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 XIANGXIJIESHAO: SHIFAYANQITUOLIUDEJIBENYUANLI   (1)WULIXISHOUDEJIBENYUANLI     QITIXISHOUKEFENWEIWULIXISHOUHEHUAXUEXISHOULIANGZHONG。RUGUOXISHOUGUOCHENGBUFASHENGXIANZHUDEHUAXUEFANYING,DANCHUNSHIBEIXISHOUQITIRONGJIEYUYETIDEGUOCHENG,CHENGWEIWULIXISHOU,RUYONGSHUIXISHOUSO2。WULIXISHOUDETEDIANSHI,SUIZHEWENDUDESHENGGAO,BEIXIQITIDEXISHOULIANGJIANSHAO。    WULIXISHOUDECHENGDU,QUJUEYUQI--YEPINGHENG,ZHIYAOQIXIANGZHONGBEIXISHOUDEFENYADAYUYEXIANGCHENGPINGHENGSHIGAIQITIFENYASHI,XISHOUGUOCHENGJIUHUIJINXING。YOUYUWULIXISHOUGUOCHENGDETUIDONGLIHENXIAO,XISHOUSULVJIAODI,YINERZAIGONGCHENGSHEJISHANGYAOQIUBEIJINGHUAQITIDEQIXIANGFENYADAYUQIYEPINGHENGSHIGAIQITIDEFENYA。WULIXISHOUSULVJIAODI,ZAIXIANDAIYANQIZHONGHENSHAODANDUCAIYONGWULIXISHOUFA。     (2)HUAXUEXISHOUFADEJIBENYUANLI     RUOBEIXISHOUDEQITIZUFENYUXISHOUYEDEZUFENFASHENGHUAXUEFANYING,ZECHENGWEIHUAXUEXISHOU,LIRUYINGYONGJIANYEXISHOUSO2。YINGYONGGUTIXISHOUJIYUBEIXISHOUZUFENFASHENGHUAXUEFANYING,ERJIANGQICONGYANQIZHONGFENLICHULAIDEGUOCHENG,YESHUYUHUAXUEXISHOU,LIRULUNEIPENGAI(CaO)YANQITUOLIUYESHIHUAXUEXISHOU。SHIFAYANQITUOLIUDEJIBENYUANLI   (1)WULIXISHOUDEJIBENYUANLI     QITIXISHOUKEFENWEIWULIXISHOUHEHUAXUEXISHOULIANGZHONG。RUGUOXISHOUGUOCHENGBUFASHENGXIANZHUDEHUAXUEFANYING,DANCHUNSHIBEIXISHOUQITIRONGJIEYUYETIDEGUOCHENG,CHENGWEIWULIXISHOU,RUYONGSHUIXISHOUSO2。WULIXISHOUDETEDIANSHI,SUIZHEWENDUDESHENGGAO,BEIXIQITIDEXISHOULIANGJIANSHAO。    WULIXISHOUDECHENGDU,QUJUEYUQI--YEPINGHENG,ZHIYAOQIXIANGZHONGBEIXISHOUDEFENYADAYUYEXIANGCHENGPINGHENGSHIGAIQITIFENYASHI,XISHOUGUOCHENGJIUHUIJINXING。YOUYUWULIXISHOUGUOCHENGDETUIDONGLIHENXIAO,XISHOUSULVJIAODI,YINERZAIGONGCHENGSHEJISHANGYAOQIUBEIJINGHUAQITIDEQIXIANGFENYADAYUQIYEPINGHENGSHIGAIQITIDEFENYA。WULIXISHOUSULVJIAODI,ZAIXIANDAIYANQIZHONGHENSHAODANDUCAIYONGWULIXISHOUFA。     (2)HUAXUEXISHOUFADEJIBENYUANLI     RUOBEIXISHOUDEQITIZUFENYUXISHOUYEDEZUFENFASHENGHUAXUEFANYING,ZECHENGWEIHUAXUEXISHOU,LIRUYINGYONGJIANYEXISHOUSO2。YINGYONGGUTIXISHOUJIYUBEIXISHOUZUFENFASHENGHUAXUEFANYING,ERJIANGQICONGYANQIZHONGFENLICHULAIDEGUOCHENG,YESHUYUHUAXUEXISHOU,LIRULUNEIPENGAI(CaO)YANQITUOLIUYESHIHUAXUEXISHOU。SO2(QITI)     ||     SO2(YETI)+Ca(OH)2 → CaSO3+H2O    ←     HUAXUEXISHOUGUOCHENGZHONG,BEIXISHOUQITIDEQIYEPINGHENGGUANXI,JIYINGFUCONGXIANGPINGHENGGUANXI,YOUYINGFUCONGHUAXUEPINGHENGGUANXI。     (4)HUAXUEXISHOUGUOCHENGDESULVJIGUOCHENGZULI     HUAXUEXISHOUGUOCHENGDESULV,SHIYOUWULIXISHOUDEQIYECHUANZHISUDUHEHUAXUEFANYINGSUDUJUEDINGDE。HUAXUEXISHOUGUOCHENGDEZULI,YESHIYOUWULIXISHOUQIYECHUANZHIDEZULIHEHUAXUEFANYINGZULIJUEDINGDE。     ZAIWULIXISHOUDEQIYECHUANZHIGUOCHENGZHONG,BEIXISHOUQITIQIYELIANGXIANGDEXISHOUSULV,ZHUYAOQUJUEYUQIXIANGZHONGBEIXISHOUZUFENDEFENYA,HEXISHOUDADAOPINGHENGSHIYEXIANGZHONGBEIXISHOUZUFENDEPINGHENGFENYAZHICHA。CIWAI,YEHECHUANZHIXISHUYOUGUAN,BEIXISHOUQITIQIYELIANGXIANGJIANDECHUANZHIZULI,TONGCHANGQUJUEYUTONGGUOQIMOHEYEMOFENZIKUOSANDEZULI。     YANQITUOLIUTONGCHANGSHIZAILIANXUJISHUNJIANNEIJINXING,FASHENGDEHUAXUEFANYINGSHIJIKUAIFANYING、KUAIFANYINGHEZHONGDENGSUDUDEFANYING,RUNaOH、Na2CO3、HECa(OH)2DENGJIANYEXISHOUSO2。WEICI,BEIXISHOUQITIQIYEXIANGJIANDECHUANZHIZULI,YUANJIAOGAIQITIZAIYEXIANGZHONGYUJIANYEJINXINGFANYINGDEZULIDADEDUO。DUIYUJIKUAIBUKENIFANYING,XISHOUGUOCHENGDEZULI,QIGUOCHENGWEICHUANZHIKONGZHI,HUAXUEFANYINGDEZULIKEHULVEBUJI。LIRU,YINGYONGJIANYEHUOANSHUIXISHOUSO2SHI,HUAXUEXISHOUGUOCHENGWEIQIMOKONGZHI,GUOCHENGDEZULIWEIQIMOCHUANZHIZULI。     YEXIANGZHONGFASHENGDEHUAXUEFANYING,SHIKUAIFANYINGHEZHONGDENGSUDUDEFANYINGSHI,HUAXUEXISHOUGUOCHENGDEZULIYINGTONGSHIKAOLVCHUANZHIZULIHEHUAXUEFANYINGZULI。    (5)JIANYENONGDUDUICHUANZHISUDUDEYINGXIANG     YANJIUDECHU,YINGYONGJIANYEXISHOUSUANXINGQITISHI,JIANYENONGDUDEGAODIDUIHUAXUEXISHOUDECHUANZHISUDUYOUHENDADEYINGXIANG。DANGJIANYEDENONGDUJIAODISHI,HUAXUECHUANZHIDESUDUJIAODI;DANGTIGAOJIANYENONGDUSHI,CHUANZHISUDUYESUIZHIZENGDA;DANGJIANYENONGDUTIGAODAOMOUYIZHISHI,CHUANZHISUDUDADAOZUIDAZHI,CISHIJIANYEDENONGDUCHENGWEILINJIENONGDU;DANGJIANYENONGDUGAOYULINJIENONGDUSHICHUANZHISUDUBINGBUZENGDA。     WEICI,ZAIYANQITUOLIUDEHUAXUEXISHOUGUOCHENGZHONG,DANGYINGYONGJIANYEXISHOUYANQIZHONGDESO2SHI,SHIDANGTIGAOJIANYEDENONGDU,KEYITIGAODUISO2DEXISHOUXIAOLV。DANSHI,JIANYEDENONGDUBUDEGAOYULINJIENONGDU。CHAOGUOLINJIENONGDUZHIHOU,JINYIBUTIGAOJIANYEDENONGDU,TUOLIUXIAOLVBINGBUNENGTIGAO。KEYIDECHU,ZAIYANQITUOLIUZHONG,XISHOUSO2DEJIANYENONGDU,BINGFEIYUGAOYUHAO。JIANYEDEZUIJIANONGDUWEILINJIENONGDU,CISHITUOLIUXIAOLVZUIGAO。    (6)ZHUYAOHUAXUEFANYING     ZAISHIFAYANQITUOLIUZHONG,SO2HEXISHOUJIDEZHUYAOHUAXUEFANYINGRUXIA    (7)TONGSHUIDEFANYING     SO2RONGYUSHUIXINGCHENGYALIUSUAN     H2O+SO2 ──→ H2SO3 ──→ H+HSO3 ──→ 2H+ + SO32    ←── ←── ←──     WENDUSHENGGAOSHI,FANYINGPINGHENGXIANGZUOYIDONG。    (8)TONGJIANFANYING     SO2JIYIYUJIANXINGWUZHIFASHENGHUAXUEFANYING,XINGCHENGYALIUSUANYAN。JIANGUOSHENGSHISHENGCHENGZHENGYAN;SO2GUOSHENGSHIXINGCHENGSUANSHIYAN。    2MeOH+SO2 ─→Me2SO3+H2O    Me2SO3+SO2+H2O ─→ 2MeHSO3    Me2SO3+MeOH ─→ Me2SO4+H2O     YALIUSUANYANBUWENDING,KEBEIYANQIZHONGCANLIUDEYANGQIYANGHUACHENGLIUSUANYAN:    Me2SO3+1/2O2─→MeSO4    (9)TONGRUOSUANYANFANYINGSO2YITONGRUOSUANYANFANYINGSHENGCHENGYALIUSUAN,JIZHIBEIYANQIZHONGDEYANGQIYANGHUACHENGWENDINGDELIUSUANYAN。RUTONGSHIHUISHIFANYING:     CaCO3+SO2+1/2H2O ─→CaSO3•1/2H2O+CO2↑    2CaSO3•1/2H2O+O2+3H2O ─→2CaSO4•2H2O    (10)TONGYANGHUAJIFANYING    SO2TONGYANGHUAJIFANYINGSHENGCHENGSO3    SO2+1/2O2 CUIHUAJI SO3    ─────→     ZAICUIHUAJIDEZUOYONGXIA,KEJIASUSO2YANGHUACHENGSO3DEFANYING。ZAISHUIZHONG,SO2JINGCUIHUAJIZUOYONGBEIXUNSUYANGHUACHENGSO3,BINGSHENGCHENGH2SO4:    SO2+1/2O+H2O CUIHUAJI H2SO4    ─────→ 1.6.5 TONGJINSHUYANGHUAWUDEFANYING     JINSHUYANGHUAWU,RUMgO、ZnO、MnO、CuODENG,DUISO2JUNYOUXISHOUNENGLI,RANHOUZAIYONGJIAREDEFANGFASHIXISHOUJIZAISHENG,BINGDEDAOGAONONGDUDESO2。ZHEILIYIMgOWEILIJIAYISHUOMING:     MgO+H2O ─→Mg(OH)2     Mg(OH)2+SO2+5H2O ─→MgSO3•6H2O    MgSO3•6H2O △ MgSO3+6H2O↑    ───→     MgSO3 △ MgO+SO2    ───→     XISHOUJIZAISHENGHOUKEXUNHUANSHIYONG,BINGKEHUISHOUSO2,DADAOGAONONGDUDEQITAISO2。JINGYEHUAHOUDEDAOYETAISO2。

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