化工进展
化工進展
화공진전
Chemical Industry and Engineering Progress
2015年
z1期
178-181
,共4页
仇龙%周俊鹏%吴江%朱锦桃
仇龍%週俊鵬%吳江%硃錦桃
구룡%주준붕%오강%주금도
乙酸%二氯亚砜%氯气%氧气%工艺条件
乙痠%二氯亞砜%氯氣%氧氣%工藝條件
을산%이록아풍%록기%양기%공예조건
acetic acid%sulfoxide chloride%chlorine%oxygen%reaction conditions
实验以二氯亚砜为催化剂,同时通氯气和氧气氯化乙酸得到氯乙酸。研究了催化剂种类及用量、反应温度、氯化深度以及助催化剂用量等因素对收率的影响,结果表明该反应最优工艺条件为：反应温度在110℃；乙酸与二氯亚砜摩尔比为10∶1；氯气与氧气通速比为2∶1,按此工艺反应主产物含量99.5%,经处理后产率96.5%。
實驗以二氯亞砜為催化劑,同時通氯氣和氧氣氯化乙痠得到氯乙痠。研究瞭催化劑種類及用量、反應溫度、氯化深度以及助催化劑用量等因素對收率的影響,結果錶明該反應最優工藝條件為：反應溫度在110℃；乙痠與二氯亞砜摩爾比為10∶1；氯氣與氧氣通速比為2∶1,按此工藝反應主產物含量99.5%,經處理後產率96.5%。
실험이이록아풍위최화제,동시통록기화양기록화을산득도록을산。연구료최화제충류급용량、반응온도、록화심도이급조최화제용량등인소대수솔적영향,결과표명해반응최우공예조건위：반응온도재110℃；을산여이록아풍마이비위10∶1；록기여양기통속비위2∶1,안차공예반응주산물함량99.5%,경처리후산솔96.5%。
The chloroacetic acid was synthesized by acetic acid in this experiment,in which using thionylchloride as the catalyst,at the same time the chlorine and oxgen were added in as the chlorinating agents.The effect of reaction temperature and time,the amount and species of catalyst were investigated on the yield of product.The optional conditions were proved to be at temperature of 110℃,n(acetic acid)∶n(thionylchloride)=2∶1,the highest yield up to 96.5%and the purity reached 9 9.5%.
