Document k9XGkemLwmj1qkGJ5Ow8mKyGb

EQUIPMENT R-72 D-72 E-72 E-2E E-3E REACTIVE POTENTIAL 1. LIQUID CHLORINE 2. VAPOR PHASE REACTION FUNCTION DIRECT CHLORINATED EDC POST REACTOR. REACTS EXCESS ETHYL ENE. EDC POST REACTOR LIQUID BED DRUM. ' BED CIRCULATION COOLER. D-72 VENT CONDENSER. POST REACTOR PROPYLENE CONDEN SER. SOLUTION A. ALL CHLORINE STEAM TRACED. LINES ARE B. CHLORINE LIQUEFACTION TEM PERATURE IS CALCULATED FROM PRESSURE AT R-72 METER RUN. C. LOW CHLORINE TEMPERATURE ALARM. D. REACTOR SHUTDOWN PROCEDURE WITH DIRECT INTERCOM TO CHLORINE PLANT. A. HIGH TEMPERATURE ALARM (90'C) AND HIGH TEMPERATURE SHUTDOWN (93*C) AT D-72 TOP. B. HIGH TEMPERATURE ALARM (90*C) AND HIGH TEMPERATURE SHUTDOWN (93"C) AT E-2E INLET. C. TEMPERATURE MONITOR AND ALARM ( + 10) E-3E VENT OUT LET. D. TEMPERATURE MONITOR AND ALARM ON VENT TO FI RETUBE BOILER. E. LOW D-72 LEVEL SHUTDOWN. 00 07538? CONFTDFNTTAl REACTIVE POTENTIAL 3. REACTOR BALANCE 4. LOSS OF AIR 5. LOSS OF POWER SOLUTION A. CHLORINE FLOW IS SET BY ON-STREAM ANALYZER TO MAIN TAIN 3% EXCESS CHLORINE IN THE VENT TO THE FIRETUBE BOILER. B. ETHYLENE ANALYZER SAMPLES VENT FLOW. CHLORINE CONTROL VALVE SPRING LOADED TO CLOSE. IS THE TRIP SCHEME WILL ACTIVATE TO SHUT THE CHLORINE CONTROL VALVE. 00 075383 confidential