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化学沉淀法制备超细硫酸钡的具体方法是什么

来源:河南钡丰化工有限公司   时间:2019-04-09

  化学沉淀法制备超细硫酸钡

3d走势图带连线图  LIUSUANBEI(BaSO4)CHAOXIKELISHIZHILIJINGWEI100nmZUOYOUDEWEIXIAOLIZI。CHAOXIBaSO4FENTIJUYOUYOUYUEDEGUANGXUEXINGNENG、LIANGHAODEFENSANXINGYIJIJIAOHAODEXIFUXINGDENGYOUDIAN,YONGYUTULIAOZHONGKEYIGAISHANTULIAODELIUDONGXING,FANGZHILIUGUAHECHENDIAN。LINGWAI,CHAOXIBaSO4FENTIHAIGUANGFANYINGYONGYUYOUQI、TAOCI、SULIAO、ZAOZHI、XUQIANDIANCHIDENGXINGYE。

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  YINCI,BENWENZHUYAOZHENDUIHUAXUECHENDIANFAZHIBEICHAOXIBaSO4FENTIGUOCHENGZHONGDETUANJUWENTI,YANJIUYIZHITUANJUDEFANGFA,TONGGUOSHIYANQUEDINGCHENDIANFAZHIBEIFENSANXINGJIAOHAODECHAOXIBaSO4FENTIDEJUTIFANGFA。

  1SHIYANGZHIBEIYUSHIYANFANGFA

  1.1SHIYANGZHIBEI

  SHIYANYONGSHIJI:LIUSUANNA(Na2SO4,CHUNDU≥99.7%),BEIJINGHUAXUESHIJISANCHANGSHENGCHAN:LVHUABEI(BaCL2,CHUNDU≥99.5%)HEWUSHUIYICHUN(CHUNDU≥99.7%),TIANJINSHIHUAXUESHIJISANCHANGSHENGCHAN;QULIZISHUI(pH=6.6),NEIMENGGUGONGYEDAXUESHIJIBUTIGONG。

  ZAISHIWENXIA,XIANPEIZHINONGDUWEI0.1mol·l-1DEBaCl2RONGYE50ml,JIARUTIJIFENSHUWEI15%WUSHUIYICHUNZUOWEIFENSANJI,CHONGFENJIAOBANHOU,ANHECHENGBaSO4FENTIDELILUNPEIBI,YIBUTONGDESULVDIRUYUBaCl2RONGYEXIANGTONGNONGDUHETIJIDENa2SO4RONGYE,DIWANHOUJIAREZHIBUTONGJIEJINGWENDUJIXUYIBUTONGDEZHUANSUJIAOBAN10min。JIANGFANYINGCHANWUFANGZAILD4-2XINGLIXINJIZHONGYI4000r·min-1DEZHUANSULIZI5min,DAOQUSHANGCENGQINGYE,YONGWUSHUIYICHUNXIDILIANGBIAN,LIXINFENLI,JIANGDEDAODEBaSO4ZAI80℃XIAHONGGAN2hHOUSHAOJIAYANMOJIDEDAOCHAOXIBaSO4FENTI。

  1.2SHIYANFANGFA

  YONGH-800XINGTOUSHEDIANJING(TEM)、DEGUOD8-Ad-varceXINGXSHEXIANYI(XRD)N4-plusXINGDUOJIAODUCHAOXIKELIJIGUANGLIDUFENXIYIDENGDUIBUTONGGONGYICANSHUXIAZHIBEIDEBaSO4KELICHICUN、JINGXIANGHELIJINGFENBUJINXINGBIAOZHENG。

  2SHIYANJIEGUOYUTAOLUN

3d走势图带连线图  2.1ZHIBEIGONGYICANSHUDEQUEDING

  2.1.1Na2SO4RONGYEDIRUSULV

  


  YOUTU1KEJIAN,QITATIAOJIANYIDINGSHI,DANGNa2SO4RONGYEDEDIRUSULVZAI1.0-1.5ml·min-1SHI,BaSO4KELIPINGJUNLIJINGCONG215nmJIANXIAOZHI80nm;DANGDIRUSULVZAI1.5-4.5ml·min-1SHI,KELIPINGJUNLIJINGYOUSUIDIRUSULVDEZENGJIAERZENGDA,CONG80nmZENGDAZHI210nm。GENJUJINGDIANJIEJINGLILUN,LIAOYEDIRUSULVYUEKUAI,DANWEISHIJIANNEIRONGYEXINGCHENGDEGUOBAOHEDUJIUYUEDA,HUIXINGCHENGBIJIAOXIDE、LIJINGFENBUJUNYUNDEWEILI,DANBENSHIYANZHONG,YOUYUCUNZAITUANJUXIANXIANG,SUIZHEDIRUSULVDEJIAKUAIKELILIJINGYOUZENGDADEQUSHI;ERDIRUSULVYUEMAN,DUIJINGTIDESHENGZHANGYUEYOULI。SUOYISHIYIDEDIRUSULVWEI1.5ml ·min-1。

  2.12JIAOBANZHUANSU

  


3d走势图带连线图  YOUTU2KEJIAN,QITATIAOJIANYIDINGSHI,DANGJIAOBANZHUANSUZAI100-350r·min-1SHI,SUIZHEJIAOBANZHUANSUDEZENGJIA,BaSO4KELIPINGJUNLIJINGCONG228nmJIANXIAOZHI80nm。ZHEISHIYINWEIBAOCHIJIAOGAODEJIAOBANZHUANSUHUISHISHENGCHENGDETUANJUTISHOUDAOSHUILIUJIAODONGERPOHUAI,TUANJUTIDELIJINGBIANXIAO,ZHEISHUOMINGYEXIANGZHONGBaSO4KELIJIANBINGMEIYOUXINGCHENGLAOGUDEHUAXUEJIAN;DANGJIAOBANZHUANSUZAI350-900r·min-1ZENGJIASHI,KELILIJINGYOUCONG80nmZENGDAZHI226nm。ZHEISHIYOUYUSUIZHEJIAOBANZHUANSUZENGJIA,KELIZHIJIANDEPENGZHUANGJILVYEZENGJIA,YINERTUANJUTILIJINGYEXIANGYINGDEZENGJIA。SUOYISHIYIDEJIAOBANZHUANSUWEI350r·min-1.

  2.13JIEJINGWENDU

  


  YOUTU3KEJIAN,DANGQITATIAOJIANYIDING,JIEJINGWENDUZAI20-55℃FANWEIBIANHUASHI,BaSO4KELILIJINGYUJIEJINGWENDUJIBENCHENGXIANXINGZENGDA,CONG100nmZENGDAZHI200nm。ZHEISHIYOUYUZAIDIWENQUYOULIYUSHENGCHENGDALIANGDEJINGHE,CONGERXIHUABaSO4KELI。SUIZHEWENDUDESHANGSHENG,JINGLIDEBIAOMIANNENGXIAJIANG,SHIBaSO4KELITUANJU;QICI,WENDUSHENGGAO,FENZIREYUNDONGJIAJU,KELIZHIJIANDEPENGZHUANGJILVZENGJIA,KELIXUNSUZHANGDA;LINGWAI,SHIHUAXUEFAZHIDEDEFENTIKELILIJINGTONGCHANGYUQICHENGHEJILIYOUGUAN,DANGWENDUSHENGGAOSHI,SHENGZHANGJIYUANDEWENDINGXINGJIANGDI,JINGTIDECHENGHESULVJIANXIAO,YINCIZHIDEDEBaSO4FENTIKELILIJINGZENGDA。SUOYISHIYIDEJIEJINGWENDUWEI20℃。

  2.2WUSHUIYICHUNDEFENSANXIAOGUO

3d走势图带连线图  YONGYOUJIRONGJICHONGXIYIYUHUODENAMIKELI。RUYONGWUSHUIYICHUNDUOCIXIDISHININGJIAO,HONGGANHOUJIZHIDEFENSANDEGANNINGJIAO。QIJILISHI:ZAIZHIPINDEGANZAOJIEDUAN,KELIBIAOMIANYOUYUSHUIDEZHENGFAERLUCHUGUXIANGHEMAOXIKONGXINGCHENGGU-QIJIEKOU,ZAIMAOXIGUANLIDEZUOYONGXIASHIXIANGJIEKOUSHOUSUO,YUGUXIANGBIAOMIANQIANGJIXINGCHENGQINGJIANDESHUIFENZIXIANGHUJIEJIN,SHUIFENZIZAILIANGGEKELIBIAOMIANZHIJIANXINGCHENGQIAOLIANDEQINGJIAN,ZAIYIJINBUGANZAOTUOQUSHUIFENZIERXINGCHENG“-O-”HUAXUEJIAN。WEILEFANGZHIGANZAOGUOCHENGZHONGTUANJUTIDEXINGCHENG,KEDUICHENDIANWUJINXINGCHULIYIXIAOCHUHUAXUEJIEHE“-OH·JITUAN”ZHIJIANDEQINGJIANZUOYONG。YONGBIAOMIANZHANGLIBISHUIXIAODEWUSHUIYICHUNXIDICHENDIANWU,JIANGCANLIUZAIKELIJIANDESHUIJIZAZHILIZICHUQU,KEYIJIANQINGFENTIKELIDETUANJUCHENGDU。SHIYANZHONGJIARUWUSHUIYICHUNZUOWEIFENSANJI,ZHIDEBaSO4KELIDELIJINGZAI61-129nmFANWEINEI。

  2.3WUXIANGZUCHENG

  


3d走势图带连线图  TU4BIAOMING,CAIYOUYOUHUAGONGYIZHIBEIBaSO4FENTIDEXRDPUZHONGMEIGEYANSHEFENGJUNYUJCPDSKAPIANZHONG80-0512DEYANSHEFENGYIYIDUIYING,BUCUNZAIZAZHIXIANG,SHUOMINGCHANPINWEIGAOCHUNDU(JINGJISUAN≥98%)、ZHENGJIAOJINGXIBaSO4;JINGUANJISUANDEDAOBaSO4DEPINGJUNLIJINGZHIYOU80nmZUOYOU,DANCONGTUZHONGKEYIKANDAOQIYANSHEFENGRENGXIANGDANGJIANRUI,SHUOMINGBaSO4JIEJINGWANZHENG。

  2.4KELIXINGMAO

  


  TU5BIAOMING,CAIYONGHUAXUECHENDIANFAYOUHUAGONGYIZHIDEBaSO4KELIDEPINGJUNLIJINGYUJISUANZHIJIBENYIZHI,XINGZHUANGJUNYI,FENSANXIAOGUOHAO,KELIZHIJIANMEIYOUMINGXIANDETUANJUXIANXIANG。

  2.5LIJINGFENBU

  


  YOUTU6KEYIKANCHU,CAIYONGHUAXUECHENDIANFAYOUHUAGONGYIZHIBEIDEBaSO4KELIPINGJUNLIJINGWEI80nm,LIJINGFENBUFUHEZHENGTAIFENBU。BUTONGLIJINGFANWEINEILIZIDEZHILIANGFENSHURUXIA:61-73nmDEYOU17.4%,73-87nmDEYOU39.5%,87-102nmDEYOU31.9%,102-129nmDEYOU11.2%。

  3.JIELUN

  (1)CAIYONGHUAXUECHENDIANFAZHIBEIBaSO4CHAOXIFENTISHI,JIARUTIJIFENSHUWEI15%DEWUSHUIYICHUNZUOWEIFENSANJI,KEYOUXIAOYIZHIKELIJIANDETUANJUXIANXIANG,SHIBaSO4KELILIJINGFENBUJUNYUN、CHUNDUGAO、JINGXIANGWANZHENG。

  (2)ZHIBEIGUOCHENGZHONGLIAOYEDIRUSULV、JIAOBANZHUANSU、JIEJINGWENDUDENGGONGYICANSHUXIANZHUYINGXIANGBaSO4KELILIJING;DANGDIRUSULVWEI1.5ml·min-1、JIAOBANZHUANSUWEI350r·min-1、JIEJINGWENDUWEI20℃SHI,ZHIDEDEKELILIJINGZAI61-129nmFANWEINEI,PINGJUNLIJINGWEI80nm。


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