Life cycle energy and cost analysis of small scale biogas plant and solar PV system in rural areas of Bangladesh

Ali, Md. Rayhan; Hassan, Mehadi; Rahman, Md. Atiqur; Kafy, Abdulla Al; Ara, Iffat; Javed, Akib; Rahman, Md. Redwanur

doi:10.1016/j.egypro.2019.02.147

Cited by 35 publications

(16 citation statements)

References 9 publications

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“…The economic feasibility of anaerobic digestion technologies could depend on the capability of the industries to join forces and create consortiums, among industries of the same alcoholic beverage production field or adding other agri-food industries or agricultural exploitations to benefit from scale economy advantages in order to afford installations of an adequate size, which could have a centralized management and operation, reducing costs and payback time (ideally 15 years or less) for the needed investments [59][60][61].…”

Section: Practical Application Of the Results Of The Bmp Testsmentioning

confidence: 99%

Biogas Potential of Wastes and By-Products of the Alcoholic Beverage Production Industries in the Spanish Region of Cantabria

Montes

Rico

2020

Applied Sciences

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The industry of alcoholic beverage production has been, historically, both an important economic engine and a source of wastes and pollution (due to the production processes by themselves and to the energy requirements) in a number of countries. In the small region of Cantabria, in northern Spain, the production of alcoholic beverages as an economic sector has been growing in importance in recent years. Thus, there is a new flow of waste for which specific management plans have yet to be developed. The result is an increase in the total amount of urban waste to be disposed. Anaerobic digestion can be a suitable in-situ solution for the treatment of the generated wastes providing a source of renewable energy which can be a supply for the processes in these industries, reducing the emission of greenhouse gases associated to the use of fossil fuels, all of this benefitting both environment and economy. In this work the authors present the information gathered about waste generation and the biomethanogenic potential of the most important wastes generated in the industries. As a result, specific strategies could be designed for the industrial sector in the region, of which other small agro-industries can benefit.

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Section: Practical Application Of the Results Of The Bmp Testsmentioning

confidence: 99%

Biogas Potential of Wastes and By-Products of the Alcoholic Beverage Production Industries in the Spanish Region of Cantabria

Montes

Rico

2020

Applied Sciences

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“…Garfí et al [31] evaluated the installation of small-size digesters for biogas production in Colombian farms: a potential environmental impact reduction up to 80% is associated with manure handling, fuel and fertilizer because of the biogas production. 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].…”

Section: Introductionmentioning

confidence: 81%

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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“…It is also possible to obtain both thermal and electric energy in one solar module (PV/T), as well as high temperatures for various technological processes of anaerobic bioconversion systems using solar concentrators. Using energy from AV allows getting higher biogas net output, and biogas becomes an energy storage to be used for dispatchable power supply in stand-alone systems [62][63][64]. Such combinations are also used in trigeneration systems including an internal combustion engine and an adsorption heat pump [65].…”

Section: Conversion To Biogasmentioning

confidence: 99%

A Review of Current Activities and Future Trends in Agrivoltaics

Klokov¹,

Loktionov²,

Loktionov³

et al. 2023

Preprint

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Agrivoltaics (Agri-PV, AV) - the joint use of land for the production of agricultural products and energy - has recently been rapidly gaining popularity, as it can significantly increase income per unit of land area. In a broad sense, AV systems can include converters of not only solar, but also energy from any other local renewable source, including bioenergy. Current approach to AV represents an evolutionary development of agroecology and integrated PV power supply to the grid. That results in nearly doubled income per unit area. While AV could provide a basis for revolution in large-scale unmanned precision (intelligent) farming which is impossible without on-site power supply, chemical fertilisation and pesticides reduction, and yield processing on-site. These approaches could change the logistics of agriculture dramatically, and so, reduce its carbon footprint. Utilisation of decommissioned solar panels in AV could make the technology twice cheaper and postpone the need for bulk PV recycling. This review is mainly focused on the possibilities for AV to be stronger integrated into agriculture that could also help in relevant legal collisions (considered as neither rather than both components) resolution.

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Life cycle energy and cost analysis of small scale biogas plant and solar PV system in rural areas of Bangladesh

Cited by 35 publications

References 9 publications

Biogas Potential of Wastes and By-Products of the Alcoholic Beverage Production Industries in the Spanish Region of Cantabria

Biogas Potential of Wastes and By-Products of the Alcoholic Beverage Production Industries in the Spanish Region of Cantabria

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

A Review of Current Activities and Future Trends in Agrivoltaics

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