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Studies of Heterogeneous Hydrothermal Stripping from Iron-loaded Naphthenic Acid-Alcohol-Kerosen
Wang XY(王兴尧); Kang XH(康晓红); Xie HQ(谢慧琴); Lu LZ(卢立柱)
2003
Source Publication过程工程学报
Issue02Pages:109-115
AbstractThe technique of hydrothermal stripping from mixed aqueous-organic systems is a promising method for synthesizing oxide ceramic powders for high-performance applications. Some factors influencing heterogeneous hydrothermal stripping with water from iron-loaded organic phase of naphthenic acidisooctyl alcoholkerosene, such as initial concentrations of iron and naphthenic acid, concentration of Fe2O3 搒eed, temperature and time, were investigated. Based on the experimental results, the rate equation was established. Nano-ferric oxide powders were obtained by the technique of hydrothermal stripping from the iron-loaded organic phase. The results suggest that the heterogeneous hydrothermal stripping proceeds in 3 steps: adsorption of naphthenic acid dimers and naphthenic complex of iron onto the surface of seed? hydrolysis of adsorbed complex of iron, and condensation of hydrolyzed complex. The process activation energy is 115 kJ/mol and the heterogeneous hydrothermal stripping is controlled by a chemical reaction (the hydrolysis of naphthenic complex of iron).
KeywordIron-loaded Organic Phase Heterogeneous Hydrothermal Stripping Rate Equation Nano-ferric Oxide
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/7030
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Wang XY,Kang XH,Xie HQ,et al. Studies of Heterogeneous Hydrothermal Stripping from Iron-loaded Naphthenic Acid-Alcohol-Kerosen[J]. 过程工程学报,2003(02):109-115.
APA Wang XY,Kang XH,Xie HQ,&Lu LZ.(2003).Studies of Heterogeneous Hydrothermal Stripping from Iron-loaded Naphthenic Acid-Alcohol-Kerosen.过程工程学报(02),109-115.
MLA Wang XY,et al."Studies of Heterogeneous Hydrothermal Stripping from Iron-loaded Naphthenic Acid-Alcohol-Kerosen".过程工程学报 .02(2003):109-115.
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