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2020-12-17
恶臭废气处理几种方法的特点
恶臭废气处理有什么方法?恶臭废气处理几种方法的特点。恶臭废气处理方法可分为生物净化法、活性炭吸附法、等离子法、喷淋法等几类。恶臭污染的防治目标之一是要达到恶臭污染物排放标准中规定的恶臭物质排放标准,目的是要消除恶臭,创造一个无臭的工作、生活环境。
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恶臭废气处理几种方法的特点
Date﹕2020-12-17|Source:Eclear Environmental
       恶臭废气处理方法可分为生物净化法、活性炭吸附法、等离子法、喷淋法等几类。恶臭污染的防治目标之一是要达到恶臭污染物排放标准中规定的恶臭物质排放标准,目的是要消除恶臭,创造一个无臭的工作、生活环境。

恶臭废气处理设备


       针对产生臭气的污染源不同,及考虑设备投资和运行成本,不同技术恶臭废气处理方法特点对比:

       1、生物恶臭废气处理法工作原理:利用培养出的微生物,将恶臭气体中的有机污染物质,降解或转化为无害或低害类物质。

       生物法恶臭废气处理效率:微生物活性好时除臭净化效率可达90%,随微生物活性降低除臭效率降低,对高浓度气体处理效果不理想。

       处理气体成分:需要培养专门微生物处理,只能处理一种或几种性质相近的气体。

       生物法恶臭废气处理特点:运行维护费用较低,但需经常投放营养剂保持微生物的活性,而且对水量要求也高。水过多,会使微生物发生厌氧反应,过少,又会使填料开裂,使臭气漏出,导致处理效率下降。易产生污泥、污水。

       2、活性炭吸附法工作原理:利用活性炭内部孔隙结构发达,有巨大比表面积,来吸附(通过范德华力,即分子间作用力)恶臭气体分子。

       活性炭除臭净化效率:前期除臭效率可达85%,后期效率降低甚至失效,需要经常更换。

       活性炭吸附法净化法特点:适用于低浓度、大风量臭气,对醇类、脂肪类效果较明显。但处理含水量大的气体效果不好。所使用的活性碳必须经常更换,并需寻找废弃活性碳的处理办法,运行维护成本很高,一般为二级处理。易造成环境二次污染。

       3、等离子法工作原理:利用电子、离子、自由基和中性粒子小于分子,能够顺利进入分子内部,打开分子链,破坏分子结构的原理,以每秒钟300万至3000万速度的等量发射和回收,轰击发生臭气的分子,从而发生氧化等一系列复杂的化学反应,将有害物转化为无害物质。

       等离子除臭净化效率:适合低浓度的恶臭气体净化,正常运行情况下除臭效率可达90%。

       等离子法对恶臭气体净化特点:能处理多种臭气组成的混合气体。用电量大,且还需要清灰,运行维护成本高。无二次污染。

       4、喷淋法工作原理:过喷淋塔将恶臭气体捕捉到液体(可以是清水、化学试剂溶液、强氧化剂溶液或是有机溶剂)中,附着于颗粒物质上的臭气分子通过湿法吸收氧化后被从空气中去除。

       喷淋法除臭净化效率:对低浓度、大风量恶臭气体处理效果较好,可达85%,流量大时处理效果不太理想。

            喷淋法对恶臭气体的净化特点:需根据处理气体的种类选用不同的喷淋液。碱洗对硫化氢、脂肪酸类有效。需定期加入喷淋液,且需维护设备,运行维护费用高。易造成二次污染。

恶臭废气处理

          上海羿清环保科技有限公司是一家处理恶臭废气的环保公司,羿清环保生产的臭气处理设备具有除臭效果好,除臭效率高,不会产生二次污染,运行成本低的特点。如果你有恶臭废气方面的困扰可以随时留言!

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