Sewage Sludge Charcoal
Michael Antal,University of Hawaii, April 2008

Sewage Sludge Charcoal
I am pleased and somewhat surprised to report that raw sewage sludge is a good feedstock for charcoal production. Details are available on the HNEI website below.

www.hnei.hawaii.edu
Flash Carbonization

Regards, Michael.

Michael J. Antal, Jr.
Coral Industries Distinguished Professor of Renewable Energy Resources
Hawaii Natural Energy Institute
POST 109, 1680 East-West Rd.
Honolulu, HI 96822

phone: 808/956-7267
fax: 808/956-2336
www.hnei.hawaii.edu