幸运时代爆奖大赢家棋牌游戏

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詳解電鍍含磷廢水處理方法

放大字體??縮小字體 發布日期:2016-02-20??來源:環保易交易??瀏覽次數:15214 ??關注:加關注
核心提示:近年來,水體富營養化問題愈加嚴重,引起國際社會的廣泛關注。造成水體富營養化問題的原因是水體中富營養元素氮和磷含量過高。其

jinnianlai,shuitifuyingyanghuawentiyujiayanzhong,yinqiguojishehuideguangfanguanzhu。zaochengshuitifuyingyanghuawentideyuanyinshishuitizhongfuyingyangyuansudanhelinhanliangguogao。qizhong,linshiyinqishuitifuyingyanghuadexianzhixingyuansu,danghubozhonglindezhiliangnongduchaoguo0.02mg/lshi,jiukenengyinqishuitifuyingyanghua,yinciguoneiwaiduifeishuipaifangzhonglinnongdudekongzhiyeyuelaiyueyange。

 

廢水處理

 

電鍍行業是我國水體重金屬排放大戶,也是氮磷營養元素排放大戶。由于電鍍工藝幸运时代爆奖大赢家棋牌游戏中使用大量次亞磷酸鈉等作為化學鍍劑,導致排放的電鍍廢水中通常含有較高濃度的磷元素。

bizhecaiyongchouyangyanghua—huaxuechendianfangfachulidianduhanlinfeishui,pingjiachouyangduifeizhenglinsuanyandeyanghuaxiaoguo,tantaochouyangtoujialiang、chouyangtongrushijian、feishuichushilinnongduhefeishuichushiphdengduifeizhenglinsuanyanzhuanhualvdeyingxiang。bingyiciweijichuyouhuahuaxuechendiandegongyicanshu。tongguoliangchulidanyuanlianyong,yiqizuizhongchushuidadaodiandufeishuipaifangbiaozhuntebiexianzhi。

1實驗部分

1.1實驗水樣

幸运时代爆奖大赢家棋牌游戏youyudianduxingyeshiwoguogongyeyongshuidahu,yincitongchangcaiyongmojishuduidiandufeishuijinxingchuli,chanshengdedanshuijinrushengchangongyiguochengzhonghuiyong,ermonongshuizhonghanyougaonongdudewuranwu,xuyaojinyibuchulicainengdabiaopaifang。

實驗所使用水樣均采自江蘇常州某電鍍廠的含鎳廢水外排膜濃液。該廠含鎳廢水(含電鍍鎳廢水和化學鎳廢水)采用圖1所示處理工藝。

 

廢水處理

 

tu1moudianduchanghanniefeishuichuligongyi

1.2實驗試劑與儀器

幸运时代爆奖大赢家棋牌游戏zhuyaoshiji:ca(oh)2、naoh、juhelvhualv(pac)、jubingxixianan(pam)、juhelvhuatie(pfs)、cacl2dengjunweifenxichun,gouzitianjinshikemiouhuaxueshijiyouxiangongsi,gaochunyangqiyounanjingtezhongqitiyouxiangongsitigong。

zhuyaoyiqi:phs-3cxingphji,shanghaileiciyiqichang;jj-4liulianjiaobanqi,jintanshiguowangshiyanyiqichang;uv-1700ziwaifenguangguangduji,ribendaojingongsi;jc-10chouyangfashengqi,yanchengshihengtaihuanbaoshebeizhizaoyouxiangongsi;d01-id/zmzhiliangliuliangkongzhiqi,beijingqixinghuachuangdianzishebeigufenyouxiangongsi;ideal-2000chouyangnongdujianceyi,ziboaidierjisuanjiruanjianyouxiangongsi。

1.3實驗裝置

幸运时代爆奖大赢家棋牌游戏chouyangyanghuafanyingcaiyongtu2suoshideshiyanzhuangzhi,zhuyaoyouyangqiping、chouyangfashengqi、zhiliangliuliangkongzhiqi、chouyangfanyingtaheweiqixishouqidengzucheng。qizhongchouyangfanyingtaweineijing56mm、gaodu840mm、youxiaorongji1.8ldeshushiboliguan。dibusheyouqitifensanqi,chouyangjinrufanyingtahouyoufensanqifensanchengweixiaoqipao。

幸运时代爆奖大赢家棋牌游戏fanyingtacemiandibusheyouquyangkou,yongyuquyanghoufenxixiangyingzhibiao。chouyangyanghuashiyanbuzouwei:xiangyanghuafanyingtazhongjiaru1ldianduhanlinshijifeishui;yicidakaiyangqipingzhufahefenyafa,diaojiezhiliangliuliangkongzhiqizhixiangyingliuliang,kaiqichouyangfashengqihechouyangnongdujianceyi;fanyingyiduanshijianhou,congchouyangfanyingtaquyangkouquchuyidingtijishuiyang,caiyongmusuananfenguangguangdufafenxishuiyangzhongzonglinhezhenglinsuanyannongdu。

 

廢水處理

 

tu2shiyanzhuangzhi

2結果與討論

2.1水樣水質分析

shiyansuoxuanqushuiyangweigaichangdiandufeishuibutongshikemonongshuiwaipaishui,qiph7.3±0.2,cod180~420mg/l,zonglin10.5~50.2mg/l,zhenglinsuanyan2.6~10.2mg/l,zongyan8300~10400mg/l。kezhiciyalinsuanyandengfeizhenglinsuanyanhanliangzhanzonglinde80%zuoyou,erciyalinsuangaiderongjieduwei16.7g,yincixuyaotongguoyanghuafajiangqizhuanhuaweiyiyuchulidezhenglinsuanyan。

2.2chouyangtoujialiangduifeizhenglinsuanyanzhuanhualvdeyingxiang

幸运时代爆奖大赢家棋牌游戏shiyansuoxuanquchouyangtoujiazhiliangnongduwei0、48、96、144、192mg/l,fanying60minhoucedingshuiyangzhongzhenglinsuanyanhezonglinnongdu,jieguobiaoming,feizhenglinsuanyandezhuanhualvsuizhuchouyangtoujialiangdezengjiaerzengjia。dangchouyangtoujiazhiliangnongduyou0zengjiazhi96mg/lshi,zhenglinsuanyanzhanzonglinbiliyou16.2%tishengdao99%yishang,shengyufeizhenglinsuanyanzhiliangnongduwei0.47mg/l。dangchouyangtoujiazhiliangnongduwei192mg/lshi,zhenglinsuanyanzhanzonglinbiliwei99.5%,shengyufeizhenglinsuanyanzhiliangnongduwei0.2mg/l。chouyangtoujialiangtigao1bei,danshifeizhenglinsuanyandezhuanhualvtishengqueshifenyouxian,yincizaishiyanzhongxuanze96mg/lweichouyangzuijiatoujialiang。

2.3chouyangfanyingshijianduifeizhenglinsuanyanzhuanhualvdeyingxiang

幸运时代爆奖大赢家棋牌游戏shiyanshuizhitong2.2,kaochachouyangtoujiazhiliangnongduwei96mg/lshi,feishuizhongzhenglinsuanyanzhanzonglinbilihephsuishijiandebianhuaqushi,jieguorutu3suoshi。

congtu3keyikanchu,fanyingkaishiqian30min,feizhenglinsuanyanxunsuzhuanhuaweizhenglinsuanyan,30minhou,fanyingjianqupingheng,feizhenglinsuanyanzhuanhualvtishenghuanman。danshishuiyangphbianhuaqushizhenghaoxiangfan,fanyingqian30min,phbianhuajiaoxiao,fanying30minhou,phxunsuxiajiang。zheyixianxiangdeyuanyinkenengshikaishijieduan,yiyuyanghuadeciyalinsuangenshouxianbeiyanghuaweizhenglinsuanyan。

dangciyalinsuangenwanquanyanghuahou,shengyuyiqitaxingshicunzaidenanyibeiyanghuadelinyuansujixubeiyanghua。tongshi,feishuizhongdafenziyoujiwubeiyanghuafenjieweixiaofenzisuosuanleidengwuzhi,daozhishuiyangphxiajiang。feishuiphjiangditongyanghuijiangdichouyangchanshengqianjiziyoujidexiaolv,daozhizhenggefanyingguochengsulvbianman。

 

廢水處理

 

tu3chouyangfanyingshijianduifeizhenglinsuanyanzhuanhualvdeyingxiang

2.4廢水中磷初始濃度對非正磷酸鹽氧化率的影響

shiyanxuanqule3zhongzonglinchushinongdubutongdeshijidianduhanlinfeishuijinxingshiyan,feishuizonglinchushizhiliangnongdufenbiewei16.8、29.5、50.2mg/lshi,jingchouyangyanghuahouzhenglinsuanyanzhanzonglindebilifenbietishengwei99.8%、99.1%、98.2%。feishuifeizhenglinsuanyanzhuanhualvsuizhuchushizonglinnongduzengjiaerjianshao,zheshiyouyufeizhenglinsuanyannongduyuegao,suoxuchouyanghaoyongliangyueda,daozhifeizhenglinsuanyanzhuanhualvjiangdi。yinci,zaishijifeishuidechuliguochengzhong,xuyaojishigenjuzonglinnongdudebianhuaquedingzuijiachouyangtoujialianghefanyingshijian。

2.5初始pH對非正磷酸鹽轉化率的影響

幸运时代爆奖大赢家棋牌游戏shiyanshuizhitong2.2,shiyanqianxianyong1mol/ldenaohhehcldiaojieshuiyangchushiphfenbiewei4.9、7.4、10.0、12.1,ranhoutongru96mg/lchouyangjinxingyanghuafanying60min。kaochalefeishuichushiphduifeizhenglinsuanyanzhuanhualvdeyingxiang,jieguobiaoming,suizhuphzengjia,feizhenglinsuanyanzhuanhuaweizhenglinsuanyandesulvhebiliyousuozengjia。zheshiyinweizaijianxingtiaojianxia,shuitizhongcunzaidaliangdeoh-,keyicujinfanyingzhongqianjiziyoujidechansheng,yinfalianshifanying,tigaochouyangyanghualv。yinci,shijifeishuichuliguochengzhong,chushiphchengzhongxinghuopianjianxingyouliyufeizhenglinsuanyandezhuanhua。

2.6沉淀劑的種類對磷去除率的影響

feishuicaiyongchouyangtoujiazhiliangnongduwei96mg/l,yanghua60minhou,qizonglinzhiliangnongduwei50.2mg/l,feizhenglinsuanyanzhiliangnongduwei0.4mg/l,phwei6.0。kaochalechendianji——juhelvhualv(pac)、juheliusuantie(pfs)、cacl2、ca(oh)2yijizhuningjijubingxixianan(pam)duiyuchongfenyanghuahoufeishuizhongdezonglinhezhenglinsuanyanquchulvdeyingxiang。

幸运时代爆奖大赢家棋牌游戏shiyanshouxiancaiyong1mol/ldenaohrongyediaojiefeishuiph=9,ranhoujiaruyidingliangdechendianji(pac、pfshuocacl2),zaijiaobansulvwei300r/minxiafanying2min,zaijiaruyidingliangpamfanying30shou,zuihouzai80r/minjiaobansulvxiafanying10minhoujingzhichendian30min,qushangqingyefenxiqizhongdezonglinhezhenglinsuanyannongdu。dangcaiyongca(oh)2jinxingchendianshibudiaojieshuiyangph,qitabuzoutongshang。

幸运时代爆奖大赢家棋牌游戏chendianjichulixiaoguorubiao1suoshi,chendianjipac、pfs、cacl2duiyanghuahoufeishuizhongzhenglinsuanyandequchunengliyouxian,erchendianjica(oh)2duizhenglinsuanyanhezonglinquchuxiaoguojiaohao。yinci,xuanzeca(oh)2zuoweizuijiachendianji。

2.7、Ca(OH)2投加量對磷去除率的影響

shuizhitong2.6,kaochalebutongca(oh)2toujialiangduiyanghuahoufeishuizhonglinquchulvdeyingxiang。shiyansuoyongshuiyangchushizonglinzhiliangnongduwei50.2mg/l,zhenglinsuanyanzhiliangnongduwei49.9mg/l。ca(oh)2detoujiazhiliangnongdufenbiewei200、300、400、500、600mg/l,qiduizonglinhezhenglinsuanyanquchudeshiyanjieguorutu4suoshi。

 

廢水處理

 

tu4qingyanghuagaitoujialiangduilinquchudeyingxiang

jieguobiaoming,ca(oh)2toujialiangyueda,duizonglindequchulvyuegao。dangca(oh)2toujiazhiliangnongduwei400mg/lshi,shangqingyezhongdezhenglinsuanyanzhiliangnongduxiaoyu0.1mg/l,zonglinzhiliangnongduxiaoyu0.4mg/l,keyidadao《dianduwuranwupaifangbiaozhun》zhongbiao3deguiding。dangca(oh)2toujiazhiliangnongdudayu400mg/lshi,zhenglinsuanyanhezonglindequchulvtishengbingbumingxian。tongshi,shangqingyedejianduhuiyousuozengjia,houxuchuliguochengzhongxuyaoxiaohaodaliangdesuanjinxingzhonghe。yinci,queding400mg/lca(oh)2weishiyanzuijiatoujiazhiliangnongdu。

2.8、PAM投加量對磷去除率的影響

幸运时代爆奖大赢家棋牌游戏shuizhitong2.6,shiyankaochalebutongpamjiaruliangduiyanghuahoufeishuizhongzonglinhezhenglinsuanyanquchulvdeyingxiang,xuanquchendianjica(oh)2toujiazhiliangnongduwei400mg/l,pamtoujiazhiliangnongdufenbiewei0、0.1、0.2、0.3、0.4、0.5mg/l,qiduizonglinhezhenglinsuanyanquchulvyingxiangrutu5suoshi。

 

廢水處理

 

tu5pamtoujialiangduilinquchudeyingxiang

congtu5keyikanchu,dangpamtoujiazhiliangnongduwei0.3mg/l,jingchendianhouzonglinzhiliangnongdukejiangdizhi0.4mg/lyixia,zhenglinsuanyanzhiliangnongdujiangdizhi0.1mg/lyixia。dangpamtoujiazhiliangnongdudayu0.3mg/l,zonglinhezhenglinsuanyannongdubianhuaqushibumingxian。congshiyanxianxiangkeyikanchu,yubujiapamxiangbi,jiarupamhouxingchengdexutitijigengda,chendianshijianjianshao。danshi,guoduojiarupam,bujinhuizengjiafeishuichuliyaojifeiyong,tongshihuanhuizengjiashuiticod。yinci,shiyanquedingpamdezuijiatoujiazhiliangnongduwei0.3mg/l。

2.9最佳實驗條件下廢水處理實驗結果

幸运时代爆奖大赢家棋牌游戏fenbiezaichouyangyanghuahehuaxuechendianzuijiatiaojianxiachulifeishuishuiyang,tongguochouyangyanghua—huaxuechendianfuhegongyinenggouyouxiaodichulidianduhanlinfeishui,qizonglinquchulvda99.3%,zhenglinsuanyandequchulvwei99.0%,zuizhongchushuizonglinzhiliangnongduwei0.34mg/l,zhenglinsuanyanzhiliangnongduwei0.08mg/l。chushuilinzhibiaobujinnenggoudadao《dianduwuranwupaifangbiaozhun》zhongbiao3deguiding,shenzhinenggoudadao《dibiaoshuihuanjingzhiliangbiaozhun》(gb3838—2002)ⅴleishuidehuanjingzhiliangbiaozhun。

3結論

幸运时代爆奖大赢家棋牌游戏(1)chouyangduidiandufeishuizhongfeizhenglinsuanyanzhuanhualvdeyingxiangyuchouyangtoujialiang、chouyangfanyingshijian、feishuichushizonglinnongduyijifeishuichushiphyouguan。chouyangtoujialiangyueda,fanyingkaishijieduansulvyuekuai,feizhenglinsuanyanzuizhongzhuanhualvyuegao;feizhenglinsuanyanzhuanhualvsuifeishuizhongfeizhenglinsuanyannongduzengjiaerjiangdi;phduifeizhenglinsuanyanzhuanhualvyingxiangbuxianzhu。

幸运时代爆奖大赢家棋牌游戏(2)caiyongca(oh)2hepamzuoweichendianjihezhuningjiduiyanghuahoudefeishuijinxingchulixiaoguojiaohao。ca(oh)2zuijiatoujiazhiliangnongduwei400mg/l,pamzuijiatoujiazhiliangnongduwei0.3mg/l。zuizhongchushuizhenglinsuanyanzhiliangnongdukejiangdizhi0.1mg/l,zonglinzhiliangnongdukejiangdizhi0.4mg/lyixia,dadao《dianduwuranwupaifangbiaozhun》(gb21900—2008)yijimanzu《dibiaoshuihuanjingzhiliangbiaozhun》(gb3838—2002)zhongⅴleishuitibiaozhunxianzhi。

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