Densified Biomass

Manually-operated biomass pelletizer - clay as a binder?
Charlie Sellers, May 10, 2008
Honeycomb Coal

Technology Packages: Screw-press briquetting machines and briquette-fired stoves
S.C. Bhattacharya, Coordinator RETs in Asia, 1997-2004, April 5, 2008

RET Asia Briquetting

Vesto +_ Switchgrass Pellets
Crispin Pemberton-Pigott, New Dawn Engineering, Roger Samson, REAP Canada, January 5,2008

Densified Canadian switchgrass pellets were burned in a VESTO (New Dawn Engineering) stove in the gasification mode.

Dear Grass Burners

Roger Samson was here today with Stephanie and he brought along a Mayon Turbo stove with rice husks and a big bag of switchgrass pellets.

We tried this 'fuel of the future' in the Vesto which first required putting a small sheet of newspaper at the bottom to keep the little pellets in, and second perforating the sheet to let in a least a small amount of primary air.

It was packed pretty tightly. The pellets are about 15 MJ per litre.

We lit it on top with a small wood fire and it got going nicely. It burned very much like a Vesto with the 'gasifier mode' engaged meaning that it ran with very little primary air getting through and a floating bed of flame perhaps 7 cm above the fuel. Very pretty.

The CO/CO2 ratio was stable at 2% and had no odour or visible smoke. I will get some picture posted and a movie with a description by Roger.

The flamefront was shallow, as Alex describes with wood pellets. Nothing really to add - it burned completely and gave off lots of heat.

Regards
Crispin

Biomass Briquette Stoves: Nishant Bioenergy (P) Limited
Ramesh Kumar Nibhoria, July 2007

Small-Scale Carbon Briquetting in China
Tim Anderson, June 2005 courtesy fo Jim Mason, January 24, 2007

T-LUD Pellet Stove at BSNB4
Kevin Chisholm, July 8, 2006

I have had the opportunity to attend a local event, the BSNB4 on 2 June 2006, where some impressive technology, at early stages of development, was presented. One of the presentations, a T-LUD pellet stove, burning a 25 pound bag of wood pellets in 15 minutes, had a few rough edges, but it certainly brings the T-LUD to a new height. A suitable exhaust hood would, of course, be required for safe indoor use. See picture.

The Briquette Press
Continental Drift Blog March 17 2006

Briquette Press

Prairie Grass Pellet Energy
Joe King, Richard Nelson, Kansas State University 2000

An older site with missing links but good overall reference to pelletizing grasses.

Shimada Firelogs, John Olsen, Heatlog Inc. , Vancouver, BC, Canada February 2005

Surentechnology, Briquetters and Pellet Machines, Armenia and Italy, December 2005