全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

3-甲基吡啶与4-甲基吡啶的分离

, PP. 11-13

Keywords: 3-甲基吡啶,4-甲基吡啶,萃取剂,对甲基苯磺酸

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用相平衡釜测定了醇类、酚类和有机羧酸类萃取剂对3甲基吡啶和4甲基吡啶相对挥发度的影响,探讨了以对甲基苯磺酸为萃取剂,萃取精馏分离3甲基吡啶和4甲基吡啶的可能性,研究了萃取剂用量和3甲基吡啶浓度对相对挥发度的影响,可以使相对挥发度从102提高到15以上,并且相对挥发度受3甲基吡啶浓度的影响较大

References

[1]  [ Gaikar V G, Sharma M M. Separations through reactions and other novel strategies[ J] . Sep Purif Meth, 1989, 18( 2) : 111- 176.
[2]  [ 徐克勋. 精细有机化工原料及中间体手册[M] . 北京: 化学工业出版社, 1998.
[3]  [ 孙发堂. 离心萃取器分离β- 甲基吡啶馏分[ J] . 天津化工, 1998, 12( 2) : 2- 5.
[4]  [ Jan V, Ivan C, Ladislav C. Separation of 3-pyridine fraction by distillation[ P] . 捷克专利: CS 242025, 1987-09-15.
[5]  [ Duprat F, Gau G. Reactive distillation of pyridine mixtures with an organic acid(Ⅰ) : determination of the reactive dis tillation equilibrium[ J] . Can J of Chem Eng, 1991, 69( 6) : 1320- 1326.
[6]  [ Duprat F, Gau G. Reactive distillation of pyridine mixtures with an organic acid ( Ⅱ) : parametric sensitivity and opti mization of the process[ J] . Can J of Chem Eng, 1991, 69 ( 6) : 1327- 1335.
[7]  [ 李肖华, 计建炳, 朱丰国. 分离旋性戊醇和异戊醇萃取剂的选择[ J] . 浙江工业大学学报, 1998, 26( 2) : 104- 105.
[8]  [ Mahapatra A, Gaikar V G, Sharma M M. New strategies in extractive distillation: use of aqueous solutions of hydrotropes and organic bases as solvent for organic acids[ J] . Saperation Science and Technology, 1988, 23( 4&5) : 437- 450.
[9]  [ 肖国民, 张进. 烷基吡啶的合成及应用前景[ J] . 化工技术经济, 2001, 19( 4) : 7- 9.
[10]  [ 刘长令, 汪灿明, 于春睿, 等. 3β甲基吡啶及其衍生物在农药合成中的应用[ J] . 农药, 1999, 38( 6) : 1- 3.
[11]  [ Kenji D, Koichi T, Fumio T. Separation of picoline isomers by clathrate complex formation[ J] . Nippon Kagaku Kaishi, 1986, ( 7) : 927- 931.
[12]  [ Fumio T, Koichi T. Separation of pyridine bases[ P] . 日本专利: JP 6115872, 1986-01-23.
[13]  [ Masatoshi M, Kazuo K, Takakazu N, et al. Separation of pyridine bases[ P] . 日本专利: JP 6185364, 1986-04-30.
[14]  [ Gaikar V G, Mahapatra A. Separation of close boiling point mixtures ( p-cresol/ m-cresol, guaiacol/ alkylphenols, 3-picol ine/ 4-picoline, substituted anilines) through dissociation ex tractive crystallization [ J] . Ind Eng Chem Res, 1989, 28 ( 2) : 199 -204.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133