Life cycle assessment of manure biogas production: A review

Esteves, Elisa Maria Mano; Herrera, Ana Maria Naranjo; Esteves, Victor Paulo Peçanha; Morgado, Cláudia do Rosário Vaz

doi:10.1016/j.jclepro.2019.02.091

Cited by 149 publications

(62 citation statements)

References 53 publications

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“…Certainly, these results are caused by comprehensive organizational activities by the state and active institutions. Results of ongoing works on regulatory mechanisms improving, standardization of management processes, development, and unification of technological solutions in the area of BF are reflected in the different publications of many scientists from various countries, including Russia [71][72][73][74][75][76][77]. It is also worth noting that positive environmental effect from the application of BF is already being registered.…”

Section: General Trends Of Biofuel Production Development and Some Prmentioning

confidence: 96%

Biofuel Application as a Factor of Sustainable Development Ensuring: The Case of Russia

Титова

2019

Energies

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Diffusion of the biofuels (BF) using is justified by opening up the opportunities for obtaining fuel and energy from previously inaccessible sources and by the existence of energy-deficient regions, in particular in Russia. Works of different scientists on the problems of creating and using BF were the methodological basis of this study. Information on the state and prospects of the development of renewable energy sources in Russian regions was collected from regulatory documents and was obtained by employing a questionnaire survey. For the study of the collected materials, the different methods of comparative analysis, and the methods of expert assessments were used. The results of the Status-Quo analysis of BF production in Russia have shown that the creation of BF performed relatively successfully. However, there are many more perspectives, connected with expanding the utilization of the different raw materials. Also, the analysis of organizational and economic mechanisms applied for production of BF and the obtained data on several organizations-producers allowed for proposing six indexes for the assessment of the BF production effectiveness. It is suggested that BF production in Russia will contribute to the sustainable development of a number of the country's regions in the near future.Energies 2019, 12, 3948 2 of 30 impact of permanent anthropogenic factors has required the taking of appropriate measures in this field both at the federal and regional levels. In particular, the accumulation of industrial, agricultural, and household wastes is becoming an essential incentive for the development of innovative activities aiming at the production of biofuel (BF). According to the existing data [3], the resource potential of recyclable organic waste biomass, including solid household wastes and sediments of wastewaters reaches 13,490.26 tons of coal equivalent (TCE) per year in Russia. This study led both at the federal level and in particular regions which have significant differences in terms of economic, geographic, and climatic conditions. According to pessimistic forecasts, the share of green energy in the Russian economy will arrive at 3-5% by 2035, according to positive ones, it will be equal to 8-10%. The proposed share of BF in the production of electric and heat energy with targeted management could be about 2-3% [4].Different geographic, climatic, economic, and other conditions in regions of Russia necessitate solving several scientific problems for optimization of the existing regional programs for the provision of sustainable development and determination of the role of REn and BF production in them.Therefore, the progress in BF production achieved in some leading countries has become a significant factor which causes a positive impact on the sustainable development of their economies. This gives rise to the suggestion that Russia has some conditions for a more extensive application of REn, in particular, for BF production and use. Correspondingly, this article characterizes some general trends of B...

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Section: General Trends Of Biofuel Production Development and Some Prmentioning

confidence: 96%

Biofuel Application as a Factor of Sustainable Development Ensuring: The Case of Russia

Титова

2019

Energies

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“…The same concept was demonstrated-through an environmental analysis-for Ethiopia by Gabisa et al [32] and for Bangladesh by Ali et al [33]. More recent and general reviews on LCA of agro-biogas are also available in literature [34,35]. Dedicated energy crops cultivation for biogas production has been evaluated by Torquati et al [36]: crops production indeed plays a crucial role in the whole process LCA.…”

Section: Introductionmentioning

confidence: 94%

Life Cycle Assessment of a Biogas-Fed Solid Oxide Fuel Cell (SOFC) Integrated in a Wastewater Treatment Plant

et al. 2019

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This work assesses the environmental impacts of an industrial-scale Solid Oxide Fuel Cell (SOFC) plant fed by sewage biogas locally available from a Waste Water Treatment Plant (WWTP). Three alternative scenarios for biogas exploitation have been investigated and real data from an existing integrated SOFC-WWTP have been retrieved: the first one (Scenario 1) is the current scenario, where biogas is exploited in a boiler for thermal-energy-only production, while the second one is related to the installation of an efficient SOFC-based cogeneration system (Scenario 2). A thermal energy conservation opportunity that foresees the use of a dynamic machine for sludge pre-thickening enhancement is also investigated as a third scenario (Scenario 3). The life cycle impact assessment (LCIA) has shown that producing a substantial share of electrical energy (around 25%) via biogas-fed SOFC cogeneration modules can reduce the environmental burden associated to WWTP operations in five out of the seven impact categories that have been analyzed in this work. A further reduction of impacts, particularly concerning global warming potential and primary energy demand, is possible by the decrease of the thermal request of the digester, thus making the system independent from natural gas. In both Scenarios 2 and 3, primary energy and CO2 emissions embodied in the manufacture and maintenance of the cogeneration system are neutralized by operational savings in less than one year.

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“…During hydrolysis, hydrolytic bacteria colonize the surface of solid waste molecules and release enzymes on the surface of the material undergoing decomposition, which enable the degradation of organic molecules under the influence of bacteria . Organic waste submitted to hydrolysis is a rich source of energy required to produce biogas, as the main components of such waste are lignins, hemicellulose, and cellulose . The main substrates of this type are the biomass from the agricultural, wood, and food processing industries, which is both readily available and abundant in the environment, in addition to which it is one of the least expensive sources of carbohydrates .…”

Section: Stages Of Admentioning

confidence: 99%

Intensification of biogas production using various technologies: A review

et al. 2020

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Summary Anaerobic digestion (AD) is an organic matter conversion technology which offers a wide range of options for production of biogas from organic biomass, providing an excellent opportunity to convert abundant bioresources into safe, eco‐friendly, renewable energy. Important factors in the process of AD are the biodiversity of microorganisms, chemical load of oxygen demand, and content of water and total solids. A challenge for the future is to find technologies that will maximally enhance biogas production and to find pathways for biogas to supersede well‐established technologies and practices in the contemporary heavily fossil fuel‐based energy system. Current studies on technologies of biogas production indicate a number of possibilities of using appropriate biological and physicochemical additives, like added enzymes or fruit pomace, as well as immobilizing microorganisms on biofilters. Anaerobic biorefinery is an emerging concept that generates not only bioenergy but also high‐value biochemical products from the same feedstock. This study is a review of articles describing the intensification of biogas production by using various technologies.

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Life cycle assessment of manure biogas production: A review

Cited by 149 publications

References 53 publications

Biofuel Application as a Factor of Sustainable Development Ensuring: The Case of Russia

Biofuel Application as a Factor of Sustainable Development Ensuring: The Case of Russia

Life Cycle Assessment of a Biogas-Fed Solid Oxide Fuel Cell (SOFC) Integrated in a Wastewater Treatment Plant

Intensification of biogas production using various technologies: A review

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