STEAM RECOMPRESSION IN CARBOXYLIC ACID PROCESSES

DISCLOSED IS A METHOD FOR THE RE-COMPRESSION OF PROCESS GENERATED STEAM TO CREATE A HIGHER PRESSURE STEAM THAT IS USEFUL AS A HEATING MEDIUM IN OTHER PARTS OF A CARBOXYLIC ACID PRODUCTION PROCESS OR, IN GENERAL UTILIZED IN ANOTHER PROCESS. THE INVENTION COMPRISES THE FOLLOWING BASIC STEPS: (A) RECOV...

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Bibliographische Detailangaben
Hauptverfasser:	STEVEN PAUL BELLNER, ROBERT LIN
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS BLASTING CHEMISTRY COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDEDFOR CONTROLLING WATER LEVEL ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES FEED-WATER SUPPLY HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY ORGANIC CHEMISTRY PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER RANGES STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES STEAM GENERATION VENTILATING WEAPONS
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Zusammenfassung:	DISCLOSED IS A METHOD FOR THE RE-COMPRESSION OF PROCESS GENERATED STEAM TO CREATE A HIGHER PRESSURE STEAM THAT IS USEFUL AS A HEATING MEDIUM IN OTHER PARTS OF A CARBOXYLIC ACID PRODUCTION PROCESS OR, IN GENERAL UTILIZED IN ANOTHER PROCESS. THE INVENTION COMPRISES THE FOLLOWING BASIC STEPS: (A) RECOVERING THERMAL ENERGY FROM AT LEAST A PORTION OF THE HIGH TEMPERATURE PROCESS STREAM (L0) RESULTING FROM AN AROMATIC CARBOXYLIC ACID PRODUCTION PROCESS IN A FIRST HEAT TRANSFER ZONE (20) TO PRODUCE A LOW PRESSURE STEAM ; (B) SUBJECTING THE LOW PRESSURE STEAM (30) TO A COMPRESSION ZONE (40) TO GENERATE AN INTERMEDIATE PRESSURE STEAM (50); (C) UTILIZING THE INTERMEDIATE PRESSURE STEAM (50) AS A HEATING MEDIUM, SPECIFICALLY WITHIN OTHER PARTS OF THE CARBOXYLIC ACID PROCESS OR GENERALLY IN ANOTHER PROCESS THEREBY GENERATING STEAM CONDENSATE; AND (D) OPTIONALLY, RECYCLING ALL OR PART OF THE STEAM CONDENSATE TO THE SECOND HEAT TRANSFER ZONE FOR LOW PRESSURE STEAM GENERATION.