高含硫味精废水处理的研究_成应向

高含硫味精废水处理的研究成应向高含硫味精废水处理的研究StudyonTreatmentof冈onosodiumGlutamateWastewaterContajningHighSulfate成应向(中国科学院成都生物研究所,成都610041)ChengYingxiang(ChengduInstituteofBiology,ChinaeAeademyofScienees,Chengdu610041)摘要采用吹脱一混凝一厌氧消化一两段SBR一絮凝沉淀工艺处理味精废水,试验结果表明,当进水c0D为2235lmg/L、s《51000mg/L、NH3一N757lmg/L、色度(倍)3906和pHz.3时,出水eoD99mg/L、50:95mg/L、NH厂Nlmg/L、色度16和pH6.5,其水质均达到GB8978一2996规定的一级排放标准..关键词:味精废水吹脱混凝厌氧消化两段SBR絮凝沉淀AbstractTreatmentofmonosodiumglutamatewastewaterbytheProcessofblowingoffescoagulation一anaerobiedigestion一twostageSBR一floeeulatingsettinghasbeeneondueted.TheexPerimentalresultshowedthatwhentheinfluentCODwas2235lmg/L,50二一51000mg/L,NH厂N757lmg/L,ehromatieityeolor(times)3906andpH1.3,aftertreatmenttheeffluentCODwasdeereasedto99mg/L,50二一95mg/L,NH厂Nlmg/L,ehromatieityeolor16andpH6.5,anditsqualityallreachedtheifrstgradedisehargestandardofGB8978一1996.Keyword:MonosodiumglutamatewastewaterBlowingoffCoagulationAnaerobicdigestionTwo·stageSBRFloceulatingsetting,前言高浓度味精废水因COD、50二一和NH3一N含量很高,酸度大,颜色深,所以治理难度很大。目前,欧