Characterization of Pyrolysis Char for Use as an Agricultural Soil Amendment
Keith Harris1, Julia Gaskin1, Leticia Sonon2, and K.C. Das1
1Dept. of Biol. & Ag. Eng., 2AESL, College of Ag & Env. Sci University of Georgia, Athens, GA

The Southeastern Coastal Plain in the United States is a major agricultural production area; however, soils are typically low in cation exchange capacity (CEC), nutrient content, and organic carbon content. For example, Tifton


What Factors Influence Charcoal Quality?
Tom Miles, Biomass Cooking Stoves June 18, 2006


100C -> Wood drying 19 MJ/kg

220C -> Wood becomes brown
250-270C-> Torrefaction 28% fixed carbon, 72% volatile 23.9 MJ/kg
280C -> Wood becomes deep brown-black

300C -> 68% char 32% volatile 40% yield soft, brown, friable


Charcoal production for carbon sequestration (1.1 mb pdf)
Gustan Pari, Djeni Hendra, Dadang Setiawan, Mahpudin Saepuloh, Salim Soleh, Mad Ali (Forest Products Technology Research and Development Center) and Kiyoshi Miyakuni, Nobuo Ishibashi(Japan International Cooperation Agency) April 2004
Demonstration Study on Carbon Fixing Forest Management in Indonesia


Indonesia: Survey on the Effect of Charcoal to Tree Growth and Charcoal Production in West Kalimantan (1.3 mb pdf)
Carbon Fixing Forest Management project
Demonstration Study on Carbon Fixing Forest Management in Indonesia
Cooperation Project between Forestry Research and Development Agency (FORDA), Ministry of Forestry, Indonesia, Japan International Cooperation Agency (JICA)
Collaboration with Yayasan Dian Tama December 2005



Training Manual of Bamboo Charcoal for Producers and Consumers
JIANG Shenxue, Bamboo Engineering Research Center, Nanjing Forestry University, May 2004



Standard Test Method for Chemical Analysis of Wood Charcoal ASTM D1762-84

Attached is the ASTM D1762-84. This test method covers the determination of moisture, volatile matter, and ash in charcoal made from wood. The test method is applicable to lumps and briquets and is designed for the evaluation of charcoal quality. The test method employs apparatus that is found in most laboratories and is adapted to routine analyses of a large number of samples.

Chemical Analysis: Testing of Barbecue Coal and Barbecue Briquettes
Force Technology, Denmark

Force Technology lists and compares Danish standards with European test methods.

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Morphological characteristics of Quercus variabilis charcoal prepared at different temperatures
Nam-Hun Kim1 and Robert B. Hanna2
(1) Department of Wood Science and Engineering, College of Forest Sciences, Kangwon National University, 200-701 Chunchon, Korea
(2) Brown Center for Ultrastructure Studies, SUNY-ESF, Syracuse, NY 13210, USA



Dear friends: terra preta is fascinating in part because it involves so many disciplines. My viewpoint is that of a fuel scientist/chemical engineer.

My laboratory produces well-characterized charcoals for a wide variety of research endeavors, including carbon fuel cell studies, metallurgical charcoal applications, activated carbon production, and terra preta research (with my colleagues Dr. Goro Uehara, Dr. Jonathan Deenik, and Tai McClellan in the University of Hawaiibridge media | NIKE AIR HUARACHE


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