Document nNk0zXnajpG78NVQ2rmpqZwr8

Ethanolamines/Glycol Ethers In Plant Training (IPT) Section Number Issue Number Origination Date Revision Date Section Test 14A 1.3 08-23-91 12-23-97 :14A Author: Mike Viator Glycol Ethers Reactor System Including Oxide And Alcohol R-101, R-102, and R-103 Answers: 1. State the importance of maintaining a constant catalyst flow to R-101. A constant catalyst flow to the reactor is important in preventing any unreacted oxide from leaving R-103 and entering E-102. 2. State what an increasing temperature across R-103 would indicate. Indicates a slower reaction rate in R-101 /102. 3. State what can be done to lower the delta t across R-103. A. Increase catalyst flow to MX-101. B. Increase R-101/102 shell pressures. 4. State what effect recycle flows have on product mix. We recycle PM to react with oxide to make more DPM, DPM to make more TPM and so on. 5. State the methods of controlling temperature on the reactor system. With R-101/102 shell pressure and catalyst feed. 6. State how the pressure is controlled on the tube side of the reactors. With FIC-1024 ( P-104 A/B recirculation control valve). 7. Explain how the salt is formed on the Dowfroth series run and how it is controll d. A. The salt is formed when catalyst is neutralized. B. By minimizing the amount of catalyst used and the use of TPM recycle. 8. State the purpose of the makeup steam on R-101/102. To maintain shell pressure and temperature. 9. Explain why the temperature controller and HIC-1063 are needed in the reactor system. The temperature controller is used to heat the alcohol feed to R-101 by cross exchanging reactor effluent with the feed. The HIC valve bypasses the alcohol to E-102 and flows cool alcohol to R-101. Date Printed: April 18,1998 Paper Copies Of This Document Are Uncontrolled & Not Subject To Update. The Controlled Document Resides In File: T:\ORIGINALMPT\GECONTR\REACTOR\ASOSA1RX.DOC Page 1 of 3 DO A 058634 CONFIDENTIAL 10. Explain the process of pressuring up the reactor system for startup. Bleed air from P-104 and E-104 and establish a recirculation flow with total flow through E- 104 (FIC-1024 about 1/2 open. With EBV-1064 in manual in the field, start a flow to R-101 through R-102, 103 and E-102 up to the alcohol control valve FIC-1046 regulating the flow with the manual block valve just under EBV-1064. Establish a flow with the manual block valve and wait for pressure to build up. As pressure approaches operating condition take a small flow to T-110 to bleed inerts from the system for about 5 minutes. 11. State the minimum and maximum flows for the P-101's and P-104's. A. P-101 A/B: minimum 10,890 pounds per hour. B. P-101 A/B: maximum 37,901 pounds per hour. C. P-104 A/B: minimum 37,462 pounds per hour. D. P-104 A/B: maximum 91,080 pounds per hour. 12. State what steps could be taken to increase the reaction rate in R-101 and R-102. Increase the shell pressure or catalyst flow. 13. State the minimum level DV-103/104 should run. No less than 60%. 14. State where R-101/102 steam is used on the EB series. High PM. Dowfroth. A. EB = D-510 B. PM = E-110 C. Dowfroth = E-110 15. State the pressure safety valve setting for R-101/102 shells. 500 psig. 16. State the pressure safety valve setting for R-101/102 tube side at R-101,102,103 and E-102. All are set at 750 psig. 17. D monstrate how to place oxide and alcohol on VAX control. 18. State the purpose for the high and low limit controllers for oxide and alcohol to R-101. To prevent a flow drive up-scale on oxide and down-scale on alcohol pass the desired rate. Limit controllers should be set 5% above for oxide and 5% below for alcohol of the desired rate. Revisions: Revision No. 1 06-18-93 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\IPT\GECONTR\REACTOR\ASOSA1RX.DOC Page 2 of 3 DO A 058635 CONFIDENTIAL Revision No. 2 Revision No. 3 12-18-94 12-23-97 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\IPT\GECONTR\REACTOR\ASOSA1RX.DOC Page 3 of 3 DO A 058636 CONFIDENTIAL