Chemicals
There are currently 11 names in this directory beginning with the letter D.
Dehydrogenation
A chemical reaction in which hydrogen is removed from a compound. Dehydrogenation of organic compounds converts single carbon-carbon bonds into double bonds. Used to produce propylene from propane.
Derivative
Chemical compound derived or made from other chemicals. Polyethylene is an ethylene derivative.
Disproportionation
A method used in the production of benzene whereby a compound is simultaneously oxidized and reduced.
Distillation
A method used to separate two or more substances in a mixture by vaporizing followed by condensation.
Dopant
The impurities added to silicon during the manufacturing of a semiconductor to increase or decrease various properties such as electrical conductivity. Dopants may include arsenic, antimony, bismuth, and/or phosphorus.
Downstream activities
Refers to processing of hydrocarbons such as crude oil and natural gas into compounds that form petrochemical feedstocks or other usable products.