次氯酸钠-铁碳微电解联用处理炼油厂RO浓水实验研究

次氯酸钠-铁碳微电解联用处理炼油厂RO浓水实验研究·98·价值工程次氯酸钠一铁碳微电解联用处理炼油厂RO浓水实验研究ExperimentalStudyontheUseofSodiumHypochlorite-iron—-carbonMicro-electrolysisinRefineryROThickWaterTreatment陈国强CHENGuo-qiang(北京矿冶研究总院，北京100160)(BeijingGeneralResearchInstituteofMining&Metallurgy，Beijing100160，China)摘要：文章提出了采用次氯酸钠一铁碳微电解联用技术处理炼油厂RO浓水，通过正交实验法设计实验方案，得到了最佳实验条件，在次氟酸钠投加入量为440mg／L，氧化时间为40min，铁碳微电解pH值为4。此条件下废水COD。由132．6mg／L降到46．35mg／L，去除率可以达到65％，实现了达标排放。Abstract：Thisarticleproposestousesodiumhypochlorite—iron—carbonmicro—electrolysistechnologyforrefineryROthickwatertreatment．Theexperimentschemeisdesignedthroughorthogonalexperimentmethodandtheoptionalexperimentalconditionisobtained：thedosageofsodiumhypochloriteis440mg／L，oxidationtimeis40min，andiron-carbonmicro-electrolysispHvalueis4．Underthiscondition，thewastewaterCOD。densitywillbereducedfrom132．6mg／Lto46．35mg／L．Theremovalratecanreach65％，whichmeetsthestandardcharge．关键词：炼油厂RO浓水；铁碳微电解；正交试验Keywords：refineryROthickwater；iron—carbonmicro—electrolysis；orthogonalexperiment中图分类号：X