Journal Article

·2006

Bio-Liquefaction/Solubilization of Lignitic Humic Acids by White-Rot Fungus (Phanerochaete chrysosporium)

İffet Yakar Elbeyli YTU , Arzu Palantöken YTU , Sabriye Pişkin YTU , Ayşegül Peksel YTU , Huriye Kuzu YTU

Energy Sources Part A Recovery Utilization and Environmental Effects

Abstract

Humic acid samples obtained from lignite were liquefied/solubilized by using white-rot fungus, and chemical characterization of the products was investigated by FTIR and GC-MS techniques. Prior to the microbial treatment, raw lignite was oxidized with hydrogen peroxide and nitric acid separately, and then humic acids were extracted by alkali solution. The prepared humic acid samples were placed on the agar surface of the fungus and liquid products formed by microbial affects were collected. The products were analyzed and the chemical properties were compared. The results show that oxidation agent and oxidation degree affect composition of the liquid products formed by microbial attack.

Keywords

Phanerochaete Chrysosporium Chemistry Liquefaction Hydrogen peroxide Humic acid Hydrolysis Filamentous fungus Peracetic acid Nitric acid Fourier transform infrared spectroscopy Nuclear chemistry Lignin Organic chemistry Enzyme

Subject Areas

Enzyme-mediated dye degradation ·Plant Science ·Life Sciences
Pesticide and Herbicide Environmental Studies ·Pollution ·Physical Sciences
Lignin and Wood Chemistry ·Biomedical Engineering ·Physical Sciences

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