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| Number | Title | Issue Date |
| 7294325 | Method for the production of hydrocyanic acid by oxidation of nitrogen-containing hydrocarbons in a flame A process is described for preparing hydrogen cyanide by autothermal noncatalytic oxidation of one or more nitrogenous hydrocarbons or a nitrogenous hydrocarbon mixture in which the nitrogenous hydrocarbons, an oxygen-containing gas, with or without ammonia, with or... | 11/13/2007 |
| 6716405 | Process for removing unreacted ammonia from an effluent in a hydrocarbon ammoxidation reaction A process for removing unreacted ammonia from an effluent of a catalyst bed used in a hydrocarbon ammoxidation reaction is provided. The process includes a step of providing a fluidized bed reactor. The reactor includes the catalyst bed for reacting ammonia and hydr... | 04/06/2004 |
| 6656442 | Hydrogen cyanide process and apparatus therefor A catalytic process and apparatus therefor for the manufacture of hydrogen cyanide. In the process an oxygen rich oxidant stream and at least one oxidant-free feed steam containing methane and ammonia are separately preheated and rapidly mixed to form a d... | 12/02/2003 |
| 6649137 | Apparatus with improved safety features for high temperature industrial processes A conical reactor head for use in chemical processes or other systems is provided. The reactor head includes a robust internal insulator to boost efficiency while maintaining safety by allowing the reactor head to self-radiate at high temperatures. The re... | 11/18/2003 |
| 6491876 | Hydrogen cyanide process and apparatus therefor A catalytic process and apparatus therefor for the manufacture of hydrogen cyanide. In the process an oxygen rich oxidant stream and at least one oxidant-free feed stream containing methane and ammonia are separately preheated and rapidly mixed to form a ... | 12/10/2002 |
| 6238634 | Process for the nondestructive heating and supply of hot ammonia or hot ammonia containing feed gas A process for nondestructive heating and supplying of ammonia feed gas wherein high quality ammonia (typically greater than 90% and as high as 99%) is preserved at temperatures well in excess of the conventional limit of 230° C. (typically from 400 to 70... | 05/29/2001 |
| 6096173 | Method of producing hydrogen cyanide A method of producing hydrogen cyanide by the gas-phase reaction of methane with ammonia at elevated temperature and an ammonia/methane ratio of 1.001 to 1.1. The conducting of the gaseous reaction mixture through a corona discharge causes the reaction to... | 08/01/2000 |
| 5817286 | Processes for the synthesis of hydrogen cyanide Processes for the production of hydrogen cyanide from the reaction of methane with ammonia at temperatures above about 800° C. where the reactor contains a matrix bed of heat resistant materials. The product stream produced within the reactor is preferab... | 10/06/1998 |
| 5360603 | Packed bed arrangement useful for mixing and/or oxidation The present invention relates to processes and apparatus for mixing oxidizable reactants with oxidant and/or oxidizing oxidizable reactants. Through using particular mixing and/or oxidizing arrangements, the risk of flammable or explosive reactions can be... | 11/01/1994 |
| 5356603 | Method for the production of hydrocyanic acid using a corrugated catalyst This invention is a method for producing hydrocyanic acid by using an element which comprises a foraminous structure fabricated from a material consisting essentially of a metal selected from the group consisting of platinum, rhodium, palladium and alloys... | 10/18/1994 |
| 5266291 | Packed bed arrangement for oxidation reaction system The present invention relates to processes and apparatus for mixing oxidizable reactants with oxidant and oxidizing oxidizable reactants. When ammonia is used as the reactant, nitric acid can be obtained. Through using particular mixing and oxidizing arra... | 11/30/1993 |
| 4853190 | Process & apparatus for the production of hydrogen cyanide There is obtained an increase in the throughput in the known BMA furnace or a BMA furnace chamber without changing the construction and dimensions already present by changing the lower part of the cooling head into a short tubular heat exchanger while mai... | 08/01/1989 |
| 4808475 | Highly electroconductive graphite continuous filament and process for preparation thereof A highly electroconductive graphite continuous filament is described, which is composed of a carbon filament as a substrate and a graphite layer having a layer spacing d (0,0,2) of not larger than 3.363 angstroms as an outer skin layer The graphite contin... | 02/28/1989 |
| 4320104 | Process for the production of hydrogen cyanide By introducing the reaction gas mixture of hydrocarbons and ammonia at increased velocity through an inlet tube with one or more openings in a customary reaction tube in the hydrocyanic acid-methane-ammonia (BMA) process the yield of HCN is increased cons... | 03/16/1982 |
| 4317808 | Process for the production of hydrogen cyanide For the reduction of the ammonia content in the product gas of the hydrocyanic acid-methane-ammonia (BMA) process and accordingly to increase the yield the reaction gas mixture of this process is brought into contact with zeolite and the ammonia thereafte... | 03/02/1982 |
