Charcoal takes some heat off global w...

Charcoal takes some heat off global warming

There are 1 comment on the PhysOrg Weblog story from Aug 10, 2010, titled Charcoal takes some heat off global warming. In it, PhysOrg Weblog reports that:

Carbon emissions can be sustainably offset by producing biochar from waste and residue biomass, as demonstrated in this schematic of the pyrolysis process to create biochar.

Join the discussion below, or Read more at PhysOrg Weblog.

LessHypeMoreFact

Toronto, Canada

#1 Aug 10, 2010
Good news. "Biochar is more stable and can hold onto its carbon for hundreds or even thousands of years, keeping greenhouse gases like carbon dioxide out of the air longer."

So easy sequestration of large amounts of carbon. A solid plus.

"Other biochar benefits include: improving soils by increasing their ability to retain water and nutrients; decreasing nitrous oxide and methane emissions from the soil into which it is tilled"

This is even MORE important though. Note that it can take a couple of years before the biochar becomes fully effective, but retaining expensive nutrients from fertilizer appliations and reducing runoff that pollutes streams and rivers is a MAJOR MAJOR improvement. Estimates of the declining stocks of Phosphorus for fertilizer estimate the without biochar, the 'runoff' carries about about 80% of the nutrient to where it is a pollutant instead of a plant food.

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