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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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|Title:||Three essays on lignocellulosic ethanol development in Hawaiʻi : cross-disciplinary analyses based on geospatial, life-cycle and general equilibrium modeling|
|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.
|Appears in Collections:||Ph.D. - Natural Resources and Environmental Management|
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