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2021-06-03
恶臭废气处理的臭气来源是什么
在生活污水和工业污水收集和输送过程中,由于污水在无法补充足够溶解氧的管网中长时间停留形成厌氧条件,污水中的碳水化合物、蛋白质、脂肪等物质被厌氧微生物利用进行合成和分解,从而形成恶臭气体向周围区域发散。
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恶臭废气处理的臭气来源是什么
Date﹕2021-06-03|Source:Eclear Environmental

在生活污水和工业污水收集和输送过程中,由于污水在无法补充足够溶解氧的管网中长时间停留形成厌氧条件,污水中的碳水化合物、蛋白质、脂肪等物质被厌氧微生物利用进行合成和分解,从而形成恶臭气体向周围区域发散。

恶臭废气处理的臭气来源是什么

污水脱离排水管道中的厌氧环境后,进入污水厂的配水区域。水流在经过进水提升泵房时发生剧烈扰动,不断释放原本已溶解在污水中的恶臭污染物。污水在途经格栅和沉砂池时,较大悬浮物会被截留,而其中的有机物在较长的截流停留时间中不断发酵,产生大量恶臭气体(主要以含硫物质为主)

污水中的有机氮在厌氧环境下转化为氨氮。在有机物降解过程中不断生成脂肪酸等酸性物质,将氨大量转化为不可挥发的铵离子。随着脂肪酸等有机物不断被分解成二氧化碳和水,氨最终主要以碳酸氢铵的形式存在。碳酸氢铵的热稳定性极差,易发生热分解,而从水中溢出的氨气释放出强烈的刺激性异味,且随温度上升越不稳定。

污泥处理过程需较长的停留时间,易形成厌氧环境,进而引起恶臭污染物从污泥有机物中产生并释放。污泥干化过程中产生的恶臭气体为非常温气体,随着温度的升高、污泥含水率的降低,污泥中的各类有机及无机物会发生分解挥发。在污泥干化过程中,碳水化合物分解生成的二氧化碳等酸性物质与溶于水的氨反应生成碳酸氢铵,继而被分解成氨气释放。

上诉恶臭废气如果不及时进行处理就会危害人们的身体健康,上海羿清环保生产的生物滤池恶臭废气处理设备就能够有效处理上诉恶臭气体,而且不会产生二次污染,受到一致好评。

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