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Archive | 2013

Long Term Processing Using Integrated Hydropyrolysis plus Hydroconversion (IH2) for the Production of Gasoline and Diesel from Biomass

Terry Marker; Michael J. Roberts; Martin B. Linck; Larry G. Felix; Pedro Ortiz-Toral; Jim Wangerow; Celeste McLeod; Alan Anthony Del Paggio; John Gephart; Jack Starr; John Hahn

Cellulosic and woody biomass can be directly converted to hydrocarbon gasoline and diesel blending components through the use of a new, economical, technology named integrated hydropyrolysis plus hydroconversion (IH2). The IH2 gasoline and diesel blending components are fully compatible with petroleum based gasoline and diesel, contain less than 1% oxygen and have less than 1 total acid number (TAN). The IH2 gasoline is high quality and very close to a drop in fuel. The life cycle analysis (LCA) shows that the use of the IH2 process to convert wood to gasoline and diesel results in a greater than 90% reduction in greenhouse gas emission compared to that found with fossil derived fuels. The technoeconomic analysis showed the conversion of wood using the IH2 process can produce gasoline and diesel at less than


ASME 2009 Internal Combustion Engine Division Spring Technical Conference | 2009

Modeling the Effects of Steam-Fuel Reforming Products on Homogeneous Charge Compression Ignition of n-Heptane

Francisco Posada; Nigel N. Clark; Aleksandr Kozlov; Martin B. Linck; Dmitri Boulanov; John Pratapas

2.00/gallon. In this project, the previously reported semi-continuous small scale IH2 test results were confirmed in a continuous 50 kg/day pilot plant. The continuous IH2 pilot plant used in this project was operated round the clock for over 750 hours and showed good pilot plant operability while consistently producing 26-28 wt % yields of high quality gasoline and diesel product. The IH2 catalyst showed good stability, although more work on catalyst stability is recommended. Additional work is needed to commercialize the IH2 technology including running large particle size biomass, modeling the hydropyrolysis step, studying the effects of process variables and building and operating a 1-50 ton/day demonstration scale plant. The IH2 is a true game changing technology by utilizing U.S. domestic renewable biomass resources to create transportation fuels, sufficient in quantity and quality to substantially reduce our reliance on foreign crude oil. Thus, the IH2 technology offers a path to genuine energy independence for the U. S., along with the creation of a significant number of new U.S. jobs to plant, grow, harvest, and process biomass crops into fungible fuels.


Environmental Progress | 2012

Integrated hydropyrolysis and hydroconversion (IH2) for the direct production of gasoline and diesel fuels or blending components from biomass, part 1: Proof of principle testing

Terry L. Marker; Larry G. Felix; Martin B. Linck; Michael J. Roberts

Homogeneous Charge Compression Ignition (HCCI) offers benefits of high efficiency with low emissions, but suffers load range limitations and control issues. A method to improve control of HCCI was numerically investigated based on two separate fuel streams with different autoignition characteristics to regulate timing and heat release at specific operational conditions. In this numerical study n-heptane was selected as the primary fuel, and the secondary fuel was defined as a reformed product of n-heptane (RG). The reformed fuel species composition was experimentally determined based on steam/n-heptane reforming process at a steam/carbon mole ratio of 2:1. In addition to H2 and CO, the reformed fuel stream was composed of CH4 , CO2 , H2 O and non-reformed n-heptane. A single zone model using a detailed chemical kinetic mechanism was implemented on CHEMKIN to study the effects of base fuel and steam-fuel reforming products on the ignition timing and heat release characteristics. The study was performed considering the reformed fuel species composition at total n-heptane conversion (stoichiometric) and also at the composition corresponding to a specific set of operational reforming temperatures. The computational model confirmed that the reformed products have a strong influence on the low temperature heat release (LTHR) region, affecting the onset of the high temperature heat release (HTHR). The ignition timing was proportionally delayed with respect to the baseline fuel case when higher concentrations of reformed gas were used.Copyright


Archive | 2010

Hydropyrolysis of biomass for producing high quality liquid fuels

Terry L. Marker; Larry G. Felix; Martin B. Linck


Archive | 2010

Method for producing methane from biomass

Terry L. Marker; Larry G. Felix; Martin B. Linck; Howard S. Meyer; Dennis Leppin


Wiley Interdisciplinary Reviews: Energy and Environment | 2014

Integrated biomass hydropyrolysis and hydrotreating: a brief review

Martin B. Linck; Larry G. Felix; Terry L. Marker; Michael J. Roberts


Archive | 2014

Bubbling bed catalytic hydropyrolysis process utilizing larger catalyst particles and smaller biomass particles featuring an anti-slugging reactor

Terry L. Marker; Larry G. Felix; Martin B. Linck; Michael J. Roberts


Archive | 2012

Direct production of fractionated and upgraded hydrocarbon fuels from biomass

Larry G. Felix; Martin B. Linck; Terry L. Marker; Michael J. Roberts


Archive | 2013

Biomass to Gasoline and Diesel Using Integrated Hydropyrolysis and Hydroconversion

Terry Marker; Michael J. Roberts; Martin B. Linck; Larry G. Felix; Pedro Ortiz-Toral; Jim Wangerow; Larry Kraus; Celeste McLeod; Alan DelPaggio; Eric Tan; John Gephart; Dmitri Gromov; Ian Purtle; Jack Starr; John Hahn; Paul Dorrington; James Stevens; David R. Shonnard; Edwin Maleche


Archive | 2010

Hydropyrolysis of biomass for producing high quality fuels

Terry L. Marker; Larry G. Felix; Martin B. Linck

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Larry G. Felix

Gas Technology Institute

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Terry Marker

National Renewable Energy Laboratory

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Jim Wangerow

Gas Technology Institute

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David R. Shonnard

Michigan Technological University

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