Sustainable Bioproduct Production via Anaerobic Bioconversion by Landfill Soil Inoculum in Various Carbohydrate Wastes

IF 1.3 Q2 AGRICULTURE, MULTIDISCIPLINARY

Acta Technologica Agriculturae Pub Date : 2024-06-01 DOI:10.2478/ata-2024-0009

Andriy Anta Kacaribu, Darwin

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引用次数: 0

Abstract

Abstract This study evaluates anaerobic bioconversion using landfill-derived microbes to produce volatile fatty acids (VFAs) as bioproducts. The research was conducted using different substrates, including elephant grass, starch waste, and fruit waste. Landfill-derived microbes collected from the landfill site were used as inoculum. The results show that the carbohydrate composition in the substrate affects VFA production. Simpler substrates, such as starch waste and fruit waste, produced more VFAs (approximately 50 mmol · L–1) than that of more complex substrate of grass (approximately 25 mmol · L–1). The results showed that using simpler substrates (i.e. starch and fruit waste) produce VFAs two times higher than that of the complex substrate or lignocellulosic biomass-based feedstock (i.e. grass). These findings provide valuable insights into the potential use of landfill-derived microbes in the anaerobic bioconversion process to produce VFAs. By understanding the influence of carbohydrate composition, we can enhance the efficiency of VFA production from organic waste, which can be used in various industrial applications. This is a crucial step towards more sustainable waste management and more efficient resource utilisation.

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通过垃圾填埋场土壤接种物对各种碳水化合物废物的厌氧生物转化实现可持续生物产品生产

摘要本研究评估了利用垃圾填埋场微生物进行厌氧生物转化以生产挥发性脂肪酸 (VFA) 作为生物产品的情况。研究使用了不同的基质，包括象草、淀粉废料和水果废料。从垃圾填埋场收集的垃圾微生物被用作接种物。结果表明，基质中的碳水化合物成分会影响 VFA 的产生。较简单的基质（如淀粉废料和水果废料）产生的 VFAs（约 50 mmol - L-1）多于较复杂的草基质（约 25 mmol - L-1）。结果表明，使用较简单基质（即淀粉和水果废料）产生的 VFAs 是使用复杂基质或木质纤维素生物质原料（即草）产生的 VFAs 的两倍。这些发现为在厌氧生物转化过程中利用垃圾填埋场微生物产生 VFAs 的潜力提供了宝贵的见解。通过了解碳水化合物组成的影响，我们可以提高从有机废物中生产 VFA 的效率，从而将其用于各种工业应用。这是向更可持续的废物管理和更高效的资源利用迈出的关键一步。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Acta Technologica Agriculturae AGRICULTURE, MULTIDISCIPLINARY-

CiteScore

2.50

自引率

28.60%

发文量

审稿时长

18 weeks

期刊介绍： Acta Technologica Agriculturae is an international scientific double-blind peer reviewed journal focused on agricultural engineering. The journal is multidisciplinary and publishes original research and review papers in engineering, agricultural and biological sciences, and materials science. Aims and Scope Areas of interest include but are not limited to: agricultural and biosystems engineering; machines and mechanization of agricultural production; information and electrical technologies; agro-product and food processing engineering; physical, chemical and biological changes in the soil caused by tillage and field traffic, soil working machinery and terramechanics; renewable energy sources and bioenergy; rural buildings; related issues from applied physics and chemistry, ecology, economy and energy.