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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.11 P.1642~1650

10.1631/jzus.A0920017


A novel application of the SAWD-Sabatier-SPE integrated system for CO2 removal and O2 regeneration in submarine cabins during prolonged voyages


Author(s):  Zhi HUANG, Zhao-bo CHEN, Nan-qi REN, Dong-xue HU, Dong-huan ZHENG, Zhen-peng ZHANG

Affiliation(s):  State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China; more

Corresponding email(s):   czbhdx@163.com

Key Words:  CO2 removal, O2 regeneration, Solid amine water desorption (SAWD), Sabatier reactor, Solid polymer electrolyte (SPE), Submarine


Zhi HUANG, Zhao-bo CHEN, Nan-qi REN, Dong-xue HU, Dong-huan ZHENG, Zhen-peng ZHANG. A novel application of the SAWD-Sabatier-SPE integrated system for CO2 removal and O2 regeneration in submarine cabins during prolonged voyages[J]. Journal of Zhejiang University Science A, 2009, 10(11): 1642~1650.

@article{title="A novel application of the SAWD-Sabatier-SPE integrated system for CO2 removal and O2 regeneration in submarine cabins during prolonged voyages",
author="Zhi HUANG, Zhao-bo CHEN, Nan-qi REN, Dong-xue HU, Dong-huan ZHENG, Zhen-peng ZHANG",
journal="Journal of Zhejiang University Science A",
volume="10",
number="11",
pages="1642~1650",
year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0920017"
}

%0 Journal Article
%T A novel application of the SAWD-Sabatier-SPE integrated system for CO2 removal and O2 regeneration in submarine cabins during prolonged voyages
%A Zhi HUANG
%A Zhao-bo CHEN
%A Nan-qi REN
%A Dong-xue HU
%A Dong-huan ZHENG
%A Zhen-peng ZHANG
%J Journal of Zhejiang University SCIENCE A
%V 10
%N 11
%P 1642~1650
%@ 1673-565X
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0920017

TY - JOUR
T1 - A novel application of the SAWD-Sabatier-SPE integrated system for CO2 removal and O2 regeneration in submarine cabins during prolonged voyages
A1 - Zhi HUANG
A1 - Zhao-bo CHEN
A1 - Nan-qi REN
A1 - Dong-xue HU
A1 - Dong-huan ZHENG
A1 - Zhen-peng ZHANG
J0 - Journal of Zhejiang University Science A
VL - 10
IS - 11
SP - 1642
EP - 1650
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A0920017


Abstract: 
To improve the working and living environment of submarine crews, an integrated system of CO2 removal and o2 regeneration was designed to work under experimental conditions for 50 people in a submarine cabin during prolonged voyages. The integrated system comprises a solid amine water desorption (SAWD) unit for CO2 collection and concentration, a sabatier reactor for CO2 reduction and a solid polymer electrolyte (SPE) unit for o2 regeneration by electrolysis. The performances of the SAWD-Sabatier-SPE integrated system were investigated. The experimental results from the SAWD unit showed that the average CO2 concentration in the CO2 storage tank was more than 96% and the outlet CO2 concentration was nearly zero in the first 45 min, and less than 1/10 of inlet CO2 after 60 min when input CO2 was 0.5% (1000 L). About 950 L of CO2 was recovered with a recovery rate of 92%~97%. The output CO2 concentration was less than 0.2%, which showed that the adsorption-desorption performance of this unit was excellent. In the CO2 reduction unit we investigated mainly the start-up and reaction performance of the sabatier reactor. The start-up time of the sabatier reactor was 6, 8 and 10 min when the start-up temperature was 187.3, 179.5 and 168 °C, respectively. The product water was colorless, transparent, and had a pH of 6.9~7.5, and an electrical conductivity of 80 µs/cm. The sum of the concentration of metal ions (Ru3+, Al3+, Pb2+) was 0.028% and that of nonmetal ions (Cl, SO42−) was 0.05%. In the o2 regeneration unit, the O2 generation rate was 0.48 m3/d and the quantity was 2400 L, sufficient to meet the submariners’ basic oxygen demands. These results may be useful as a basis for establishing CO2-level limits and o2 regeneration systems in submarines or similar enclosed compartments during prolonged voyages.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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