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谈黑水基于分散式处理黑水和家庭厨余垃圾共消化

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摘要:对家庭厨余垃圾的性质进行了调查探讨,结果显示家庭厨余垃圾的平均生成量为125-180g/(人.天)。垃圾破碎机的利用对额外耗水量、耗电量,同时,可以直接排入管网与其他污水进行分散式处理。当黑水和厨余垃圾比例为1:1(BW50%:KW50%)时,BMP实验显示此时甲烷产量最大为2913.6mL,此时BMP为737.8mLCH4/gTS-add。此外,连续实验表明多段式CSTR比单个CSTR无论是在生物气产量还是有机质去除率都效果更好,这可能是由于主反应器的出料在次反应器中继续反应,将VFA以及残留的有机质降解外额外的生物气的理由。关键词:厌氧共消化论文厨余垃圾论文黑水论文CSTR论文源分离论文分散处理论文

    摘要3-4

    Abstract4-5

    List of Figures5-7

    List of Tables7-11

    CHAPTER 1 INTRODUCTION11-22

    1.1 STATE OF ART OF HOUSEHOLD WASTEWATER DISPOSAL12-14

    1.1.1 Centrapsed Wastewater Disposal12

    1.1.2 The Drawback of Waste water treatment plant12-14

    1.2 DECENTRALISED DISPOSAL14-19

    1.2.1 Household Waste Water Streams15-18

    1.2.2 Souce-separation System18-19

    1.3 HOUSEHOLD KITCHEN WASTE19-21

    1.4 OBJECTIVE OF THE RESEARCH21-22

    CHAPTER 2 HOUSEHOLD KITCHEN WASTE DISPOSAL WITH FOOD WASTE DISPOSERS22-29

    2.1 BACKGROUND22

    2.2 METHODS AND MATERIALS22-24

    2.2.1 The Methodology22-23

    2.2.2 Test Method23-24

    2.3 RESULTS AND DISCUSSION24-28

    2.3.1 Household Kitchen Waste24-26

    2.3.2 Kitchen Waste Disposers26-28

    2.4 SUMMARY28-29

    CHAPTER 3 BATCH EXPERIMENTS OF CO-DIGESTION29-48

    3.1 BACKGROUND29-34

    3.1.1 The State of Art of Co-digestion29-31

    3.1.2 Anaerobic Digestion31-33

    3.1.3 Objective of the Research33-34

    3.2 METHODS AND MATERIALS34-38

    3.2.1 A34-35

    3.2.2 BMP35

    3.2.3 Bioprocess- BMP Test Equipments35-36

    3.2.4 Inoculums Sludge36-37

    3.2.5 Methodology37-38

    3.3 RESULTS AND DISCUSSION38-48

    3.3.1 A test38-39

    3.3.2 Batch Experiments of Kitchen Waste39-40

    3.3.3 Batch Experiments of Blackwater40-42

    3.3.4 Batch Experiments of Brown Water42-44

    3.3.5 The Co-digestion of Kitchen Waste and Brown Water44-45

    3.3.6 The Co-digestion of Kitchen Waste and Blackwater45-48

    CHAPTER 4 CONTINUOUS CSTR EXPERIMENTS48-60

    4.1 BACKGROUND48-49

    4.1.1 Continuous stirred tank reactor (CSTR)48-49

    4.1.2 Serial CSTR49

    4.1.3 Objective of Our Research49

    4.2 METHODS AND MATERIALS49-52

    4.2.1 The Reactors49-50

    4.2.2 The Substrates50-51

    4.2.3 The Inoculums51-52

    4.2.4 Test Methods52

    4.3 RESULTS AND DISCUSSION52-57

    4.3.1 pH52-53

    4.3.2 TCOD, CODs, NH4+-N53-56

    4.3.3 The Gas Volume56-57

    4.4 DISCUSSION AND CONCLUSION57-60

    CHAPTER 5 CONCLUSION AND PLAN60-62

    5.1 RESEARCH CONCLUSION60-61

    5.2 THE NEXT PLAN61-62

    REFERENCES62-68

    ACKNOWLEDGEMENTS68-70

    APPENDIX70-71

    CURRICULUM VITAE71

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