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H' Collins and R' Cochran USDAARSProsser, WA,
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... S. Galinato (WSU, Ag Econ, Pullman, WA) Use of Biochar from the Pyrolysis of. Waste Organic Material as a Soil Amendment. Washington State Department of Ecology: ... – PowerPoint PPT presentation
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Title: H' Collins and R' Cochran USDAARSProsser, WA,
1
Use of Biochar from the Pyrolysis of Waste
Organic Material as a Soil Amendment
- H. Collins and R. Cochran (USDA-ARS-Prosser, WA),
- J. Smith (USDA-ARS-Pullman, WA),
- M. Garcia-Perez (WSU-BSE-Pullman WA),
- C.Kruger and D. Granatstein (WSU-CSNR-Wenatchee,
WA) - J.Yoder and S. Galinato (WSU, Ag Econ, Pullman,
WA)
Washington State Department of Ecology www.ecy.wa
.gov/beyondwaste
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Objectives
- Production of biochar
- - Construction of a batch pyrolysis reactor
- - Determine yield of biochar from various
feedstocks
- Evaluate impact of biochar amendments on
- soil properties. Poster 5
- Evaluate biochar economics
- - Economic tradeoffs between biochar and
bio-oil - production.
- - Estimate costs and returns for producing
biochar - and bio-oil in WA State - Economic
value of biochar in crop production and - C-sequestration
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Key Findings
Washington State Department of Ecology www.ecy.wa
.gov/beyondwaste
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Key Findings Soil Amendment
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Herbicide Retention of Biochar
Boydston, Burke and Shaner, 2009
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Key Findings Economics
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Key Findings Carbon Offsets
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Questions?
hal.collins_at_ars.usda.gov
Washington State Department of Ecology www.ecy.wa
.gov/beyondwaste
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Acid hydrolyzed C stable C
Total C
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Figure 4.1. Relationship between pyrolysis
temperature and the C concentration of the
resulting biochar.
Figure 4.2. Influence of pyrolysis temperature on
the pH of a variety of biochars.
Yield of char was 30-45
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Acid hydrolyzed C stable C
Total C
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