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Three essays on lignocellulosic ethanol development in Hawaiʻi : cross-disciplinary analyses based on geospatial, life-cycle and general equilibrium modeling

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Item Summary

Title: Three essays on lignocellulosic ethanol development in Hawaiʻi : cross-disciplinary analyses based on geospatial, life-cycle and general equilibrium modeling
Authors: Mochizuki, Junko
Keywords: banagrass
Issue Date: Aug 2013
Publisher: [Honolulu] : [University of Hawaii at Manoa], [August 2013]
Abstract: This dissertation examines lignocellulosic bioethanol development in the State of Hawaiʻi using banagrass (Pennisetum purpureum Schum), as a candidate species. The dissertation is comprised of three essays which examine spatial, environmental, and economics aspects of bioethanol production respectively.
In essay one, geographical information system (GIS) and mixed integer linear programming are combined to identify economically optimal supply chain configuration on the island of Hawaiʻi to meet 20% of the island's gasoline demand and 20% of the state's demand respectively. In essay two, an attributional life-cycle energy and GHG emissions model is built to compare the biochemical conversion of lignocellulosic ethanol based on the conventional pathway of Simultaneous Saccharification and Co-fermentation (SSCoF) based on dilute acid pretreatment and a novel option of green-processing, which uses freshly harvested banagrass and yields an additional revenue stream of protein-rich fungal biomass (Rhizopus microsporus var. oligosporus) as a co-product. In essay three, an agricultural and energy sector-focused computable general equilibrium (CGE) model of Hawaiʻi is built to estimate the market, welfare, land-use and GHG emissions impacts of the banagrass-derived bioethanol industry. Together, these cross-disciplinary essays examine the technological and economic feasibility of this emerging bioethanol option in Hawaiʻi.
Description: Ph.D. University of Hawaii at Manoa 2013.
Includes bibliographical references.
URI/DOI: http://hdl.handle.net/10125/100624
Appears in Collections:Ph.D. - Natural Resources and Environmental Management



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