Detoxification of acidic biorefinery waste liquor for production of high value amino acid

被引：21

作者：

Christopher, Meera

Anusree, Murali

Mathew, Anil K. ^{[1
]}

Nampoothiri, K. Madhavan

Sukumaran, Rajeev Kumar

Pandey, Ashok

机构：

[1] CSIR Natl Inst Interdisciplinary Sci & Technol, Ctr Biofuels, Ind Estate PO, Thiruvananthapuram 695019, Kerala, India

来源：

BIORESOURCE TECHNOLOGY | 2016年 / 213卷

关键词：

Biorefinery; Dilute acid pre-treatment; Detoxification; Adsorption; Lysine; CORYNEBACTERIUM-GLUTAMICUM; DEGRADATION-PRODUCTS; ETHANOL-PRODUCTION; PRETREATMENT; GROWTH; BIOMASS; FERMENTATION; INHIBITORS; TOLERANCE; REMOVAL;

D O I：

10.1016/j.biortech.2016.03.054

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The current study evaluates the detoxification of acid pretreatment liquor (APL) using adsorbent (ADS 400 & ADS 800) or ion-exchange (A-27MP & A-72MP) resins and its potential for amino acid production. The APL is generated as a by-product from the pretreatment of lignocellulosic biomass and is rich monomeric sugars as well as sugar degradation products (fermentation inhibitors) such as furfural and hydroxymethyl furfural (HMF). Of the four resins compared, ADS 800 removed approximately 85% and 60% of furfural and HMF, respectively. ADS 800 could be reused for up to six cycles after regeneration without losing its adsorption properties. The study was further extended by assessing the fermentability of detoxified APL for L-lysine production using wild and mutant strains of Corynebacterium glutamicum. The detoxified APL was superior to APL for L-lysine production. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：270 / 275

页数：6

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