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Section Number Issue Number Origination Date Revision Date
Ethanolamines/Glycol Ethers
In Plant Training (IPT)
3 1.3 08-22-91 12-11-95
Author:
Mike Viator
Section Test 3 General Knowledge/Service and Utility Lines
Objectives/Answers:
1. State basically what we put into the reactor on the ethanolamines side and state five products that we get out. We react aqua ammonia with ethylene oxide to produce monoethanolamine, diethanolamines, triethanolamines (both TEA-99 and TEA-85), and some higher amines. We also have ammonia and water left over after the reaction.
2. State basically what we put into the reactor on the glycol ethers side and state eight products that we get out. On PM series: We react methanol with propylene oxide and some catalyst to produce: propylene glycol methyl ether, called PM. Dipropylene glycol methyl ether, DPM.
Tripropylene glycol methyl ether, TPM. And polypropylene glycol methyl ether, Dowfroth.
On EB series: We react n-Butanol with ethylene oxide and some catalyst to produce: ethylene glycol butyl ether, EB. Diethylene glycol butyl ether, DB. Triethylene glycol butyl ether, TBH. Tars.
3. Define the following terms/words associated with Ethanolamines/Glycol Ethers. A. Reactor: Vessel used to react raw materials to make our products. B. Reboiler: An exchanger that receives a process flow from a distillation column that it then vaporizes. These vapors are then returned to the column. The heat source for
the reboiler is usually steam.
C. Blind flange: A solid disc with bolt holes used for blinding the end of a pipe or valve. Its
diameter and thickness are determined by the size of the pipe and the pressure rating. D. Exchanger: A piece of equipment that transfers heat from a hot process to a cool one.
4. State what 475 and 235 psig steam is used for in Ethanolamines/Glycol Ethers. 475 and 235 psig steam is used to drive reboilers, heaters and ejectors.
Date Printed April 18, 1998
Paper Copies Of This Document Are Uncontrolled & Not Subject To Update. The Controlled Document Resides In File: T:\ORIGINAL\lPT\SECTTEST\SECTST3.DOC
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DO A 059926 CONFTDENTIAl
5. State what process water is used for in Block 55. Makeup water to the cooling tower, utility stations, process vent stacks fire water and the ammonia scrubber.
6. State what cooling tower water is used for in Ethanolamines/Glycol Ethers. Cooling tower water is used to remove heat generated by the process.
Revisions:
Revision No. 1: 07-21-93 Yearly Review
Revision No. 2:
04-07-94 04-07-94
Changed #8 to read "state who the contact is for the following concerns: A. Safety - Ron Pepitone B. Training - Les White C. Environmental - Dan Jones Eliminated engineer from #9
Revision No. 3:
12-11-95
Eliminated #3-11 and renumbered Modified #1
Date Printed' April 18,1998
Paper Copies Of This Document Are Uncontrolled & Not Subject To Update. The Controlled Document Resides In File: T:\ORIGINAL\IPT\SECTTEST\SECTST3.DOC
Page 2 of 2
DO A 059927 CONFIDENTIAL