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VOCs催化劑常見問題解答

作者:羅孟飛 來源:鉑銳催化 日期:2017-12-07 09:01:07 人氣:129

手机捕鱼        YOUYUGUOJIADUIWURANGUANKONGDEYUELAIYUEYANGE,DUIVOCsJINGHUAJIANGUANYEYUELAIYUEGUIFAN。ZUOWEICHULIVOCsDEZHUYAOJISHU-CUIHUARANSHAODEYINGYONGRIQUPUJI。YINCI,SHENGCHANHESHIYONGCUIHUARANSHAOJISHU、NONGSUOCUIHUARANSHAOJISHU、XURECUIHUARANSHAOJISHUDEQIYEYERUYUHOUCHUNSUN。HENDUOHUANBAOSHEBEIGONGSIHEZHONGDUANYONGHUDUICUIHUARANSHAOJISHUBINGBULEJIE,SHENZHIHENDUOCUIHUAJISHENGCHANGONGSI,YEBUWANQUANLEJIE。WEICI,WOZONGJIELEVOCsCUIHUAJICHANGJIANWENTI,HUANYINGDAJIABUCHONGGENGXIN。

1.什么是VOCs?

       DA:BAIDUSHANGDEJIESHISHI:ZAIWOGUO,VOCs(volatileorganiccompounds)HUIFAXINGYOUJIWU,SHIZHICHANGWENXIABAOHEZHENGQIYADAYU70Pa、CHANGYAXIAFEIDIANZAI260℃YIXIADEYOUJIHUAHEWU,HUOZAI20℃TIAOJIANXIAZHENGQIYADAYUHUOZHEDENGYU10PaJUYOUXIANGYINGHUIFAXINGDEQUANBUYOUJIHUAHEWU。

手机捕鱼        VOCsZHONGDEsSHIYINGWENLIDEFUSHU,YOUHENDUOZHONGVOCDEYISI。

2.VOCs的危害

       DA:VOCsYESHICANYUDAQIGUANGHUAXUEFANYINGZHUYAOWUZHI,SHENGCHENGPM2.5HECHOUYANG,SHIDAOZHIKONGQIZHILIANGXIAJIANGDEZHUYAOWUZHI。DUIRENTIDEYINGXIANGBAOKUOSUNHAISHENJING、FEI、SHENZANG、XUEYE、GANZANGJIXINCHENDAIXIE。

3.什么是催化劑?

       DA:GENJUGUOJICHUNCUIHUAXUEYUYINGYONGHUAXUELIANHEHUI(IUPAC)1981NIANDEDINGYI:CUIHUAJISHIYIZHONGGAIBIANFANYINGSULVDANBUGAIBIANFANYINGZONGBIAOZHUNJIBUSIZIYOUNENGDEWUZHI。CUIHUAJINENGGOUJIAKUAIHUAXUEFANYINGSULVHEGAIBIANHUAXUEFANYINGTUJING。CUIHUAJIZAIHUAXUEFANYINGZHONGYINQIDEZUOYONGJIAOCUIHUAZUOYONG。

4.觸媒與催化劑?

手机捕鱼        DA:ZAIRIWENZHONG“CHUMEI”SHICUIHUAJIDEYISI,ZAOQIWOMENJIEYONGLERIWENDEHANZI“CHUMEI”。XIANZAIWOMENCAIYONGLECUIHUAJIXINMINGZI,ZAIRIBENHEZHONGGUOTAIWANYIRANSHIYONG“CHUMEI”。MUQIANZAISHANGYESHANG“CHUMEI”HE“CUIHUAJI”SHIYONGDEBIJIAOHUNLUAN,RUGUANGCHUMEI,GUANGCUIHUA,HECHENGANCUIHUADETIECHUMEIHETIECUIHUAJI。ANZHAOBIAOZHUNDEYONGFA,YINGGAIYONGCUIHUAJIERFEI“CHUMEI”。

 5.直接燃燒與催化燃燒的區別?

       DA:ZHIJIERANSHAO(RELIRANSHAO)JIUSHIBAQITIWENDUTIGAODAOZISHENKERANSHAODEWENDU,YIBANXUYAO850oC,LEISIYULAJIFENSHAO。CUIHUARANSHAOJIUSHIZAICUIHUAJIDEBANGZHUXIA,SHIVOCsDERANSHAOWENDUJIANGDI,FANYINGKEYIZAI320oCZUOYOUFASHENG。

6.有不需要加熱的催化劑嗎?

       DA:JINGCHANGPENGDAOYOURENWEN,ZAIBUJIAREDEQINGKUANGXIA,NENGBUNENGCUIHUAVOCs。GENJUWOLEJIE,MUQIANZHIYOUQINGQI,YIYANGHUATAN、JIAQUANDEYANGHUAFANYINGNENGZAISHIWENTIAOJIANXIAJINXING。QITAVOCsDECUIHUARANSHAODOUXUYAOWENDU。

7.催化劑的空速和接觸時間

       DA:FANYINGKONGSUSHIZHIGUIDINGDETIAOJIANXIA,DANWEISHIJIANDANWEITIJICUIHUAJICHULIDEQITILIANG,DANWEIWEIm3/(m3CUIHUAJI˙h),JIh-1。KONGSUFANYINGLECUIHUAJIDECHULINENGLI。

DUIYUVOCsCUIHUAJIGEICHUDESHITIJIKONGSU,TIJIKONGSU=YUANLIAOTIJILIULIANG(Nm3˙h-1)/CUIHUAJITIJI(m3)。

       CUIHUAJIDEJIECHUSHIJIANSHIFANYINGQITIZAICUIHUAJICHUANGCENGZHONGTINGLIUDESHIJIAN,JIFANYINGSHIJIAN。JIECHUSHIJIAN(s)=3600/KONGSU。

8.VOCs催化劑的起燃溫度

手机捕鱼        DA:CUIHUAJIDEVOCsDEQIRANWENDU,SHISHIYANSHIDUICUIHUAJIHUOXINGDEMIAOSHU。QIRANWENDU,YINGWENSHIlight-offtemperature,ZHEGEMUQIANYESHANGWEITONGYI,YOUDEZHIYOUJIWUZHUANHUALVDADAO50%DEWENDU。DUIYUVOCs,WORENWEIYIZHUANHUALVWENDU99%DEDIWENDULAIBIJIAOCUIHUAJIHUOXINGGENGJIAKEXUE。

9.如果VOCs濃度下降,是否可相應減少催化劑?

       DA:CENGJINGYOURENWEN,RUGUO4000mg/m3DEVOCs,SHEJIZHUANGCUIHUAJI500L,NEIMERUGUO400mg/m3DEVOCsSHIFOUZHIYOUZHUANG50LCUIHUAJIJIUKEYILE。HUIDAZHEGEWENTIBIJIAOFUZA,ZHINENGSHUORUGUO400mg/m3DEVOCsYIRANXUYAO500LCUIHUAJI。

10.催化劑床層高度對催化劑有影響嗎?

       DA:CUIHUAJICHUANGCENGXUYAOYIGEHELIGAODU,YIBANWEI300mm。TAIGAOHETAIDIHUIYINGXIANGCUIHUAXIAOGUO。

11.蜂窩催化劑如果上下直接填裝會堵塞孔道嗎?

       DA:DAOMUQIANWEIZHI,HUANMEIYOUTINGSHUOZHEZHONGQINGKUANGFASHENG。

12.催化劑的中毒物質是什么?

       DA:SHUZHI、GAOFEIDIANJUHEWU、JIAOYOU、ZHONGJINSHU(Hg、Pb、Sn、Zn),YOUJILIN,LINHUAWU,YOUJIGUI,JIHANFUYOUJIWUDENGWUZHI。BUGUOCUIHUAJIKANGZHONGDUXINGNENGYUCUIHUAJIXINGNENGYOUGUAN。

13.含Cl和含S的有機物會能用催化燃燒技術嗎?

       DA:QUJUEYUCUIHUAJIXINGNENG,BUGUOCHULIHOUDEWEIQIXUERCICHULIHCl、SOxDENGWUZHI。

14.催化劑的熱穩定性

手机捕鱼        DA:YOUYUCUIHUARANSHAOSHIQIANGFANGREFANYING,DANGVOCsNONGDUJIAOGAOSHI,CUIHUAJICHUANGCENGSHENGWENMINGXIAN,YINCIYAOQIUCUIHUAJIYOUBIJIAOGAODEREWENDINGXING。SHIYANSHISHICESHIGAOWENBEISHAOCUIHUAJIDEHUOXINGYUXINXIANCUIHUAJIHUOXINGDEXIAJIANGFUDULAIBIAOZHENGCUIHUAJIDEREWENDINGXINGDE。


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