwasreducedfrom181.0mg/Lto16.3mg/Lundertheconditi