常见的七种废气处理工艺
关键词:废气处理
由于废气的种类不同,选择的废气处理工艺也是有区别的,国内比较常用的方法有冷凝法、吸收法、燃烧法、催化法、吸附法等生物法、低温等离子法等是近几年国外研发出来的一种新技术、新工艺,下面,广绿环保技术人员就对常见的七种废气处理工艺作分别进行简要介绍。
常见的七种废气处理工艺
1、冷凝回收法
ZHEIZHONGFANGFAYAOQIUFEIQIWUZHONGDEYOUJIWUDENONGDUJIAOGAO,YIBANZAIJIWANSHENZHIJISHIWANppm,DUIYUDINONGDUYOUJIFEIQICIFABUSHIYONG。TADEJIBENYUANLISHITUZHUANGXIANPAICHUDEFEIQIWUJINGGUOLENGNINGQILENGNING,RANHOUZAIJIANGLENGNINGHOUDELENGNINGYEJINXINGFENLI,FENLICHUKEHUISHOUQIEYOUJIAZHIDEYOUJIWU。
2、吸收法
HUAXUEXISHOUHEWULIXISHOUSHIXISHOUFADELIANGZHONGXINGSHI,DANSHIHUAXUEXISHOUYINGYONGBIJIAOSHAO,YINWEIJUEDADUOSHUFEIQIWUDOUBUNENGCAIYONGHUAXUEXISHOU。WULIXISHOUZHUYAOYINGYONGZAIZHONGGAONONGDUDEFEIQI,TADEYUANLI:FEIQIWUJINGGUOWULIXISHOUHOUPAIFANGDAODAQIZHONG,DANGWULIXISHOUDEXISHOUYEBAOHEHOU,YAOJINXINGJINGJIEXIHUOJINGLIUHOUKEYIZHONGXINLIYONG。BENFADEERCIWURANWENTIJIAONANJIEJUEQIEJINGHUAXIAOGUOBULIXIANG。
3、直接燃烧法
ZHIJIERANSHAOFADEGONGYIBIJIAOJIANDAN,JIAOSHIYONGZAIGAONONGDUDEFEIQIZHILIZHONG。TADEYUANLISHI:LIYONGRANLIAOJIANGSHOUJIDAODEFEIQIHUNHEWUJINXINGJIARE,JIANGQIJIAREDAO700~800℃,BINGTINGLIU0.3~0.5s,ZAIGAOWENXIAKERANDEYOUHAIWUZHIFANGKEFENJIEBIANWEIWUHAIWUZHI。
4、催化燃烧法
BENFASHIBAFEIQIJIAREDAO200~300℃JINGGUOCUIHUACHUANGCUIHUARANSHAOZHUANHUACHENGWUHAIWUCHOUDEERYANGHUATANHESHUI,DADAOJINGHUAMUDE。GAIFASHIYONGYUGAOWEN、ZHONGGAONONGDUDEYOUJIFEIQIZHILI,GUONEIWAIYIYOUGUANGFANSHIYONGDEJINGYAN,XIAOGUOLIANGHAO。GAIFASHIZHILIYOUJIFEIQIDEYOUXIAOFANGFAZHIYI,DANDUIYUDINONGDU、DAFENGLIANGDEYOUJIFEIQIZHILICUNZAISHEBEITOUZIDA、YUNXINGCHENGBENJIAOGAODEQUEDIAN。
5、吸附法
1)直接活性炭吸附法
ZHEIZHONGFANGFASHEBEIBIJIAOJIANDAN、TOUZIJIAOXIAO,TASHIJIANGTUZHUANGXIANPAICHUDEYOUJIFEIQI,JINGGUOHUOXINGTANDEJINXINGXIFU,XIFULVZAI90%YISHANG。CIFANGFAHUOXINGTANDADAOBAOHEHOUWUFAJINXINGZAISHENG,XUYAODUIQIJINXINGDINGQIGENGHUAN,FANGKEBAOZHENGJINGHUAXIAOGUO。GENGHUANSHIHUIDAOZHIZHUANGXIE、YUNSHUDENGGUOCHENGZHONGZAOCHENGERCIWURAN,HUOXINGTANCHENGBENBIJIAOGAOQIEBAOHEHUOXINGTANXUYAOZHUANMENCHULIJIGOUCHULI,CHULIFEIYONGJIAOGAO,YINCIQIZHIJIEHUOXINGTANXIFUDEYUNXINGCHENGBENXIANGDANGGAO。
2)XIFU—HUISHOUFA
GAIFALIYONGGUOREZHENGQIFANCHUIXIFUBAOHEDEXIFUJIJINXINGTUOFUZAISHENG,ZHENGQIYUTUOFUCHULAIDEYOUJIQITIJINGLENGNING、FENLI,KEHUISHOUYOUJIYETI。GAIFAJINGHUAXIAOLVJIAOGAO,DANYAOQIUTIGONGBIYAODEZHENGQILIANG。LINGWAIYOUJIRONGJIYUSHUIDEFENLIBUHENCHEDI,DEDAODEHUNHEYETIPINZHIBUGAO,ZUFENJIAOWEIFUZA,ZHEIXIEYOUJIYETIWUFAZHIJIEYONGDAOSHENGCHANZHONG,YAOZAICAIYONGZHENGLIU、JINGLIU、CUIQUDENGDUODAOCHENGXUCHULI。
3)XINXINGXIFU—CUIHUARANSHAOFA
CIFANGFAZHUYAOJIEJUEDINONGDU、DAFENGLIANGFEIQIWUDECHULI,TAZONGHELEXIFUFAHECUIHUARANSHAOFALIANGZHEDEYOUDIAN。TADEJIBENYUANLISHI:DINONGDUDETUZHUANGXIANFEIQIWU,XIANTONGGUOXINXINGHUOXINGTANJINXINGXIFU,BAOHEHOUJIQITONGRUREKONGQIJINXINGJIARE,JIANGYOUJIFEIQICONGHUOXINGTANZHONGTUOFUCHULAI,ZHEISHIFEIQIWUJIUCONGDINONGDUBIANCHENGLEGAONONGDUFEIQIWU,RANHOUJIANGZHEIXIEGAONONGDUDEFEIQIWU,ZAISONGRUDAOCUIHUARANSHAOCHUANGRANSHAO。ZHEIZHONGFANGFAZHENGZAIDEDAOTUIGUANGJIRENKE,SHIBIJIAOSHIYONGFEIQICHULIXIAOGUOBIJIAOHAODEYIZHONGFANGFA。
6、低温等离子技术
DIWENDENGLIZIJISHUBIJIAOSHIYONGYUDINONGDU、XIAOFENZIFEIQIWUDECHULI,TASHIJIGU、YE、QIZHEISANZHEZHIHOUDEDISITAI,DANGWAIJIADIANYAZHIQITIZHEHUODIANDIANYASHI,QITIJICHUAN,CHANSHENGYIXINHUNHETI。ZHISUOYICHENGWEIDIWENDENGLIZISHIYOUYU,ZAIFANGDIANDEGUOCHENGZHONGSUIRANDIANZIDEWENDUDADAOHENGAO,DANZHONGLIZIWENDUQUEHENDI,ZHISHIZHENGGETIXICHENGXIANDIWENZHUANGTAI。
7、光催化技术
GUANGCUIHUAJISHUSHISHIYONGYUDINONGDUFEIQIWUDECHULIFANGSHIZHIYI,TASHIJIANGTiO2ZUOWEICUIHUAJI,FANYINGTIAOJIANBIJIAOWENHE,GUANGJIESUDUJIAOKUAI,GUANGCUIHUADECHANWU:CO2、H2OHUOQITA,TADEYINGYONGFANWEIBIJIAOGUANG,BAOKUOQUAN、TONG、ANDENGYOUJIWUFEIQIWU,DOUKELIYONGTiO2JINXINGGUANGCUIHUAQINGCHU。QIZHUYAOJILISHI:CUIHUAJIXISHOUGUANGZI,YUBIAOMIANDESHUIFANYINGCHANSHENGYIZHONGBIJIAOZHUYAODEHUOXINGWUZHI,TADUIGUANGCUIHUADEYANGHUAQIZHEJUEDINGXINGZUOYONGDEQIANGJIZIYOUJI(?OH)。HAIHUICHANSHENGYIZHONGHUOXINGYANGWUZHI(?O,H2O2)。
以上就是关于常见的七种废气处理工艺的介绍,废气处理主要是指针对工业场所产生的工业废气诸如粉尘颗粒物、烟气烟尘、异味气体、有毒有害气体进行治理的工作。常见的废气处理有工厂烟尘废气净化、车间粉尘废气净化、有机废气净化、废气异味净化、酸碱废气净化、化工废气净化等。
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