A novel gas purification system for biologically produced gases

被引：18

作者：

Beggel, Franz ^{[1
]}

Nowik, Isabella J. ^{[1
]}

Modigell, Michael ^{[1
]}

Shalygin, Maxim G. ^{[2
]}

Teplyakov, Vladimir V. ^{[2
]}

Zenkevitch, Victor B. ^{[3
]}

机构：

[1] Rhein Westfal TH Aachen, D-52064 Aachen, Germany

[2] Russian Acad Sci, AV Topchiev Petrochem Synth Inst, Moscow 119991, Russia

[3] Bioreactors & Membrane Syst, Dom Sviazi 187110, Kirishi, Russia

来源：

JOURNAL OF CLEANER PRODUCTION | 2010年 / 18卷

关键词：

Biogas; Biohydrogen; Purification; Carbon dioxide separation; Membrane contactor; AQUEOUS POTASSIUM CARBONATE; MEMBRANE CONTACTOR; CO2; ABSORPTION; PERMEATION; PIPERAZINE; SEPARATION;

D O I：

10.1016/j.jclepro.2010.06.015

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A novel gas purification system employing membrane contactors with dense membranes in the absorption as well as the desorption unit has been tested concerning the separation efficiency of CO2. The separation efficiency of potassium carbonate (K2CO3) promoted by piperazine (PZ) as absorption medium has been tested in the absorption unit. Since the absorbent will be regenerated in the desorption unit, the influence of temperature, sweep flow rate and absorbent type (0.5 M K2CO3 and 0.5 M K2CO3/0.5 M PZ) on the separation efficiency of CO2 in the desorption unit has been investigated. Desorption by vacuum has been considered as well. In addition experimental results of the coupling of a bioreactor producing hydrogen by anoxygenic photosynthesis (low and fluctuating product gas flow rates and fluctuating compositions) with a membrane contactor for gas purification are reported. This was done in order to show the applicability of this system to processes producing biogases. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：S43 / S50

页数：8

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