Method and structure for forming a reaction product

Details Method and structure for forming a reaction product Method and structure for forming a reaction product

1986-07-18

1988-06-28

Pal, Asok

Chemistry of inorganic compounds

Miscellaneous process

141 1, 141 65, 141 67, 137 14, 137571, 422110, 422112, B01J 304

Patent

active

047537876

ABSTRACT:
A reaction product is formed by a process which involves the transfer of the reaction product from an autoclave to a receiving vessel at a substantially constant flow rate. Just prior to this transfer, the pressure in the receiving vessel is brought up to the pressure in the autoclave by passing gas from the autoclave to the receiving vessel. The flow of gas from the autoclave to the receiving vessel is then stopped, and the pressure in the receiving vessel is allowed to drop due to transfer of heat from the gas to the walls of the receiving vessel. The resulting pressure difference between the autoclave and the receiving vessel is used to initiate the transfer of the reaction products from the autoclave to the receiving vessel. A pressure release valve on the receiving vessel is then controlled by means a signal derived from a flow meter which measures the flow rate of the reaction products flowing from the autoclave to the receiving vessel to maintain constant this flow rate.

REFERENCES:
patent: 2502525 (1950-04-01), Krugler
patent: 2823692 (1958-02-01), Riis-Carstensen
patent: 2918928 (1959-12-01), Rednour
patent: 3711457 (1973-01-01), Ayres
patent: 4019524 (1977-04-01), Whitson et al.
patent: 4238240 (1980-12-01), Krijgsman
patent: 4366121 (1982-12-01), Krijgsman
patent: 4545970 (1985-10-01), Krijgsman

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