Colimoxin influences on the anaerobic co-digestion performance of chicken manure and wheat straw: volatile fatty acids generation and utilization trends and regression modelling

IF 4.7 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Environment, Development and Sustainability Pub Date : 2024-09-03 DOI:10.1007/s10668-024-05375-x
Muhammad Aamir, Muhammad Hassan
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Abstract

Energy production and recycling from chicken manure (CM) is a sustainable and environmentally friendly approach. The CM is considered a valuable bioresource for methane production. The commercial applications of colimoxin for the poultry bird health; its traces are being ejected in CM and it becomes toxic for the methanogenic archaea during the anaerobic digestion process. The influences of the colimoxin were investigated on the anaerobic co-digestion performance of the CM and wheat straw (WS). The CM is co-digested with WS at carbon to nitrogen ratio of 25 to reduce the nitrogen contents of the CM. To optimize the colimoxin dose for methane generation; eight different colimoxin treatments were applied with varying colimoxin dose. The lower colimoxin dose was found healthy for the microbes and Treatment-4 resulted in 23% methane enhancement, while the higher colimoxin doses inhibited the methane production. The synergistic influences of the colimoxin dose on the volatile fatty acids generation and utilization were deeply monitored. The regression models were developed by using second degree polynomial regression models to optimize the colimoxin dose for the commercial biogas facilities and for the commercial poultry control sheds. The onsite methane generation would result in in-situ electrical energy production for the rural community.

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秋水仙素对鸡粪和小麦秸秆厌氧协同消化性能的影响:挥发性脂肪酸的生成和利用趋势及回归模型的建立
利用鸡粪(CM)生产和回收能源是一种可持续的环保方法。鸡粪被认为是生产甲烷的宝贵生物资源。大肠杆菌毒素的商业应用是为了家禽的健康;它在鸡粪中被释放出来,在厌氧消化过程中对产甲烷古细菌产生毒性。研究了大肠杆菌毒素对中麦秆和小麦秸秆(WS)厌氧共消化性能的影响。在碳氮比为 25 的条件下,CM 与 WS 共同消化,以降低 CM 中的氮含量。为了优化产生甲烷的秋水仙素剂量,采用了八种不同的秋水仙素处理方法。结果发现,较低剂量的秋水仙素对微生物健康有益,处理-4 使甲烷增加了 23%,而较高剂量的秋水仙素则抑制了甲烷的产生。研究还深入监测了秋水仙素剂量对挥发性脂肪酸生成和利用的协同影响。利用二度多项式回归模型建立了回归模型,以优化商业沼气设施和商业家禽控制舍的大肠杆菌毒素剂量。现场产生的沼气将为农村社区带来现场电能生产。
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来源期刊
Environment, Development and Sustainability
Environment, Development and Sustainability Economics, Econometrics and Finance-Economics and Econometrics
CiteScore
10.20
自引率
6.10%
发文量
754
期刊介绍: Environment, Development and Sustainability is an international and multidisciplinary journal covering all aspects of the environmental impacts of socio-economic development. It is also concerned with the complex interactions which occur between development and environment, and its purpose is to seek ways and means for achieving sustainability in all human activities aimed at such development. The subject matter of the journal includes the following and related issues: -mutual interactions among society, development and environment, and their implications for sustainable development -technical, economic, ethical and philosophical aspects of sustainable development -global sustainability - the obstacles and ways in which they could be overcome -local and regional sustainability initiatives, their practical implementation, and relevance for use in a wider context -development and application of indicators of sustainability -development, verification, implementation and monitoring of policies for sustainable development -sustainable use of land, water, energy and biological resources in development -impacts of agriculture and forestry activities on soil and aquatic ecosystems and biodiversity -effects of energy use and global climate change on development and sustainability -impacts of population growth and human activities on food and other essential resources for development -role of national and international agencies, and of international aid and trade arrangements in sustainable development -social and cultural contexts of sustainable development -role of education and public awareness in sustainable development -role of political and economic instruments in sustainable development -shortcomings of sustainable development and its alternatives.
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