Adsorption of Soybean Isoflavones from Soybean Whey Wastewater with Magnetic AB-8 Resin

Author

Zong, Wei ; Ma, Hanjun

Author_Institution

Sch. of Food & Biol. Eng., Zhengzhou Univ. of Light Ind., Zhengzhou

fYear

2008

Firstpage

2739

Lastpage

2741

Abstract

There are a lot of isoflavone in soybean whey wastewater. To separation isoflavones from soybean whey wastewater, the magnetic AB-8 resin was prepared and adsorption characters were studied. The adsorptive isotherms were correlated with Freundlich and Langmuir isotherm equation, The adsorption kinetics modelwas correlated with qe=alnt+b. The suitable operation conditions were as following: stiring rate 200 r/min, temperature 293 K, pH7.5 and time 240 min. In these conditions, the adsorption qe was 2.54 mg/g. After 5 times adsorption test, Reproducibility of magnetic resin still at 92.3%.

Keywords

adsorption; food processing industry; industrial waste; resins; wastewater; Freundlich equation; Langmuir isotherm equation; adsorption kinetics; food industry wastewater; magnetic AB-8 resin; soybean isoflavones; soybean whey wastewater; Biological materials; Equations; Food industry; Food technology; Kinetic theory; Magnetic materials; Magnetic separation; Plasma temperature; Resins; Wastewater;

fLanguage

English

Publisher

ieee

Conference_Titel

Bioinformatics and Biomedical Engineering, 2008. ICBBE 2008. The 2nd International Conference on

Conference_Location

Shanghai

Print_ISBN

978-1-4244-1747-6

Electronic_ISBN

978-1-4244-1748-3

Type

conf

DOI

10.1109/ICBBE.2008.1016

Filename

4535896