Influence of immobilization supports on the kinetic constants of anaerobic purification of olive mill wastewater

J.A. Fiestas , A. Martín , R. Borja
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引用次数: 56

Abstract

Studies are made of the anaerobic digestion of olive mill wastewater (OMW) using bioreactors housing various suspended supports for immobilization of the microorganisms. The OMW inhibited the digestion as the digester loadings increased, and the support medium affected the inhibition. By applying the international Time Series Processor (TSP) computer program, version 4·0 D (Stanford, CA, USA), through the Roediger equation G = Gmm[1 − exp ( − Kobst)], to the resultsobtained the Gm and Kobs values were calculated. From the Gm values was then calculated the coefficient of yield for each support. The results show the influence of the different supports used to immobilize the bacteria on the biomethanation of OMW; this is of relevance to the development of fluidized-bed processes.

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固定化载体对橄榄厂废水厌氧净化动力学常数的影响
研究了橄榄厂废水的厌氧消化(OMW)使用生物反应器容纳各种悬浮支架固定化微生物。随着消化器负荷的增加,OMW对消化有抑制作用,载体对抑制作用有影响。应用国际时间序列处理器(TSP) 4.0 D版计算机程序(Stanford, CA, USA),通过Roediger方程G = Gmm[1−exp(−Kobst)]对得到的结果进行计算,得到Gm和Kobs值。然后根据Gm值计算出每个支撑物的产量系数。结果表明:不同载体对细菌固定化效果的影响;这与流化床工艺的发展有关。
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