Anaerobic Fermentation of Slaughterhouse Waste—Codigestion with Wheat Straw to Determine Methane Biochemical Potential and Kinetic Analysis

IF 3.3 3区 农林科学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Orlando Meneses Quelal, David Pilamunga Hurtado
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Abstract

Slaughterhouse solid waste is one of the sources of greenhouse gas (GHG) today. Crop residue decomposition or incineration has a great impact on global warming. Therefore, it is urgent to study the possibility of better environmentally friendly approaches to solid waste management and its safe disposal. The digestion of this type of solid waste in a decomposing process from organic content allows the recovery of valuable resources (such as biogas) and the use of the digestate in various fertilizer industries. In this study, two substrates were studied to determine their biomethane (BMP) potential in anaerobic digestion. The substrates were fermented and digested anaerobically and biogas production was measured. Methane yield of the slaughterhouse substrates had a lower methane yield between 232.2 and 250.8 mL/gVS and 53.6 to 57.9% biodegradability. Harvest substrates produce between 167.1 and 274.9 mL/gVS with a biodegradability of 39.1 to 64.3%. Co-digestion of both substrates at a ratio of IS 1:2 (RR:WS 3:1) generated a higher yield 289.1 ml/gVS and 66.9%. biodegradability of A kinetic analysis was carried out using Gompertz models, transfer and logistic function for methane production biodegradation.
屠宰废弃物厌氧发酵——与麦草共消化测定甲烷生化势及动力学分析
屠宰场固体废物是当今温室气体的来源之一。作物残渣的分解或焚烧对全球变暖有很大影响。因此,迫切需要研究更好的环境友好方法来管理固体废物及其安全处置的可能性。这种类型的固体废物在分解过程中从有机物中消化,可以回收宝贵的资源(如沼气),并将消化物用于各种肥料行业。在本研究中,对两种底物进行了研究,以确定它们在厌氧消化中的生物甲烷(BMP)潜力。对底物进行厌氧发酵和消化,并测量沼气产量。屠宰场基质的甲烷产量在232.2至250.8 mL/gVS之间较低,生物降解性为53.6至57.9%。收获基质产生167.1至274.9 mL/gVS,生物降解性为39.1至64.3%。以IS 1:2(RR:WS 3:1)的比例共消化两种基质产生较高的产量289.1 mL/gVS和66.9%。使用Gompertz模型、甲烷生产生物降解的转移和逻辑函数进行了动力学分析。
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来源期刊
Fermentation-Basel
Fermentation-Basel BIOTECHNOLOGY & APPLIED MICROBIOLOGY-
CiteScore
3.80
自引率
18.90%
发文量
594
审稿时长
7 weeks
期刊介绍:
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