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Production of 2,3-butanediol from Agroindustrial Food Waste

机译:从农用食品废料生产2,3-丁二醇

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摘要

The exploitation of common agro industrial wastes to obtain products of high added value by microbial processes, this study investigates 2,3-butanediol production by Enterobacter aerogenes in a stirred batch reactor under micro-aerobic conditions. After the optimal operating conditions have been selected (pH, temperature, starting sugar concentration) using a glucose solution as a substrate, fermentation was carried out on three agro industrial wastes: cheese whey, sugar-beet molasses and starch hydrolysate. The percentage of molar yield for sugar bioconversion in 2,3-butanediol (76% from starch hydrolysate, 56% from molasses, and 85% from cheese whey) show the possibilities of producing large amount of glycol and reducing the environmental impacts of these biodegradable wastes.
机译:这项研究研究了利用普通农业工业废料通过微生物工艺获得高附加值的产品的方法,该研究研究了在好氧条件下搅拌下的间歇式反应器中产气肠杆菌产生的2,3-丁二醇。在使用葡萄糖溶液作为底物选择最佳操作条件(pH,温度,起始糖浓度)之后,对三种农业工业废料进行了发酵:奶酪乳清,甜菜糖蜜和淀粉水解产物。 2,3-丁二醇中糖类生物转化的摩尔收率百分比(淀粉水解物占76%,糖蜜占56%,干酪乳清占85%)显示了产生大量乙二醇和减少这些可生物降解物质对环境的影响的可能性。浪费。

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