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Higher Amines - 24,000 MTPY
24,000 metric tons per year
This unit is part of an integrated facility that sits on 57 acres of land, two-thirds of which are undeveloped. The facility produces Methyl Amines for use in Higher Amines and Amine Derivatives.
The higher Amines Plant has a capacity of 24,000 metric tons per year
Major Upgrades were performed to the facility in 1990 and 2000
This unit takes the "lower" amines from the Methyl Amines plant and attaches them to a higher molecular weight molecule such as Ethanol-I-Propanol and Butanol.
This is followed by hydrogenation in a 300 PSIG shell and tube carbon steel reaction vessel with catalyst.
Separation follows in a series of six columns and evaporators.
The wiped film evaporator in this unit has never been used.
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Click Here for a Presentation on the Complete Amines & Derivatives Facility
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Amine gas treating (a.k.a. acid gas removal, amine scrubbing, and gas sweetening) is a collection of processes that utilize aqueous solutions of several alkylamines (commonly called amines) to remove carbon dioxide and hydrogen sulfide from gases. This is a unit process that often takes place in refineries. It is also employed in petrochemical and natural gas processing plants as well as various other industries.
Oil refinery or chemical processing plant processes that extract hydrogen sulfide are termed "sweetening" processes as they reduce the odor associated with the products treated in this fashion. One alternative process that does not use amines is membrane separation, but this is less commonly used because of the comparatively high expense and technical difficulty involved.
A variety of amines are utilized in gas treating processes:
Aminoethoxyethanol (or Diglycolamine) (DGA)
The image posted above is a process flow diagram depicting an amine treating process used in natural gas processing plants, petroleum refineries, and other kinds of industrial facilities.
In industrial plants the most frequently seen amines are the alkanolamines DEA, MDEA, and MEA. These are often used in oil refineries as a way to remove sour gases from liquid hydrocarbons.
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