Method of treatment of wood ash residue

Details Method of treatment of wood ash residue Method of treatment of wood ash residue

2006-08-02

2010-02-09

Hendrickson, Stuart (Department: 1793)

Chemistry: fertilizers

Processes and products

Organic material-containing

C423S430000

Reexamination Certificate

active

07658780

ABSTRACT:
A method of treatment of wood ash residue. A first step involves wetting the wood ash residue. A second step involves reacting the wetted wood ash residue with carbon dioxide gas. Mineral oxides and hydroxides are converted to carbonates, thereby reducing the caustic nature of the wood ash residue. A third step involves continuing to react the wetted wood ash residue until the resulting ash residue is substantially carbonated.

REFERENCES:
patent: 4069063 (1978-01-01), Ball
patent: 4325919 (1982-04-01), Queneau et al.
patent: 4635724 (1987-01-01), Bruckdorfer
patent: 4668541 (1987-05-01), Fagerlund
patent: 4975121 (1990-12-01), Sakuta
patent: 5009713 (1991-04-01), Sakuta
patent: 5174820 (1992-12-01), Sakuta
patent: 5183694 (1993-02-01), Webb
patent: 5624493 (1997-04-01), Wagh
patent: 6413291 (2002-07-01), Wommack
patent: 6989142 (2006-01-01), Liu et al.
patent: 0 181 261 (1986-05-01), None
patent: 0 242 646 (1987-10-01), None
patent: 1 569 511 (1980-06-01), None
patent: 11 131804 (1999-05-01), None
patent: 85 00587 (1985-02-01), None
Roy Roberson, “Electrical conductivity of soil a key to precision farming”. Farm Press Editorial Staff. Apr. 28, 2006. <http://southeastfarmpress.com
ews/042806-Khalilian-conductivity/> Accessed Mar. 10, 2009.
Anthony, E.J., et al., “Pacification of High Calcic Residues Using Carbon Dioxide,” Waste Management 20(1):1-13, 2000.
Bearat, H., et al., “Magnesium Hydroxide Dehydroxylation/Carbonation Reaction Process: Implications for Carbon Dioxide Mineral Sequestration,” Journal of the American Ceramic Society 85(4):742-748, 2002.
Eriksson, H.M., “Short-Term Effects of Granulated Wood Ash on Forest Soil Chemistry in SW and NE Sweden,” Scandinavian Journal of Forest Research, Suppl. 2:43-55, 1998.
Freyssinet, P., et al., “Chemical Changes and Leachate Mass Balance of Municipal Solid Waste Bottom Ash Submitted to Weathering,” Waste Management 22(2):159-172, 2002.
Holmberg, S.L., et al., “Drying of Granulated Wood Ash by Flue Gas From Saw Dust and Natural Gas Combustion,” Resources, Conservation and Recycling, 38:301-316, 2003.
Holmberg, S.L., and T. Claesson, “Mineralogy of Granulated Wood Ash From a Heating Plant in Kalmar, Sweden,” Environmental Geology 40:820-828, 2001.
Holmberg, S.L., and T. Claesson, “Wood Ash—A Natural Nutrient Source for Compensation of Nutrient Deficiency in Forest Soils Caused by Acidification,” Proceedings of the 17th World Congress of Soil Science, Bangkok, Thailand, Aug. 14-21, 2002, pp. 376-1-376-8.
Lomander, A., et al., “Recirculating Wood Ash—Theory, Practise and Recommendations,” Regional Forestry Board of Vastra Gotaland in Sweden, draft of international teaching package, available 2005.

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