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2021-06-11
生物除臭填料具有的特征是什么?
以木片、树皮为填料的生物滤池的优异性能主要得益于填料自然天成的微生物性,前述的理想生物除臭填料的六个特征无一不具备:
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生物除臭填料具有的特征是什么?
Date﹕2021-06-11|Source:Eclear Environmental

以木片、树皮为填料的生物滤池的优异性能主要得益于填料自然天成的微生物性,前述的理想生物除臭填料的六个特征无一不具备:

生物除臭

(1)最佳的微生物生长环境。木片和树皮富含有机质和碳元素,因此,微生物所需的营养物和碳源的供应不成问题; 木片和树皮自身富含水分,且废气经预洗后湿度已达饱和,因此,适宜的湿度环境也不成问题; pH则更不成问题,这是因为木片和树皮具有自然天成的pH弱酸性及优异的酸碱缓冲性能,运行过程不会发生pH值失调的情况。 以木片和树皮构成的生物填料,可以提供最佳的微生物生长环境。

(2)较大的比表面积。分散的木片和树皮除了具有巨大的外表面积,还有丰富的内表面积,其比表面积是任何陶瓷、塑料等不能提供营养物质的惰性材料所不能比拟的。因此,其接触面积、吸附容量、单位体积的反应点多也是自然天成的;

(3)一定的结构强度。据测试,以木片和树皮为填料的生物滤池在工程条件下,运行半年后,其压力降不大于500Pa,五年后其压力降不大于1000Pa。而生物滴滤塔在工程条件下的起始压力降就达1000Pa或以上。可见木片树皮填料在生物滤池运行条件下具有足够的结构强度。

(4)高水分持留能力。水分是维持微生物活性的关键因素。那么木片树皮填料的水分持留能力有多大,下面的数据足以说明问题:干态的木片树皮堆密度约为260公斤/立方米,而吸水后的堆密度可达600公斤/立方米左右,其水分持留能力可达自身重量的二倍以上。

(5)高孔隙率。不规则的散堆木片树皮填料,你就是刻意要它不留孔隙也办不到,所以孔隙率也不会发生问题。

(6)较低的体密度。干态的木片树皮堆密度仅260公斤/立方米左右,就是吸湿到极限木片树皮也会浮在水面上,以没有孔隙的立方体计算,其体密度也不会大于1000公斤/立方米,何况是散堆状的木片树皮填料,所以体密度不会造成填料压实问题。

上海羿清环保是一家专注于生物除臭的环保公司,其生产的生物除臭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认可。

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