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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Simultaneously separation of xylo-oligosaccharide and lignosulfonate from wheat straw magnesium bisulfite pretreatment spent liquor using ion exchange resin
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Simultaneously separation of xylo-oligosaccharide and lignosulfonate from wheat straw magnesium bisulfite pretreatment spent liquor using ion exchange resin

机译：使用离子交换树脂同时分离小麦秸秆亚硫酸镁预处理的亚硫酸镁预处理液中的木质素磺酸盐

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For wheat straw, an ideal bio-refinery process is that all three major components of biomass could be efficiently utilized to make high value chemicals, MBSP could directly convert the hemicelluloses and lignin into xylo-oligosaccharides and lignosulfonate. However, these value-added compounds still present in spent liquor and thus should be isolated as an individual product. In present work, a simple and efficient ion exchange process was developed for separating xylo-oligosaccharides and lignosulfonate simultaneously from spent liquor. D354 resin was selected for its high adsorption capacity of magnesium lignosulfonate and remarkable selectivity. 93.09% of XOS and 98.03% of lignosulfonate were recovered from the treated spent liquor in a fixed bed column with D354 resin. Overall, 1 L of MBSP spent liquor could coproduce 9.5 g XOS and 74 g lignosulfonate. These results offer an opportunity for complete and effective utilization of biomass by a novel integrated process coupling of MBSP and ion-exchange process.
机译：对于小麦秸秆，理想的生物炼油工艺是，可以有效地利用生物量的所有三个主要成分来制造高价值化学品，MBSP可以直接将半纤维素和木质素转化为木瓜 - 寡糖和木质素磺酸盐。然而，这些增值化合物仍存在于废液中，因此应作为个体产品分离。在目前的工作中，开发了一种简单富有高效的离子交换过程，用于将硅烷寡糖和木质素磺酸盐分离起来的液体。选择D354树脂，用于镁木质氧化镁的高吸附能力和显着的选择性。用D354树脂在固定床柱中的经处理的废液中回收93.09％的XOS和98.03％的木质素磺酸盐。总体而言，1升的MBSP废液可以共同促进9.5g XOS和74g木质素磺酸盐。这些结果通过MBSP和离子交换过程的新综合处理耦合，为生物量完全和有效地利用生物量提供了机会。

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