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Ethanolamines/Glycol Ethers In Plant Training (IPT) Section Number Issue Number Origination Date Revision Date Section Test 5C 1.3 09-30-91 12-23-97 :5 Author :Mike Viator Ethanolamines - Miscellaneous Rerun From DV-243A Answers: 1. Physically locate. A. P-243A discharge to rerun. B. Rerun control loop. 2. Explain the purpose of running a sample on DV-243A before starting a rerun flow. We need to know the color.We also need to know the composition so that we can foretell how it will affect the finishing end. 3. State the different uses of CF-271. Used for T-271 overheads in series with CF-272. 4. State what CF-271 is packed with and why. Charcoal - it absorbs the color bodies to help lower the color. 5. State the difference between rerun and recycle. Rerun - flows from DV-243A to T-240 to reprocess wet crude amines. Recycle - flows from finishing columns to reactor to adjust product mix. 6. Explain what happens to the recycle when we send it through the reactor. State why it is not a good idea to send TEA back through the reactor in the recycle. A. MEA reacts to make more DEA. B. DEA reacts to make more TEA. C. TEA reacts to make more Highers. D. It isn't a good idea to recycle TEA because it reacts and produces highers, that we don't need. 7. State the purpose of the FL-271 's. To remove or catch any particles in CF-271 or CF-272 effluent. 8. State where rerun enters T-240. The rerun joins in with the feed to T-240 from T-230. 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\EAFINISH\MISC\ARERUN24.DOC Page 1 Of 2 DO A 058751 CONFIDENTIAL Revision: Revision No. 1 Revision No. 2 Revision No. 3 06-28-93 12-12-94 12-23-97 Yearly Review Yearly Review Yearly Review Date Printed: April 18, 1998 Paper Copies Of This Document Are Uncontrolled & Not Subject To Update. The Controlled Document Resides In File: T:\ORIGINAL\IP7\EAFINISH\MISC\ARERUN24.DOC Page 2 Of 2 DO A 058752 CONFIDENTIAL