Biochar: Difference between revisions
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Charcoal has been a part of water treatment for at least 4000 years.[https://www.engineeringforchange.org/news/make-biochar-water-filter/] Biochar’s incredible porosity and surface area give it a high capacity to adsorb a wide variety of contaminants from water.[https://pprc.org/wp-content/uploads/2014/08/Emerging-Stormwater-BMPs_Biochar-as-Filtration-Media_2014.pdf] | Charcoal has been a part of water treatment for at least 4000 years.[https://www.engineeringforchange.org/news/make-biochar-water-filter/] Biochar’s incredible porosity and surface area give it a high capacity to adsorb a wide variety of contaminants from water.[https://pprc.org/wp-content/uploads/2014/08/Emerging-Stormwater-BMPs_Biochar-as-Filtration-Media_2014.pdf] | ||
Laboratory testing shows that biochar can effectively reduce contaminants including: | |||
• Heavy metals like lead, copper, zinc, cadmium, cobalt, and nickel; | • Heavy metals like lead, copper, zinc, cadmium, cobalt, and nickel; | ||
• Organics such as gasoline compounds and other volatile organics, polychlorinated biphenyls (PCB), polyaromatic hydrocarbons (PAH), and some herbicides, pesticides and pharmaceuticals; | • Organics such as gasoline compounds and other volatile organics, polychlorinated biphenyls (PCB), polyaromatic hydrocarbons (PAH), and some herbicides, pesticides and pharmaceuticals; | ||
• Chemical oxygen demand (COD) and biological oxygen demand (BOD); | • Chemical oxygen demand (COD) and biological oxygen demand (BOD); | ||
• Nutrients such as phosphorus and ammonia; | • Nutrients such as phosphorus and ammonia; | ||
• Totals suspended solids (TSS). | |||
• Totals suspended solids (TSS).[https://pprc.org/wp-content/uploads/2014/08/Emerging-Stormwater-BMPs_Biochar-as-Filtration-Media_2014.pdf] | |||
A 2019 study in the Journal of Environmental Management Found that wastewater treatment using biochar in modified sand filters would be able to achieve a similar level of effectiveness in "significant microbe removal" and "reduce the land requirement for implementation of biochar in treatment facilities," overcoming a "major constraint" to wastewater treatment on farms.[https://www.sciencedirect.com/science/article/pii/S0301479719309971] | A 2019 study in the Journal of Environmental Management Found that wastewater treatment using biochar in modified sand filters would be able to achieve a similar level of effectiveness in "significant microbe removal" and "reduce the land requirement for implementation of biochar in treatment facilities," overcoming a "major constraint" to wastewater treatment on farms.[https://www.sciencedirect.com/science/article/pii/S0301479719309971] | ||
How To (Video): https://youtu.be/kazEAzGWuIc | How To (Video): https://youtu.be/kazEAzGWuIc | ||
How To (Manual): http://www.aqsolutions.org/images/2010/06/water-system-handbook.pdf | How To (Manual): http://www.aqsolutions.org/images/2010/06/water-system-handbook.pdf | ||
Revision as of 23:02, 12 April 2022
OVERVIEW COPY TEXT
Definition
Technical
Crystal
Cavity
Historical
Archaic
Revival
Production
Feedstocks
Projects
How To
Projects
Application
Carbon Sequestration
Biochar has been identified as a key means of sequestering (removing and storing) carbon dioxide from the atmosphere into the Earth's soil. A group of scientists published in Nature in 2019 identified Biochar as one of only a few negative emissions technologies, standing out for being "the one at the highest technology readiness level."[1] According to their research, the global carbon sequestration potential of biochar (when using potassium as a low-concentration additive) is over 2.6 billion tons of CO2/year.[1]
Projects
Soil Amendment
As a soil amendment, Biochar is the simplest way to increase long-term soil organic carbon content in a form which can endure for thousands of years, as seen in the Amazonian Black Earth.
Additional benefits of Biochar for soil include improved soil texture, nutrient retention, cation exchange capacity,[2] water retention,[3] and microorganism habitat.[4]
Projects
Feed Additive
Projects
Water Filter
Charcoal has been a part of water treatment for at least 4000 years.[1] Biochar’s incredible porosity and surface area give it a high capacity to adsorb a wide variety of contaminants from water.[2]
Laboratory testing shows that biochar can effectively reduce contaminants including:
• Heavy metals like lead, copper, zinc, cadmium, cobalt, and nickel;
• Organics such as gasoline compounds and other volatile organics, polychlorinated biphenyls (PCB), polyaromatic hydrocarbons (PAH), and some herbicides, pesticides and pharmaceuticals;
• Chemical oxygen demand (COD) and biological oxygen demand (BOD);
• Nutrients such as phosphorus and ammonia;
• Totals suspended solids (TSS).[3]
A 2019 study in the Journal of Environmental Management Found that wastewater treatment using biochar in modified sand filters would be able to achieve a similar level of effectiveness in "significant microbe removal" and "reduce the land requirement for implementation of biochar in treatment facilities," overcoming a "major constraint" to wastewater treatment on farms.[4]
How To (Video): https://youtu.be/kazEAzGWuIc
How To (Manual): http://www.aqsolutions.org/images/2010/06/water-system-handbook.pdf
Projects
Insulation
Projects
Supercapacitor
Projects
Asphalt
Ink
Paper
Plastic
Sources
[1] <https://www.nature.com/articles/s41598-019-41953-0>
[2] <https://www.mdpi.com/2071-1050/11/11/3211/pdf>
[3] <https://www.frontiersin.org/articles/10.3389/fpls.2015.00733/full>