Patent ID: 7687677

Claim:
A process for recovering thermal energy from a reactor effluent stream resulting from dehydrogenation of a dehydrogenatable hydrocarbon, the process comprising: contacting the reactor effluent stream with a first circulating fluid stream in a first contact cooling zone wherein the reactor effluent stream is cooled to form a first product stream and the first circulating fluid stream is heated to form a first heated circulating fluid stream; recovering thermal energy from the first heated circulating fluid stream via indirect heat exchange with a first process stream in a first heat exchange zone wherein the first heated circulating fluid stream is cooled to form a first cooled circulating fluid stream and the first process stream is heated to form a heated first process stream; compressing the first product stream in a first compression zone to produce a first compressed product stream; and contacting the first compressed product stream with a second circulating fluid stream in a second contact cooling zone wherein the first compressed product stream is cooled to form a second product stream and the second circulating fluid stream is heated to form a second heated circulating fluid stream.