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2020-07-09
羿资讯 | 公司总经理吴亮在学术期刊发表污水除臭废气治理技术应用的学术论文
上海羿清环保科技有限公司总经理吴亮,在学术期刊广东化工上发表了题为“新型光催生物联用技术在污水除臭废气治理中的应用”的学术论文。光催-生物联合法的技术运用,基于羿清环保长期从事污水站恶臭废气处理的项目经验,其光催-生物联合技术,相比单生物法能大大增强处理效果,处理过程中,催化剂可选择性地促进催化氧化反应产生的副产物反应,得到无污染的物质。
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羿资讯 | 公司总经理吴亮在学术期刊发表污水除臭废气治理技术应用的学术论文
Date﹕2020-07-09|Source:Eclear Environmental


近日,上海羿清环保科技有限公司总经理吴亮,在学术期刊广东化工上发表了题为“新型光催生物联用技术在污水除臭废气治理中的应用”的学术论文。


1.1光催化氧化处理阶段

污水站光催化装置是羿清环保与华东理工大学材料学院合作开发的高效废气处理设备。

该设备的工艺主要工作原理是:

废气进入预处理段,废气经过高效吸附材料,去除废气中的粉尘、水雾、油雾等颗粒物。随后进入耦合吸附光催化单元,在贵金属耦合纳米催化剂的作用下利用高能紫外线照射,使有机或无机高分子及恶臭化合物分子链断开,分解为CO2、H2O、N2、S等。该催化剂为本公司专利产品,具有化学性质稳定、清洁高效、能耗低、操作简单、无二次污染、价廉易得、反应条件温和,光解迅速等优点。


1.2生物滤池处理阶段

生物滤池工艺由气体输送装置、喷淋装置和过滤塔主体三个部分组合而成,生物滤池的填料层是具有吸附性的滤料,如土壤、堆肥、活性炭等。废气中恶臭物质及少量有机恶臭化合物通过加压预湿,废气中的污染物溶解于水中,由气膜扩散进入液膜,而后,污染物在生物滤池内与填料层表面的生物膜相接触,有机物从气相转移到生物膜,进而被微生物捕捉、代谢分解利用并吸收,进而微生物将污染物转化为生物能量、新陈代谢副产品或者被转化成二氧化碳、水和其他的分子物质。这一方法主要是利用微生物的生物化学作用,使污染物分解,转化为无害的物质,最后将净化后的气体排出。

光催-生物联合法工艺流程示意图

光催-生物联合法的技术运用,基于羿清环保长期从事污水站恶臭废气处理的项目经验,其光催-生物联合技术,相比单生物法能大大增强处理效果,处理过程中,催化剂可选择性地促进催化氧化反应产生的副产物反应,得到无污染的物质。光催-生物联合作用净化废气可大大减少能耗、降低成本、处理效果良好。同时在5根灯管条件下,废气处理效果最好,这是因为该光强条件下一方面可以光解有机物,另一方面产生的臭氧对后段生物滤池处理效率有提高作用。该工艺设备性能好,运行费用较低,具有良好的经济性及实用性,废气经过处理后,符合《城镇污水处理厂污染物排放标准》(GB18918-2002)二级臭气排放标准和《大气污染物综合排放标准》(GB16298-1996)。


本工艺非常适合高浓度有机废气,除臭的同时实现废气中的有机物完全分解为CO2和H2O,解决废气污染问题。整套设备可 以实现自控系统管理,工艺流程设计合理,便于管理,使运行更 安全。


          光催-生物联合处理过程中,催化剂不消耗,运行维护费用低。结构简单、占地面积小、安装便捷,过程中无药剂添加、无废水产生、无二次污染。该项技术目前成功地应用于治理市政污水池废气、橡胶厂污水废气以及化工厂污水池废气等方面,均得到了较好的净化效果,具有广阔的推广前景。



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