Therser UK Blog

What is Carbonization?

Carbonization is a process that involves the decomposition or transformation of organic materials, typically rich in carbon, into carbon-rich solid residues. It occurs through the application of heat in the absence or limited supply of oxygen. The process removes volatile components, such as water, and leaves behind carbonaceous materials.


blog.therseruk.comhubfstest section 1

During carbonization, organic materials undergo thermal degradation, resulting in the release of volatile gases, such as water vapor, methane, carbon dioxide, and other organic compounds. As the temperature increases, the complex organic molecules break down into simpler compounds and eventually form carbon-rich solid residues.

The carbonization process is commonly associated with the conversion of biomass, such as wood, peat, or agricultural waste, into charcoal. The organic material is heated in a controlled environment, such as a kiln or retort, with limited oxygen supply. As a result, volatile components are driven off, leaving behind a solid residue primarily composed of carbon.

Carbonization serves several purposes and finds applications in various industries:

  1. Fuel production: Carbonization of biomass, such as wood or agricultural waste, produces charcoal, which can be used as a fuel source. Charcoal has a high carbon content and can be burned for heat and energy production.

  2. Metallurgical processes: Carbonization is used in metallurgy for the production of carbon-based materials like coke. Coke is derived from coal through carbonization and is extensively used as a fuel and reducing agent in the iron and steel industry.

  3. Activated carbon production: Carbonization is an initial step in the production of activated carbon. After carbonization, the resulting carbonaceous material is further processed to create a highly porous structure with a large surface area, making it suitable for applications like water purification, gas adsorption, and chemical filtration.

  4. Carbon materials and composites: Carbonization is employed to produce carbon fibers, carbon black, carbon nanotubes, and other carbon-based materials used in various industries, including aerospace, automotive, electronics, and construction.

The specific conditions and temperature ranges for carbonization vary depending on the material being processed and the desired outcome. By carefully controlling the carbonization process parameters, manufacturers can obtain carbon-rich materials with specific properties for their intended applications.


Please contact our sales team today on 44 (0)1782 824453 or drop us an email to


Subscribe by email