Adsorption of β-carotene on modified magnesium silicate

被引：2
|
作者：
Sun Shanshan [1 ]
Guo Ning [1 ]
Fu Yongfeng [2 ]
机构：
[1] Qilu Univ Technol, Sch Chem & Pharmaceut Engn, Jinan 250353, Shandong, Peoples R China
[2] Nanjing Tech Univ, Coll Chem & Chem Engn, Nanjing 210009, Jiangsu, Peoples R China
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2016年 / 90卷 / 02期
关键词：
modified magnesium silicate; hydrothermal; adsorption; organic solvent; beta-carotene; REMOVAL;
D O I：
10.1134/S0036024415130348
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Modified flocculation magnesium silicate is prepared by a hydrothermal process at 120A degrees C for 18 h after adding Al-2(SO4)(3) into the magnesium silicate gel. Compared with standard magnesium silicate with 328.116 m(2) g(-1) surface area, this modified magnesium silicate has a bigger BET surface area of 536.803 m(2) g(-1) and a lower interlayer water content. Modified magnesium silicate exhibits high beta-carotene adsorption with a maximum adsorption capacity of 364.96 mg g(-1). It is shown that when suspended in organic solvent, this material can be used effectively for carotenoid separation. Furthermore, our results suggest that modified magnesium silicate may be a promising candidate as an absorbent in the decoloring of oil.
引用
收藏
页码：443 / 450
页数：8
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