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what is BIOCHAR?

Biochar is a new word for an old idea: producing charcoal and adding it to the soil to make it more productive. I have a separate pinboard "Wood Gasification" which is related; volatile compounds in biomass may be gasified for energy, but you only get biochar if combustion air is closed off. All these images lead to well produced web pages and articles worth reading. Click through!
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A great project in progress now that you can help make happen! Building a Sustainable Paradise by Bob Cirino - GoFundMe

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when the temperature gets above 350 degrees, the high-molecular-weight hydrocarbons, the resins and asphaltenes, undergo a series of cracking and condensation reactions to form solid char, similar to the petroleum coke produced in refineries.

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Rice University pyrolysed oil-contaminated soil to reduce total petroleum hydrocarbons below US federal standards, while leaving beneficial carbons. While this technology may not be used to grow food, they demonstrated success growing lettuce, which is recognized to be sensitive to hydrocarbon contamination.

Breathing new life into oil-contaminated soil | News

Paper mill byproducts made into biochar serve in 'totes' as filtration media for heavy metals in roof and storm water runoff. Efficiency is greater than expected: 99% of zinc and 95% of copper removed.

Paper mill 'biochar' may help filter Port water

Bob Cirino is "Biochar Bob". In a visit to the Via Organica Ranch near San Miguel, Mexico, he interviews Rachel Kastner and local farmers who are learning and applying ideas of regenerative agriculture, growing lots of healthy food in small spaces, and incorporating biochar in innovative ways like under turkey bedding where it controls ammonia and produces a rich composted product.

Biochar Bob Goes to Mexico - Via Organica

By making biochar from brush and other hard to compost organic material, you can improve soil — it enhances nutrient availability and also enables soil to retain nutrients longer.

Making Biochar to Improve Soil

Dolph Cooke demonstrates biochar making for farm scale with the Moxham open barrel kiln. The "pyrolysis front" of flame consumes any unburned gases coming from the charring biomass at the bottom.

Biochar making for farm scale with the Moxham.

Craig Sams' company Green & Black's makes chocolate from cacao grown in organic agroforestry in Belize, and biochar made from farm-scale retorts enhances the soil sustainably.

Biochar is 'carbon gold' for Belize's cacao farmers

Solar-Powered Toilet Unveiled - the product of a grant from the Gates Foundation, this equipment produces safe natural fertilizer from human waste, using biochar and solar heat. This addresses critical sanitation problems in many parts of the world which lack conventional sewage systems, and recycles the valuable nutrients that sewers waste.

Solar-Powered Toilet Unveiled

With landfill space evaporating, this disposal firm in Edmonton, Alberta sees growth potential in biochar.

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Organic by-product derived biochar, a greener option

Organic by-product derived biochar, a greener option | Organic Farming |

Organic by-product derived biochar, a greener o...

VermaChar is a biochar product inoculated with a material called Ambrosia which is enriched worm castings. It is produced and sold in the Los Angeles area.

Startup Meets Los Angeles' Demand for Worm Castings

Forbesfrom Forbes

Cool Planet: A Company That Makes Biochar And Gasoline

From Forbes Magazine, mainstream business attention: "Cool Planet: A Company That Makes Biochar And Gasoline"

Cool Planet: A Company That Makes Biochar And Gasoline

Frank Strie says Tasmania needs to develop a carbon economy with biochar at the centre of the state's 'clean energy' mix. "Yes, it is a revolution but a friendly one. It's far more than just looking at biochar as a single entity. It's part of a much bigger process, and it fits into organic farming, with a clean, green and clever image and land restoration."

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From Carbon Gold: "Biochar has in turn been proven to improve the health and survival rates of living trees, keeping more of our CO2 absorbing trees alive and strong." This article describes demonstration projects with soil enhancements including biochar.

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Using biochar to create supercapacitors

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Brian Cartwright

Cool Planet’s biochar production process features an extra step that tailors the biochar to best fit a particular application. As a result, field trials have shown Cool Terra can increase crop yields while reducing water and fertilizer inputs by as much as 50 percent.

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New England Biochar's new video on YouTube shows off their new integrated production facility including efficient use of process heat. Surprise ending!

New England Biochar

The future of sustainable livestock production is here, say Cambridge researchers. Not a biochar article, but biochar could contribute to these techniques.

The future of sustainable livestock production is here, say Cambridge researchers

Biochar quiets microbes, including some plant pathogens. In this experiment, E.Coli cultures are tested for microbes' ability to signal each other in the presence of biochar with various characteristics. The goal is to provide a simple guide to tailor production temperatures for intended uses.

Biochar quiets microbes, including some plant pathogens

"Working on solutions to some of the world’s threatening environmental challenges and creating the world we want to live in is a thrilling opportunity. At Remineralize the Earth we are doing just that – working on research that has the potential to alleviate many of the environmental and agricultural problems humanity faces today, such as climate change, air pollution, unsustainable agriculture, and poor water quality."

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Kelpie Wilson writes about Baron Justus Liebig, who researched the applications of charcoal long before the age of industrial agriculture: "In the 19th century, the issues that biochar could help solve were related to health, disease, poverty, and above all, the recycling of human sewage to replenish the soil."

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Kiwi Biochar Experiment -- a blogger on his discoveries with biochar

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Arctic News: Turning forest waste into biochar

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another video by Bob Cirino, also known as Biochar Bob. on a visit to Haiti where there's been time for the soil improved with biochar to show its productivity. "be cool to the planet!" Carbon Roots International

Carbon Roots International: The Last 12 Months