Document rp0NOEozZY81JYe7j5a7JG120

BLOCK # 184 NORMAL OPERATING PROCEDURES REVISED 3*16-96 GT REVISION 2 APPROVED: CHEMIN TITLE: T-500 NORMAL OPERATING CONDITIONS (RL000184.DOC) HAZARDS TO BE AWARE OF: SAFETY/HEALTH CONSIDERATION N/A ENVIRONMENTAL CONCERNS N/A SAFETY EQUIPMENT REQUIRED: BLOCK SAFETY EQUIPMENT. RESPONSIBILITY: SOS AND OS TO MAINTAIN AND IMPLEMENT THIS PROCEDURE PURPOSE: CONDITIONS UNDER WHICH T-500 NORMALLY OPERATES. GLYCOL 1 PROCEDURE: T-500 NORMAL OPERATION CONDITIONS MOC #2002 (3/16/96) FEED- AS NEEDED TO CONTROL THE LEVEL IN DV-1207 REFLUX- AS NEEDED TO CONTROL THE MPG IN OH NEAR TARGET(1000 - 6000 PPM) PRESSURE- TARGET= 150MM HGA. (RANGE) 140 TO 160 TEMPERATURE- AS NEEDED TO CONTROL COLUMN WITHIN DESIGNATED WATER SPECIFICSTIONS MOC #2002 (3-16-96) SPEC. OVER HEAD MPG= 1000 TARGET TO 6000 UCLX BTMS. H20 = TARGET 175 TO 350 UCLX RANGE* 140 TO 150 DEG. CENT. NOTE: T-500 FORWARD FLOW SHOULD BE LINED UP TO P-5 SUCRION. THIS FLOW SHOULD NOT BE SWITCHED TO D-9 UNLESS THE PLANT IS HAVING TOD PROBLEMS AND THE SOURCE IS T-500 FF. THIS CAN ONLY BE DONE AFTER OBTAINING APPROVAL FROM THE AREA ENGINEER. THE REASON FOR THIS IS THAT T-500 OH IS THE POINT IN THE SYTEM WHERE LIGHTS THAT FORM CARBONYLS ARE REMOVED. IF THIS FLOW IS LEFT IN D-9 THESE LIGHTS WILL BEGIN TO BOIL UP AND FORM CARBONYLS AND CAUSE QUALITY PROBLEMS IN OUR FINISHED TPG. DO A 045237 CONFTDENTTAl Reviewed 11/13/96 Page 1 of 1