Recover heat by mechanical vapor recompression
Several examples illustrating recompression of head vapors for heating the reboiler of a distillation tower are presented. The advantages of the mechanical vapor recompression system using a screw compressor are discussed in detail. The system is economically attractive with simple payback periods often less than two years. Numerous studies have identified a number of alternatives for lowering energy consumption in the distillation process through various heat recovery techniques. One such technique utilizes mechanical vapor recompression. By mechanically recompressing low-pressure vapors, a better match can be made between low-grade waste energy sources and process uses, thereby improving plant energy efficiency.
- Research Organization:
- Thermo Electron Corp., Waltham, MA
- OSTI ID:
- 6492211
- Journal Information:
- Hydrocarbon Process.; (United States), Journal Name: Hydrocarbon Process.; (United States) Vol. 64:5; ISSN HYPRA
- Country of Publication:
- United States
- Language:
- English
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Recovering energy by mechanical vapor recompression
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Related Subjects
320304* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Waste Heat Recovery & Utilization
BOILERS
CHEMICAL PLANTS
COMPRESSION
COMPRESSORS
COST BENEFIT ANALYSIS
DISTILLATION EQUIPMENT
EFFICIENCY
ENERGY EFFICIENCY
ENERGY RECOVERY
EQUIPMENT
FLUIDS
GASES
HEAT RECOVERY
HEAT RECOVERY EQUIPMENT
INDUSTRIAL PLANTS
PETROCHEMICAL PLANTS
RECOVERY
VAPORS
WASTE HEAT BOILERS