Method for recovering and utilizing waste heat

Patent · Tue Jul 23 04:00:00 EDT 1985

OSTI ID:6346296

Ohashi, H; Kurihara, Sh; Miyamoto, Sh

In a process for producing chemical substances comprising steps of cooling, condensing and solvent-absorbing the reaction product gas having a high temperature formed in a reactor, an absorption type refrigerator or an absorption type heat pump is driven by using, as the driving source, a heat source having such a temperature as not to be advantageous for the heat exchange in the process, which heat source has been taken out of the steps of cooling the reaction product gas, condensing it or solvent-absorbing it to obtain a refrigerant or a hot water having a temperature higher than the temperature of the heat source, and the refrigerant or the hot water is used as a cooling source or a heating source in the steps comprised in said process for producing chemical substances.

• Assignee: Asahi Kasei Kogyo Kabushiki Kaisha (Japan)
• Patent Number(s): US 4530826
• OSTI ID: 6346296
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320304* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Waste Heat Recovery & Utilization
ABSORPTION REFRIGERATION CYCLE
DESIGN
ENERGY RECOVERY
ENERGY TRANSFER
FLUIDS
HEAT PUMPS
HEAT RECOVERY
HEAT SOURCES
HEAT TRANSFER
HEAT TRANSFER FLUIDS
HOT WATER
HYDROGEN COMPOUNDS
OXYGEN COMPOUNDS
RECOVERY
REFRIGERANTS
REFRIGERATORS
WASTE HEAT UTILIZATION
WASTE PRODUCT UTILIZATION
WATER
WORKING FLUIDS