广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2014年
18期
82-84
,共3页
活性炭负载硫酸氢钠%催化%乙酸丁酯%合成
活性炭負載硫痠氫鈉%催化%乙痠丁酯%閤成
활성탄부재류산경납%최화%을산정지%합성
sodium bisulfate supported on activated carbon%catalytic%butyl acetate%synthesis
本研究以活性炭负载硫酸氢钠为催化剂催化乙酸和丁醇的酯化反应，以乙酸的转化率为考察指标，考察了摩尔比、反应时间、催化剂用量、反应温度等条件对合成乙酸丁酯的影响。实验结果表明，最佳的反应条件为：酸醇摩尔比为1：3，催化剂用量10％（ω），反应温度70℃，反应时间为140 min，乙酸转化率为61％，催化剂可多次重复使用，是一种绿色的酯化反应催化剂。
本研究以活性炭負載硫痠氫鈉為催化劑催化乙痠和丁醇的酯化反應，以乙痠的轉化率為攷察指標，攷察瞭摩爾比、反應時間、催化劑用量、反應溫度等條件對閤成乙痠丁酯的影響。實驗結果錶明，最佳的反應條件為：痠醇摩爾比為1：3，催化劑用量10％（ω），反應溫度70℃，反應時間為140 min，乙痠轉化率為61％，催化劑可多次重複使用，是一種綠色的酯化反應催化劑。
본연구이활성탄부재류산경납위최화제최화을산화정순적지화반응，이을산적전화솔위고찰지표，고찰료마이비、반응시간、최화제용량、반응온도등조건대합성을산정지적영향。실험결과표명，최가적반응조건위：산순마이비위1：3，최화제용량10％（ω），반응온도70℃，반응시간위140 min，을산전화솔위61％，최화제가다차중복사용，시일충록색적지화반응최화제。
The esterification reaction of acetic acid and butyl alcohol using sodium bisulfate supported on activated carbon as catalyst was studied.The effects of the materials ratio , reaction time , reaction temperature and the amount of catalyst on conversion rate of acetic acid were experimentally determined.The results showed that the optimum reaction conditions obtained were that the molar ratio of acid and butanol was 1:3, the reaction time was 140 min, the amount of catalyst was 10%(ω) , the temperature was 70 ℃, and the acetic acid conversion rate was 61%.The catalyst was a non-toxic and can be separated from the reaction mixture easily , which can be used for many times.
