Gasification

Biochar generated as a by-product of combined heat and power gasification is classified as waste, for which the UK does not currently have a safety protocol for use in the open environment. The UEA is working with the Environment Agency to determine environmental tolerance limits, in order to assess potential environmental risks (ex: PAH contamination). My preliminary study aimed to measure any negative plant growth effects by amended soil with high concentrations of biochar under controlled laboratory conditions.

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George Wightman Wallace Activated Carbon Reactor 1926
Jeff Davis, January 24, 2010

This patent changed the way I look at pyrolysis:

http://www.google.com/patents/about?id=FX15AAAAEBAJ&dq=1,639,356

Every word counts and it deserves special attention. It reminds me of the TLUD design.

Some good background information:
http://www.google.com/patents/about?id=XdRVAAAAEBAJ&dq=1565129
http://www.google.com/patents/about?id=iPxAAAAAEBAJ&dq=1536696

I don't know about you guys but Monday I'm hitting Lowes for some flue pipe supplies before going to work.

Jeff

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Gasifier Charcoal as a Substitute for Vermiculite in Container Growing Media
Tom Miles, August 22, 2009
P Pine Seedlings in 25% BiocharP Pine Seedlings in 25% Biochar
Our second trial of biochar as a substitute for vermiculite in container media for growing tree seedling has proved successful. These tests are by a private nursery to determine if charcoal from a gasifier heating system can be used in container growing media.

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Nutrient Recovery from Integrated Cellulosic Biorefineries (link)
Robert Brown, Iowa State University, Bioeconomy Institute 2008

"That Iowa has some of the richest soil in the world is no secret, and a group of researchers at Iowa State University would like to ensure that IowaBuy Sneakers | Nike News

PotatoPotato
This is Puffergas' first test of growing potatoes in switchgrass compost. The potatoes were grown in containers and charcoal was added to the compost.
See link below:
Potato 2007 by Puffergas
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Conversion of Municipal Solid Waste (MSW) into Charcoal & Producer Gas
Jalaj Kr. Chaturvedi, Shivam Enterprises, Kolkata, April 3, 2007
[img_assist|nid=192|title=Charcoal Pellets from MSW|desc=|link=node|align=center|width=400|height=301]

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Phillip Small Blog: Making Charcoal with an Inverted Downdraft Gasifier
Phillip Small,February 10, 2007

Phillip Small described how he uses an inverted downdraft gasifier inspired by Tom Reed and Ray Garlington to make charcoal for soil fertility experiments.

Inverted downdraft gasifier photos on Flickr

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