| Patent Number |
Title Of Patent |
Date Issued |
| 4959079 |
Steam reforming process with low fired duty |
September 25, 1990 |
| A reformer method for reforming hydrocarbons are described. The feed stream is heated in the presence of reforming catalyst both in a tube convection portion and a radiant section of the reformer furnace. The catalyst tubes may have an extended surface in the tube convection portion to e |
| 4867959 |
Process for synthesizing ammonia |
September 19, 1989 |
| Means are disclosed for lowering the temperature of the gaseous effluent from the first catalyst bed in a continuous ammonia synthesis process in which a syngas mixture containing nitrogen and hydrogen is passed sequentially over two or more catalyst beds containing ammonia synthesis |
| 4785877 |
Flow streamlining device for transfer line heat exchanges |
November 22, 1988 |
| Shell-and-tube transfer line heat exchangers are disclosed, having inlet ends with a flow streamlining device comprising, in combination:flared ends, preferably in the form of hollow truncated cones, whose smaller ends are aligned with and mated to the inlet ends of the heat exchange tub |
| 4756730 |
Cryogenic recovery of high purity hydrogen |
July 12, 1988 |
| A process for the cryogenic purification of industrial by-product hydrogen streams to recover a high yield of a high purity hydrogen product is disclosed in which two or more of such by-product streams, one containing detrimental amounts of non-readily condensible impurities having boili |
| 4744966 |
Process for synthesizing ammonia |
May 17, 1988 |
| Means are disclosed for lowering the temperature of the gaseous effluent from the first catalyst bed in a continuous ammonia synthesis process in which a syngas mixture containing nitrogen and hydrogen is passed sequentially over two or more catalyst beds containing ammonia synthesis |
| 4735704 |
Liquid removal enhancement |
April 5, 1988 |
| An improved process for removing free liquid from a hydrocarbon-rich gas stream is disclosed. Liquid is injected into the gas stream upstream of a chiller and downstream of an acid-gas removal system and any equipment that may affect the water content of the gas stream: compressors, colu |