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2021-05-18
脉冲生物滤池降解有机物原理
脉冲生物滤池是一种生物膜法污水处理技术,污水通过布水器均匀散落在滤料表面,水流由上而下流经滤料,经过一段时间后会在滤料表面形成生物膜。附着在滤料表面的生物膜结构,从膜外到膜内依次为流动水层、附着水层、好氧层、厌氧层以及附着介质。
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脉冲生物滤池降解有机物原理
Date﹕2021-05-18|Source:Eclear Environmental

脉冲生物滤池是一种生物膜法污水处理技术,污水通过布水器均匀散落在滤料表面,水流由上而下流经滤料,经过一段时间后会在滤料表面形成生物膜。附着在滤料表面的生物膜结构,从膜外到膜内依次为流动水层、附着水层、好氧层、厌氧层以及附着介质。

脉冲生物滤池降解有机物原理

滤池对污水中有机物的降解去除机理主要通过扩传质散和微生物的同化作用。由于在生物膜中传质阻力的存在,生物膜内有机物、溶解氧等基质传递存在浓度梯度,生物膜外附着一层水层,污水流经滤料表面,有机物由浓度高的污水中向水层中扩散,进一步被生物膜吸附;空气中的氧同时通过水流透过水层进入生物膜的好氧层,生物膜中的微生物在氧的参与下对污水中的有机物进行氧化分解和机体新陈代谢,微生物代谢产物如C02H20等无机物以及厌氧层分解产物H2SNH3等气体沿着反方向通过附着水进入流动水层和空气中,从而使污水得到净化。在生物膜成熟后,微生物好氧代谢能力强,净化功能最好,而处于老化状态的生物膜降解效果较差。滤料表面成熟的生物膜的厌氧层与好氧层保持一定平衡关系,随着代谢产物增多,厌氧层厚度增加,同时气态代谢产物逸出,两层之间失去平衡,好氧层的生态系统失去稳定状态,生物膜在滤料表面的固着力下降,生物膜成老化状态并自然脱落,随后又会在滤料表面形成新的生物膜。

脉冲生物滤池降解有机物原理

上海羿清环保公司是一家专注于生物除臭的环保企业,其生产的生物滤池臭气处理设备能够有效处理恶臭气体,而且不会产生二次污染,受到业内人士的一致好评。

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