Exploring the Diversified
Application Value of Biocarbon
A high-purity, solid carbon-based product refined from biomass through oxygen-limited pyrolysis. It has high fixed carbon, low ash and volatile matter, excellent porosity, and adsorption properties.
Applications:
One biomass resource can be transformed into three different futures
1.Co-firing in
Coal-fired Power Plants
Co-firing is the quickest way to integrate biomass into the existing energy system and is widely regarded as the most promising application in the short term.
Torrefied biomass can be pulverized in existing coal roller mills, avoiding the cost of dedicated biomass grinding equipment.
Its physical properties allow seamless integration with existing coal handling, storage, and feeding systems.
Ignition temperature and burnout time are close to those of coal, enabling efficient co-firing in boilers with minimal impact on efficiency.
Under optimized conditions, boiler efficiency can be preserved or even slightly enhanced.
2.lndustrial Heating and
District Heating
Torrefied biomass can be used as a high-quality, smokeless solid fuelfor industrial boilers in cement plants, steel mills, ceramics factories,paper mills, or for district heating boilers, replacing coal or naturalgas. Its high energy density and hydrophobicity make transportationand on-site storage of fuel more cost-effective and reliable. Inenergy-intensive and difficult-to-electrify industries such as steel andcement, using baked biomass as process fuel or reducing agent is animportant technical path for achieving carbon reduction in industrialprocesses.
Cement Plants
Steel Mills
Ceramic Factories
Paper Mills
5. Environmental
Remediation: Addressing
Severe Pollution Challenges
The stable physicochemical properties and unique surface characteristics of high-temperature metallurgical biocarbon give it a unique advantage in treating difficult-to-degrade industrial wastewater and complex air pollutants.
4.Other Potential Applications
Soil Amendments:
Similar to biocarbon, torrefied biomass can be directly used or treated to improve soil, but its lower preparation temperature may result in more unstable carbon and soluble organics.
Chemical Feedstock:
The liquid by-products from torrefaction are rich in acetic acid, phenols, and other compounds, which can be separated and purified as chemical raw materials. The solid torrefied biomass can also be further gasified to produce syngas, which can then be used to synthesize methanol, Fischer–Tropsch fuels, and other chemicals.
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