Adsorption Kinetics of <i>β</i>-Carotene and Chlorophyll onto Acid-activated Bentonite in Model Oil

童军茂; 武占省; 孙喜房; 徐小琳; 李春

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Adsorption Kinetics of β-Carotene and Chlorophyll onto Acid-activated Bentonite in Model Oil

Updated：2026-01-06

- Adsorption Kinetics of β-Carotene and Chlorophyll onto Acid-activated Bentonite in Model Oil
- Adsorption Kinetics of β-Carotene and Chlorophyll onto Acid-activated Bentonite in Model Oil
- 中国化学工程学报（英文版） 2008年16卷第2期页码：270-276
- Affiliations：
  
  1. Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University,Xinjiang,China,832003
  2. School of Life Science and Technology, Beijing Institute of Technology,Beijing,China,100081
- Author bio：
- Funds：
  
  Program for New Century Excellent Talents in University(NCET-04-0989);Ministry of Education "Chunhui Plan" International Cooperation Project(Z2006-1-83018);High Level Talent Start Fund Project of Shihezi University(500002072201);the Open Fund of Xinjiang Key Laboratory of Biological Resources and Genetic Engineering(XJDX 0201-2005-12)
- DOI：
  中图分类号：
- 纸质出版：2008
- Accepted：
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童军茂, 武占省, 孙喜房, 等. Adsorption Kinetics of β-Carotene and Chlorophyll onto Acid-activated Bentonite in Model Oil[J]. 中国化学工程学报（英文版）, 2008,16(2):270-276.

-Carotene and Chlorophyll onto Acid-activated Bentonite in Model Oil[J]. , 2008, 16(2): 270-276.
童军茂, 武占省, 孙喜房, 等. Adsorption Kinetics of β-Carotene and Chlorophyll onto Acid-activated Bentonite in Model Oil[J]. 中国化学工程学报（英文版）, 2008,16(2):270-276. DOI：

-Carotene and Chlorophyll onto Acid-activated Bentonite in Model Oil[J]. , 2008, 16(2): 270-276. DOI：

摘要

Abstract

The textural properties of acid-activated bentonite(AAB)

which were prepared using four different concentrations of sulfuric acid

were analyzed by adsorption-desorption isotherm of nitrogen using an automated specific surface area and porosity analyzer.The total pore volume

specific surface area and average pore diameter of these four kinds of AAB show a regular changing trend

increasing first and then decreasing

the optimum of which can be achieved at a sulfuric acid concentration of 25%(sample A25).The kinetic analysis of the adsorption of

-carotene and chlorophyll in model oil solutions

namely

xylene and edible oil solution

has been investigated by using AAB.Experimental results indicated that the adsorption data fit the pseudo-second-order model well.The whole adsorption process of the two pigments on AAB was divided basically into two parts:the initial adsorption of pigments was rapid in the first 10 min

followed by a slower adsorption process till equilibrium was attained at 60 min.In addition

the amount and rate of adsorption on A25 increase synchronously with the initial pigment concentration and temperature.The results showed that the adsorption kinetics behavior of AAB with respect to the pigments is not influence by the xylene and edible oil solution.

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Adsorption Kinetics of β-Carotene and Chlorophyll onto Acid-activated Bentonite in Model Oil

Adsorption Kinetics of β-Carotene and Chlorophyll onto Acid-activated Bentonite in Model Oil

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摘要

Abstract

关键词

Keywords

references