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絮凝—微波辐射—Fenton试剂氧化法深度处理焦化废水

文章出处:未知网责任编辑:作者:admin人气:发表时间:2020-08-21 14:06
作者:袁茂彪,马雄风,王书萍,颜家保,杨 洋,许龙龙(武汉科技大学 化学工程与技术学院,湖北 武汉 430081)


  [ 摘要] 用絮凝—微波辐射—Fenton试剂氧化法深度处理焦化废水,研究了微波辐射时间、微波功率、FeSO4加入量、H2O2加入量和废水pH对废水处理效果的影响。实验结果表明:在聚合氯化铝加入量为350 mg/L、聚丙烯酰胺加入量为12 mg/L、废水pH=5、FeSO4加入量为250 mg/L、H2O2总加入量为1 400 mg/L、H2O2分3次投加、微波功率为400 W、微波辐射时间为60 min的条件下,处理后出水的浊度、色度和COD去除率分别为98.59%,97.62%,86.21%。处理后出水澄清透明,COD为50.34 mg/L,满足GB 50050—2007《工业循环冷却水处理设计规范》的要求。

  [ GUANJIANCI] XUNING;WEIBO;FENDUNSHIJIYANGHUA;SHENDUCHULI;JIAOHUAFEISHUI

  JIAOHUAFEISHUICHANSHENGYUMEIDEGAOWENGANLIU、MEIQIJINGHUAJIHUAGONGCHANPINJINGZHIGUOCHENG [1-3],SHIYIZHONGNANSHENGWUJIANGJIEYOUJIFEISHUI。JIAOHUAFEISHUIBUJINHANYOUDALIANGDEANYAN、QINGHUAWU、LIUQINGSUANYANDENGWUJIWURANWU,HAIHANYOUFEN、NAI、KUILIN、BIDING、ENDENGZAHUANJIDUOHUANFANGXIANGZUHUAHEWU[4]。HUOXINGWUNIFAKEYOUXIAOQUCHUJIAOHUAFEISHUIZHONGDADUOSHUWUJIHEYOUJIWURANWU,DANDUIYUYOUDU、NANSHENGWUJIANGJIEDEKERONGXINGWURANWUWUFAWANQUANQUCHU。MUQIAN,XUDUOJIAOHUACHANGYIXUNINGFAZUOWEIFEISHUISHENDUCHULIDEZHUYAOGONGYI,CHULIHOUDEFEISHUIJINNENGDADAOGUOJIAPAIFANGBIAOZHUN[5],NANYIDADAOGONGYEXUNHUANLENGQUESHUIBIAOZHUN[6],BUJINZAOCHENGSHUIZIYUANDELANGFEI,SHENZHIHAIKENENGYINQIHUANJINGWURAN。

  XUNING—WEIBOFUSHE—FentonSHIJIYANGHUAFALIYONGXUNINGJICHUQUXIANGDUIFENZIZHILIANGJIAODADEYOUJIWU,ZAIYIFentonFANYINGSHENGCHENGQIANGYANGHUAXINGZIYOUJI·OH(YANGHUADIANWEI2.80 V)JIANGJIECANYUDEXIANGDUIFENZIZHILIANGJIAOXIAODEYOUJIWU。ZAIWEIBOZUOYONGXIA,KESHIFentonFANYINGSULVDAFUTIGAO,BINGQIEYOUJIWUKEYIYANGHUACHENGH2OHECO2,DIAOJIEpHKEQUCHUFEISHUIZHONGCANYUDEFe3+。GAIGONGYITOUZIHEYUNXINGCHENGBENDI,GONGYIJIANDAN,CAOZUOJIANBIAN,DONGLIXIAOHAODI,SHEBEIWEIXIUFANGBIAN。

  BENGONGZUOYIXUNING—WEIBOFUSHE—FentonSHIJIYANGHUAFACHULIMOUJIAOHUACHANGSHENGHUACHULIHOUDEJIAOHUAFEISHUI,CHULIHOUCHUSHUIKEYIDADAOGONGYEXUNHUANLENGQUESHUIBIAOZHUN,YIQIWEIJIAOHUAFEISHUIDESHENDUCHULITIGONGGONGYIYIJU。

  1 SHIYANBUFEN

  1.1 SHIJIHEYIQI

  JUHELVHUALV(PAC)、JUBINGXIXIANAN(PAM):GONGYECHUN;FeSO4、H2O2RONGYE、ZHONGGESUANJIA、LIUSUAN、QINGYANGHUANA:FENXICHUN。

  FEISHUIQUZIMOUJIAOHUACHANGSHENGHUACHULIHOUDEJIAOHUAFEISHUI,FEISHUISHUIZHIZHUYAOZHIBIAOJIANBIAO1。

  XH-300AXINGDIANNAOWEIBO-CHAOSHENGBOZUHEHECHENGCUIQUYI:BEIJINGXIANGHUKEJIFAZHANYOUXIANGONGSI;AL204XINGDIANZITIANPING:MEITELE-TUOLIDUOYIQI(SHANGHAI)YOUXIANGONGSI;T6XINGXINSHIJIZIWAI-KEJIANFENGUANGGUANGDUJI:BEIJINGPUXITONGYONGYIQIYOUXIANZERENGONGSI;PHS-25XINGpHJI:SHANGHAIJINGMIKEXUEYIQIYOUXIANGONGSI;JJ-4AXINGLIULIANTONGBUZIDONGJIAOBANJI:GUOHUADIANQIYOUXIANGONGSI;DIANZIWANYONGLU:BEIJINGSHIYONGGUANGMINGYILIAOYIQIYOUXIANGONGSI。

  1.2 SHIYANFANGFA

  QU400 mLFEISHUI,YONGNONGDUWEIl mol/LDELIUSUANHUONONGDUWEI2 mol/LDENaOHRONGYEDIAOJIEpH=7,JIAOBANXIAXIANHOUJIARUSHILIANGXUNINGJIPACYUPAM,YI120 r/minDEJIAOBANZHUANSUKUAISUJIAOBAN1 min,ZAIYI40 r/minDEJIAOBANZHUANSUMANSUJIAOBAN10 min,JINGZHI40 min。QU200 mLXUNINGHOUDEFEISHUI,YONGNONGDUWEIl mol/LDELIUSUANHUONONGDUWEI2 mol/LDENaOHRONGYEDIAOJIEpH,FANYINGWENDUWEI50 ℃TIAOJIANXIAJIARUYIDINGLIANGDEZHILIANGNONGDUWEI2 g/LDEFeSO4RONGYEHEZHILIANGNONGDUWEI20 g/LDEH2O2RONGYE。FANYINGYIDUANSHIJIANHOU,JIARUNONGDUWEI2 mol/LDENaOHRONGYEDIAOJIEpHZHI10,ZHONGZHIFentonSHIJIFANYING。JINGZHIYIDUANSHIJIAN,QUSHANGQINGYECEDINGCOD、SEDUHEZHUODU。

  1.3 FENXIFANGFA

  CAIYONGZHONGGESUANJIAFACEDINGCOD [7];CAIYONGBOGUBISEFACEDINGSEDU[7];CAIYONGLIUSUANJING-LIUCIJIAJISIANFACEDINGZHUODU[7]。

  2 JIEGUOYUTAOLUN

  2.1 WEIBOFUSHESHIJIANDEYINGXIANG

  DANGPACJIARULIANGWEI200 mg/L、PAMJIARULIANGWEI3mg/L、FEISHUIpH=3、FeSO4JIARULIANGWEI250 mg/L、H2O2JIARULIANGWEI1 200 mg/L、WEIBOGONGLVWEI400 WSHI,WEIBOFUSHESHIJIANDUIFEISHUICHULIXIAOGUODEYINGXIANGJIANTU1。YOUTU1KEJIAN:ZHUODUQUCHULVYIZHIWEICHIZAI95%YISHANG;WEIBOFUSHESHIJIANWEI0~50 minSHI,SEDUQUCHULVZHUJIANZENGDA;WEIBOFUSHESHIJIANWEI0~40 minSHI,CODQUCHULVZHUJIANZENGDA;SUIZHESHIJIANJIXUYANZHANG,YOUYUH2O2HANLIANGJIANGDI、Fe2+ZHUANHUAWEIFe3+,YINCICODQUCHULVYOUSUOJIANXIAO;DANGWEIBOFUSHESHIJIANWEI60 minSHI,COD、SEDU、ZHUODUQUCHULVHECHUSHUICODFENBIEWEI84.78%,95.55%,99.16%, 55.34 mg/L。YINCI,XUANZEZUIJIAWEIBOFUSHESHIJIANWEI60 min。

  2.2 WEIBOGONGLVDEYINGXIANG

  DANGPACJIARULIANGWEI200 mg/L、PAMJIARULIANGWEI3mg/L、FEISHUIpH=3、FeSO4JIARULIANGWEI250 mg/L、H2O2JIARULIANGWEI1 200 mg/L、WEIBOFUSHESHIJIANWEI40 minSHI,WEIBOGONGLVDUIFEISHUICHULIXIAOGUODEYINGXIANGJIANTU2。YOUTU2KEJIAN:ZHUODUQUCHULVYIZHIWEICHIZAI95%YISHANG;DANGWEIBOGONGLVZAI300~400 WSHI,SEDUQUCHULVXIANZHUTIGAO;DANGWEIBOGONGLVZAI200~500 WSHI,CODQUCHULVMINGXIANZENGDA。WEIBOFASHENGQICAIYONGWENDUFANKUIFADIAOJIEWEIBOSHUCHUGONGLV,DANGWEIBOGONGLVDIYU300 WSHI,FEISHUIDEWENDUWEISHANGSHENG;DANGWEIBOGONGLVCHAOGUO400 WSHI,FEISHUIDEWENDUXUNSUSHENGWENDAOSHEDINGZHI50 ℃[8-9],YOULIYUFentonFANYINGSHENGCHENGZIYOUJI·OH。DANGWEIBOGONGLVWEI500 WSHI,CHUSHUICODZUIDI,WEI64 mg/L。YINCI,XUANYONGWEIBOGONGLVWEI500 W。

  2.3 FeSO4JIARULIANGDEYINGXIANG

  DANGPACJIARULIANGWEI200 mg/L、PAMJIARULIANGWEI3mg/L、FEISHUIpH=3、 H2O2JIARULIANGWEI1 200 mg/L、WEIBOGONGLVWEI400 W、WEIBOFUSHESHIJIANWEI40 minSHI, FeSO4JIARULIANGDUIFEISHUICHULIXIAOGUODEYINGXIANGJIANTU3。YOUTU3KEJIAN:ZHUODUQUCHULVSHIZHONGWEICHIZAI90%YISHANG;FeSO4JIARULIANGWEI0~300 mg/LSHI,SEDUQUCHULVMINGXIANZENGDA;DANGFeSO4JIARULIANGZAI100~250 mg/LSHI,CODQUCHULVZENGDA,DANSUIHOUJIANGDI,ZHEISHIYINWEIFeSO4NONGDUGUOGAOSHI,FentonFANYINGSULVGUODA,BUFEN·OHYUFe2+FANYINGSHENGCHENGOH-,Fe3+YUH2O2FANYINGSHENGCHENGYANGHUAXINGJIAODIDE·OH2[10-11];DANGFeSO4JIARULIANGWEI250 mg/LSHI,CODQUCHULVZUIGAO,WEI83.70%,CHUSHUICODWEI60.00 mg/L。YINCI,QUEDINGZUIJIAFeSO4JIARULIANGWEI250 mg/L。

  2.4 H2O2JIARULIANGDEYINGXIANG

  DANGPACJIARULIANGWEI200 mg/L、PAMJIARULIANGWEI3mg/L、FEISHUIpH=3、FeSO4JIARULIANGWEI250 mg/L、WEIBOGONGLVWEI400 W、WEIBOFUSHESHIJIANWEI40 minSHI,H2O2JIARULIANGDUIFEISHUICHULIXIAOGUODEYINGXIANGJIANTU4。YOUTU4KEJIAN:SEDUHEZHUODUQUCHULVYIZHIWEICHIZAI90%YISHANG;H2O2JIARULIANGWEI1 400 mg/LSHI,CODQUCHULVZUIGAO,WEI83.70%,CHUSHUICODWEI60.00 mg/L。YINCI,QUEDINGH2O2JIARULIANGWEI1 400 mg/L。

  2.5 FEISHUIpHDEYINGXIANG

  DANGPACJIARULIANGWEI200 mg/L、PAMJIARULIANGWEI3mg/L、FeSO4JIARULIANGWEI250 mg/L、H2O2JIARULIANGWEI1 200 mg/L、WEIBOGONGLVWEI400 W、WEIBOFUSHESHIJIANWEI40 minSHI,FEISHUIpHDUIFEISHUICHULIXIAOGUODEYINGXIANGJIANTU5。YOUTU5KEJIAN:ZHUODUQUCHULVWEICHIZAI95%YISHANG;SEDUQUCHULVYEZAI90%ZUOYOU;DANGFEISHUIpH=3~5SHI,CODQUCHULVZENGDA,DANGFEISHUIpH=5~10SHI,CODQUCHULVJIANGDI。pHGUOGAO,OH-YUFe2+HEFe3+SHENGCHENGCHENDIAN,JIANRUOFe2+DECUIHUAZUOYONG;pHGUODI,H+YIZHIH2O2HAIYUANFe3+ [12],JIANGDIFANYING·OHDESHENGCHENG。DANGFEISHUIpH=5SHI,CODQUCHULVZUIGAO,WEI85.87%,CHUSHUICODWEI51.59 mg/L。YINCI,QUEDINGFEISHUIpHZUIJIAZHIWEI5。

  2.6 H2O2TOUJIACISHUDEYINGXIANG

  DANGPACJIARULIANGWEI200 mg/L、PAMJIARULIANGWEI3 mg/L、FEISHUIpH=3,FeSO4JIARULIANGWEI250 mg/L、H2O2ZONGJIARULIANGWEI1 200 mg/L、WEIBOGONGLVWEI400 W、WEIBOFUSHESHIJIANWEI40 minSHI,H2O2TOUJIACISHUDUIFEISHUICHULIXIAOGUODEYINGXIANGJIANTU6。YOUTU6KEJIAN:ZHUODUQUCHULVYIZHIWEICHIZAI96%YISHANG;DANGH2O2TOUJIACISHUZENGDUOSHI,SEDU、CODQUCHULVJUNMINGXIANTIGAO,DUOCITOUJIAH2O2DECHULIXIAOGUOYOUYUYICITOUJIAXIAOGUO。H2O2DUOCITOUJIAKEYITIGAOFANYINGDEPINGJUNTUIDONGLI,JIAKUAIZHUFANYINGSULV,YIZHIFUFANYING[13]。H2O2TOUJIACISHUWEI3SHI,CODQUCHULVZUIGAO,WEI85.81%,CHUSHUICODWEI52.21 mg/L。YINCI,QUEDINGTOUJIAH2O2ZUIJIACISHUWEI3。

  2.7 PACJIARULIANGDEYINGXIANG

  DANGPAMJIARULIANGWEI3 mg/L、FEISHUIpH=3、FeSO4JIARULIANGWEI250 mg/L、H2O2JIARULIANGWEI1 200 mg/L、WEIBOGONGLVWEI400 W、WEIBOFUSHESHIJIANWEI40 minSHI,PACJIARULIANGDUIFEISHUICHULIXIAOGUODEYINGXIANGJIANTU7。

  YOUTU7KEJIAN:ZHUODUHESEDUQUCHULVWEICHIZAI90%YISHANG;SUIPACJIARULIANGZENGJIA,CODQUCHULVZENGDA;PACDEJIARULIANGGUODASHI,FEISHUIZHONGSHENGYUDECl-XIAOHAOBUFEN·OHZIYOUJI,DAOZHICHUSHUICODZENGDA;DANGPACJIARULIANGWEI350 mg/LSHI,CODQUCHULVZUIGAO,WEI85.87%,CHUSHUICODWEI51.59 mg/L。JINGSHIYANQUEDINGPACDEJIARULIANGWEI350 mg/L。

  2.8 PAMJIARULIANGDEYINGXIANG

  DANGPACJIARULIANGWEI200 mg/L、FEISHUIpH=3、FeSO4JIARULIANGWEI250 mg/L、H2O2JIARULIANGWEI1 200 mg/L、WEIBOGONGLVWEI400 W、WEIBOFUSHESHIJIANWEI40 minSHI,PAMJIARULIANGDUIFEISHUICHULIXIAOGUODEYINGXIANGJIANTU8。YOUTU8KEJIAN:ZHUODUHESEDUQUCHULVWEICHIZAI90%YISHANG;DANGPAMDEJIARULIANGWEI12 mg/LSHI,CODQUCHULVZUIGAO,WEI86.41%,CHUSHUICODWEI49.62 mg/L。PAMJIARULIANGGUOGAOSHI,FEISHUIZHONGSHENGYUDEPAMDANTIHESHUIJIEJITUANXIAOHAOBUFEN·OH。JINGSHIYANQUEDINGPAMDEJIARULIANGWEI12 mg/L。

  2.9 XUNING—WEIBOFUSHE—FentonSHIJIYANGHUAFADEZUIJIAGONGYITIAOJIAN

  XUNING—WEIBOFUSHE—FentonSHIJIYANGHUAFADEZUIJIAGONGYITIAOJIANWEI:PACJIARULIANG350 mg/L,PAMJIARULIANG12mg/L,FEISHUIpH5,FeSO4JIARULIANG250 mg/L,H2O2ZONGJIARULIANG1 400 mg/L,H2O2FEN3CITOUJIA,WEIBOGONGLV400W,WEIBOFUSHESHIJIAN60 min。ZAICITIAOJIANXIA,CHULIHOUDECHUSHUICHENGQINGTOUMING,ZHUODUQUCHULVWEI98.59%,SEDUQUCHULVWEI97.62%,CODQUCHULVWEI86.21%。CHUSHUIZHUODUWEI1.25NTU,SEDUWEI0.11DU,CODWEI50.34 mg/L,ZHUODUHECODMANZUGB50050—2007《GONGYEXUNHUANLENGQUESHUICHULISHEJIGUIFAN》[6]ZHONGDEYAOQIU,SHIXIANLESHENDUCHULIHOUFEISHUIDEZIYUANHUALIYONG。

  3 JIELUN

  a)ZUIJIAGONGYITIAOJIAN:PACJIARULIANGWEI350 mg/L,PAMJIARULIANGWEI12 mg/L,FEISHUIpH=5,FeSO4JIARULIANGWEI250 mg/L,H2O2ZONGJIARULIANGWEI1 400 mg/L,H2O2FEN3CITOUJIA,WEIBOGONGLVWEI400 W,WEIBOFUSHESHIJIANWEI60 min。

  b)ZAIZUIJIAGONGYITIAOJIANXIA,CHULIHOUDECHUSHUIZHUODUWEI1.25 NTU,SEDUWEI0.11DU, CODWEI50.34 mg/L;ZHUODUQUCHULVWEI98.59%,SEDUQUCHULVWEI97.62%,CODQUCHULVWEI86.21%。ZHUODUHECODMANZUGB50050—2007《GONGYEXUNHUANLENGQUESHUICHULISHEJIGUIFAN》DEYAOQIU,SHIXIANLESHENDUCHULIHOUFEISHUIDEZIYUANHUALIYONG。

 
此文关键字:絮凝,微波,辐射,Fenton,试剂,氧化,深度,处理,焦化

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