IC反应器中剩余污泥的厌氧消化试验研究_王光辉

IC反应器中剩余污泥的厌氧消化试验研究_王光辉文章编号:1005-7854(2007)03-0073-04IC反应器中剩余污泥的厌氧消化试验研究王光辉,于冰,张志凡,张洪林(辽宁石油化工大学环境与生物工程学院,辽宁抚顺113001)摘要:利用IC反应器对抚顺三宝屯污水处理厂的剩余污泥进行中温与高温厌氧消化试验,考察厌氧消化工艺的可行性。结果表明,中温、高温连续出泥分别为12d,8d后,出泥COD去除率开始稳定,产气量也逐渐达到稳定,气体中的甲烷含量在70%以上。絮凝试验结果表明,与生污泥相比,消化污泥经絮凝后等量干固体的泥饼体积仅为原来的56%。关键词:剩余污泥;厌氧消化;中温;高温;IC反应器中图分类号:X703.1;X703.3文献标识码:ARESEARCHONANAEROBICDIGESTIONOFTHERESIDUALSLUDGEWITHICREACTORWANGGuang-hui,YUBing,ZHANGZhi-fan,ZHANGHong-lin(SchoolofEnvironmentalandBiologicEngineering,LiaoningUniversityofPetroleum&ChemicalTechnology,Fushun113001,Liaoning,China)ABSTRACT:ThetestisconductedonexperimentsofanaerobicdigestionwithICreactorundermesophilicandhightemperatureconditionsforresidualsludgefromSanbaotunwastewaterplantinfushun,andthefeasibilityofanaerobicdigestionprocessisinvestigated.TheresearchresultshowsthattheremovalrateofCODandpro-ducingairquantitiesundermesophilicandhightemperatureconditionsaresteadyaftercontinuousproducingsludgerespectivelyfor12or8days.Themethanecontentinairisover70%.Flocc