Biochar is a stable form of carbon obtained from sustainable sources such as biomass and is the only actual carbon capture and storage system available in the world today. The substance is known for being extremely rich in carbon and its ability to inhabit the earth for thousands of years.
Biochar is the by-product of exposing organic matter, such as wood and crop waste, to high temperatures in a low oxygen environment.
This process is known as pyrolysis, an ancient method for making charcoal currently used to produce emissions-free hydrogen. Human application of this extraordinary charcoal-like substance dates back to pre-Columbian Amazonians, who used it to improve soil fertility.
Biochar can be sequestered in soils to enhance their agricultural and environmental value. According to a NSW Ag Department trial, the state’s corn experienced yield growth from 13 to 35t/ha by utilising the material.
Biochar is becoming increasingly popular because it turns biomass waste streams into revenue whilst having an incredible impact on the environment and climate.
Currently, it has market demand across various sectors — livestock (feed), steelmaking, agriculture (fertiliser), construction materials, & animal bedding — and is sold for upwards of $545 per tonne.
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