Charcoal carbonisation, i.e. the process of removing water, volatile matter, and ash from wood under the action of pyrolysis at high temperature to obtain high quality charcoal. The wood carbonisation process can be divided into: preheating, carbonisation, and cooling. Charcoal carbonisation is the process of making full use of renewable resources, such as wood, to produce high quality charcoal with high adsorption, a high calorific value, and low ash content. The important equipment used for charcoal carbonisation is the carbonisation furnace. The whole process is carried out in the absence of oxygen, so that the carbon element of the organic matter to gradually precipitated to form charcoal.
Charcoal carbonisation is a responsible physical and chemical process. It can be mainly divided into three stages: drying, pyrolysis, and carbonisation. Drying refers to the decomposition of water from organic substances at high temperatures. Pyrolysis refers to long chain organic molecules being broken into smaller molecules at high temperatures. Carbonisation refers to the structural reorganisation of carbon molecules to form a carbonaceous structure, thus releasing various organic compounds.
The conditions for charcoal carbonisation are mainly controlled by: carbonisation temperature, time and atmosphere. The optimum temperature for charcoal carbonisation is between 400°C and 500°C. The carbonisation time usually lasts between 2 and 5 hours. The carbonisation time usually lasts 2-6 h. At the same time, it is necessary to control the atmosphere conditions within the carbonisation furnace, which is usually oxygen-poor or oxygen-free.
Charcoal is now widely used in life again. Charcoal has a wide range of applications and promising market prospects. It is mainly in the following industry fields:
Life use: barbecue, cooking, heating, fuel, BBQ and so on.
Industrial use: activated carbon production, water purification materials, desulphurisation, gas purification, electronic industry, etc.
Agricultural use: crop protection, fertiliser, feed, etc.
Pharmaceutical field: preparation of drugs, treatment of infections, etc.
In a word, charcoal carbonisation is a kind of charcoal processing process that transforms wood and other organic-rich materials into charcoal with excellent properties such as high adsorption, high calorific value, and low ash content. We need to master the relevant reaction conditions and mechanisms, for the actual application of the scene also need to make targeted adjustments. Charcoal carbonisation has important significance and value.
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