黄姜皂素行业废水处理厌氧段最佳工艺试验分析

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1、-------华中科技大学硕士学位论文betweentwo-phaseandsingle-phaseUASBreactor,whentreatingsaponinmanufacturingwastewaterwithhydrochloricacidacidificationastheproductivetechnology.Wefoundintheexperimentalthatobviousscalingphenomenonexistinbothofanaerobicreactorandaerobicreacto

2、r,andthemaincompositionofthescaleiscalcite(CaCO3).Theeffluentofanaerobicreactorhasatrendofscaling,withsaturationindex(SI)of0.75and0.79respectivelyfortwo-phaseandsingle-phaseUASBreactor.Scalingphenomenonaffecttheanaerobicreactoralot,themaininfluenceisreducingal

3、kalinitywater,affectingtheoperationstabilityofanaerobicreactorsandreducingthesludgeactivity.Keywords:DioscoreazingiberensiswasterwaterAnaerobicUASBTwo-phaseanaerobicScalingIII-----------华中科技大学硕士学位论文目录摘要..........................................................

4、.....................................................IAbstract...........................................................................................................II1绪论1.1研究的背景及课题来源......................................................................(1)

5、1.2黄姜皂素生产工艺及废水特征简介..................................................(1)1.3两相UASB工艺简介..........................................................................(9)1.4研究的目的和意义............................................................................(15)1.5研究内容及

6、方法................................................................................(16)2实验概况2.1实验装置及工艺流程........................................................................(17)2.2实验用水..........................................................................

7、...................(20)2.3实验分析方法.....................................................................................(21)3反应器运行效果分析3.1UASB反应器的启动与运行.............................................................(23)3.2厌氧反应器对COD的去除效果...............................

8、.......................(30)3.3厌氧反应器内酸碱平衡分析............................................................(31)3.4氨氮及悬浮物的去除效果............................................................