Feasibility analysis of SO<sub>2</sub> absorption using a hydrophilic ceramic membrane contactor

Xingyin Gao; Minghui Qiu; Kaiyun Fu; Peng Xu; Xiangli Kong; Xianfu Chen; Yiqun Fan

doi:10.1016/j.cjche.2018.07.011

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Feasibility analysis of SO₂ absorption using a hydrophilic ceramic membrane contactor

Energy, Resources and Environmental Technology | Updated：2026-01-06

- Feasibility analysis of SO₂ absorption using a hydrophilic ceramic membrane contactor
- Chinese Journal of Chemical Engineering Vol. 26, Issue 10, Pages: 2139-2147(2018)
- Affiliations：
  
  State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, No.5 Xin Mofan Road,Nanjing,China,210009
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.07.011
  CLC：
- Published：2018
- Accepted：
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absorption using a hydrophilic ceramic membrane contactor[J]. Chinese Journal of Chemical Engineering, 2018, 26(10): 2139-2147.
DOI：

absorption using a hydrophilic ceramic membrane contactor[J]. Chinese Journal of Chemical Engineering, 2018, 26(10): 2139-2147. DOI： 10.1016/j.cjche.2018.07.011.

摘要

Abstract

Hydrophilic ceramic membranes would be potential candidates for membrane gas absorption if they could be applied to appropriate separation processes. This study highlights a novel concept for the practical implementation of SO

absorption in hydrophilic ceramic membrane that exhibits outstanding thermal and mechanical stabilities. With this aim

we investigated experimentally the performance of SO

absorption into aqueous sodium hydroxide (NaOH) solution in a hydrophilic alumina (Al

) membrane contactor in terms of SO

removal efficiency and SO

mass transfer flux

and compared the performance with that in a hydrophobic one. A series of experiments were performed at various conditions over a NaOH concentration range of 0-1.0 mol·L

-1

a liquid flow rate range of 30-180 ml·min

-1

a gas flow rate range of 120-1000 ml·min

-1

an inlet SO

concentration range of 400-2000 μl·L

-1

and a temperature range of 10-35℃. It was found that the hydrophilic membrane was more competitive when using a NaOH concentration higher than 0.2 mol·L

-1

. Furthermore

it can be inferred that the hydrophilic α-Al

membrane exhibited exceptional long-term stability under 480 h continuous operation.

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⁰

Feasibility analysis of SO2 absorption using a hydrophilic ceramic membrane contactor

DOI：10.1016/j.cjche.2018.07.011

摘要

Abstract

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Feasibility analysis of SO₂ absorption using a hydrophilic ceramic membrane contactor