The Indian carbon market set to be launched in 2026, CO2 removal technologies such as biochar are expected to play a crucial role.
About Biochar:
Biochar is a type of charcoal rich in carbon and is produced from agricultural residue and organic municipal solid waste.
It offers a sustainable alternative to manage waste and capture carbon.
It is granular material obtained by heating crop residue at 400°C to 600°C in a kiln-shaped structure in the absence of oxygen.
Advantage of Biochar: It can hold carbon in the soil for 100-1,000 years due to its strong and stable characteristics, making it an effective long-term carbon sink.
Potential Applications of Biochar
Agriculture: Applying biochar can improve water retention, particularly in semi-dry and nutrient-depleted soils. This, in turn, can abate nitrous oxide emissions by 30-50%.
Biochar can also enhance soil organic carbon, helping restore degraded soils.
Industries: In carbon capture applications,modified biochar can adsorb CO₂ from industrial exhaust gases. However, its carbon removal efficiency is currently lower than that of conventional methods.
Construction sector: Biochar can be explored as a low-carbon alternative to building materials and makes building materials a stable carbon sink.
Wastewater Treatment: Biochar offers a low-cost and effective option to reduce pollution.
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