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2020-11-12
厌氧生物滤池的种类你知道多少?
按其水流方向,厌氧生物滤池可分为升流式厌氧生物滤池和降流式厌氧生物滤池两大类。
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厌氧生物滤池的种类你知道多少?
Date﹕2020-11-12|Source:Eclear Environmental
       生物除臭滤池是一种由碎石或塑料制品填料构成的生物处理构筑物,它是利用污水与填料表面上生长的微生物膜间隙接触,使污水得到净化,从而实现污水彻底除臭的效果,那么,有关厌氧生物滤池的种类你知道多少呢?

按其水流方向,厌氧生物滤池可分为升流式厌氧生物滤池和降流式厌氧生物滤池两大类。

生物滤池除臭


        1、升流式厌氧生物滤池,废水由池底的布水系统进入滤池,均匀向上流动,通过滤料层与固定其上的生物膜接触,经净化的水从池上部引出池外,产生的沼气从池顶部排出。这是目前大多采用的类型。

        2、降流式厌氧生物滤池,废水进水的布水系统是设在滤料层上部,往下流动,通过滤料层与生物膜接触,经净化的水从池底排出。

        3、升流式混合型厌氧生物滤池,其结构上减少了滤料层,在池底布水系统与滤料层之间留出一定空间,以便悬浮污泥在此生长、累积。这时废水经布水系统,依次通过悬浮污泥层及滤料层,废水经与污泥颗粒和生物膜接触得到净化。

生物滤池


        厌氧生物滤池内生物固体浓度随填料高度的不同,存在很大的差别。升流式厌氧生物滤池底部的生物固体浓度有时是其顶部生物固体浓度的几十倍,因此底部容易出现部分填料间水流通道堵塞、水流短路现象。

       而降流式厌氧生物滤池向下的水流有利于避免填料层的堵塞,其中生物固体浓度的分布比较均匀。

       经验表明,在相同的水质条件和水力停留时间下,升流式厌氧生物滤池的C0Dcr,去除率要比降流式厌氧生物滤池高,因此实际运用中的厌氧生物滤池多采用升流式厌氧生物滤池。

       上海羿清环保科技有限公司是一家集设计、研发、生产、制造于一体的恶臭废气处理、有机废气处理公司、羿清环保在臭气处理方面具有丰富的经验、如果您有臭气或者废气方面的困扰,可以随时联系我们,我们随时为您解决问题。
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