- Biofuel production and bioconversion
- Thermochemical Biomass Conversion Processes
- Catalysis for Biomass Conversion
- Recycling and Waste Management Techniques
- Global Energy and Sustainability Research
- Environmental Impact and Sustainability
- Biodiesel Production and Applications
- Energy and Environment Impacts
- Lignin and Wood Chemistry
- Anaerobic Digestion and Biogas Production
- Municipal Solid Waste Management
- Catalysis and Hydrodesulfurization Studies
- Microbial Metabolic Engineering and Bioproduction
- Hybrid Renewable Energy Systems
- Integrated Energy Systems Optimization
- Forest Biomass Utilization and Management
- Microplastics and Plastic Pollution
- Catalysts for Methane Reforming
- Water-Energy-Food Nexus Studies
- biodegradable polymer synthesis and properties
- Bioenergy crop production and management
- Bioeconomy and Sustainability Development
- Chemistry and Chemical Engineering
- Granular flow and fluidized beds
- Green IT and Sustainability
Iowa State University
2015-2024
Bissell (United States)
2024
Ames National Laboratory
2014-2024
Massachusetts Institute of Technology
2012-2015
Environmental Technologies (United States)
2007-2014
eThekwini Municipality
2010
This paper reviewed the entire life cycle of plastics and options for management plastic waste to address barriers industrial chemical recycling further provide perceptions on possible opportunities with such materials.
Abstract We estimate the profitability of producing biochar from crop residue (corn stover) for two scenarios. The first employs slow pyrolysis to generate and gas has advantage high yields char (as much as 40 wt‐%) but disadvantage a relatively low‐value energy product (pyrolysis modest heating value). second scenario fast maximize production bio‐oil with lower‐yielding coproducts. produces substantially higher value than at cost capital investment. calculate internal rate return (IRR) each...
Abstract Anaerobic digestion (AD) is a natural biochemical process that converts organic materials into combustible biogas. AD has been long practiced for agricultural and urban waste management; however, this getting more attention as an alternative energy source nowadays. Additionally, various biogas-derived value-added chemicals transportation fuels are turning profitable biorefinery business model. Despite its numerous potentials, technologies still face challenges in conversion...
Abstract This paper explores the factors that influence optimal size of biorefineries and resulting unit cost biofuels produced by them. Technologies examined include dry grind corn to ethanol, lignocellulosic ethanol via enzymatic hydrolysis, gasification upgrading hydrogen, methanol, Fischer Tropsch liquids, biomass mixed alcohols, fast pyrolysis bio‐oil. On basis gallons gasoline equivalent (gge) capacity, optimally sized gasification‐to‐biofuels plants were found be 50–100% larger than...
Abstract This study compares centralized processing to distributed of biomass for subsequent production Fischer‐Tropsch liquids (FTLs) at a catalytic synthesis facility. Distributed in this is based on fast pyrolysis bio‐oils, which are more economically transported F‐T plant where bio‐oil gasi?ed and the syngas catalytically converted FTLs. The indicates that gasi? cation can produce FTLs from $1.56 per gallon gasoline equivalent (gge) an optimally sized 550 million gge year. Three systems...
Abstract A variety of biochemical and thermochemical technologies have been proposed for the production biofuels. Meaningful economic comparisons require that they be evaluated on same bases in terms technology maturity, plant capacity, energy content fuel, feedstock costs, method calculating capital charges, year which analysis is assumed. Such an first‐generation biomass‐to‐biofuels plants reveals costs will comparable advanced biorefineries, costing four to five times as much comparably...
Although pyrolysis of carbohydrate-rich biomass should theoretically yield large amounts sugar, the presence alkali and alkaline earth metals (AAEMs) in most prevents this from happening.
A unique electrocatalytic oxidative dehydrogenation of aldehydes and its facile kinetics on a Cu-based porous electrode enables an ultra-low voltage bipolar H 2 production system with industrial-relevant current densities.
A surprisingly simple approach to increasing the mechanical properties of lignin-based carbon fiber by leveraging a newly discovered thermo-mechanochemistry lignin.
Levoglucosan has significant potential in commercial applications for the synthesis of polymers, solvents and pharmaceuticals.
Abstract High‐value chemicals from lignin could increase the profitability of lignocellulosic biorefineries. Besides paper and pulp industry, ethanol plants produce as a waste; thus, objective this work is to evaluate techno‐economics integrating hydrothermal liquefaction biochemicals within This evaluates 2000 metric tonne per day (MTPD) corn‐stover biorefinery producing 61 MMgal/yr. different yields lignin‐derived biochemicals. A minimum selling price (MESP) $1.03 ± 0.19 gallon was...
This study evaluates the techno-economic feasibility of three product portfolios from a biomass fast pyrolysis biorefinery: biofuel, biochemicals, and hydrocarbon chemicals. The biorefinery design is based on five-stage fractionation system developed by Iowa State University. It can produce drop-in transportation fuels (biofuel scenario); infrastructure materials such as bioasphalt bio-cement, dextrose (biochemicals aromatics olefins (hydrocarbon chemicals scenario). Bio-oil fractionated...