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Life cycle assessment of energy and GHG emissions during ethanol production from grass straws using various pretreatment processes

Creator:: Kumar, Deepak and Murthy, Ganti S.
Abstract:: Background, aim and scope: The aim of this study was to perform a well-to-pump life cycle assessment (LCA) to investigate the overall net energy balance and environmental impact of bioethanol production using Tall Fescue grass straw as feedstock. The energy requirements and green house gas (GHG) emissions were compared to...
Resource Type:: Article
Full Text:: 1 Title Page 1 Authors: Deepak Kumar, Ganti S. Murthy

Stochastic molecular model of enzymatic hydrolysis of cellulose for ethanol production

Creator:: Kumar, Deepak and Murthy, Ganti S.
Abstract:: Background: During cellulosic ethanol production, cellulose hydrolysis is achieved by synergistic action of cellulase enzyme complex consisting of multiple enzymes with different mode of actions. Enzymatic hydrolysis of cellulose is one of the bottlenecks in the commercialization of the process due to low hydrolysis rates and high cost of enzymes....
Resource Type:: Article

A dynamic flux balance model and bottleneck identification of glucose, xylose, xylulose co-fermentation in Saccharomyces cerevisiae

Creator:: Hohenschuh, William, Hector, Ronald, and Murthy, Ganti S.
Abstract:: A combination of batch fermentations and genome scale flux balance analysis were used to identify and quantify the rate limiting reactions in the xylulose transport and utilization pathway. Xylulose phosphorylation by xylulokinase was identified as limiting in wild type Saccharomyces cerevisiae, but transport became limiting when xylulokinase was upregulated. Further...
Resource Type:: Article

Economic and cradle-to-gate life cycle assessment of poly-3-hydroxybutyrate production from plastic producing, genetically modified hybrid poplar leaves

Creator:: Hohenschuh, William, Kumar, Deepak, and Murthy, Ganti S.
Abstract:: Poly-3-hydroxybutyrate (PHB) is a renewable, biodegradable biopolymer that has shown great promise to offset the use of hydrocarbon-derived plastics. The genes encoding the bacterial PHB production pathway have been engineered into several higher order plant species providing an opportunity to produce PHB as a co-product on an industrial, agricultural scale....
Resource Type:: Article
Full Text:: leaves William Hohenschuh, Deepak Kumar, and Ganti S. Murthy Biological and Ecological Engineering

Economic feasibility and environmental life cycle assessment of ethanol production from lignocellulosic feedstock in Pacific Northwest U.S.

Creator:: Juneja, Ankita, Kumar, Deepak, and Murthy, Ganti S.
Abstract:: Bioethanol produced from the lignocellulosic feedstock is a potential alternative to fossil fuels in transportation sector and can help in reducing environmental burdens. Straw produced from perennial ryegrass (PR) and wheat is a non-food, cellulosic biomass resource available in abundance in the Pacific Northwest U.S. The aim of this study...
Resource Type:: Article
Full Text:: 1 Authors: Ankita Juneja, Deepak Kumar, Ganti S. Murthy

Effects of Environmental Factors and Nutrient Availability on the Biochemical Composition of Algae for Biofuels Production: A Review

Creator:: Juneja, Ankita, Ceballos, Ruben Michael, and Murthy, Ganti S.
Abstract:: Due to significant lipid and carbohydrate production as well as other useful properties such as high production of useful biomolecular substrates (e.g., lipids) and the ability to grow using non-potable water sources, algae are being explored as a potential high-yield feedstock for biofuels production. In both natural and engineered systems,...
Resource Type:: Article
Full Text:: Biofuels Production: A Review Ankita Juneja 1, Ruben Michael Ceballos 2 and Ganti S. Murthy 1,* 1

Life cycle assessment of ethanol production from tropical banagrass (Pennisetum purpureum) using green and dry processing technologies in Hawaii

Creator:: Mochizuki, Junko, Yanagida, John F., Kumar, Deepak, Takara, Devin, and Murthy, Ganti S.
Abstract:: This study conducted well-to-pump and well-to wheel life-cycle assessment of fossil energy use and greenhouse gas (GHG) emissions during ethanol production from tropical Banagrass (Pennisetum purpureum) using green-processing (with the use of fresh feedstocks) and dry or conventional processing (with the use of dried feedstocks) in the state of Hawaii....
Resource Type:: Article
Full Text:: processing technologies in Hawaii Mochizuki, J., Yanagida, J. F., Kumar, D., Takara, D., & Murthy, G. S

Design and Evaluation of an Optimal Controller for Simultaneous Saccharification and Fermentation Process

Creator:: Murthy, Ganti S., Johnston, David B., Rausch, Kent D., Tumbleson, M. E., and Singh, Vijay
Abstract:: Ethanol from corn is produced using dry grind corn process in which simultaneous saccharification and fermentation (SSF) is one of the most critical unit operations. In this work an optimal controller based on a previously validated SSF model was developed by formulating the SSF process as a Bolza problem and...
Resource Type:: Article
Full Text:: Fermentation Process Ganti S. Murthy ·David B. Johnston · Kent D. Rausch ·M. E. Tumbleson ·Vijay Singh

Potential for ethanol production from conservation reserve program lands in Oregon

Creator:: Juneja, Ankita, Kumar, Deepak, Williams, John D., Wysocki, Donald J., and Murthy, Ganti S.
Abstract:: Increase in energy demand has led towards considering lignocellulosic feedstocks as potential for ethanol production. Aim of this study was to estimate the potential of grass straws from conservation reserve program (CRP) lands as feedstocks for ethanol production. The CRP was initiated to ensure reduction in soil erosion with a...
Resource Type:: Article
Full Text:: . D. Hsu, A. Aden, A. Dutta, and G. Kothandaraman, Fuel 89, S20 (2010). 22D. Kumar and G. S. Murthy

Phytochemical, antioxidant and antibacterial potential of Elaeagnus kologa (Schlecht.) leaf

Creator:: Merculieff, Zoe, Ramnath, Shubharani, Sankoli, Seethalakshini Madhukar, Venkataramegowda, Sivaram, Murthy, Ganti S., and Ceballos, Ruben Michael
Abstract:: Objective: To screen different solvent extracts of Elaeagnus kologa (E. kologa) leaf to determine the phytochemicals, potent antioxidant and antibacterial activity to find out the possible source of applied pharmaceutical formulations. Methods: Solvent extracts of leaf material were prepared using the Soxhlet apparatus. A study was performed on antioxidant activity...
Resource Type:: Article
Full Text:: ., Murthy, G. S., & Ceballos, R. M. (2014). Phytochemical, antioxidant and antibacterial potential of

ScholarsArchive@OSU

Life cycle assessment of energy and GHG emissions during ethanol production from grass straws using various pretreatment processes

Stochastic molecular model of enzymatic hydrolysis of cellulose for ethanol production

A dynamic flux balance model and bottleneck identification of glucose, xylose, xylulose co-fermentation in Saccharomyces cerevisiae

Economic and cradle-to-gate life cycle assessment of poly-3-hydroxybutyrate production from plastic producing, genetically modified hybrid poplar leaves

Economic feasibility and environmental life cycle assessment of ethanol production from lignocellulosic feedstock in Pacific Northwest U.S.

Effects of Environmental Factors and Nutrient Availability on the Biochemical Composition of Algae for Biofuels Production: A Review

Life cycle assessment of ethanol production from tropical banagrass (Pennisetum purpureum) using green and dry processing technologies in Hawaii

Design and Evaluation of an Optimal Controller for Simultaneous Saccharification and Fermentation Process

Potential for ethanol production from conservation reserve program lands in Oregon

Phytochemical, antioxidant and antibacterial potential of Elaeagnus kologa (Schlecht.) leaf

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