An assessment of the torrefaction of North American pine and life cycle greenhouse gas emissions

McNamee, P.; Adams, Paul W.; McManus, Marcelle; Dooley, Ben; Darvell, L.I.; Williams, Alan; Jones, Jenny M.

doi:10.1016/j.enconman.2016.01.006

Cited by 76 publications

(20 citation statements)

References 29 publications

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“…Year Application [206] 2016 -Processing and sorting forest residues: Cost, productivity and managerial impacts [207] 2016 -Fast hydrothermal liquefaction for production of chemicals and biofuels from wet biomass-The need to develop a plug-flow reactor [208] 2016 -Technical improvements and economic-environmental assessment along the overall torrefaction supply chain through the SECTOR project [209] 2016 -an assessment of the torrefaction of north american pine and life cycle greenhouse gase emission [210] 2016 -Optimal production scheduling for energy efficiency improvement in biofuel feedstock preprocessing considering work-in-process particle separation [211] 2016 -optimization the minimum production cost for the production of woody biofuels [212] 2016 -Prediction of high-temperature rapid combustion behaviour of woody biomass particles [213] 2016 -Environmental and Energy Performance of the Biomass to Synthetic Natural Gas Supply Chain [214] 2016 -Modeling of biofuel pellets torrefaction in a realistic geometry [215] 2015 -regionalized techno-economic assessment and policy analysis for biomass molded fuel in China [216] 2015 -Investigation into the applicability of Bond Work Index (BWI) and Hardgrove Grindability Index (HGI) tests for several biomasses compared to Colombian La Loma coal [217] 2015 -Explosion characteristics of pulverised torrefied and raw Norway spruce (Picea abies) and Southern pine (Pinus palustris) in comparison to bituminous coal [218] 2015 -high moisture corn stover pelleting in a flat die pellet mill fitted-physical properties and specific energy consumption [219] 2015 -comparative cradle-to-gate life cycle assessment of wood pellet production with torrefaction [220] 2011 -to achieve a first understanding of the possibility to combine torrefaction and hydrolysis for lignocellulosic bioethanol processes, and to evaluate it in terms of sugar and ethanol yields…”

Section: Refmentioning

confidence: 99%

Thermal Treatment of Biomass: A Bibliometric Analysis—The Torrefaction Case

et al. 2020

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The aim of the paper was to summarize and discuss current research trends in biomass thermal treatment (torrefaction process). Quantitative analyses were carried out, in which the main countries, research units and scientists were indicated. The analysis showed a clear upward trend in number of publications after 2010. Most scientists on selected topics come from China, USA, Canada, South Korea, Republic of China, Poland (Web od Science—Core Collection (WoS-CC) and Scopus databases). Quantitative analysis also showed that the most relevant WoS-CC categories in the summary are: Energy Fuels, Engineering Chemical, Agricultural Engineering, Biotechnology Applied Microbiology and Thermodynamics and Scopus Subject area: Energy, Chemical Engineering, Environmental Science, Engineering and Chemistry. Thematic analysis included research topics, process parameters and raw materials used. Thematic groups were separated: torrefaction process (temp.: 150–400 °C), hydrothermal carbonization process (HTC) (temp: 120–500 °C), pyrolysis process (temp.: 200–650 °C) and gasification and co-combustion process (temp.: 350–1600 °C). In the years 2015–2019, current research topics were: new torrefaction technologies (e.g., HTC), improvement of the physico-mechanical, chemical and energetic properties of produced fuel as well as the use of torrefied biomass in the process of pyrolysis, gasification and co-combustion. The raw materials used in all types of biomass thermal treatment were: energy crops, wood from fast-growing and exotic trees, waste from the agri-food industry, sewage sludge and microalgae.

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Section: Refmentioning

confidence: 99%

Thermal Treatment of Biomass: A Bibliometric Analysis—The Torrefaction Case

et al. 2020

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“…Torrefied pellets also have certain advantages in comparison with traditional wood pellets considering not only their physical properties and energy content but also the gas emissions from combustion. McNamee et al [12] evaluated the life-cycle GHG emissions of several supply chains for torrefied pine and reported that torrefaction could allow to produce lower GHG emissions per output energy content, compared to conventional wood pellets. In another study [13], the gas emissions from the combustion of a range of fuels (torrefied spruce, peat, biomass/coal blend and two coals) were investigated.…”

Section: Introductionmentioning

confidence: 99%

Integration of torrefaction and CHP plant: Operational and economic analysis

2016

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“…For example, in a cradleto-gate study of torrefied wood pellets transported from Norway to a power plant in England, Adams et al (2015) reported a base case result of 17.5 gCO 2e /MJ total supply chain emissions, and for an alternative scenario regarding pellets transported from Canada, the result was 18.5 gCO 2e /MJ. Similarly, in a cradle-to-gate study of a representative case of torrefied wood pellets transported from Mississippi to a power plant in England, McNamee et al (2016) reported 17.2 gCO 2e /MJ supply chain emissions. For the purposes herein, 17.5 CO 2e /MJ is selected as a representative value of total cradle-to-gate supply chain emissions of Black Pellets where their destination is an overseas power plant.…”

Section: Analysis Of the Co 2e Negative Emissions Content Of Black Pelletsmentioning

confidence: 93%

Achieving negative emissions through oceanic sequestration of vegetation carbon as Black Pellets

Miller

Orton

2021

Climatic Change

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Natural processes and human activities produce vast amounts of dead vegetation which return CO2 to the atmosphere through decay and combustion. If such vegetation could be converted into biocoal and sequestered on the ocean floor, it could reduce the accumulation of atmospheric CO2 without involving sequestration in the form of CO2. Given that raw vegetation is unsuitable for large-scale energy applications, a process was developed to convert raw vegetation into a form of biocoal, termed Black Pellets, that solves the logistical and energy conversion problems of using raw vegetation for power generation. Seemingly overlooked is that properties of Black Pellets—higher density than seawater and resistance to microbial decay—may offer an environmentally safe way of sequestering vegetation carbon on the sea floor. Sequestering vegetation carbon by depositing biocoal as Black Pellets in the deep ocean (oceanic sequestration of biocoal—OSB) would be a means of achieving long-lasting negative emissions. Sacrificing the energy content of the deposited pellets would require substituting energy from other sources. If the substitute energy could be from lower-carbon natural gas or carbon-free sources, the effects would be less accumulation of atmospheric CO2 compared to using the pellets for energy and a nearly 60 to 100% reduction in the need for geologic sequestration compared to bioenergy carbon capture and storage (BECCS). If confirmed by research, OSB would be an addition to the sparse toolbox of negative emission technologies (NETs) which would give humankind more flexibility in meeting the goals of the Paris Agreement.

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An assessment of the torrefaction of North American pine and life cycle greenhouse gas emissions

Cited by 76 publications

References 29 publications

Thermal Treatment of Biomass: A Bibliometric Analysis—The Torrefaction Case

Thermal Treatment of Biomass: A Bibliometric Analysis—The Torrefaction Case

Integration of torrefaction and CHP plant: Operational and economic analysis

Achieving negative emissions through oceanic sequestration of vegetation carbon as Black Pellets

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