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tr.v. al·kyl·at·ed, al·kyl·at·ing, al·kyl·ates
To add one or more alkyl groups to (a compound).

al′kyl·a′tion (-kə-lā′shən) n.


1. (Chemistry) the attachment of an alkyl group to an organic compound, usually by the addition or substitution of a hydrogen atom or halide group
2. (Chemistry) the addition of an alkane hydrocarbon to an alkene in producing high-octane fuels


(ˌæl kəˈleɪ ʃən)

1. the replacement of a hydrogen atom in an organic compound by an alkyl.
2. the addition of an alkane to an alkene.
References in periodicals archive ?
A two-reagent assay protocol was used in this system: The first reagent contains TCEP, CABA-phosphate (the enol-phosphate derivative of chloroacetylbenzoic acid), and latex particles coated with Hcy-ABA (the product of alkylation of Hcy with CABA).
The installation of the water-mitigation system, coupled with the existing Emergency Shut Down (ESD) sys tem and the new IMP, surpass the level of risk-reduction achieved by most other refiners and rank in the top 10% of safety considerations being implemented by the HF alkylation industry worldwide," says Graham Turner, Caltex engineering manager, who oversaw the upgrades.
The section Existing Alkylation Process and Waste Management below introduces the process--alkylation--concentrating on the management of fluoridic waste arising from HF used as catalyst.
Valero Energy Corp, the largest independent US refiner, also may add a 12,500 barrels per day alkylation unit to its Houston refinery for the same reason.
Alkylation of toluene with methanol produces primarily a mixture of xylenes the distribution of which in the product largely depends on the characteristics of the catalyst.
Now we produce two million liters of 100 LL gasoline per day in alkylation unit of Aban oil refinery, which is a strategic product and is used as fuel by planes and helicopters' Qasemi noted.
Pilot Chemical's proprietary technologies include: alkylation, sulfonation, sulfation and a number of other specialty operations.
The other route for combining smaller hydrocarbon molecules into larger ones is alkylation.
The major project involves the installation of a Vacumm Distillation Unit, Light Olefine Alkylation Unit, Light Gasoline Isomerization Unit, Gasoline Mixing Unit and Utility System.
Miyoshi's group has previously reported the successful use of metallic strontium to obtain high yields in the alkylation of aldehydes or imines with alkyl iodides1,2 and dialkylation of esters with alkyl iodides3.
Summary: TEHRAN (FNA)- The first Iranian made alkylation unit of a gasoline making project came online at Abadan oil refinery.