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國內外SCR脫硝催化劑發展概況、應用現狀及成型工藝分析

文章作者:佚名發布時間:19-12-25瀏覽次數:

BEIJIXINGDAQIWANGXUN:ZHAIYAO:JIESHAOLEGUONEIWAIFANTAIXISCRTUOXIAOCUIHUAJIDEYINGYONGXIANZHUANG,CHANSHULEDIWENMENGXISCRTUOXIAOCUIHUAJIDEYANJIUJINZHANYUGONGCHENGTANSUOQINGKUANG,ZONGJIELESHANGYONGFENGWOZHUANG、BANSHIHEBOWENSHISCRCUIHUAJIDECHENGXINGGONGYI,BINGZHENDUIBUTONGXINGYETEXINGTICHULETUOXIAOCUIHUAJIYANJIUFANGXIANG。

XUANZEXINGCUIHUAHUANYUANJISHU(ive catalytic reduction,SCR)SHIKONGZHIDANYANGHUAWU(NOx)PAIFANGDEZUIWEIGUANJIANDEJISHU,GUANGFANYINGYONGYUREDIANCHANG、FENSHAOCHANGDENGGONGYEYANQITUOXIAO,YIJICHAIYOUJIDONGCHEWEIQIJINGHUA。GAIJISHUYINIAOSU、ANSHUIHUOYEANCHANSHENGDENH3WEIHUANYUANJI,HEXINSHICUIHUAHUOXINGHAO、XUANZEXINGGAO、JIXIEQIANGDUGAOQIEYUNXINGWENDINGDETUOXIAOCUIHUAJI。SCRCUIHUAJICONGZUICHUDIANLITUOXIAOXINGYEDECHUANTONGFANTAICUIHUAJIDEPUJIYINGYONG,DAOMUQIANYINGYONGYUGANGTIE、BOLIDENGFEIDIANXINGYEDEDIWENCUIHUAJIDEGUANGFANYANJIU,QIFAZHANHEYINGYONGDEDAOTUPOXINGJINZHAN。CHUANTONGFANTAICUIHUAJIDEFAZHANYIJINGXIANGDUICHENGSHU,DANYINGYONGFANWEIZHAI,TIAOJIANKEKE;DIWENCUIHUAJICUNZAIYIZHONGDU、SHOUMINGDI、GONGKUANGSHIYONGXINGDENGWENTIJIXUJIEJUE。SCRCUIHUAJICHENGXINGGONGYISHIQIYINGYONGYUGONGYETUIGUANGDEGUANJIANSUOZAI,WOGUOZAICHUANTONGCUIHUAJICHENGXINGJISHUQUDEQUANMIANXINGPUJIYUTUIGUANG,DANXIANGBIGUOWAICUIHUAJIDEYINGYONGXIAOGUOBUJIA;JINJINIANDIWENSCRCUIHUAJIDEYANJIUGONGZUOQUDETUPOXINGCHENGGUO,YINGYONGHETUIGUANGYOUDAIGONGCHENGXIAOYAN。YINCI,TONGGUOSHENRUYANJIUCUIHUAJISHENGCHANJISHUHECHENGXINGGONGYI,YANFAJINGDEZHUSHIJIGONGCHENGKAOYANDEJUYOUZIZHUZHISHICHANQUANCUIHUAJISHIWEILAISCRJISHUFAZHANDEZHONGYAOHUANJIE。

1 傳統SCR脫硝催化劑發展歷程

1.1 GUOWAISCRCUIHUAJIDEYINGYONG

体育竞猜网MEIGUOEngelhard GONGSIZAI1957NIANSHOUCICHENGGONGYANFASCR CUIHUAJI,YOUPt、Rh HEPb DENGGUIJINSHUGOUCHENG,JUYOUHENGAODECUIHUAHUOXING,DANZAOJIAANGGUI、WENDUQUJIANZHAI、YIZHONGDU,BUSHIYUGONGYEYINGYONG。RIBENRILI、SANLINGZHONGGONGDENGSHENGCHANDEV2O5(WO3)/TiO2(FANTAIXI)CUIHUAJIJIAOZAOSHIXIANSHANGYEHUAYINGYONG。20SHIJIQIBASHINIANDAI,RIBENHEOUMEIXIANGJIJIANZAODUOTAOTUOXIAOXITONG,FANTAIXISCRCUIHUAJIDESHANGYEYINGYONGQUYUCHENGSHU,ZHUYAOYINGYONGYUDIANLIXINGYEYANQIWURANKONGZHI。JIN30NIANSCRCUIHUAJIZAIYANJIUHEYINGYONGFANGMIANDOUQUDEYIDINGJINZHAN,JUTIFAZHANGUOCHENGRUTU1。FAZHANZHIJIN,CHUANTONGSCRCUIHUAJISHENGCHANYUYINGYONGJISHUYIDEDAOPUJI,DANHEXINJISHUYOUGUOWAIDEJIJIADAXINGGONGSIZHANGWO,RUMEIGUOKANGNINGGONGSI、DEGUOLUQIGONGSI、RIBENBHKGONGSIDENG。

1.2 GUONEISCRCUIHUAJIDEFAZHANZHUANGKUANG

WOGUOHUANBAOXINGYEQIBUJIAOWAN,SCRCUIHUAJIDEYINGYONGZHIHOUYUXIFANGGUOJIA。1999NIAN,DALUSHOUCIYINRUSCRTUOXIAOCUIHUAJIYONGYUHUODIANXINGYEDEYANQIZHILI,SUIHOU10 NIANBUDUANTUIGUANGJIPUJI。JIEZHI2012NIAN,GUONEIYITOUYUNYANQITUOXIAOJIZURONGLIANGWEI120GW,BINGQIEJIN5NIANYOUBUDUANSHANGSHENGDEQUSHI,2016NIANHUODIANTUOXIAOJIZUZHANBIGAODA91.7%(XIANGJIANBIAO1)。“SHIYIWU”QIJIAN,WOGUONOxPAIFANGZONGLIANGCHENGZHUNIANSHANGSHENGQUSHI,2011NIANGAODA2405WANt(GONGYEYUANZHAN71.9%);ER《HUODIANCHANGDAQIWURANWUPAIFANGBIAOZHUN》(GB 13223—2011)DEYANGEZHIXINGJISCRTUOXIAOJIZUMANFUHETOUYUN,NOxPAIFANGZONGLIANGZHUNIANJIANGDI,2017NIANDEPAIFANGLIANGYIJIANGZHI1700WANtZUOYOU。

JINNIAN,DIANLIXINGYESCRCUIHUAJIPUJILVJIEJINBAOHE,MIANDUIRIYIYANJUNDEHUANBAOYALI,ZAIDIANLIXINGYEJIANPAINENGLIYOUXIANDEQINGKUANGXIA,FEIDIANXINGYE(GANGTIE、JIAOHUA、SHUINI、BOLI)NOx JIANPAIJIANGCHENGWEIZHONGDIAN。WOGUODETUOXIAOSHICHANGHUANJIANGBUDUANKUODA,SCRCUIHUAJIXUQIUQUEKOUYEJIANGKUODA。2006NIANZHIQIAN,GUONEIDECUIHUAJIGONGYINGJIBENYILAIGUOWAI,SUIZHUTUOXIAOCHANYEDETUIJIN,GUONEIGONGSIJIANLIQIXIANGYINGDECUIHUAJISHENGCHANJIDI,LAIBUDUANMANZURIYIZENGCHANGDEXUQIU。BIAO2GEICHULEWOGUOZHUYAODESCRTUOXIAOCUIHUAJISHENGCHANCHANGJIAJIQICUIHUAJIXINXI,MUQIANGUONEICUIHUAJIGONGSIHEXINJISHU(HUOXINGPEIFANGHECHENGXINGGONGYI)ZHUYAOYUANYUGUOWAI。DUIYUCHUANTONGFANTAIXICUIHUAJIDEFAZHAN,SHOUXIANRENWUSHIJINKUAISHIXIANWANQUANZIZHUGUOCHANHUA,BINGJIESHENGSHENGCHANCHENGBEN,ZENGJIASHICHANGJINGZHENGLI;TONGSHIJIAKUAICHUANTONGCUIHUAJIDEGAIXINGYANJIU,TUOKUANSHIYONGFANWEI,YANCHANGSHIYONGSHOUMING。

2 低溫SCR 催化劑研究與應用現狀

JINNIAN,FEIDIANXINGYEGONGYELUYAONOxPAIFANGBILIBUDUANPANSHENG,YIJINGCHENGWEIZHONGYAODEDAQIWURANYUAN。SHISANWUQIJIAN,“CHAODIPAIFANG”、“LANTIANBAOWEIZHAN”DENGGUIHUACUOSHIXIANGJISHIXING,DUIYUGONGYEYANQIWURANPAIFANGYOULEGENGYANGEYAOQIU。ZHENDUIGANGTIE、BOLIJIANCAIDENGFEIDIANLIXINGYEYANQIWENDUDIDETEXING(RUGANGTIESHAOJIE/QIUTUANYANWEN120~180℃、RIYONGBOLILUYAOYANWEN180~240℃),CHUANTONGDESCRTUOXIAOJISHUYINCUIHUAJIGONGZUOWENDUGAO、WUSHIYIREYUAN、JIAREYUNXINGCHENGBENGAODENGBIDUANBUYIZHIJIECAIYONG,BIXUDUICUIHUAJIJINXINGZHENDUIXINGGAILIANG,YITIGAOQIZAIDIWENYANQITUOXIAOLINGYUDESHIYONGXING。

2.1 DIWENSCRCUIHUAJIDEYANJIUYUTANSUO

体育竞猜网MUQIAN,GUONEIWAIDUIYUDIWENSCRCUIHUAJIDEYANJIUZHUYAOJIZHONGZAIFANJI(V)、MENGJI(Mn)HEQITAJINSHUYANGHUAWU(RUFe、Ce)DENG,BINGTONGGUOXIANGGUANGONGCHENGTANSUOQUDEYIDINGDEJINZHAN。

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