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    橡胶皮革废气处理

    来源:WASHINGTOWER(传梦环保整理发布)   时间:2018-08-28

    橡胶皮革废气处理


    橡胶皮革废气处理

    橡胶皮革废气处理


    目前对于皮革行业异味废气处理的控制方法有:直燃焚化法、触媒焚化法、活性碳吸附法、吸收法、冷凝法等。

    一、皮革行业异味废气处理技术

    1、燃烧法适用于可燃或高温分解的物质,不能回收有用物质,但可回收热量;

    2、吸收法适用于浓度较高、温度较低和压力较高废气;

    3、冷凝法适于废气体积分数10-2以上的有机蒸气,常作为其它方法的前处理,冷凝法在5,000ppm以上方有良好的去除效率且一般常应用在溶剂回收上;

    4、吸收法的适用范围虽为250~10,000ppm,但只针对少部分水溶性较佳的挥发性有机物;吸附法在大气污染控制领域;

    5、低温等离子体除臭适应范围广泛,对《国家恶臭污染控制标准》中规定的八大恶臭物质(氨、硫化氢、二硫化碳、甲硫醇、甲硫醚、二甲二硫、三甲胺、苯乙烯)以及VOC类,苯、甲苯、二甲苯等废气均能有效治理净化,特别适合处理各种恶臭废气、腐臭废气等。

    橡胶皮革废气处理方法及应用设备

    皮革厂产生的废气一般来自皮革生产过程中,原料的存放出现的皮革的腐败和变质,有的气味是在皮革加工过程中洗皮或者脱脂工艺中,和灰皮过程中产生的气味,这些废气对环境和人体都有很大的危害。处理方法如下

    UV光解设备处理橡胶皮革废气

    UV光解设备是目前工业恶臭废气处理技术中最先进的技术之一,“UV高效光解氧化模块”的设计和开发充分考虑了工业恶臭废气性质的不确定性和复杂性,从工程的设计、配套、安装、调试、维护等方面提供了极大的可行性、可靠性、灵活性。

    UV光解设备工作原理如下:

    (1)利用特定波段(253.7nm)的紫外线对恶臭气体的分子链进行破坏,将其大分子结构打碎变成小分子结构。聚乙烯、聚丙烯等大分子聚合物会被分解成小分子。

    (2)利用特定波段(185nm)波段的紫外线使空气中的氧分子产生游离态的氧,即活性氧,因游离氧所携正负电子不平衡所以需与氧分子结合,进而产生臭氧。

    (3)在催化剂(TiO2)的作用下,臭氧将打碎的恶臭气体分子氧化成CO2和H2O等无机物,从而达到治理目的。

    低温等离子除臭设备处理橡胶皮革废气

    低温等离子除臭设备是高科技环保净化产品,离子除臭净化系统是采用自行开发的纳米光子发生管作为装置的核心部件,耦合催化功能,以每秒百万次的频率不断撞击异味分子,对异味进行高效能的分解,产生出大量高能离子体,使之分子结构变的不稳定,离子降解复合离子除臭杀菌。对皮革产生的恶臭废气具有针对性的治理。

    洗涤塔|喷淋塔|旋流板塔处理橡胶皮革废气

    洗涤塔|喷淋塔|旋流板塔一般为立式喷淋洗涤填料塔,内部喷头和填料层交替分布。填料具有较大的比表面积,用于增加两种流体间的接触面积。废气由底部进入,经填料层和除雾器后,由顶部排出。液体被水泵送到喷头喷出,向下降落,经填料层回到水箱。废气中的杂质粘附在填料上,后在水流作用下进入水箱,达到截留目的。水箱中的杂质需定期清理,污水需定期排放。

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