BioChar for soil enhancement & fuel + oil for bio-diesel

BioChar for soil enhancement & fuel + oil for bio-diesel

Postby jpf1030 » Thu Aug 19, 2010 3:55 pm

Howdy All,
Some interesting info in one of my prep newsletters today covering a multitude of items we have been working on in BSOSC. Some will remember when Priya was here from India teaching us how they make biochar in the process of cooking with the Sampada stove. This biochar can then be used for cooking with the Sarai stove, ground for adding to soil or molding into "briquettes". It is interesting to note that we could first oil press bio materials like Chinese Tallow and other oil seeds for the oil for bio-diesel production and then making part of the residue into biochar and part into livestock feed. This thought process enables us to think about how all this ties together in various types of energy and food production. Hmmm, is that food for thought?...jpf
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Biochar from Plant Waste to Soil Fertility and Reduce Emission

A study conducted by the Pacific Northwest National Laboratory in Washington has found that plant waste can also be converted into biochar besides biodiesel or ethanol. In addition to enrich the soil, biochar can also reduce carbon emissions up to 12 percent.

Biochar is a kind of charcoal that can be buried in field and is able to lock the carbon for thousands of years if necessary. According to the research which based on computer model showed that turning the world’s available plant waste into biofuels would reduce carbon emissions by 10 percent. But if we can converting plant waste into biochar, it could bring down emissions by up to 12 percent.

Biochar produced by a pyrolysis process, is heating plant waste in an oxygen-free environment.
The pyrolysis process will produce the bi-products that are syngas and oil that can be burnt as fuel. The biochar able to work to enrich the soil by increasing the pH of acidic soil, and helps it to retain nutrients such as ammonium, calcium, magnesium, potassium and phosphorus.

Researchers also stated that some biochars can also increase soil water retention in dry areas because they are quite porous and can trap moisture. Biochar can boost both biomass and grain yield.
Posted by xenang's at 6:54 PM
Labels: Biochar, Plant Waste, Soil Fertility
1 comments:

Eric said...

For a more measured and critical view of biochar see:

http://www.biofuelwatch.org.uk/docs/biocharbriefing.pdf
August 11, 2010 9:02 PM
jpf1030
 
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