skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Methods for sulfate removal in liquid-phase catalytic hydrothermal gasification of biomass

Abstract

Processing of wet biomass feedstock by liquid-phase catalytic hydrothermal gasification must address catalyst fouling and poisoning. One solution can involve heating the wet biomass with a heating unit to a pre-treatment temperature sufficient for organic constituents in the feedstock to decompose, for precipitates of inorganic wastes to form, for preheating the wet feedstock in preparation for subsequent removal of soluble sulfate contaminants, or combinations thereof. Processing further includes reacting the soluble sulfate contaminants with cations present in the feedstock material to yield a sulfate-containing precipitate and separating the inorganic precipitates and/or the sulfate-containing precipitates out of the wet feedstock. Having removed much of the inorganic wastes and the sulfate contaminants that can cause poisoning and fouling, the wet biomass feedstock can be exposed to the heterogeneous catalyst for gasification.

Inventors:
;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1163205
Patent Number(s):
8,877,098
Application Number:
14/069,333
Assignee:
Battelle Memorial Institute (Richland, WA)
DOE Contract Number:  
AC0576RL01830
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Oct 31
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Elliott, Douglas C, and Oyler, James R. Methods for sulfate removal in liquid-phase catalytic hydrothermal gasification of biomass. United States: N. p., 2014. Web.
Elliott, Douglas C, & Oyler, James R. Methods for sulfate removal in liquid-phase catalytic hydrothermal gasification of biomass. United States.
Elliott, Douglas C, and Oyler, James R. Tue . "Methods for sulfate removal in liquid-phase catalytic hydrothermal gasification of biomass". United States. https://www.osti.gov/servlets/purl/1163205.
@article{osti_1163205,
title = {Methods for sulfate removal in liquid-phase catalytic hydrothermal gasification of biomass},
author = {Elliott, Douglas C and Oyler, James R},
abstractNote = {Processing of wet biomass feedstock by liquid-phase catalytic hydrothermal gasification must address catalyst fouling and poisoning. One solution can involve heating the wet biomass with a heating unit to a pre-treatment temperature sufficient for organic constituents in the feedstock to decompose, for precipitates of inorganic wastes to form, for preheating the wet feedstock in preparation for subsequent removal of soluble sulfate contaminants, or combinations thereof. Processing further includes reacting the soluble sulfate contaminants with cations present in the feedstock material to yield a sulfate-containing precipitate and separating the inorganic precipitates and/or the sulfate-containing precipitates out of the wet feedstock. Having removed much of the inorganic wastes and the sulfate contaminants that can cause poisoning and fouling, the wet biomass feedstock can be exposed to the heterogeneous catalyst for gasification.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {11}
}

Patent:

Save / Share:

Works referenced in this record:

Catalytic hydrothermal gasification of biomass
journal, January 2008

  • Elliott, Douglas C.
  • Biofuels, Bioproducts and Biorefining, Vol. 2, Issue 3
  • DOI: 10.1002/bbb.74

Chemical Processing in High-Pressure Aqueous Environments. 4. Continuous-Flow Reactor Process Development Experiments for Organics Destruction
journal, March 1994

  • Elliott, Douglas C.; Phelps, M. R.; Sealock, L. John
  • Industrial & Engineering Chemistry Research, Vol. 33, Issue 3
  • DOI: 10.1021/ie00027a013

Chemical Processing in High-Pressure Aqueous Environments. 7. Process Development for Catalytic Gasification of Wet Biomass Feedstocks
journal, April 2004

  • Elliott, Douglas C.; Neuenschwander, Gary G.; Hart, Todd R.
  • Industrial & Engineering Chemistry Research, Vol. 43, Issue 9, p. 1999-2004
  • DOI: 10.1021/ie034303o

Biomass Gasification in Supercritical Water:  Influence of the Dry Matter Content and the Formation of Phenols
journal, August 2003

  • Kruse, A.; Henningsen, T.; Sınaǧ, A.
  • Industrial & Engineering Chemistry Research, Vol. 42, Issue 16
  • DOI: 10.1021/ie0209430

Biomass gasification in near- and super-critical water: Status and prospects
journal, October 2005


Subcritical Water Regeneration of Supported Ruthenium Catalyst Poisoned by Sulfur
journal, March 2008

  • Osada, Mitsumasa; Hiyoshi, Norihito; Sato, Osamu
  • Energy & Fuels, Vol. 22, Issue 2
  • DOI: 10.1021/ef7005194