MICROBIAL SOLUBILIZATION OF A PREOXIDIZED SUBBITUMINOUS COAL - PRODUCT CHARACTERIZATION

被引：16
作者：
FAISON, BD [1 ]
WOODWARD, CA [1 ]
BEAN, RM [1 ]
机构：
[1] PACIFIC NW LAB, DEPT CHEM SCI, RICHLAND, WA 99352 USA
来源：
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY | 1990年 / 24-5卷
关键词：
biosolubilization; Coal; coal solubilization; subbituminous coal; Wyodak coal;
D O I：
10.1007/BF02920298
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Preliminary characterization of a microbial coal solubilization product has been performed. Submerged cultures of Paecilomyces TLi or Candida ML13 were grown in defined minimal media containing preoxidized Wyodak subbituminous coal. Culture supernatants contained high-molecular-weight, acid-precipitable material that was separated by gel permeation chromatography (GPC) in aqueous and polar organic solvents. Organic GPC also separated a low-molecular-weight (<2700 daltons) fraction that was converted to higher-molecular-weight material upon acidification. Elemental analysis of the acid-precipitated material indicated an increased oxygen content as a result of the biological treatment. The biosolubilized product may undergo further microbial modification. © 1990 Humana Press Inc.
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页码：831 / 841
页数：11
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