毛利塔尼蛇酸水解产乙醇工艺的优化。

IF 0.9 4区农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD

Wood Research Pub Date : 2020-12-16 DOI:10.37763/wr.1336-4561/65.6.10131024

C. May, A. Moussa

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引用次数: 2

摘要

本工作对1.5%硫酸水解毛葡萄（Diss）的水解产物进行了统计建模和优化。使用中心复合材料设计（CCD）模型研究反应温度（70°C至110°C）、比率（5%至15%，w/v）和反应时间（60至180分钟）的影响。测定了还原糖、pH值、蛋白质、木质素、灰分含量和元素矿物组成。当反应时间为180分钟，反应温度为110°C，比例为5%（w/v）时，还原糖的最佳产率为0.249 g.g-1干重。因此，本研究测试了酿酒酵母ATCC9763从纯Diss水解液中生产生物乙醇的情况。该菌株消耗了67.6%的可用还原糖（25 g.L-1），这使得每消耗一糖可以获得0.33 g.g-1的乙醇产量。

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Optimisation of acid hydrolysis in ethanol production from Ampelodesmos mauritanicus (Diss).

In this work, statistical modeling and optimization of hydrolyzate from Ampelodesmos mauritanicus (Diss) using 1.5% sulfuric acid hydrolysis was carried. A central composite design (CCD) model was used to study the influence of reaction temperature (70°C to 110°C), ratio (5% to 15%, w/v), and reaction time (60 to 180 min). Reducing sugars, pH, proteins, lignin, ash content and the elements minerals composition were determined. Optimized reducing sugars yield of 0.249 g.g-1 of dry weight was obtained for reaction time of 180 min, reaction temperature of 110°C and ratio 5% (w/v). Therefore, this study tests the production of bioethanol from pure Diss hydrolyzate by the yeast Saccharomyces cerevisiae ATCC 9763. This strain showed a consumption of 67.6% of reducing sugars available (25 g.L-1), which made it possible to obtain ethanol yield per consumed sugar 0.33 g.g-1.

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来源期刊

Wood Research 工程技术-材料科学：纸与木材

CiteScore

2.40

自引率

15.40%

发文量

审稿时长

5.4 months

期刊介绍： Wood Research publishes original papers aimed at recent advances in all branches of wood science (biology, chemistry, wood physics and mechanics, mechanical and chemical processing etc.). Submission of the manuscript implies that it has not been published before and it is not under consideration for publication elsewhere.