生物废物和残余物的增值。

4区 工程技术 Q2 Biochemistry, Genetics and Molecular Biology
Aikaterina L Stefi, Konstantinos E Vorgias
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引用次数: 0

摘要

循环生物经济将废物回收与利用有机生物质废物进行生物能源、生物基材料和生化生产联系起来。这种整合促进了资源的有效利用,减少了温室气体排放,促进了经济的可持续增长。堆肥、厌氧消化、生物炭生产、气化、热解、颗粒化和先进的热转化技术等几种技术被用来有效地管理农业废物。垃圾发电系统和食物垃圾增值技术通过发酵、酯交换和厌氧消化将农业垃圾转化为可再生能源,如生物乙醇、生物柴油和沼气。这些生物燃料提供了化石燃料的可再生替代品,减少了温室气体排放和对不可再生资源的依赖。稻壳是一种全球丰富的农业废弃物,可以通过直接燃烧和快速热解等技术用于能源生产。生物丁醇是一种由丙酮-丁醇-乙醇发酵合成的燃料,是一种很有前途的燃料选择。农业废弃物还可以作为有机酸、溶剂和聚合物等生物基化学品的原料,减少对石油基化学品的依赖。农业废弃物如草、蒜皮和米糠在废水处理中显示出染料吸附的潜力。此外,农业废物可以重新用作动物饲料,有助于减少废物并为牲畜提供可持续的营养。植物种子和绿色生物质提供可持续的蛋白质来源,而秸秆和锯末等残留物可用于蘑菇培养。像淀粉和纤维素这样的农业废弃物生物聚合物可以转化为可生物降解的塑料和生物复合材料,提供了环保的替代品。此外,秸秆、稻壳和竹子等农业废弃物可以加工成建筑材料,减少建筑项目对环境的影响。从植物残留物和果渣中提取的提取物可用于药品、保健品和化妆品。将农业废弃物转化为食品、饲料、纤维和燃料,可以最大限度地减少浪费,最大限度地提高资源效率,从而生产高价值产品。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Valorizing Bio-Waste and Residuals.

The circular bioeconomy connects waste recycling with utilizing organic biomass waste for bioenergy, bio-based materials, and biochemical production. This integration promotes efficient resource utilization, reduced greenhouse gas emissions, and sustainable economic growth. Several technologies such as composting, anaerobic digestion, biochar production, gasification, pyrolysis, pelletization, and advanced thermal conversion technologies are utilized to manage agricultural waste efficiently. Waste-to-energy systems and food waste valorization techniques are employed to convert agro-waste into renewable energy sources such as bioethanol, biodiesel, and biogas through fermentation, transesterification, and anaerobic digestion. These biofuels offer renewable alternatives to fossil fuels, reducing greenhouse gas emissions and dependence on non-renewable resources. Rice husk, a globally abundant agricultural waste, can be utilized for energy production through technologies like direct combustion and fast pyrolysis. Biobutanol, synthesized from acetone-butanol-ethanol fermentation of agricultural residues like orange peel, presents a promising fuel option. Agricultural waste can also serve as feedstock for bio-based chemicals like organic acids, solvents, and polymers, reducing reliance on petroleum-based chemicals. Agro-waste materials like grass, garlic peel, and rice bran have shown potential for dye adsorption in wastewater treatment applications. Moreover, agricultural waste can be repurposed as animal feed, contributing to waste reduction and providing sustainable nutrition for livestock. Plant seeds and green biomass offer sustainable protein sources, while residues like straw and sawdust can be used for mushroom cultivation. Agro-waste biopolymers like starch and cellulose can be transformed into biodegradable plastics and biocomposites, offering eco-friendly alternatives. Additionally, agro-waste materials like straw, rice husks, and bamboo can be processed into construction materials, reducing environmental impact in building projects. Extracts from plant residues and fruit pomace can be utilized in pharmaceuticals, nutraceuticals, and cosmetics. Valorizing agro-waste for food, feed, fibers, and fuel offers opportunities to minimize waste and maximize resource efficiency, resulting in high-value products.

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来源期刊
Advances in biochemical engineering/biotechnology
Advances in biochemical engineering/biotechnology 工程技术-生物工程与应用微生物
CiteScore
5.70
自引率
0.00%
发文量
29
期刊介绍: Advances in Biochemical Engineering/Biotechnology reviews actual trends in modern biotechnology. Its aim is to cover all aspects of this interdisciplinary technology where knowledge, methods and expertise are required for chemistry, biochemistry, microbiology, genetics, chemical engineering and computer science. Special volumes are dedicated to selected topics which focus on new biotechnological products and new processes for their synthesis and purification. They give the state-of-the-art of a topic in a comprehensive way thus being a valuable source for the next 3 - 5 years. It also discusses new discoveries and applications.
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