EFFECT OF POLYDIMETHYLSILOXANE OXYGEN CARRIERS ON THE BIOLOGICAL BLEACHING OF HARDWOOD KRAFT PULP BY TRAMETES-VERSICOLOR

被引：0
|
作者：
ZIOMEK, E
KIRKPATRICK, N
REID, ID
机构：
来源：
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY | 1991年 / 35卷 / 05期
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中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Improving the availability of oxygen by adding polydimethylsiloxanes (PDMS) oxygen carriers to Trametes versicolor cultures increased pulp brightening. The presence of the oxygen carriers in cultures of T. versicolor with hardwood kraft pulp increased the growth rate of the fungus, but not the ultimate biomass yield. The PDMS also stimulated brightening of hardwood kraft pulp by T. versicolor immobilized in polyurethane foam. A threefold increase in the oxygen uptake rate in T. versicolor cultures with PDMS was observed. This increase can be explained by elevated oxygen transfer rate and attributed to the surfactant properties of PDMS.
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页码：669 / 673
页数：5
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