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2022-01-24
除臭设备厂家的臭气治理方式
除臭设备厂家是怎么治理臭气,除臭设备厂家的臭气治理方式介绍。随着城市发展的加快,污水和污泥处理设施越来越接近居民区,而由于恶臭气味引起的污染公害事件时有发生。除臭设备厂家如何解决城市污水处理厂在运行过程中产生的恶臭气体问题呢?
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除臭设备厂家的臭气治理方式
Date﹕2022-01-24|Source:Eclear Environmental

除臭设备厂家怎么治理臭气,除臭设备厂家的臭气治理方式。近年来,随着城市发展的加快,污水和污泥处理设施越来越接近居民区。生活污水站在污泥的处理过程中会产生大量的臭气,而由于恶臭气味引起的污染公害事件时有发生。除臭设备厂家如何解决城市污水处理厂在运行过程中产生的恶臭气体问题呢?

1、恶臭气体问题是什么产生的?

臭气会给人一种不愉快的感觉,甚至危及人类健康。污水处理厂的臭气成分分为三类:H2S、硫醇、硫醚、氨、胺、酰胺、消炎等氮化合物、醇、酚、醛、酮、有机酸等氧有机物。H2S、NH是气味的主要成分。

 除臭设备厂家怎么治理臭气,除臭设备厂家的臭气治理方式


2、除臭设备厂家的臭气治理方式

常用的除臭方法有:活性炭吸附、电离除臭、燃烧除臭、洗涤除臭、纯天然植物提取物喷雾和生物除臭。

 

  1. 活性炭吸附法。活性炭吸附除臭法是在吸附塔中设置不同性质的活性炭。通过吸附除臭物质来达到除臭的目的。活性炭饱和后,需要再生或更换,成本高,劳动强度高,再生活性炭吸附能力降低。

     

  2. 电离除臭法。电离除臭法是利用高压静电脉冲放电形成不平衡低温等离子体、羟基自由基等自由基团,产生臭氧,氧化除臭小分子H2S、NH和有机物。该方法适用于处理低浓度、大风量的恶臭气体。

     

  3. 燃烧除臭法。燃烧除臭法包括直接燃烧法和催化燃烧法。直接燃烧是在高温下充分混合燃料气高温下充分混合,实现完全燃烧,最终形成CO和水蒸气。恶臭气体与燃烧气体的混合气体在200~4000C发生氧化反应,以去除恶臭气体。在污水处理厂,污泥消化产生的沼气经常被用来燃烧一些强气味,但工程实例很少。

     

  4. 洗涤除臭法。洗涤除臭法是将气相中的污染物成分通过气液接触转移到液相中。分为水清洗和药液清洗。添加碱性物质或氧化剂等化学物质可以提高硫化氢的去除效果。洗涤除臭法问题在于对部分的挥发性有机物没有效果。

     

  5. 纯天然植物提取物喷涂法。其原理是通过雾化天然植物提取物,让雾化分子均匀分散在空气中。吸收空气中的气味分子,使气味分子更容易与空气中的其他分子或氧气发生反应。这是一种广泛使用、安全和有效的方法。但去除气味浓度的效果并不好。

     

    生物除臭法是利用微生物降解恶臭物质,转化为简单的无害无机物,气味浓度相对较低或无臭。目前,填充式微生物除臭法应用广泛。该方法利用以下原理达到除臭目的:当废气通过填料层时,气味中的恶臭物质溶解在水中,被填料表面的微生物吸附。然后被微生物分解,达到净化气体的目的。

     

    以上就是关于“除臭设备厂家怎么治理臭气,除臭设备厂家的臭气治理方式”的相关内容,根据上述除臭方法的分析。活性炭吸附法、电离除臭法和燃烧除臭设备投资高。管理复杂,运行成本高。洗涤除臭法必须配备更多的辅助设施。如药液储存装置、药液输送装置、排放装置等,运行管理复杂,运行成本高。与药液无反应的恶臭物质难以去除。对于除臭设备厂家而言,虽然生物除臭技术占地面积大,但是污染物排放效率是更为可行的技术方案。

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