Studies on urine treatment by biological purification using Azolla and UV photocatalytic oxidation
文献类型: 外文期刊
作者: Liu, Xiaofeng 2 ; Chen, Min 1 ; Bian, Zuliang 1 ; Liu, Chung-Chu 1 ;
作者机构: 1.Fujian Acad Agr Sci, Fujian 350003, Peoples R China
2.Peking Univ, Acad Life Sci, Beijing 100871, Peoples R China
关键词: Azolla;bioregenerative life support system;urine purification;instrument;photocatalytic oxidation;space life support;water regeneration;water reuse
期刊名称:ADVANCES IN SPACE RESEARCH ( 影响因子:2.152; 五年影响因子:1.978 )
ISSN: 0273-1177
年卷期: 2008 年 41 卷 5 期
页码:
收录情况: SCI
摘要: The amount of water consumed in space station operations is very large. In order to reduce the amount of water which must be resupplied from Earth, the space station needs to resolve the problems of water supply. For this reason, the recovery, regeneration and utilization Of urine of astronauts are of key importance. Many investigations oil this subject have been reported. Our research is based oil biological absorption and, purification using UV photocatalytic oxidation techniques to achieve comprehensive treatment for urine. In the treatment apparatus we created, the urine solution is used as part of the nutrient solution for the biological components in our bioregenerative life Support system. After being absorbed, the nutrients from the urine were then decomposed, metabolized and purified which creates a favorable condition for the follow-tip oxidation treatment by UV photocatalytic oxidation. After these two processes, the treated urine solution reached Chinese national standards for drinking water quality (GB5749-1985). (c) 2007 COSPAR. Published by Elsevier Ltd. All rights reserved.
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