Bioenergy

Modeling and Scale up of CO2-Water Pretreatment of Guayule Biomass

Oct 17, 2011
Ehsan Moharreri
A carbon dioxide – water pretreatment process was developed for guayule biomass. The guayule biomass was mixed with water and then loaded to a reactor where it was exposed to a biphasic environment consisting of CO2 rich vapor phase and water rich liquid phase. Then, the biomass was enzymatically...

A Novel Method to Harvest Microalgae Via Fungal Pelletization

Oct 17, 2011
Jianguo Zhang
Microalgae harvest contributes a large portion of cost for microalgae-to-biofuels production. Most current harvest technologies including chemical and mechanical methods are only economically feasible for production of high-value products due to the costs. In this work, we are describing a new...

Pyrolysis Vapors Upgrading Using Metal Oxides

Oct 17, 2011
Ayman Karim
Pyrolysis Vapors Upgrading using Metal Oxides Ayman M. Karim 1 , Donghai Mei 1 , Vanessa Lebarbier 1 , Changjun Liu 1,2 and Yong Wang 1,2 1 Pacific Northwest National Laboratory 2 Washington State University The vapors generated during fast pyrolysis of biomass contain a significant fraction of...

Flow and Transport Properties In High-Solids Biomass Slurries

Oct 17, 2011
James J. Lischeske
Economic biochemical conversion of cellulose to sugars necessitates minimal addition of water to biomass slurries during conversion, resulting in high-solids systems. The resulting slurries are effectively wet-granular materials. These materials presents difficulties for reactor engineering, as...

Novel Reactor Design for Conversion of Waste Oils to Biodiesel

Oct 17, 2011
Richard A. Cairncross
Biodiesel is a renewable, carbon-neutral fuel that can ease pressure on the world’s dwindling supply of oil and petroleum diesel. This research explores production of biodiesel from alternative low-value feedstocks such as waste oils. Traditional biodiesel reactions mix an alcohol and a refined...

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