TY - JOUR
T1 - Removal of unsymmetrical dimethylhydrazine
T2 - A critical review with particular focus on photocatalytic oxidation
AU - Zhang, Xiao
AU - Guo, Zhiren
AU - Sun, Peifu
AU - Liu, Xinyue
AU - Luo, Zhi
AU - Li, Jinying
AU - Zhang, Dongxiang
AU - Xu, Xiyan
N1 - Publisher Copyright:
© 2023 Elsevier B.V.
PY - 2023/5/1
Y1 - 2023/5/1
N2 - Unsymmetrical dimethylhydrazine (UDMH) has been widely used in liquid propellant, as well as plant growth regulation, chemical synthesis, photographic chemicals, etc. However, its uncontrolled discharge into environment could cause severely adverse effect on ecosystem and human health due to its highly toxic nature. Therefore, biodegradation, adsorption and advanced oxidation process (AOP) techniques have been intensively applied for UDMH removal. Among the AOP techniques toward UDMH removal, photocatalytic oxidation has been attracting increasing attention due to its low energy and oxidant consumption at the function of TiO2-based or other photocatalysts with modifications of chemical doping or heterojunction constructing. This overview comprehensively reviews the nature of UDMH and the recent reported techniques for UDMH removal, with a specific focus on the available works on photocatalytic oxidation of UDMH. The corresponding adsorptive-degradation mechanisms and performances in photocatalytic UDMH degradation are summarized, and opinions on the future directions for UDMH removal techniques are provided.
AB - Unsymmetrical dimethylhydrazine (UDMH) has been widely used in liquid propellant, as well as plant growth regulation, chemical synthesis, photographic chemicals, etc. However, its uncontrolled discharge into environment could cause severely adverse effect on ecosystem and human health due to its highly toxic nature. Therefore, biodegradation, adsorption and advanced oxidation process (AOP) techniques have been intensively applied for UDMH removal. Among the AOP techniques toward UDMH removal, photocatalytic oxidation has been attracting increasing attention due to its low energy and oxidant consumption at the function of TiO2-based or other photocatalysts with modifications of chemical doping or heterojunction constructing. This overview comprehensively reviews the nature of UDMH and the recent reported techniques for UDMH removal, with a specific focus on the available works on photocatalytic oxidation of UDMH. The corresponding adsorptive-degradation mechanisms and performances in photocatalytic UDMH degradation are summarized, and opinions on the future directions for UDMH removal techniques are provided.
KW - AOPs
KW - Photocatalyst
KW - Photocatalytic oxidation
KW - TiO
KW - UDMH
UR - http://www.scopus.com/inward/record.url?scp=85148352351&partnerID=8YFLogxK
U2 - 10.1016/j.seppur.2023.123425
DO - 10.1016/j.seppur.2023.123425
M3 - Article
AN - SCOPUS:85148352351
SN - 1383-5866
VL - 312
JO - Separation and Purification Technology
JF - Separation and Purification Technology
M1 - 123425
ER -
