要知道涂料(油漆)废水的成分及水质,就要清楚制作涂料所用的材料,一般涂料所用的材料有油料(植物油)、树脂(以合成树脂居多)、有机溶剂、有色颜料等,其他材料还有助剂、增稠剂、分散剂、无机物料(如TiO2GD真人)。涂料工艺生产过程中产生废水主要分为两部分: 涂料制作工艺生产线上废水,涂料施工(喷漆、电泳工艺)排放水;生产废水具体区分为以下四类:
①piaoyoufeishui: zaizhiwuyoujinglianshichanshengdeyileifeishui,hanyoulianggao,codhanliangzai10000mg/lyishang。
②zhihuafeishui: zhihuafeishuizhuyaolaizituliaoshengchan、youqishengchandenggongyebumen,zhuyaoyouhechengshuzhijingguoyixiliewulihuaxuefanyingerchanshengde。zheibufenfeishuichengfenshifenfuza,tuliaofeishuijibenlaiyuanyuzhihuafeishui,suoyongdehechengshuzhizhongleifanduo,duoshiyouduwuzhi,rufen、jiaquan、jiachun、dingwandengyoujiwuzhiyijiqian、gedengzhongjinshulizi,yanfengao,feishuikeshenghuaxingcha,nanyishengwujiangjie。codnongdugaoda15wan。
③ganliaofeishui
④xilvfeishui
GD真人zhu: tuliaoshengchanzhongyebaohanshebeiqingxishui,dimianqingxishui,dangaileishuiliangshao,youxietuliaoduiyongshuiqingxiyouyangedekongzhiyaoqiu,yibanbuyunxuyongshuixidizaoqishebei。
GD真人genjuchanpinzhongleibutong,gegongxubutong,tuliaofeishuishuizhichayijiaoda。dangaifeishuidetexingkeyizongjieweiyixiajidian:
①shuiliangxiao,danshuizhi、shuiliangbodongda。jianxiepaifang,gegongxuchanshengdefeishuishuizhichayida,zaochengchulinanduzengda。
②处理难度大。废水中难降解有机物含量较高,成分十分复杂,涂料生产的酯化反应、缩聚反应能产生大量的苯类、酚醛类有机溶剂及大分子树脂等,进水BOD5/CODcr值为一般低于0.2,可生化性较差。高浓度涂料废水COD能达到十几万,但水量小,一般结合生活污水等可生化性高的废水一起处理,能提高进水可生化性,降低进水污染物浓度,降低处理的有机负荷。
GD真人③duxingda,younongzhongdecijixingqiwei。
④xuanfuwuhanlianggao,seduda。
GD真人cileifeishuishuizhishouyuanliaozhonglei、shengchangongyi、guochengkongzhiyingxiangjiaoda,shuizhinongduchayijiaoda,bodongyeda,yibancodgaodayiwanzhiliuwan,shenzhishijiwanyishang,jutiyingyishiyanweizhun。yixiaweiwosimouyigongchengshijijinshuishuizhizhibiao:
类型 | 单位: mg/L | 备注 | ||
COD | BOD5 | SS | ||
高浓度生产废水 | 150000 | 3000 | 10000 | |
一般生产废水 | 10000 | 1000 | 5000 |
GD真人chushuishuizhiyinggenjugedihuanbaobumenyaoqiu,wudifangbiaozhundeyi《wushuichulizonghepaifangbiaozhun》gb8978-1996weizhun,youdifangpaifangxianzhide,yidifangpaifangbiaozhunweizhun。
tuliaofeishuidechuligongyizaiguoneitongchangcaiyongwuhuafa+shengwufadechulifangfa,qichengfenbijiaofuza,shuizhinongdujiaogao。
wuhuafachulixuyaogenjuqiyeshengchanchanpindezhonglei、yuanliaochengfenyijigongyitedianjueding,liruyishengchanfenquanshuzhiqiweili,chanshengdefeishuizhonghanyoudefenlei、quanleiyijichundengkecaiqusuohefajinxingquchu,tongguozaitedingtiaojianxia,jingguocuihuadengjiangyuanliaotongguosuohechanshengburongxingdehechengwuzhi,zaitongguochendianyuyiquchu。ciwaiwuhuafajiaoweitongyongdeyouhunningchendian、qifufa、gaojiyanghuafa、fe-cweidianjiefa、cuiqufadeng。tuliaofeishuidekeshenghuaxingjiaocha,kenenghaihanyoubufenduxingwuhua,tongguoyishangwuhuadeyuchulifangfa,keyijiangdiduxingbingtigaofeishuikeshenghuaxing,dadaojinrushenghuachulixitongdetiaojian。
GD真人tongchangwuhuafajuyougaoxiaokuaijiedetedian,danyunxingchengbenyouxian,shengwufashigongrendeyingyongguangfan、caozuofangbian、yunxingweihujiandan、yunxingchengbendi、chushuiwendingkekaodefeishuichulifangfa,tuliaofeishuijingyuchulihoujieheshengwufa,keyidadaogejinqinengdezuoyong。
shengwujiechuyanghuagongyishishengwufazhongjiaoweichengshukekaodeyizhongfangfa,jiehechulinengligaodeyanyangchulikeyidadaojiaolixiangdechushuishuizhi。zaiyanyangchulizhong,uasbfanyingqishimuqianyingyongjiaoguangfan、fazhanjiaoxunsu、chengshudeyizhongxinxingfanyingqi,caiyonguasbyanyangfanyingqi+duojijiechuyanghuafazuhegongyiyouyixiatedian:
①zaiuasbyanyangfanyingqinei,wuninongdugao、youjifuhegao、chulixiaolvmingxian,tongguoyanyangchulikequchu80—95%deyoujiwu,kejiangdihouxuxitongdefuhe。
GD真人②uasbyanyangfanyingqichanshengshengwunengch4(zhaoqi),keyouxiaoliyong,jiangdiwushuizhannenghao。
③duojijiechuyanghuafazaijinshuizhichushuiyanchengdebutongjieduanxingchengbutongdeshengwuzhonglei,xiangduiyuhuoxingwunifa,qishenghuachulixiaolvgao,naichongjinengliqiang,youjiwuquchulvkeyidadao85%yishang。
④gongyijiandan,touzi、yunxingfeiyongdi。shiyongyuchulishuiliangxiao、duxingdaqiegaonongdunanjiangjiewuzhiduodefeishui。
GD真人⑤wunichanliangxiao,jianshaolewunihuiliuliangyijipainiliang,jiangdihouxudewunichulifeiyong。
jingguoerjichulihou,feishuiwuranwunongdujibenkeyijiangdidaopaifangbiaozhun,danzaiyixietuliaofeishuizhongchanghanyoujiegouwending、shengwunanjiangjie、duishengwugaoduzukangzuoyongde,zaishengwujieduanbunengdedaoquchu,jiuxuyaojinxingshenduchuli,tongguoqiangyanghuahuopohuaiqiwendingjiegoudenggezhongfangfalaichuqu,tongchangkecaiqucuihuayanghuafa、chouyangyanghuafa、huoxingtanxifudengfangfaduifeishuijinyibuchuli。