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第 39 卷第 4 期Vol. 39 No. 4
2009 年 8 月Aug 2009

所屬欄目:功能材料

反應器長(cháng)徑比對連續酯化制備1,6-己二酸二甲酯的影響
石鳴彥1,胡冬瀅2,翟國棟3,程光劍1 (1.中國石油遼陽(yáng)石化分公司研究院,遼寧 遼陽(yáng) 111003;2.中國石油遼陽(yáng)石化分公司烯烴廠(chǎng),遼寧 遼陽(yáng) 111003;3.中國石油遼陽(yáng)石化分公司硝酸廠(chǎng),遼寧 遼陽(yáng) 111003)
摘 要:以DNW-I型強酸型正離子交換樹(shù)脂為催化劑,己二酸和甲醇為原料,經(jīng)間歇酯化和連續酯化反應后通過(guò)精餾可制備選擇性為100%的1,6-己二酸二甲酯。采用長(cháng)徑比分別為32、16、6、3的反應器,控制原料進(jìn)料速度及甲醇進(jìn)料速度進(jìn)行連續酯化實(shí)驗。結果表明選擇合適長(cháng)徑比且催化劑段進(jìn)行外部加熱的反應器是進(jìn)行酯化法制備1,6-己二酸二甲酯的關(guān)鍵。
關(guān)鍵詞:1,6-己二酸二甲酯;酯化反應;間歇式;連續式;長(cháng)徑比
中圖分類(lèi)號:TQ225.242  文獻標識碼:B  文章編號:1009-9212(2009)04- 0044-05
The Effect of Reactor to Preparation of Dimethyl Adipate by Esterification
SHI Ming-yan1,HU Dong-ying2,ZHAI Guo-dong3,CHENG Guang-jian1 (1. Research Institute of Liaoyang Petrochemical Company,PetroChina,Liaoyang 111003,China;2. Olefin Hydrocarbon Plant of Liaoyang Petrochemical Company,PetroChina,Liaoyang 111003,China;3. Nitric Acid Plant of Liaoyang Petrochemical Company,PetroChina,Liaoyang 111003,China)
Abstract:1,6-Dimethyl adipate with selectivity of 100% was synthesized by batch and continuous esterification process using adipic acid and methanol as raw materials,DNW-I strong-acid cation exchange resin as catalyst. Continuous esterification was worked in reactors with different length-diameter ratios of 32,16,6 and 3,respectively. The results showed that a reactor with a proper length-diameter ratio and an externally heating catalyst system was critical to the preparation of the title compound.
Key words:1,6-dimethyl adipate;esterification;batch process;continuous process;length-diameter ratio
作者簡(jiǎn)介:石鳴彥(1974-),女,山東萊州人,工程師,主要從事精細石油化工產(chǎn)品技術(shù)研發(fā)。(E-mail:shimy@petrochina.com.cn)
收稿日期:2009-06-18
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