hydrodealkylation


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hydrodealkylation

[‚hī·drō·dē‚al·kə′lā·shən]
(chemical engineering)
A petroleum refining operation in which heat and pressure are used to remove methyl groups or larger alkyl groups from hydrocarbons, or to change positions of these groups on the molecule; used to upgrade low-value products.
References in periodicals archive ?
Table 36: Asia Pacific, Benzene Industry, Installed Plant Capacity by Hydrodealkylation (HDA), 2010 53
Table 131: Japan, Benzene Industry, Installed Plant Capacity by Hydrodealkylation (HDA), 2010 156
In petrochemical operations they recover hydrogen from ammonia and methanol purge gas, ethylene cracker off-gas, hydrodealkylation purge gas and hydrogen/carbon monoxide streams.