impact assessment (lcia) using the ecological scarcity (ecopoints) method: a potential impact analysis to potable water productionLife cycle assessment (LCA)

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In the LCA procedure, three separate but interrelated components: inventory analysis, characterization and Abstract. In this work, a life cycle assessment (LCA) estimating greenhouse gas (GHG) emissions and net energy value (NEV) of the production of gasoline and diesel from forest residues via fast pyrolysis and hydroprocessing, from production of the feedstock to end use of the fuel in a vehicle, is performed. 2019-12-30 · Ethanol Production. Introduction, Raw material, Feedstock conditioning and Pretreatment, Microorganism involved, Production process, Fermentation Byproduct. 2017-02-23 · Some LCA studies have taken steps towards investigating the potential environmental benefits of co-locating and partly integrating enzyme production with ethanol conversion [10–12], but the full potential of an integrated process approach, using part of the lignocellulosic feedstock for enzyme production, has only recently been addressed [37, 38].

Prod. 181 (2018) 249 This analysis reports on the current and longer-term life-cycle assessment (LCA) of corn and cellulosic ethanol production. The model created evaluates the fossil fuel energy consumption, GHG emissions, and petroleum displacement potential of four biofuel Life Cycle Assessment of Cellulosic Ethanol and Biomethane Production from Forest Residues Shaobo Liang, Hongmei Gu,* and Richard D. Bergman There is a strong need to manage low-value forest residues generated from the management practices associated with wildfire, pest, and disease control strategies to improve both the environmental and 3. Life cycle assessment (LCA) This assessment is usually carried out to measure the environmental impact of bioethanol production using different feedstocks. The LCA tool helps for the identification of potential impacts during a process design and for decision making in order to improve the process prior to scaling-up .

the use of a small-scale rapeseed oil, RME and ethanol fuel production system reduced the environmental load in comparison to a medium- and a large-scale system. To fulfil this purpose, a limited LCA, including air-emissions and energy requirements, was carried out for the three fuels and the three plant sizes.

av M Martin · 2011 · Citerat av 2 — the Environmental Performance of Integrated Ethanol and Biogas Production [4] E. van der Voet; R.J. Lifset; L. Luo; Life-cycle assessment of biofuels;

2010). In this study, the impacts associated with conversion were estimated using the Aspen model developed by the Kauffman et al. (2011) proposed a LCA on the basis of a hectare of corn, where the corn grain is used for production of ethanol and the corn stover is subjected to fast pyrolysis yielding biochar and bio-oil. A portion of the biochar was used for pyrolysis energy requirements and the remainder was applied to the agricultural soils from which the corn stover was initially harvested. Life cycle assessment (LCA) techniques allow detailed analysis of material and energy fluxes on regional and global scales. This includes indirect inputs to the production process and associated wastes and emissions, and the downstream fate of products in the future. These biorefinery systems are investigated using a Life Cycle Assessment (LCA) approach, which takes into account all the input and output flows occurring along the production chain.

Plants & Photosynthesis. Sustainable Energy Systems. Concepts/ Skills.
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We conducted a life-cycle assessment (LCA) of ethanol production via bioconversion of willow biomass crop feedstock. Willow crop data were used to assess feedstock production impacts. The bioconversion process was modeled with an Aspen CPM LCA Database - Ethylene production from cane based ethanol. 2017-08-09 · The key objective of this study is to review and discuss the Life Cycle Assessment (LCA) and Techno-Economic Assessment (TEA) of cellulosic ethanol production that were done in previous studies. Fossil fuels are considered one of the most contributing for increasing the rate of greenhouse gas (GHG) emissions.

A cradle-to-gate system Nov 28, 2020 This study summarizes the LCA studies on lignocellulosic ethanol produced from various biomass resources focusing on energy balance, Jun 7, 2010 previous life cycle assessments (LCA), Farrell and colleagues (10) found that current corn ethanol production yields an NEV of approximately Dec 21, 2019 This work presents detailed life cycle assessment (LCA) of a novel process to produce ethanol from rice straw in India. The process has been Jul 30, 2018 The use of bagasse and trash from sugarcane fields in ethanol production is supposed to increase the ethanol yield per hectare, to reduce the LCA FOR ENERGY SYSTEMS AND FOOD PRODUCTS.
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The greenhouse gas (GHG) emissions of the life cycle are 17.45 gCO2e per MJ of ethanol produced. In comparison to gasoline, this results in a 78% reduction

CNPEM is an organization supervised by Ministry of Science, Technology, Innovation and Communication (MCTIC). different system choices in LCA for ethanol production: An assessment Mahasta Ranjbar a, Réjean Samsonb and Paul R. Stuart a a NSERC Environmental Design Engineering Chair b CIRAIG - Interuniversity Reference Center for the Life Cycle Assessment, Interpretation and Management of Products, Processes and Services Chemical Engineering Department Multi-scale bioethanol production systems analysis – from bio-reactor to LCA The overarching goal of this project is to address how data and information flows from small to large scales, and vice-versa, can be effectively used to improve the design and development of industrial biotechnological processes. GREET LCA functional units Per service unit (e.g., mile driven, ton-mi) Per unit of output (e.g., million Btu, MJ, gasoline gallon equivalent) Per units of resource (e.g., per ton of biomass) GREET outputs include energy use, greenhouse gases, criteria pollutants and water consumption for vehicle and energy systems 4 drenne, et al.. LCA case study: comparison between independent and coproduction pathways for the production of ethyl and n-butyl acetates. International Journal of Life Cycle Assessment, Springer Verlag, 2018, 23 (2), pp.251-266. �10.1007/s11367-017-1317-8�.

av M Janssen · 2016 · Citerat av 23 — Lastly, a comparison with results of an LCA of ethanol production under high-gravity conditions using wheat straw shows that the environmental performance

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Quantify environmental impacts along the life cycle – Life cycle assessment (LCA) .. 25 with acrylic acid and ethanol data to approximate ethyl acrylate); and. beef production with a product perspective, and for this, life cycle assessment bio-ethanol production and because of the large interest in producing ethanol, 2014. Nudie. Life cycle analysis of three specific models of organically produced jeans. with LCA on alternative fuels such as ethanol, biogas, DME, RME,.