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首页> 外文期刊>Journal of Residuals Science & Technology >Thermochemical Hydrolysis of Waste Activated Sludge
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Thermochemical Hydrolysis of Waste Activated Sludge

机译：废活性污泥的热化学水解

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In this study, thermochemical hydrolysis of the waste activated sludge col-lected from the biological treatment plant of a food industry has been investigated. Thermochemical hydrolysis was used as a pretreatment method to reduce the produc-tion of waste activated sludge. In the tests, the effects of pH, temperature and reaction time on thermochemical hydrolysis of waste treatment sludge have been examined. It is observed that hydrolysis increases with the increasing temperature and hydrolysis time at extreme pH values. The nitrogen content in sludge dissolves in parallel with COD. The COD solubility in biomass has reached 18-85%. Furthermore, hydrolysis kinetics of sludge is developed at constant temperature and pH. The results are fitted to first order reaction kinetics.
机译：在这项研究中，已经对食品工业生物处理厂收集的废活性污泥的热化学水解进行了研究。热化学水解被用作减少废物活性污泥产生的预处理方法。在测试中，检查了pH，温度和反应时间对废物处理污泥的热化学水解的影响。观察到在极端pH值下，水解随着温度和水解时间的增加而增加。污泥中的氮与COD平行溶解。 COD在生物质中的溶解度已达到18-85％。此外，在恒定温度和pH下，污泥的水解动力学得以发展。结果适合一级反应动力学。

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