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    • 2. 发明申请
    • CHEMICALLY ENHANCED PRIMARY SLUDGE FERMENTATION METHOD
    • 化学增强主要污泥发酵方法
    • WO2005014485A2
    • 2005-02-17
    • PCT/US2004/018076
    • 2004-06-08
    • CH2M HILL, INC.JOHNSON, Bruce, R.
    • JOHNSON, Bruce, R.
    • C02F
    • C02F11/02C02F1/5236C02F3/308Y02W10/27Y10S210/906
    • A method of treating wastewater to increase effluent volatile fatty acid content consisting of providing wastewater to a primary treatment vessel and adding a select quantity of a chemical, typically an aluminum or iron salt, to the wastewater, enhancing the separation of organic matter. Separated organic matter is then removed from the chemically treated wastewater forming a primary sludge and a primary effluent. A portion of the primary sludge is fermented to form a volatile fatty acid rich liquor. The volatile fatty acid rich liquor may then be used with the primary effluent, directed to a bioreactor, thereby forming a volatile fatty acid enriched bioreactor feed. The volatile fatty acid enriched influent may be further treated through known biological phosphorous and nitrogen removal methods.
    • 一种处理废水以增加流出挥发性脂肪酸含量的方法,其包括向主处理容器提供废水,并向废水中添加选择量的化学品(通常为铝或铁盐),从而增强有机物的分离。 然后将分离的有机物从化学处理的废水中除去,形成初级污泥和初级流出物。 一部分初级污泥被发酵以形成富含挥发性富含脂肪酸的液体。 然后可将挥发性富含脂肪酸的液体与主要流出物一起使用,导向生物反应器,从而形成富含挥发性脂肪酸的生物反应器进料。 可以通过已知的生物磷和氮去除方法进一步处理富含挥发性脂肪酸的流入物。