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2005 OBP Bi-Annual Peer Review. Summary of Feed Processing & Handling Effort John Jechura, NREL Thermochemical Platform November 14, 2005. Overview.

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2005 obp bi annual peer review

2005 OBP Bi-Annual Peer Review

Summary of Feed Processing & Handling Effort

John Jechura, NREL

Thermochemical Platform

November 14, 2005


Work Objective:Evaluate feedstock variability and resulting unit operation requirements required to concentrate, consolidate, & convey feedstock into the front-end of the Thermochemical process


Relevant Pathways: Agricultural Residues, Energy Crops, Forest Products, Pulp and Paper, Corn Mill Improvements



Budget (K)

thermochemical platform
Thermochemical Platform


Thermochemical Platform R&D

3.1 Feed Processing

and Handling

3.2 TC Processing

3.3 Cleanup and


3.5 TC Platform


3.3.1. Cleanup and

Conditioning Core R&D

Feed Improvement


Biomass Gasification

3.5.1. TC Platform



Pyrolysis and BioOils

3.3.2. Cleanup and

Conditioning Partnerships

3.5.2. BLG for Fuels/

Chemical in at Kraft Mills


Black Liquor Gasification


Innovative Gasification

technical barrier areas
Technical Barrier Areas
  • Addressing technical barriers:
  • Feed handling – this work will look at both the technical and costs barriers
technical barriers addressed
Technical Barriers Addressed
  • Obtain feedstocks for the Thermochemical PDU gasification runs
    • Corn stover
    • Lignin-rich residues
  • Determine hardware requirements to use lignin-rich fermentation residues from NREL’s Biochemical PDU
  • Analyze feedstock property variations for corn stover and biorefinery residues – composition & physical properties
stage placement portfolio alignment review
Stage Placement & Portfolio Alignment Review

DOE Office of the Biomass Program

FY05 Thermochemical Portfolio Alignment Review

June 7-8, 2005

“Stage placement” of all new and existing projects (16) in the Thermochemical Platform.

Evaluations based on: Program Relevance, Approach, Progress, Success Factors, and Future Plans

  • 7 core R&D projects (NREL, PNNL) primarily focused on developing biomass gasification and gas clean-up technology that can applied many different biomass feedstocks.
  • 9 subcontracted industrial/cost-shared R&D projects selected by competitive solicitations or directed by Congress to develop/commercialize gas cleanup technology, black liquor gasification, and other thermochemical processes.


  • Professor Robert Brown, Iowa State University
  • Professor Esteban Chornet, Université de Sherbrooke
  • Viorel Duma, Abengoa Bioenergy R&D, Inc.
  • John Scahill, DOE Golden Field Office
  • David Turpin, MeadWestvaco Research
stage placement portfolio alignment review9
Stage Placement & Portfolio Alignment Review

General Comments on Thermochemical Program

  • Thermochemical Program has clear goals which support the overall program
  • Technical barriers are clearly identified
  • R&D is good fit with the program and there is good balance
  • Funding may be inadequate to meet program goals

Specific Reviewer Comments on Feed Processing & Handling :

  • Pelletization issues: cost; necessary to regularly feed gasifiers?
  • Lignin-rich residue’s moisture may be an index to monitor
  • Be cognizant of property differences between wet & dry lignin-rich biomass residues
  • DOE responses:

One year project to generate data on characteristics of feedstocks & their TC conversion. TEA-type data to be used for Integrated Biorefinery analysis.

Will change SOW to examine & tabulate physical properties & link to operational difficulties

summary and future work
Summary and Future Work
  • Complete reports
    • “Preliminary design for system for feeding Biorefinery residues into a Thermochemical process ”
    • “Preliminary specification of a system for pumping wet Biorefinery residues into a Hydrothermal process”
  • No new funding as an individual task in FY06
    • Work incorporated within other tasks