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VOC废气设备中生物净化工艺流程及特点

2020-10-25 11:47:44

GONGYEYUANVOCsPAIFANGLIANGJIAODADEHUANJIEWEI“HANVOCsCHANPINDESHIYONGGUOCHENG”:RUZHUANGBEIZHIZAOYETUZHUANG、BANDAOTIYUDIANZISHEBEIZHIZAO、BAOZHUANGYINSHUA、SULIAOHEXIANGJIAOZHIPINSHENGCHAN、RENZAOGE、RENZAOBANSHENGCHAN、ZAOZHI、FANGZHI、YINRANDENG;QICIFENBIESHI“VOCsCHANPINDESHENGCHANGUOCHENG”(RUSHIYOULIANZHI、SHIYOUHUAGONG、MEIHUAGONG、YOUJIHUAGONGDENG)、“HANVOCsCHANPINDECHUCUN、YUNSHUHEYINGXIAO”(BAOKUOYUANYOU、CHENGPINYOU、RONGJI、SHENGCHANYUANCAILIAOHECHANPINDECHUCUN/ZHUANDEYUN/XIAOSHOU)HE“YIHANVOCsCHANPINWEIYUANLIAODESHENGCHANGUOCHENG”(RUTULIAO、YOUMO、GAOFENZI、JIAONIANJI、SHIPIN、RIYONGPIN、YIHUAGONG、LUNTAIZHIZAODENG)。VOCFEIQISHEBEISHIYIZHONGNENGQUCHUHUIFAXINGYOUJIWU(VOC)、WUJIWU、LIUHUAQING、ANQI、LIUCHUN、BENDENGWURANWUGEZHONGCHOUWEIDESHEBEITUOCHOUXIAOGUOCHAOGUOWOGUOBANBUDEECHOUWURANWUPAIFANGBIAOZHUN,TAJUYOUSHIYINGXINGQIANG、YUNXINGCHENGBENDI、WUXUYUCHULIHESHEBEIZHANDIMIANJIXIAODENGTEDIAN,ZIWAIGUANGGUANGCUIHUAQUCHOUSHEBEITEBIESHIYONGYUWUSHUICHULICHANGSUOCHANSHENGHUIFAXINGYOUJIFEIQI、LIUHUAQING、LIUHUAHEWU、ANDENGECHOUQITICHENGFENTUOCHOUJINGHUA,XIAOGUOLIGANJIANYING。

YI、VOCFEIQISHEBEIZHONGSHENGWUJINGHUAGONGYILIUCHENGJITEDIAN

(1)SHENGWUJINGHUAGONGYINENGGOUJIANGJIEYISHANGGEXINGYEXIANGGUANXITONGCHANSHENGDELIUHUAQING、AN、JIAWAN、3-KAN、JIALIUCHUN、JIALIUMI、ERJIAERLIU、ERLIUHUATANHEBENYIXIDENGWURANWUZHI,ZHEIXIEECHOUCHENGFENZHUYAOSHISHUIZHONGYOUJIWUZAIQUEYANGTIAOJIANXIADECHANWU。HOUDUANGUOLVCHUANGGENJUFEIQIYUANTIAOJIANKEXUANPEI,YIQIANGHUACHULI。(RUHUOXINGTANXIFUQUCHOU、ZHIWUYEQUCHOUDENG)。

(2)GECHOUQIYUANDIANDECHOUQIJINGJIQIXITONGFUYASHOUJIHOU,TONGGUOLIXINFENGJIDECHOUSONG,BEIZHIJIEDAORUXIDI-SHENGWULVCHUANGQUCHOUSHEBEI。QIANDUANXIDICHUANGJUYOUCHUCHEN、DIAOJIECHOUQIDESHIWENDU、XIAOJIANFENGZHINONGDUCHONGJI、QUCHUBUFENSHUIRONGXINGWUZHIDENGGONGNENG。ZAIHOUDUANDEDUOJISHENGWUGUOLVCHUANGNEI,TONGGUOQIYE、YEGUCHUANZHIYOUDUOZHONGWEISHENGWUJIANGZHICHOUWUZHIJIANGJIE。

(3)HANLIUXILIECHOUQIBEIYANGHUAFENJIECHENGS、SO32-、SO42-。LIUHUANGYANGHUAJUNDEZUOYONGSHIQINGLILIUHUAQING、JIALIUCHUN、JIAJIHUALIUDENGLIUHUANGHUAHEWU。HANDANXILIECHOUQIBEIYANGHUAFENJIECHENGNH4+、NO2-、NO3-,XIAOHUAJUNDENGDANHUAJUNDEZUOYONGSHIQINGLIECHOUCHENGFENZHONGDEDAN。

(4)DANGECHOUQITIWEIH2SSHI,ZIYANGXINGLIUYANGHUAJUNHUIZAIXIANGYINGDETIAOJIANXIAJIANGH2SYANGHUACHENGLIUSUANGEN;DANGECHOUQITIWEIYOUJILIURUJIALIUCHUNSHI,ZEQIXIANXUYAOYIYANGXINGWEISHENGWUJIANGYOUJILIUZHUANHUACHENGH2S,RANHOUH2SZAIYOUZIYANGXINGWEISHENGWUYANGHUACHENGLIUSUANGEN。H2S+O2+ZIYANGLIUHUAXIJUN+CO2→HECHENGXIBAOWUZHI+SO42-+H2OCH3SH→CH4+H2S→CO2+H2O+SO42-DANGECHOUQITIWEINH3SHI,ANXIANYUSHUIFANYINGSHENGCHENGANSHUI,RANHOUZAIYOUYANGTIAOJIANXIA,JINGYAXIAOSUANXIJUNHEXIAOSUANXIJUNDEXIAOHUAZUOYONGZHUANWEIXIAOSUAN,ZAIJIANXINGYANYANGTIAOJIANXIA,XIAOSUANYANHAIYUANXIJUNJIANGXIAOSUANYANHAIYUANWEIDANQI。

FANXIAOHUA:HNO3→HNO2→HNO→N2O→N2;

HNO2+O2→HNO3+H2O;

XIAOHUA:NH3+O2→HNO2+H2O;

ER、VOCFEIQISHEBEIRUHEJIANGJIEWURANWU?

(1)VOCFEIQISHEBEIDEYUANLIYOUHUOXINGTANXIFUFA、CUIHUARANSHAOFA、CUIHUAYANGHUAFA、SUANJIANZHONGHEFA、SHENGWUXIDI、SHENGWUDILVFA、DENGLIZIFADENGDUOZHONGYUANLI。FEIQICHULITACAIYONGWUZHONGFEIQIXIFUGUOLVJINGHUAXITONG,FEIQIJINGHUACHULISHEJIZHOUMI、CENGCENGJINGHUAGUOLVFEIQI,XIAOGUOHAO。

(2)FEIQIDEZHONGLEIPODUO,YINCIZHENDUIXIANGYINGDEFEIQI,CAIYONGKECHUANGJISHU,JINXINGJISHUDEDEZUHEYUCHAIFEN,NENGGOUHAOJIAOKUAIDEDUIWURANWUJINXINGQUCHU。LIRUDIWENDENGLIZIJISHUYUUVGUANGJIEJINGHUADEZUHE、ZHUANLUNNONGSUOHEGAOWENDENGLIZITIFENSHAOJISHUDEZUHE。

(3)YIDIWENDENGLIZIJISHUYUUVGUANGJIEJINGHUADEZUHEWEILI,ZHEILIANGZHONGFANGFADEXIETONGYUNZUO,SHIQIGONGZUOQUYUXIANGHURONGHE,ZENGQIANGLEDIANZIDEERCIJIFA,XINGCHENGCHANGQIANGJIAQIANGQU,FANGDALEGEZIDEJIANGJIESULV,SHIWURANWUJIANGJIE。