Carbonization | chemical reaction | Britannica (original) (raw)

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benzene preparation

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  In chemical industry: Benzene
  …it was obtained from the carbonization (heating) of coal, which produces coke, combustible gas, and a number of by-products, including benzene. Carbonization of coal to produce illuminating gas dates back in England to the very early years of the 19th century. The process is still employed in some countries, but…
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coal processing

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  In coal utilization: Carbonization (coke making)
  Coke is the solid carbonaceous residue that remains after certain types of coal are heated to a high temperature out of contact with air. The process of heating coal in this manner is referred to as carbonization or coke making. High-temperature carbonization,…
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