Kinetics of Forward Extraction of Boric Acid from Salt Lake Brine by 2-Ethyl-1,3-hexanediol in Toluene Using Single Drop Technique

吕建华; 刘继东; 孙玉洁; 李春利

doi:10.1016/S1004-9541(14)60059-8

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Kinetics of Forward Extraction of Boric Acid from Salt Lake Brine by 2-Ethyl-1,3-hexanediol in Toluene Using Single Drop Technique

催化、动力学与反应工程 | Updated：2026-01-06

- Kinetics of Forward Extraction of Boric Acid from Salt Lake Brine by 2-Ethyl-1,3-hexanediol in Toluene Using Single Drop Technique
- Kinetics of Forward Extraction of Boric Acid from Salt Lake Brine by 2-Ethyl-1,3-hexanediol in Toluene Using Single Drop Technique
- 中国化学工程学报（英文版） 2014年第5期页码：496-5021004-954160059-8
- Affiliations：
  
  School of Chemical Engineering, Hebei University of Technology,Tianjin,China,300130
- Author bio：
- Funds：
  
  Supported by the Natural Science Foundation of the Education Department Hebei Province (2009426), and Educational Commission of Hebei Province (ZH2011221).
- DOI：10.1016/S1004-9541(14)60059-8
  中图分类号：
- 纸质出版：2014
- Accepted：
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吕建华, 刘继东, 孙玉洁, 等. Kinetics of Forward Extraction of Boric Acid from Salt Lake Brine by 2-Ethyl-1,3-hexanediol in Toluene Using Single Drop Technique[J]. 中国化学工程学报（英文版）, 2014,(5):496-5021004-954160059-8.

LÜ Jianhua, LIU Jidong, SUN Yujie, et al. Kinetics of Forward Extraction of Boric Acid from Salt Lake Brine by 2-Ethyl-1,3-hexanediol in Toluene Using Single Drop Technique[J]. Chinese Journal of Chemical Engineering, 2014, (5): 496-5021004-954160059-8.
吕建华, 刘继东, 孙玉洁, 等. Kinetics of Forward Extraction of Boric Acid from Salt Lake Brine by 2-Ethyl-1,3-hexanediol in Toluene Using Single Drop Technique[J]. 中国化学工程学报（英文版）, 2014,(5):496-5021004-954160059-8. DOI： 10.1016/S1004-9541(14)60059-8.

LÜ Jianhua, LIU Jidong, SUN Yujie, et al. Kinetics of Forward Extraction of Boric Acid from Salt Lake Brine by 2-Ethyl-1,3-hexanediol in Toluene Using Single Drop Technique[J]. Chinese Journal of Chemical Engineering, 2014, (5): 496-5021004-954160059-8. DOI： 10.1016/S1004-9541(14)60059-8.

摘要

Abstract

The kinetics of forward extraction of boric acid from salt lake brine by 2-ethyl-1

3-hexanediol in toluene was investigated using the single drop technique. The factors affecting the extraction rate include interfacial area between aqueous phase and organic phase

initial concentration of boric acid in aqueous phase

initial concentration of 2-ethyl-1

3-hexanediol in organic phase

and extraction temperature. The experimental results show that the extraction rate increases with the increase of the initial concentration of boric acid and 2-ethyl-1

3-hexanediol

interfacial area of two phases

and temperature. With the temperature-dependence study

it is showed that the extraction is a diffusion-controlled process. The kinetic equation is presented for pH 1.0 in the aqueous phase and temperature of 318 K.

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