ESTIMATION OF K(L)A IN SOLID-STATE FERMENTATION USING A PACKED-BED BIOREACTOR

被引：22

作者：

GOWTHAMAN, MK ^{[1
]}

RAO, KSMSR ^{[1
]}

GHILDYAL, NP ^{[1
]}

KARANTH, NG ^{[1
]}

机构：

[1] CENT FOOD TECHNOL RES INST, MYSORE 570013, KARNATAKA, INDIA

来源：

PROCESS BIOCHEMISTRY | 1995年 / 30卷 / 01期

关键词：

D O I：

10.1016/0032-9592(95)95699-J

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：

The direct method based on inlet- and outlet-gas concentrations in submerged fermentation (SmF) was adopted for estimating overall oxygen-transfer coefficients (K-L a) in a packed-bed solid-state fermenter. The variation in K-L a during fermentation at different air-flow rates was studied. The values of K-L a were higher than those found in SmF. The moisture content was found to affect oxygen-transfer rates and coefficients. The value of K-L a increased with an increase in air-flow rate in the range 0-15 litre/min but decreased at higher air-flow rates (15-25 litre/min). This could be attributed to the decrease in the moisture content of the substrate at high flow rates.

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页码：9 / 15

页数：7

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