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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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组合工艺处理甘薯燃料乙醇糟液
DOI: 10.3724/SP.J.1145.2010.00730, PP. 730-733
Keywords: 组合工艺,甘薯,燃料乙醇,糟液,改良型uasb,sbbr,复合絮凝剂
Abstract:
采用固液分离―改良型uasb（上流式厌氧污泥床反应器）厌氧消化―sbbr（序批式生物膜反应器）好氧生化―高效复合絮凝组合工艺处理甘薯燃料乙醇糟液，处理出水各项敏感环境因子均达到国家《污水综合排放标准》（gb8978-1996）一级标准.在改良型uasb进水cod36720~43890mgl-1、ss8370~11400mgl-1条件下，维持反应温度(35±3)℃，其容积负荷可达到28.86~34.5g(cod)l-1d-1，对cod、ss、vfa去除率分别为92%~93%、89%~91.5%、96%~98%.在12~30℃时，厌氧消化液ss360~530mgl-1，bod400~530mgl-1，nh3-n120~163mgl-1，s2-40~50mgl-1，经两级sbbr好氧生化处理后，分别降低到40~60mgl-1、250~310mgl-1、7.2~13.8mgl-1、低于0.5mgl-1.考察3种絮凝剂的混凝效果，以高效复合絮凝剂效果最好，生化处理出水经该絮凝剂混凝处理后，cod、tp和色度分别降低到低于100mgl-1、0.5mgl-1和40倍.图2表3参12
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