Batch Microreactor Studies of Lignin Depolymerization by Bases. 1. Alcohol Solvents

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Biomass feedstocks contain roughly 10-30% lignin, a substance that can not be converted to fermentable sugars. Hence, most schemes for producing biofuels (ethanol) assume that the lignin coproduct will be utilized as boiler fuel to provide heat and power to the process. However, the chemical structure of lignin suggests that it will make an excellent high value fuel additive, if it can be broken down into smaller molecular units. From fiscal year 1997 through fiscal year 2001, Sandia National Laboratories was a participant in a cooperative effort with the National Renewable Energy Laboratory and the University of Utah to develop ... continued below

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19 pages

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MILLER, JAMES E.; EVANS, LINDSEY; LITTLEWOLF, ALICIA & TRUDELL, DANIEL E. May 1, 2002.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA
    Place of Publication: Albuquerque, New Mexico

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Description

Biomass feedstocks contain roughly 10-30% lignin, a substance that can not be converted to fermentable sugars. Hence, most schemes for producing biofuels (ethanol) assume that the lignin coproduct will be utilized as boiler fuel to provide heat and power to the process. However, the chemical structure of lignin suggests that it will make an excellent high value fuel additive, if it can be broken down into smaller molecular units. From fiscal year 1997 through fiscal year 2001, Sandia National Laboratories was a participant in a cooperative effort with the National Renewable Energy Laboratory and the University of Utah to develop and scale a base catalyzed depolymerization (BCD) process for lignin conversion. SNL's primary role in the effort was to utilize rapidly heated batch microreactors to perform kinetic studies, examine the reaction chemistry, and to develop alternate catalyst systems for the BCD process. This report summarizes the work performed at Sandia during FY97 and FY98 with alcohol based systems. More recent work with aqueous based systems will be summarized in a second report.

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19 pages

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  • Other Information: PBD: 1 May 2002

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  • Report No.: SAND2002-1317
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/800959 | External Link
  • Office of Scientific & Technical Information Report Number: 800959
  • Archival Resource Key: ark:/67531/metadc738404

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  • May 1, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • April 11, 2016, 1:46 p.m.

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MILLER, JAMES E.; EVANS, LINDSEY; LITTLEWOLF, ALICIA & TRUDELL, DANIEL E. Batch Microreactor Studies of Lignin Depolymerization by Bases. 1. Alcohol Solvents, report, May 1, 2002; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc738404/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.