Freundlich方程在不同吸附剂的油脂脱色体系中的应用

被引：24

作者：

刘元法

裘爱泳

王兴国

机构：

[1] 江南大学食品学院

来源：

食品与生物技术学报 | 2007年 / 01期

关键词：

Freundlich方程; 油脂脱色; 吸附等温线;

D O I：

暂无

中图分类号：

TS221 [基础理论];

学科分类号：

083202 ;

摘要：

油脂脱色体系属于稀溶液吸附体系,该体系中的吸附等温式最常用的是Langmuir方程和Freundlich方程,其中Freundlich方程更适合植物油脂脱色体系。作者对植物油脂脱色工艺中常用的3种吸附剂进行了研究,结果表明:在低浓度区时3种吸附剂都符合Freundlich吸附等温方程,K凹>K膨>K活,N凹>N膨>N活。凹凸棒石的K值和N值均为最大,大孔径范围的孔道和较多的表面酸性点使凹凸棒石不仅具有较强的吸附能力,而且具有较高的吸附强度。

引用

收藏

页码：1 / 4

页数：4

相关论文

共 10 条

[1]

界面化学基础.[M].朱〓瑶;赵振国编著;.化学工业出版社.1996,

[2] The Freundlich isotherm in studying adsorption in oil processing [J].

Proctor, A ;

ToroVazquez, JF .

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1996, 73 (12) :1627-1633

[3] THE EFFECT OF ADDED SOLVENTS ON SOY OIL LUTEIN ADSORPTION BY SILICIC-ACID [J].

JIA, MG ;

PROCTOR, A .

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1993, 70 (06) :575-578

[4] ADSORPTION-ISOTHERMS OF PIGMENTS FROM ALKALI-REFINED VEGETABLE-OILS WITH CLAY-MINERALS [J].

BOKI, K ;

KUBO, M ;

KAWASAKI, N ;

MORI, H .

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1992, 69 (04) :372-378

[5] APPLICABILITY OF THE FREUNDLICH AND LANGMUIR ADSORPTION-ISOTHERMS IN THE BLEACHING OF RUBBER AND MELON SEED OILS [J].

ACHIFE, EC ;

IBEMESI, JA .

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1989, 66 (02) :247-252

[6] PRETREATMENT OF SOYBEAN OIL FOR PHYSICAL REFINING - EVALUATION OF EFFICIENCY OF VARIOUS ADSORBENTS IN REMOVING PHOSPHOLIPIDS AND PIGMENTS [J].

GUTFINGER, T ;

LETAN, A .

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1978, 55 (12) :856-859

[7] BLEACHING OF OFF-COLORED COTTONSEED OILS [J].

PONS, WA ;

KUCK, JC ;

FRAMPTON, VL .

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1961, 38 (02) :104-107

[8] FACTORS INFLUENCING VEGETABLE OIL BLEACHING BY ADSORPTION [J].

STOUT, LE ;

CHAMBERLAIN, DF ;

MCKELVEY, JM .

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1949, 26 (03) :120-126

[9]

The evaluation of bleaching earths.[J].Herbert F. Hinners;Justin J. McCarthy;Raymond E. Bass.Oil & Soap.1945, 1

[10]

Contact counter current bleaching of vegetable oils.[J].John W. Hassler;Ralph A. Hagberg.Oil & Soap.1939, 10