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首页> 外文会议>Progress in environmental science and technology.;vol. 3. >Startup Characteristics of Internal Circulation (IC) Anaerobic Reactor in Treating Juice Wastewater
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Startup Characteristics of Internal Circulation (IC) Anaerobic Reactor in Treating Juice Wastewater

机译：内循环厌氧反应器处理果汁废水的启动特性

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We studied several aspects of an Internal Circulation (IC) anaerobic reactor in treating juice wastewater. Including Start-up and running characteristics, The results showed that under the circumstance of increasing COD concentration gradually and reducing hydraulic retention time (HRT) to enhance the volume load, reactor's sludge bed zone was filled fully by granular sludge with good settling property little by little as reactor run.In the bottom of the reactor, granular sludge particle size in 2-3mm was predominant. And particle size of all the granular sludge under the sludge bed zone was bigger than that of the upper. When the influent COD concentration was about 9000mg/L, HRT reduced to 8.3 hours. Under the Circumstance of the volume load in 27.42kgCOD/m3.d,COD removal rate kept above 90%. The VFA stabled at less than 400mg /L.
机译：我们研究了内部循环厌氧反应器处理果汁废水的几个方面。包括启动和运行特性在内，结果表明，在逐渐增加COD浓度和减少水力停留时间（HRT）以增加体积负荷的情况下，反应器的污泥床区被颗粒状污泥完全充满，沉降性能好于零。在反应器底部，颗粒污泥的粒径主要为2-3mm。污泥床区下所有颗粒污泥的粒径均大于上部污泥。当进水COD浓度约为9000mg / L时，HRT降至8.3小时。在体积负荷为27.42kgCOD / m3.d的情况下，COD去除率保持在90％以上。 VFA稳定在小于400mg / L。

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