Environmental impact assessment of end-uses of biomethane

Ferreira, Samuel Fontenelle; Buller, Luz Selene; Berni, Mauro Donizeti; Forster‐Carneiro, Tânia

doi:10.1016/j.jclepro.2019.05.034

Cited by 53 publications

(20 citation statements)

References 26 publications

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“…Although the cleaning and purification of biogas into biomethane is a bottleneck ( Leme and Seabra, 2016 ; Awe et al, 2017 ), previous studies have shown that the end-use of biomethane in heavy vehicles presents the best environmental performance ( Ferreira et al, 2019 ). Moreover, biomethane is compatible with natural gas.…”

Section: Resultsmentioning

confidence: 99%

A spatially explicit assessment of sugarcane vinasse as a sustainable by-product

Buller

Romero

Lamparelli

et al. 2021

Science of The Total Environment

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This study evaluates the benefits of mineral fertilizers replacement for biodigested vinasse. Data from experimental anaerobic digestion (AD) of vinasse were applied to support the analysis. Based on previous experiments, this assessment assumed that vinasse production could reach 2.38 × 10 7 m 3 /year generating around 66,585 MWh/year of electric energy from biogas burning in the Administrative Region of Campinas (ARC). This amount of energy could supply more than 103,000 inhabitants and avoid 35,892 tCO 2eq /year (from electric energy replacement). The biodigested vinasse might also reduce the total N, P, and K mineral fertilizers demand per hectare of sugarcane crop in 30%, 1%, and 46%, respectively, avoiding additional greenhouse gas emissions of 111,877 tCO 2 eq/year. There is no biodigested vinasse surplus for a moderate fertigation rate of 100 m 3 /ha, complying with local environmental laws related to nutrients excess side effects in areas destined to sugarcane crop. Notwithstanding, a Geographic Information System analysis for a small adjacent area to ARC indicated nine different fertigation rates, ranging from 50 to 100 m 3 /ha. Even though the general analysis for ARC shows high NPK replacement levels, the fertigation practices should be subsidized for robust soil analysis and adequate to safe environmental levels. A management tool can be designed using the results here presented to subsidize investments for AD widespread adoption by the sugarcane industry to catch a reasonable practice from the economic and environmental perspectives.

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Section: Resultsmentioning

confidence: 99%

A spatially explicit assessment of sugarcane vinasse as a sustainable by-product

Buller

Romero

Lamparelli

et al. 2021

Science of The Total Environment

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“…Policymakers, for example, that use science as basis for their work, have the power to choose values as desired if they are not specified. GWP, for example, is only provided in 8 of the 20 environmental studies (Bachmann et al, 2015;Cooper et al, 2019;Ferreira et al, 2019;Hagos & Ahlgren, 2018;Jenn et al, 2013;Langshaw et al, 2019;Ližbetin et al, 2018;Song et al, 2017;Tong et al, 2015). From those that present GWP values, only three indicate correct values from one of the IPCC reports (Cooper et al, 2019;Hagos & Ahlgren, 2018;Ližbetin et al, 2018).…”

Section: The Disorder and Lack Of Data In Publicationsmentioning

confidence: 99%

Review of life cycle greenhouse gases, air pollutant emissions and costs of road medium and heavy‐duty trucks

Machado

Teixeira

Collaço

et al. 2021

WIREs Energy & Environment

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The desired energy transition to guarantee net-zero greenhouse gases (GHGs) emissions needs to take place in every sector of the global economy. The transport sector is responsible for a large share of energy consumption and GHGs emissions while contributing to the increase in air pollution. Although new technologies are available, the use of diesel in road transport is still predominant. These new technologies, nonetheless, still present inconsistencies in their environment, economic performances and do not necessarily provide improvements when considering the entire fuel life cycle used in medium and heavy-duty trucks. This systematic review addresses the uncertainties in life cycle studies regarding the road transport sector fuel consumption, GHGs, and air pollutant emissions economic analyses. Results show that there are higher chances of reducing GHGs emissions through biogas or fuel-cell hydrogen trucks, while PM 2.5 and NOx emissions have higher chances of being reduced with fuel-cell hydrogen or natural gas trucks. There is, however, a reduced interest by the scientific community in the transport literature in dealing with air pollutants, and the focus is mainly on GHGs emissions. When it comes to economic viability, natural gas and hybrid trucks are the best substitutes.

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“…32,33 After purification, more than 95% methane is obtained, and the biomethane can be injected directly into existing natural gas networks. 34 From an environmental perspective, beyond reducing the content of organic matter in a waste, AD produces clean energy, a value-added product.…”

Section: Suggested System Boundary For Açaí Waste Management: Admentioning

confidence: 99%

“…It can also be purified into biomethane for the use of gas ovens, lights, and heavy-duty vehicles. 34 The several possible uses of biomethane are additional routes to mitigate GHG emissions. 34 Such routes are strategies for the development of a circular economy that mitigate environmental side effects while reinforcing the sustainability of the productive chain.…”

Section: Circular Economy For Sustainable Industrial Developmentmentioning

confidence: 99%

Waste management and bioenergy recovery from açaí processing in the Brazilian Amazonian region: a perspective for a circular economy

Ferreira

Buller

Maciel-Silva

et al. 2020

Biofuels Bioprod Bioref

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This study aims to evaluate the Brazilian production of açaí, focusing on its waste generation and addressing mass and energy balances arising from its cultivation, extraction, processing, and waste disposal. A new technological route for açaíʼs waste management was introduced for bioenergy recovery based on the circular economy concept. In 2018, Brazil produced 1.7 million tons of açaí fruit for an income of 1.07 billion USD, and the associated waste generation (seeds) was estimated at 85%. Due to the high production of waste, an innovative approach was developed for a system boundary (conceptual line that divides the system), including the management of solid and liquid wastes through anaerobic digestion (AD). The results showed that, from 1 ton of açaí fruit fed into the facility for processing, 1.2 ton of solid waste and wastewater was generated. This waste was submitted to AD and produced 2.77 m3 of biogas, with a methane composition of 50%. The complete industrial process demands 25 kWh per ton of frozen pulp. The local energy produced by the biogas burning could be recycled and used by the process, establishing a circular energy economy for this sector. With the adoption of AD waste management, about 61% of the external electricity requirement for the açaí fruit processing can be replaced from the biogas produced. The adoption of this technology can be contribute to decarbonization. Furthermore, the implementation of AD could support the transition to a circular economy, with environmental, social, and economic benefits for local and regional sustainable development. © 2020 Society of Chemical Industry and John Wiley & Sons, Ltd

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Environmental impact assessment of end-uses of biomethane

Cited by 53 publications

References 26 publications

A spatially explicit assessment of sugarcane vinasse as a sustainable by-product

A spatially explicit assessment of sugarcane vinasse as a sustainable by-product

Review of life cycle greenhouse gases, air pollutant emissions and costs of road medium and heavy‐duty trucks

Waste management and bioenergy recovery from açaí processing in the Brazilian Amazonian region: a perspective for a circular economy

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