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醋酸乙酯工业合成方法

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醋酸乙酯工业合成方法

发布日期:2016-07-27 作者: 点击:

YI、1.ZHIJIEZHIHUAFASHIGUONEIGONGYESHENGCHANCUSUANYIZHIDEZHUYAOGONGYILUXIAN。YICUSUANHEYICHUNWEIYUANLIAO,LIUSUANWEICUIHUAJIZHIJIEZHIHUADECUSUANYIZHI,ZAIJINGTUOSHUI、FENLIUJINGZHIDECHENGPIN。

亚博足彩app2.YIQUANSUOHEFA:YIWANJILVWEICUIHUAJI,JIANGYIQUANJINXINGSUOHEFANYINGSHENGCHENGCUSUANYIZHI。GUOWAIGONGYESHENGCHANDADUOCAIYONGCIGONGYI。

3.YIXIYUCUSUANZHIJIEZHIHUASHENGCHENGCUSUANYIZHI。YISUANYIZHIYEKEYOUYISUAN、YIGANHUOYIXITONGYUYICHUNFANYINGZHIDE;YEKEZAIYICHUNLVCUIHUAXIA,YOULIANGFENZIYIQUANFANYINGSHENGCHENG。CIWAI,GONGYESHANGYOUDINGWANYANGHUAZHIYISUANSHIYEFUCHANYISUANYIZHI。

ER、1.ZHIHUAFA

YOUYISUANYUYICHUNZAILIUSUANCUNZAIXIAZHIJIEZHIHUAERDE。

SHENGCHANGONGYISHANGYOULIANXUYUJIANXIEZHIFEN。

亚博足彩app(1)JIANXIGONGYI。JIANGYISUAN、YICHUNHESHAOLIANGDELIUSUANJIARUFANYINGFU,JIAREHUILIU5-6h。RANHOUZHENGCHUYISUANYIZHI,BINGYONG5%DESHIYANSHUIXIDI,QINGYANGHUANAHELVHUANAHUNHERONGYEZHONGHEZHIPH=8。ZAIYONGYANGHUAGAIRONGYEXIDI,JIAWUSHUITANSUANJIAGANZAO。ZUIHOUZHENGLIU,SHOUJI76-77℃DELIUFEN,JIDECHANPIN。

(2)LIANXUGONGYI。1:1.15(ZHILIANGBI)DEYICHUNHEYISUANLIANXUJINRUZHIHUATAFU,ZAILIUSUANDECUIHUAXIAYU105-110℃XIAJINXINGZHIHUAFANYING。SHENGCHENGDEYISUANYIZHIHESHUIYIGONGFEIWUDEXINGSHICONGTADINGLIUCHU,JINGLENGNINGFENCENGHOU,SHANGCENGZHIBUFENHUILIU,QIYUJINRUCUPINCAO,XIACENGSHUIJINGHUISHOUYISUANYIZHIHOUFANGQI。CUZHIJINGTUODIFEIWUTATUOQUSHAOLIANGDESHUIHOUZAIRUJINGZHITA,TADINGKEDECHANPIN。CIGONGYIJIAOJIANXIFAHAO。

扬州化学试剂

2.YIQUANFA

YIQUANZAIYICHUNLVCUIHUAXIASHENGCHENGYISUANYIZHI。JIANGYIQUAN、YICHUNLVDENGLIANXUJIARULIANGGECHUANLIANDEFANYINGQI,YU0-20℃XIAJINXINGFANYING,DIERFANYINGQIDECHUKOUZHUANHUALVKEDA99.5%YISHANG,RANHOUJINGZHENGLIUDEYISUANYIZHI。SHOULVDA95%-96%,CIGONGYIBIJIAOJINGJI。

亚博足彩appSAN、YISUANHEYICHUNZAILIUSUANCUNZAIXIAJIAREZHIHUAHOU,JINGHUANGSUANNAZHONGHETUOSHUI,ZAIJINGLIUERDE。YISUANNAHUOYISUANJIAHEYICHUNZAILIUSUANCUNZAIXIAZHENGLIUERDE。YIQUANZAICUIHUAJIYICHUNQIANHUOYISUANQIANCUNZAIXIAJUHEERCHENG。JINGZHIFANGFA:YISUANYIZHICHANGHANYOUSHUI、YOULIYISUANHEYICHUNDENGZAZHI。JINGZHISHIXIANYONGTANSUANQINGNAHUOTANSUANNADEBAOHESHUIRONGYEXIDI,ZAIYONGBAOHESHIYANSHUIRONGYEXIDI,JINGGUTITANSUANJIAGANZAOHOUZHENGLIU,SHOUJIZHONGJIANLIUFEN,CHANGWENXIAYONGWUYANGHUAERLIN(10~20g/kg)GANZAOHOUZAIXINGZHENGLIU。ZHENGLIUSHIYINGCAIQUFANGCHAOCUOSHI。SHOUJIZHONGJIANLIUFEN,QIQUSHAOLIANGHOULIUFEN。YEKEYIZAIYISUANYIZHIZHONGJIARUYISUANGANJINXINGHUILIU、ZHENGLIU,LIUCHUWUYONGTANSUANJIACHULIHOUZAIYONGZHENGLIUDEFANGFAJINGZHI,CHUNDUKEDA99.5%YISHANG。LVHUAGAIYUYISUANYIZHIXINGCHENGJIEJINGXINGFUHEWU,BUYIYONGZUOGANZAOJI。

SI、ZAI1000LTANGCIGUANZHONGJIARUCUSUAN、YICHUN、LIUSUAN(FAYANLIUSUANHENONGLIUSUANGEYIBAN),JIAREHUILIU。

RANHOUJIANGYISUANYIZHICUPINZHENGCHU,YONG5%LVHUANARONGYEXIDI,ZAIYONGQINGYANGHUANAHELVHUANAHUNHEYEJINXINGZHONGHEZHIph=8WEIZHI。JIANGZHONGHEHAODECUPINZAIYONGLVHUAGAIRONGYEXIDI,RANHOUJIAWUSHUITANSUANJIAGANZAO。ZUIHOUFENLIUWEICHENGPIN。

WU、YICHUNBEIYISUANGANYIXIANHUAZHIDE

(CH3CO)2O+CH3CH2OH→CH3CO2CH2CH3+CH3CO2H

FANYINGSHENGCHENGYISUANYUYISUANYIZHIDEHUNHEWU,FENLIUHOUKEDEJIAOCHUNDEYISUANYIZHI。QIZHONG,FENLIUWENDUYUEWEI77℃。


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