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Integrated biorefinery approach to valorize winery waste: A review from waste to energy perspectives

机译:整合生物精炼方法对酒厂废物进行增值:从废物到能源的观点回顾

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摘要

The ever-increasing environmental crisis, depleting natural resources, and uncertainties in fossil fuel availability have rekindled researchers' attention to develop green and environmentally friendlier strategies. In this context, a biorefinery approach with a zero-waste theme has stepped-up as the method of choice for sustainable production of an array of industrially important products to address bio-economy challenges. Grape winery results in substantial quantities of solid organic and effluent waste, which epitomizes an increasing concentration of pollution problems with direct damage to human health, economy and nature. From the perspective of integrated biorefinery and circular economy, winery waste could be exploited for multiple purpose value-added products before using the biomass for energy security. This review covers state-of-the-art biorefinery opportunities beyond traditional methods as a solution to overcome many current challenges such as waste minimization in grape leaves, stems, seeds, pomace, wine lees, vinasse etc. and the biosynthesis of various high-value bioproducts viz., phenolic compounds, hydroxybenzoic acids, hydroxycinnamic acids, flavonoids, tartaric acids, lignocellulosic substrates etc.. The critical discussion on the valorization of winery waste (solid, liquid, or gaseous) and life cycle assessment was deployed to find a sustainable solution with value added energy products in an integrated biorefinery approach, keeping the environment and circular economy in the background.
机译:日益加剧的环境危机,自然资源的枯竭以及化石燃料供应的不确定性使研究人员重新关注开发绿色和环境友好的策略。在这种情况下,以零废物为主题的生物精炼方法已经成为可持续生产一系列重要工业产品以应对生物经济挑战的选择方法。酿酒厂会产生大量的固体有机废物和废水,这是污染问题日益严重的集中体现,直接危害人类健康,经济和自然。从生物精炼和循环经济的综合角度来看,在将生物质用于能源安全之前,可以将酿酒厂的废物用于多种目的的增值产品。这篇综述涵盖了传统方法以外的最新生物精炼机会,以此作为解决许多当前挑战的解决方案,例如葡萄叶,茎,种子,果渣,酒渣,酒糟等中废物的最小化以及各种高纯度生物的合成。有价值的生物产品,即酚类化合物,羟基苯甲酸,羟基肉桂酸,类黄酮,酒石酸,木质纤维素底物等。对酒厂废物(固体,液体或气体)的价值评估和生命周期评估进行了关键性的讨论,以找到一种可持续的解决方案,采用集成的生物精炼方法提供增值能源产品,同时将环境和循环经济作为背景。

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