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草和牛粪的厌氧共消化：动力学和温室气体计算。

Anaerobic co-digestion of grass and cow manure: kinetic and GHG calculations.

机构信息

Vocational School of Technical Sciences, Bursa Uludag University, Bursa, Turkey.

出版信息

Sci Rep. 2023 Apr 18;13(1):6320. doi: 10.1038/s41598-023-33169-0.

DOI:10.1038/s41598-023-33169-0
PMID:37072450
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10113394/
Abstract

Grass is a highly desirable substrate for anaerobic digestion because of its higher biodegradability and biogas/methane yield. In this study, anaerobic co-digestion of grass, cow manure and sludge was studied under mesophilic conditions for 65 days. Experiments were performed on a feed ratio of grass/manure from 5 to 25%, respectively. The maximum cumulative biogas and methane yield was obtained as 331.75 mLbiogas/gVS and 206.64 mLCH/gVS for 25% ratio. Also, the results of the experiments were tested on the three different kinetics model which are the first order kinetic model, modified Gompertz model and Logistics model. As a result of the study, it was found that by using grass nearly 480 × 10 kWh/year electricity may be produced and 0.5 × 10 tons/year CO greenhouse gas emission mitigation may be reached.

摘要

因为其更高的生物降解性和沼气/甲烷产量，草是一种非常理想的厌氧消化底物。在这项研究中，在中温条件下研究了草、牛粪和污泥的厌氧共消化，持续了 65 天。实验在草/粪便的进料比分别为 5%至 25%的条件下进行。对于 25%的比例，最大的累积沼气和甲烷产量分别为 331.75 毫升沼气/克 VS 和 206.64 毫升 CH/克 VS。此外，实验结果还在三种不同的动力学模型上进行了测试，即一级动力学模型、修正的 Gompertz 模型和 Logistics 模型。研究结果表明，使用草每年可产生近 480×10 千瓦时的电力，每年可减少 0.5×10 吨的温室气体 CO 排放。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/096d009c3bd3/41598_2023_33169_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/1b709da47917/41598_2023_33169_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/dd9ca48cff94/41598_2023_33169_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/5d9552d75aba/41598_2023_33169_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/28a2d4733ef3/41598_2023_33169_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/bfc034aab600/41598_2023_33169_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/b31fc7b801cc/41598_2023_33169_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/a5f59992d3d9/41598_2023_33169_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/75dcac94803d/41598_2023_33169_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/c33c5cc7fa4e/41598_2023_33169_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/fdaa7a0a2c42/41598_2023_33169_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/4d63af61f358/41598_2023_33169_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/096d009c3bd3/41598_2023_33169_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/1b709da47917/41598_2023_33169_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/dd9ca48cff94/41598_2023_33169_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/5d9552d75aba/41598_2023_33169_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/28a2d4733ef3/41598_2023_33169_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/bfc034aab600/41598_2023_33169_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/b31fc7b801cc/41598_2023_33169_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/a5f59992d3d9/41598_2023_33169_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/75dcac94803d/41598_2023_33169_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/c33c5cc7fa4e/41598_2023_33169_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/fdaa7a0a2c42/41598_2023_33169_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/4d63af61f358/41598_2023_33169_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c60b/10113394/096d009c3bd3/41598_2023_33169_Fig12_HTML.jpg

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[1]
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[2]
Pretreatment of lignocellulosic biogas substrates by filamentous fungi.

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[3]
Investigation of physicochemical characteristics of selected lignocellulose biomass.

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[4]
Methane production from green and woody biomass using short rotation willow genotypes for bioenergy generation.

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[5]
The greenhouse gas emission effects of rewetting drained peatlands and growing wetland plants for biogas fuel production.

J Environ Manage. 2020-10-10

[6]
Pretreatment strategies for enhanced biogas production from lignocellulosic biomass.

Bioresour Technol. 2020-1-3

[7]
Kinetics of methane production during anaerobic fermentation of chicken manure with sawdust and fungi pre-treated wheat straw.

Waste Manag. 2019-10-31

[8]
Dry anaerobic co-digestion of roadside grass and cattle manure at a 60 L batch pilot scale.

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[9]
Energy and emission benefits of chicken manure biogas production: a case study.

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[10]
Review of the integrated process for the production of grass biomethane.

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