Evaluating the opportunity for utilising anaerobic digestion and pyrolysis of livestock manure and grass silage to decarbonise gas infrastructure: A Northern Ireland case study

Mehta, Neha; Anderson, Aine; Johnston, Christopher R.; Rooney, David

doi:10.1016/j.renene.2022.06.115

Cited by 15 publications

(14 citation statements)

References 41 publications

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“…Life cycle assessment is a method for evaluating the environmental impacts of all stages of a commercial product, process, or service’s life cycle. 30 …”

Section: Introductionmentioning

confidence: 99%

“…Life cycle assessment is a method for evaluating the environmental impacts of all stages of a commercial product, process, or service's life cycle. 30 ■ MATERIALS AND METHODS Adsorbent Preparation. Preparation of Pomace Plant Supernatant.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Furthermore, this study also presents a life cycle assessment (LCA) of preparing a pomace leaves-based biochar composite adsorbent to appraise the environmental impacts of the preparation process. Life cycle assessment is a method for evaluating the environmental impacts of all stages of a commercial product, process, or service’s life cycle …”

Section: Introductionmentioning

confidence: 99%

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Facile Synthesis and Life Cycle Assessment of Highly Active Magnetic Sorbent Composite Derived from Mixed Plastic and Biomass Waste for Water Remediation

Osman

Elgarahy

Mehta

et al. 2022

ACS Sustainable Chem. Eng.

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Plastic and biomass waste pose a serious environmental risk; thus, herein, we mixed biomass waste with plastic bottle waste (PET) to produce char composite materials for producing a magnetic char composite for better separation when used in water treatment applications. This study also calculated the life cycle environmental impacts of the preparation of adsorbent material for 11 different indicator categories. For 1 functional unit (1 kg of pomace leaves as feedstock), abiotic depletion of fossil fuels and global warming potential were quantified as 7.17 MJ and 0.63 kg CO 2 equiv for production of magnetic char composite materials. The magnetic char composite material (MPBC) was then used to remove crystal violet dye from its aqueous solution under various operational parameters. The kinetics and isotherm statistical theories showed that the sorption of CV dye onto MPBC was governed by pseudo-second-order, and Langmuir models, respectively. The quantitative assessment of sorption capacity clarifies that the produced MPBC exhibited an admirable ability of 256.41 mg g –1 . Meanwhile, the recyclability of 92.4% of MPBC was demonstrated after 5 adsorption/desorption cycles. Findings from this study will inspire more sustainable and cost-effective production of magnetic sorbents, including those derived from combined plastic and biomass waste streams.

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“…Life cycle assessment is a method for evaluating the environmental impacts of all stages of a commercial product, process, or service’s life cycle. 30 …”

Section: Introductionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Facile Synthesis and Life Cycle Assessment of Highly Active Magnetic Sorbent Composite Derived from Mixed Plastic and Biomass Waste for Water Remediation

Osman

Elgarahy

Mehta

et al. 2022

ACS Sustainable Chem. Eng.

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“…The reviewed literature used different functional units to present the respective findings, including biomass used as feedstock at the inlet of the pyrolysis plant (Yang et al 2021;Brassard et al 2021;Bora et al 2020;Ramos and Ferreira 2022); bioenergy produced (Alcazar-Ruiz et al 2022;Im-Orb and Arpornwichanop 2020;Batlle et al 2020;Cruz et al 2020;Cusenza et al 2021;Moreno et al 2022;Ringsred et al 2021;Mehta et al 2022;Lan et al 2021); quantity of biochemicals after the completion of processing (Thompson et al 2021;Wang et al 2020d;Zhou et al 2020b); quantity of bio-fuel and biochar produced (Fawzy et al 2022;Ramos and Ferreira 2022); and lastly, one year of operation of pyrolysis plant (Papageorgiou et al 2021).…”

Section: Goalmentioning

confidence: 99%

“…The net energy ratio, the ratio of the total process output to input energy, was also provided (Pleanjai and Gheewala 2009) to show the energy efficiency of the pyrolysis system. Mehta et al (2022) computed the net energy ratio to evaluate the usability of pyrolysis to produce alternative energy sources as 7.3 when livestock manure and underutilized grass silage were used as feedstock for anaerobic digestion followed by pyrolysis. Im-Orb and Arpornwichanop (2020) presented the energy efficiency of the pyrolysis system.…”

Section: Key Pointsmentioning

confidence: 99%

Materials, fuels, upgrading, economy, and life cycle assessment of the pyrolysis of algal and lignocellulosic biomass: a review

et al. 2023

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Climate change issues are calling for advanced methods to produce materials and fuels in a carbon–neutral and circular way. For instance, biomass pyrolysis has been intensely investigated during the last years. Here we review the pyrolysis of algal and lignocellulosic biomass with focus on pyrolysis products and mechanisms, oil upgrading, combining pyrolysis and anaerobic digestion, economy, and life cycle assessment. Products include oil, gas, and biochar. Upgrading techniques comprise hot vapor filtration, solvent addition, emulsification, esterification and transesterification, hydrotreatment, steam reforming, and the use of supercritical fluids. We examined the economic viability in terms of profitability, internal rate of return, return on investment, carbon removal service, product pricing, and net present value. We also reviewed 20 recent studies of life cycle assessment. We found that the pyrolysis method highly influenced product yield, ranging from 9.07 to 40.59% for oil, from 10.1 to 41.25% for biochar, and from 11.93 to 28.16% for syngas. Feedstock type, pyrolytic temperature, heating rate, and reaction retention time were the main factors controlling the distribution of pyrolysis products. Pyrolysis mechanisms include bond breaking, cracking, polymerization and re-polymerization, and fragmentation. Biochar from residual forestry could sequester 2.74 tons of carbon dioxide equivalent per ton biochar when applied to the soil and has thus the potential to remove 0.2–2.75 gigatons of atmospheric carbon dioxide annually. The generation of biochar and bio-oil from the pyrolysis process is estimated to be economically feasible.

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Advancements, Challenges, and Pathways to Sustainable Biofuel Production

Din,

Ameen,

Hussain

et al. 2024

Chem Eng & Technol

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The discovery of new energy sources plays a vital role to fulfil the needs of energy and depletion of fossil fuel sources. An inclusive review of all available technologies for the synthesis of biofuels from biomass is presented. Amongst the innovative biomass conversion technologies, thermochemical technology encompasses significant potential practices and is required for expansion. Universally, biofuels are gaining importance due to the depletion of non‐renewable fuel sources in transport and industries by equivalent work proficiencies. The reaction mechanism thoroughly explores all aspects associated with reaction conditions, types of reactor, and products. Biomass thermochemical conversion technologies will be influential in producing sustainable biofuels.

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Evaluating the opportunity for utilising anaerobic digestion and pyrolysis of livestock manure and grass silage to decarbonise gas infrastructure: A Northern Ireland case study

Cited by 15 publications

References 41 publications

Facile Synthesis and Life Cycle Assessment of Highly Active Magnetic Sorbent Composite Derived from Mixed Plastic and Biomass Waste for Water Remediation

Facile Synthesis and Life Cycle Assessment of Highly Active Magnetic Sorbent Composite Derived from Mixed Plastic and Biomass Waste for Water Remediation

Materials, fuels, upgrading, economy, and life cycle assessment of the pyrolysis of algal and lignocellulosic biomass: a review

Advancements, Challenges, and Pathways to Sustainable Biofuel Production

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