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2021-06-03
垃圾站除臭设备的除臭技术比较
目前,各种除臭技术不断发展,除臭效果不断提高。那么,哪种垃圾站除臭设备能够更好地进行臭气处理呢?接下来,我将具体阐释一下。
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垃圾站除臭设备的除臭技术比较
Date﹕2021-06-03|Source:Eclear Environmental

目前,各种除臭技术不断发展,除臭效果不断提高。那么,哪种垃圾站除臭设备能够更好地进行臭气处理呢?接下来,我将具体阐释一下。

垃圾站除臭设备的除臭技术比较

臭气源抑制技术

臭气源抑制技术是向排水管线内投加硝酸盐等化学药剂破坏厌氧环境或氢氧化镁等碱性物质沉淀硫离子,进而抑制恶臭污染物的产生。由于成本较高,目前尚未大规模应用。

臭气源收集技术

臭气源收集处理技术即对污水厂内部恶臭气体进行封闭收集、传输与净化处理,主要包括构筑物上的集气罩、输送臭气的风机和连接集气罩与处理系统的管道。风机的选取根据输送气体的性质和风量范围进行确定,换气量决定除臭工艺的处理效果和成本。

臭气污染净化技术

臭气污染的净化技术有:物理法(掩蔽法、稀释扩散法)、燃烧法(直接燃烧法、催化燃烧法)、洗涤法(酸碱液洗涤法、植物洗涤法、清水洗涤法)、吸附法(活性炭等)、化学氧化法(臭氧氧化法、催化氧化法)、离子体法、生物法(生物过滤法、生物滴滤法、生物洗涤法)[22]

掩蔽法是在臭气源设施周围喷洒芳香药剂掩蔽或调和恶臭的感官气味,由于排放浓度和大气条件的不断变化,除臭效果并不明显。稀释扩散法是以干净的空气将恶臭气体稀释,从而减少臭气干扰。燃烧法是将恶臭物质高温氧化为无臭无害的二氧化碳和水,可分为直接燃烧和催化燃烧,由于能源消耗较高还未大规模推广。洗涤法是利用气液接触,使气相中的致臭成分转移至液相,洗涤液中的化学药剂或植物提取液与其发生酸碱中和等化学反应,从而去除恶臭分子。

上海羿清环保采用生物除臭技术,该技术被认为是目前除臭效果最好,而且不会产生二次污染,已经得到业内人士的一致认可和广泛采用。

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