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نتیجه جستجو - Waste to energy

تعداد مقالات یافته شده: 3
ردیف عنوان نوع
1 Biomass waste-to-energy supply chain optimization with mobile production modules
بهینه سازی زنجیره تامین زباله به انرژی زیست توده با ماژول های تولید تلفن همراه-2021
Biomass waste is a naturally occurring agricultural byproduct. It is estimated that about 60 million tons per year can be extracted sustainably without altering land use patterns or competing with existing demands. Utilizing this waste is logistically challenging due to the inherent low density and distributed availability of biomass. This work proposes a supply chain optimization problem which decides where to locate and relocate mobile and modular production units to convert biomass waste to energy. Both deterministic and two-stage stochastic formulations are presented, accounting for the inherent uncertainty of where and how much biomass is produced. The framework is applied to case studies analyzing the states of Minnesota and North Carolina. Results from both states show that mobile production modules lead to supply chain cost savings of 1–4%, or millions of dollars per year. Additionally, this work demonstrates the benefit of mobile modules as a means of protecting against uncertainty.
Keywords: Modular manufacturing | Distributed supply chain | Biomass waste-to-energy | Circular economy | Stochastic programming
مقاله انگلیسی
2 Prediction of greenhouse gas emissions from Ontario’s solid waste landfills using fuzzy logic based model
پیش بینی انتشار گازهای گلخانه ای از محل های دفع زباله جامد انتاریو با استفاده از مدل مبتنی بر منطق فازی-2020
In this study, multi-criteria assessment technique is used to predict the methane generation from large municipal solid waste landfills in Ontario, Canada. Although a number of properties determine the gas generation from landfills, these parameters are linked with empirical relationships making it difficult to generate precise information concerning gas production. Moreover, available landfill data involve sources of uncertainty and are mostly insufficient. To fully characterize the chemistry of reaction and predict gas generation volumes from landfills, a fuzzy-based model is proposed having seven input parameters. Parameters were identified in a linguistic form and linked by 19 IF-THEN statements. When compared to measured values, results of the fuzzy based model showed good prediction of landfill gas generation rates. Also, when compared to other first order decay and second order decay models like LandGEM, the fuzzy based model showed better results. When plotting the LandGEM and Fuzzy model values to the actual measured data, the fuzzy model resulted in a better fit to actual data than the LandGEM model with a coefficient of determination R2 of 0.951 for fuzzy model versus 0.804 for LandGEM model. The results show how multi-criteria assessment technique can be used in modelling of complicated processes that take place within the landfills and somehow accurately predicting the landfill gas generation rate under different operating conditions
Keywords: Municipal solid waste | Landfill gas | Life-cycle assessment | Waste to energy | Greenhouse gas emissions | Fuzzy model
مقاله انگلیسی
3 Environmental impact assessment of waste to energy projects in developing countries: General guidelines in the context of Bangladesh
ارزیابی اثرات زیست محیطی زباله به پروژه های انرژی در کشورهای در حال توسعه: دستورالعمل های کلی در زمینه بنگلادش-2020
Generating energy from waste is an evolving phenomenon nowadays in most parts of the world. The establishment of Waste to Energy (WtE) generation plants using appropriate technologies is increasing both in developed and developing countries as one of the sustainable options for waste management. However, there is a lack of guidelines of assessing environmental impacts of such projects, particularly in developing countries. This paper is an attempt to deliver general guidelines for conducting an Environmental Impact Assessment (EIA) of WtE generation projects in the context of Bangladesh. Based on secondary information, this paper draws attention to environmental impact issues that can be relevant to the construction and operation of WtE projects. These issues include air quality, water quality, disturbance of terrestrial habitat, human health, emission of greenhouse gases (GHGs) and other pollutants, impacts on local community, land use, and visual disturbance. This paper also suggests mitigation measures to address the potential significant impacts in addition to key elements in the development of an Environmental Management Plan (EMP) that includes a monitoring program. Finally, recommendations are made on how to successfully undertake the EIA.
Keywords: EIA guideline | Waste management | Sustainable development | Renewable energy | Bangladesh
مقاله انگلیسی
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