REGENERATION METHODS FOR CAFFEINE-LOADED CO2

被引：9

作者：

BIRTIGH, A

LIU, K

JOHANNSEN, M

BRUNNER, G

机构：

[1] Technical University Hamburg-Harburg, Thermische Verfahrenstechnik, 21073 Hamburg

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 1995年 / 30卷 / 17期

关键词：

D O I：

10.1080/01496399508013144

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Supercritical gas extraction for the decaffeination of green coffee brans has become an established method in the last decade. However, because of the commercial aspects in this field, few research results on applications have been published. In this publication, three different methods for the regeneration of caffeine-loaded CO2 are presented: depressurization, adsorption with activated carbon, and absorption with water. For all these methods, phase equilibrium experiments with pure caffeine were done. Furthermore, pilot-plant experiments were performed to decaffeinate green coffee beans.

引用

页码：3265 / 3286

页数：22

共 18 条

[1]

BIRTIGH A, UNPUB J SUPERCRITICA

[2]

BOSTON JF, 1980, 2ND P INT C PHAS EQ

[3]

BOTHE H, 1980, 9 P INT C COFF LOND, V1, P135

[4] PHASE-EQUILIBRIA IN TERNARY AND QUATERNARY SYSTEMS OF HYDROGEN, WATER AND HYDROCARBONS AT ELEVATED-TEMPERATURES AND PRESSURES [J].