1. There are two main techniques, carbonisation and gasification; both require very vigorous conditions, especially high temperatures.

2. Drying, low-temperature carbonisation, and cracking of gases occur in the upper zone, while permanent gasification of charcoal takes in lower zone.

3. Concrete carbonisation can be accelerated by wind, which makes the durability of the section of concrete structure different everywhere. It has been testified by the present theories and researches.

4. It was pointed out that de - carbonisation temperature could be determined by analysis of phase structure.

5. Then, the carbon parts are available after carbonisation of the moulded parts in non-oxidizing atmosphere.

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6. The end product contains mainly carbon monoxide and hydrogen from the gasification step plus a little methane from the carbonisation.

7. The process involves the production of industrial and domestic coke and related by products from the carbonisation of coal.

8. Coal gas used is a proportion of that evolved from the coal during its carbonisation and after purification .

9. The thermal post-combustion is used for two oven chambers, one of which operates in a pyrolysis or carbonisation mode and the other operates in the form of a combustion chamber.

10. In order to manufacture complex components, it is suggested that at least two semi-finished moulded parts are firmly joined either in raw form or after at least partial carbonisation.

11. The main process can be divided into: Coal handling, Carbonisation, Coke handling, Byproducts separation, Gas purification, Auxiliary boiler plant, Biological effluent treatment.