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| Number | Title | Issue Date |
| 7371308 | Method and plant for pyrolizing of hydrocarbon-containing waste products The invention describes a process and a plant for pyrolyzing hydrocarbon-containing waste products, in particular used tires or biowaste, in which the material to be pyrolyzed is introduced into a pyrolysis furnace and is pyrolyzed at 500° C. The significant factor... | 05/13/2008 |
| 5096463 | Gasifier adapted to generate activated carbon An improved gasification system, in which synthesis gas is produced through the operation of a fuel gas production bed comprising an upper layer (66) of organic input material, typically in the form of pellets or briquettes of substantially uniform size a... | 03/17/1992 |
| 4968407 | Sludge dewatering and destruction within a delayed coking process Wet refinery sludges are disposed of by feeding them into a delayed coking process. The sludge is fed to the blowdown drum of the delayed coking process and mixed with oil condensed from the coke drum overhead, and the resulting sludge-oil mixture is fed ... | 11/06/1990 |
| 4661123 | Kiln for treating bituminous schists A kiln having pyrolysis, gasification and cooling horizontal zones, divided over its height into vertical chambers by vertical dividing walls, and having flues with vents housed in the dividing walls and the walls of the outer enclosure for injecting reac... | 04/28/1987 |
| 4556458 | Apparatus for cooling, depressurizing, and moisturizing retorted oil shale An apparatus and process are provided for depressurizing, cooling, and, optionally, moisturizing retorted oil shale produced in an oil shale retort operated at superatmospheric pressure. Hot retorted oil shale particles are gravitated from the retort and ... | 12/03/1985 |
| 4409068 | Injector for calciner Combustion gas such as air, oxygen-enriched air or oxygen is introduced at an intermediate level in a vertical shaft kiln for the calcining of petroleum coke using a plurality of radially disposed combustion gas injectors. The injectors include means for ... | 10/11/1983 |
| 4407700 | Injector for calciner Combustion gas such as air, oxygen-enriched air or oxygen is introduced to a calcining zone at an intermediate level in a vertical shaft kiln for the calcining of petroleum coke utilizing a plurality of radially disposed combustion gas injectors and at le... | 10/04/1983 |
| 4373995 | Pyrolysis system utilizing pyrolytic oil recycle A pyrolysis process and system produces a solid residue and a clean, enriched fuel gas. In the process, the pyrolytic oil and filter cake are recycled in such a manner as to produce products of optimal value, and to minimize the need for servicing and dow... | 02/15/1983 |
| 4257848 | Apparatus for producing blast furnace coke by coal compaction The method of producing blast furnace coke by (1) compacting a finely divided coal wherein at least about 60% by weight of the coal has a diameter of less than about 1/8 inch to form a coal compact, which compact immediately after removal from the compact... | 03/24/1981 |
| 4012202 | Pyroscrubber A pyroscrubber for combustion of large carbon particles in a stream of waste gas, particularly the waste gas from a coke calcination furnace comprises a generally U-shaped combustion chamber having a first passage arranged parallel with (preferably above)... | 03/15/1977 |
| 3970526 | Closed tank coke car construction A coke oven discharge device for the closed discharge of coke from a horizontal row of coke ovens into a receiving bunker located alongside the ovens comprises a support frame which is mounted on an undercarriage for movement along a path alongside the ro... | 07/20/1976 |
| 3959084 | Process for cooling of coke Upon discharge from a coke oven, highly heated coke is cooled by charging the hot coke to a shaft cooler wherein it is contacted with an inert cooling gas to a temperature of between 600°-800°F, the coke then being discharged through a pressure retentio... | 05/25/1976 |
