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制革废水措置工程

作者: 加拿大28在线预测网 环保 日期: 2018-02-04

 制革废水措置工程.jpg

    zhigefeishuiwujiwunongdugao,hanliu、gedengwuhailizi,shiyizhongjiaonancuozhideqingchanyefeishui,tongsujienaguitian—shenghuazuhe gongyicuozhi。benwenchanfalezhigefeishuicuozhigongyitiaoxuanzhongyingcezhongzhenzhuodeshenfen,bingduiguojichangchangshiyongdecuozhigongyitingzhizongjie。

 

 

1 bianyan

 

zhigefeishuiyouqiangjianxingdejinhuituomaofeishuiheruosuanxingde rougefeishuigoucheng,feishuizhonghanyougaonongduderouliao、lvhuawu、 liuhuawu、waibiaohuoxingji、huaxuezhuji、youzhi、luanbaizhijiss dengjinghuawu;jiazafeishuichengjianxing,waibiaohunzhuo,younanwenqixi, shuizhishuiliangsuishihoubiangenghenda。tongsuhuanjingxia,zonghefeishui decod 3000~4000 mg/l、bod 1500~2000 mg/ l、ss 2000~4000 mg/l、s2-50~100 mg/l、cr3+80 ~100 mg/l[1]。

 

zhigefeishuidekeshenghuajiaohao,tongsudoukejienashenghuafa cuozhi。danfeishuizhongchanghanyouliuhuawuhegelizi,huiduiweishengwufashenganna,guyaochongshizhengshiyucuozhideganhua,yishizaizhi gefeishuidebanlizhong,tongsujunjiena“guitian—shenghua”zuhegong yi。

 

2 gongyitiaoxuanyingzhenzhuodeshenfen

 

2.1 zhigezhiliaojizhigegongyi

 

zhigezhiliaojichuchangongyibutong,duizhigefeishuideshuizhi yingxianghenda。ruyangpigechuchanfeishuidecod、bod、youzhi nongdujiaodi,dancr3+、s2-nongdujiaogao,jianxingjiaoqiang;zhupige chuchanfeishuizhongss、youzhijicl-nongdujiaogao[2]。

 

butongdezhigefeishui,yaotiaoxuanbutongdecuozhigongyi,yiqi huodegenghaodecuozhichengguo。ruzhigefeishuizhonghanyoutaigaodeyanleiwuzi,qingyiduiweishengwudehuoxingfashenganna,yishi,tiaoxuan naiyanxingjiaoqiangdedifuhehuoxingwunifa,rengshitiaoxuannaiyanxing jiaochadezhongfuheshengwumofa,yaohenglianglihaihoukending;tongsuzhi gefeishuideshenghuaxinghenhao,danzhiqiupidezonghefeishui,bod/ coddebizhizai0.2yixia,ercoddehanliangbingbugao,yi banbukuayue2000 mg/l,dangjienadazhangyanghuafacuozhishi,chizhongtianliaogouchengbuleshengwumo,yishizuixingkuifeishuicuozhigongyi zhong,jiayidaoshuijiesuanhua,yijinbuqibod/coddebi zhi[3]。

 

rufeishuizhonghanyoudapidegaitielizi,jienaxianweitianliao, zaoqiyunzhuanchengguohenhao,danchijiuyunzhuan,gaitieliziyizhanfuzai xianweiwaibiaobingjiegou,gouchengxianweigaihua,shizhifacui、duanlie,shi cuozhichengguoyulaiyucha。ruoshichangchanggaihuantianliaoyouzengtianleqi yechengdan,shiyidazhangyanghuagongyizaicileizhigefeishuicuozhizhong yaoshenyong[4]。

 

2.2 jinshuishuizhihechushuicuozhiguifan

 

zhigefeishuidecodtongsuzai3000~4000 mg/l,sheng huaxingjiaohao,jingwushuicuozhigongyicuozhihou,tongsuchushuiqingqiuda daoguobiaoerjiguifan(cod<300 mg/l),danyeyouyixiewu shuicuozhizhandeyunzhuan,xuyaozhizugengyankudepaifangguifan,ruhu nanmouzhigefuzhuangwangwww.vhao.netyouxianzerengongsi[5],jiangchuchanjinchengzhongfasheng detuomaofeishui、geroufeishui、ransefeishuibielitingzhiyucuozhi hou,huiruyilu,jinghunningjidian、dazhangyanghuachi、dazhangguolvchi cuozhihou,chushuikedagb8978-1996zhongdeyijiguifan。

 

guangdongmoupigechang[6]jienaxuningjidian—huoxingwunifa—dazhang yanghuafazuhegongyicuozhizhigefeishui,zi2003nian12yuetou chanzhijincuozhichengguobubian,jinshuicodwei3000~3500 mg/lshi,chushuicodyue40 mg/l,gexiangchushuifangzhenjun daodaguangdongshengchusuoguifan(db44/26-2001)yijiguifan。

 

2.3 yucuozhigongyidetiaoxuan

 

yucuozhideshouyaoganhuashiquchujinnenggouduodess、you lei、geliziheliuhuawu,xiajiangwujiwuheyouduwuzinongdu, yiquebaohouxushengwucuozhidegaoxiaobubianyunzhuan。hunningjidianhe qifushipigefeishuichangchangshiyongdeyucuozhitili。hunningjidian,shouyaoshijingyoujinchengxiangfeishuizhongtoujianaoh、liusuanyatie、pacdengyaoji,shishuizhongdeliuhuawuhegelizijidianerquchu;erqifu,shouyaoshijingyoujinchengxiangshuizhongtoujiaporujihexuningji,bingjingyoujinchengxixiaoqipaodeshangfuhezhanfuganhua,shishuizhongdeyouleiwuzihesshuodeyouyongquchu。

 

duiyucuozhigongyi,xuyaolianxihouxushengwucuozhigongyi tiaoxuan。weijiatai[2]jingduogegongchenglilunhouyiwei,difuheyun xingdegongyi(ruyanghuagoufa)yinqinaidajifuhecainengjiaoqiang,duiyucuozhiqingqiubushitaigao;fuhegaodegongyi(rudazhangyanghua fa)zexuxiangyingjinbuyucuozhixiaoli。yishi,zaijienadazhangyang huafazuoweishengwucuozhigongyishi,duiyucuozhideqingqiuyanku,ru guoyucuozhidabudaoyuqifangzhen,jianghuiyingxianghouxudazhangyanghua fadecuozhichengguo,shiyiyingxiangquanbutixideyunzhuanbubianxing。

 

2.4 shengwucuozhigongyidetiaoxuan

 

zhigefeishuicuozhizhongcaozongjiaoduodeshengwugongyi,baohanyanghuagou、sbrjidazhangyanghuafa。

 

yanghuagouweidifuhehuoxingwunifa,tajienajiaodiderongjifuhehejiaozhangdedouliushihou,duifeishuidecuozhichengguohao,bingqiejubeihenqiangdekangdajifuhecaineng,danzhankongzhongjida,yishi duizhong、xiaoxingzhigechang,zheileigongyibingfeizuihaotiaoxuan;sbrweijianxieshihuoxingwunifa,jienajianxieshouzhishuidetiliyunzhuan, jubeihendadejiaojiexing,bingjujiechudetuodanchulingongxiao,chushuishuizhihao、yunzhuanyongdudi,qiebuyifashengwunishousuo,heyongyushuizhishuiliangsuishihoubiangengjiaodadezhigefeishuidecuozhi;dazhang yanghuafaweimofacuozhigongyi,shouyaoshijingyoujinchengshezhizaiyanghuachi zhongdedanxingtianliao,laijianchigenggaodeshengwuwuninongdu,zengjinjinghuawuzidequchu,tajubeizhankongzhongjixiao、cuozhichengguohao、buyifashengwunishousuodengzhangchu,keshitouzijiyunzhuanyongdujiaogao。 yishiyaozhenduibutongdejinshuishuizhihecuozhiqingqiu,bingzonghekao lvzhankongzhongji、jijianyongduheyunzhuanyongdudengshenfen,tiaoxuanheshideshengwucuozhigongyi。

 

2.5 wenduduicuozhichengguodeyingxiang

 

wendushiweishengwufazhandezhuyaohuanjingshenfenzhiyi,tadeaotu,jianjieyingxiangzheshenghuafanyingsulv,jineryingxiangshengwutixidecuozhichengguo。yishi,zaiyanhandiyudefeishuicuozhigongyi,yaochongshizhenzhuocishenfen,shexiangzhongkezhenzhuojinbushenghuachiwuninongdu、zengtianshenghuachishendujijiagaidengtili[7],xuejianreliangsangshi,yijianchibubiandecuozhichengguo;zaigongyitiaoxuanzhongyingjinkenengjienadifuhehuoxingwunifa,ruyanghuagougongyi,xuejianwenduduishenghuafanyingdeyingxiang。

 

2.6 jihecuozhiyulingdingcuozhidehengliang

 

chuantongdezhigefeishuicuozhishouyishijianggegongxufeishuisouji jiaza,yiluguiruwushuicuozhitixi,danyinweifeishuizhonghanyouda liangdeliuhuawuhegelizi,jiyiduiweishengwufashengannaganhua。 yishijinchaobinigongdaodeshi“yuanyelingdingcuozhi、zonghefeishuitong yicuozhi”degongyixianlu[8],jiangtuozhifeishui、jinhuituomaofeishui、 geroufeishuibielitingzhicuozhibingshoushoujieguanyoudaijiadeziben,erhou yubiedefeishuijiazatongyicuozhi。

 

waiyangtongsudoujienazheileicuozhigongyi,guojihenduochangjia yesheyoubielicuozhidetixi,danshuyuyunzhuanhebanli,xianshichengguobujia,bingqieduixiaoxingzhigechang,rujienazheileitili,gong yiliuchengzhang、yongdugao,yishirengyaoxiangxihuanjingxiangxichanfa,jin xingjihecuozhi。

 

3 dianfandegongyizuhe

 

3.1 hunningjidian+sbrfa

 

zhangjiedengcaozongxupishihuoxingwunifa(sbr)duihenanmou zhigechangdefeishuitingzhicuozhi。qishoujienaguitianfachechufeishui zhongdedapiyouduwuzihejubuwujiwu,zaidianmosbrfasheng huajiangjiekerongxingwujiwu。shexiangricuozhiliangwei800 m3,dang jinshuicodzai2500 mg/lshi,chushuicodzai100 mg/ lbaibu,yuandiyuguobiaoerjiguifan(cod<300 mg/l), gaigongchengdeyunzhuanbenqianwei0.8yuan/dun。yunzhuanchengguobiaoming,yong sbrgongyicuozhizhigefeishui,duishuizhibiangengdeshunyingxinghao, naifuhedajicainengqiang,chugeheshizhigefeishuijueduijihepai fangjishuizhiduobiandetese。bingqie,sbrcuozhigongyitouzijiao sheng,yunzhuanbenqianjiaotongsuhuoxingwunifadi[9]。

 

3.2 qifu+dazhangyanghuafa

 

shenyangshimouzhigechangyuanfeishuicuozhijienashengwuzhuanpanweizhu decuozhigongyi,yunzhuanbuyiban,paishuishuizhibudabiao。jiaqiuping deng[10]jienawoaoqifu+erduandazhangyanghuagongyi,duiyuantixi tingzhigexin,buzhishicuozhihoudefeishuidaodapaifangqingqiu,jinbu lecuozhicainenghechengguo,bingqieshoushoujieguanle80%yishangdecr3+, shicuozhihoudefeishuijubuhuiyong。zaijinshuicod 3647 mg/ lshi,jingbengongyicuozhihou,chushuicodnongduwei77 mg/l, diyuliaoningsheng《db21-60-89》xinkuogaierjiguifan(cod <100 mg/l)。yinweijienalecafwoaoqifu,zhigefei shuicuozhiyunzhuanbenqianwei1.15yuan/t,diyuyuancuozhigongyiyunzhuan benqian0.6yuan/t。

 

zhenduiguanliqifucuozhichengguobugoubaofudehuanjing,liwen longdeng[11]jiangqigaijinchengchuanlianqifugongyi,shiduijinghuawudequ chulvdafuzengtian。rucoddequchulvbigaijinqianzengtianle 33·4%,s2-47.7%, crzong42.2%, ss 15.3%, cn 60·7%, bod 76.9%,sedu17.5%,tongshijienachuanlian qifugongyicaozongyeqidaole2ciqifudechengguo。

 

3.3 guitian+yanghuagou

 

xinjishishipaoyingzhigexiaoqu[12]jienaguitian+yanghuagou gongyi,duiyuanyousheliupuqiwushuicuozhitixitingzhigexinhezengrong,jiangyuanyichenchiheerchenchigexinweiyichenchi,jiangyuanpuqichi gexinweishuijiesuanhuachi,bingzaijuehoujieyigeguanlideyanghuagou; zhenzhuodaogaizhigexiaoquchuchandedanjihedanjideshuiliangbutong,chudiaolichiwai,yiqietixijunsheweibingliande2zu。gexinhou decuozhishuiliangzengzhi4800 m3/d,keduijinshuicodwei6100 mg/lbaibudefeishuitingzhiyouyongcuozhi。xianshiyunzhuanbiaoming, gaigexingongyidecuozhixiaolijiaogao,chushuishuizhidaodaguodu《wu shuizonghepaifangguifan》erjiguifan。

 

3.4 yanyang+haoyang

 

zhejiangmouzhigechanyequ[13]jienahunningjidian+shuijiesuan hua+castgongyi,duilaiziyuchouban、rouzhihebiedeshijiagong gongduandezonghefeishuitingzhicuozhi。shexiangzuimengjinshuiliuliang 6000 m3/d,feishuizhongdeliulizijingyoujinchengyupuqi,bingzaifanying chijiafeso4hezhuningjipac,congerjidianquchu;cr3+tong guozaifanyingchizhongyunaohfashengjidianfanyingerquchu。sheng huacuozhijienajianyangheqiayangxianglianxidegongyi,jianyangjienajie chushishuijiesuanhuagongyi,kejinbufeishuidekeshenghuaxing,tongshiqu chujubucodhess。haoyangjienacastgongyi,weigaijin desbrgongyi,jubeiwujiwuquchulvgao、kangdajifuhecainengqiangdengtese。

 

zhoulideng[14]caozonguasbyanyang—casshaoyangshengwu cuozhigongyi,duiyiyangpiweizhiliaodezhigechanyefeishuitingzhicuozhi。dangjinshuicod、bod、ssjunyunnongdubieliwei3102 mg/l、1495 mg/l、1231 mg/lshi,chushuicod、bod、 ssjunyunnongdubieliwei265 mg/l、89 mg/l、127 mg/ l。cod、bod、sszongquchulvdaoda91.5%、94.1%、 89.5%。jienacigongyichuanlian,keanzhaojihouxing、shuizhi、shui liangdexiangxihuanjing,diaojigaicuozhiyunzhuanzuhe,yibianjinyibujiang diyunzhuanyongdu,shuicuozhiyunzhuanbenqianweimeidun0.94yuan。

 

3.5 biedegongyi

 

wangqianyangdeng[15]tingzhilemofasbrgongyicuozhipigefei shuideyantao,changshichengguobiaoming,mofasbrcuozhichengguohaoguo tongsusbrfa。bsbrfazhong,dajubuwuniyishengwumoxing shifuzhezaitianliaoshang,youfengshuodeshengwuxiang,cizhonggaoyangfenjide weishengwujiaoduo,shiyifashengdecanshengwuniliangshao;shengwumoshangxing chenglebubiandeshengtaitixi,shengwupinzhongduo,shumuduo,shiyiju yougengqiangdenaidajifuhecaineng;touchanqiduan,qidongkuai,touzi shao,nenghaodi。

 

dengxiaogangdeng[16]jienamaichongdianfushuicuozhichengtaozhuangbei,he maichongdianfu—puqi—maichongdianfufadecuozhigongyiduimoupige qiyepaifangdezhigefeishuitingzhicuozhi,jingchangshikaozheng,cuozhihou deshuinengdaodaguoduyijipaifangguifan。dianfufashicaozongdianfu jinchengzhongdianjishangxichudexixiaoqipao(h2、o2)laishangfufenshou shushuixingzazhiweilidexuningjiaoti,congerdaodaguyefenshoude mubiao;ermaichongdianfufanenggoujianxiaohuanliudailaideyingxiang,bingnengxuejianchashitongdianmianji。 gaoxinhongdeng[17]jienaweidianjie—erjixieguanjidiangongyi, duiyudongdiyumoupigechengpinyouxiangongsidefeishuitingzhicuozhi。 gongchengyunzhuanbiaoming,zaijinshuicod、bod、ssjunyunnongdufen biewei1973 mg/l、787 mg/l、1049 mg/ldehuanjingxia, paishuizhongcod、bodhessjunyunnongdubieliwei206 mg/l 、89 mg/lhe102 mg/l。gaigongchengjubeitouzishao、yunzhuan yongdudi、cuozhichengguohao,qidongsulvkuaidetese,bingshouqiwen yingxiangxiao。shiyi,chugeheshinanfangyanhandiyudezhong、xiaoxingzhi geqiyedefeishuibanli。

 

4 junshiyu

 

zhigefeishuidecuozhigongyijiaoduo,shexiangshiyaozonghezhenzhuogeleishenfen,zuodaogongyishexianggongdao、zhankongzhongjishizhong、touziyongdujiaodi、yunzhuanbaohujianlve、cuozhichengguobubian。zhigefeishuidecuozhigongyijueduichengshu,danzaiyixiafangmian,rengxushenqieyantao:(1)zhigewunidetuotiecuozhi。zhigefeishuizhonghanyoudapiliuhuawuhegelizi,jidianhuoqifuhou,huigouchengdapihangehehanliuwuni。duizheileiwuni,ruoheyouyongcaozonghuotuotiecuozhi,xujinyibuyantao;(2)chushuiandantimu。zhigefeishuizhongdeandanhanliangjiaogao,jingwushuicuozhijucuocuoshicuozhihou,andanrenghennandaodaxiangganguifan,yishiyaozengqiangandanquchufangmiandeyantao, jinbutixiduiandandequchuxiaoli,yixuejianhandanwuziduishuitidefengxian。

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