Benzene is produced by different petroleum conversion processes in petroleum refinery and chemical plant processes, primarily by catalytic reforming, steam cracking and dealkylation. The estimated annual production of benzene as a chemical intermediate in the European Union (EU) is 7 247 kt/a. 576 128 t/a benzene were imported to the EU, 128 902 t/a were exported from the European Union in 1994.
In the chemical industry, benzene is industrially the most important of the so-called BTX aromatics (benzene, toluene, xylene). Benzene forms the basis for a great variety of aromatic intermediates and for the group of cycloaliphatic compounds.
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