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Class Information
Number: 201/17
Name: Distillation: processes, thermolytic > And refining char, e.g., desulfurizing coke
Description: Processes combined with the step of removing impurities from char.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7497929 |
Pyrolytic conversion of scrap tires to carbon products |
Mar. 3, 2009 |
| 7347052 |
Methods and systems for processing uncalcined coke |
Mar. 25, 2008 |
| 5827403 |
Method of designing and manufacturing a delayed coker drum |
Oct. 27, 1998 |
| 5728196 |
Process for waste thermolysis |
Mar. 17, 1998 |
| 5635147 |
Process of treating the gasification residue formed by the gasification of solid fuels in a fluidized bed |
Jun. 3, 1997 |
| 5478442 |
Treatment of petroleum cokes with a puffing inhibitor in a rotary calciner |
Dec. 26, 1995 |
| 5464876 |
Process for the recovery of valuable materials during the work-up of polyvinyl chloride |
Nov. 7, 1995 |
| 5393311 |
Method and apparatus for desulfurizing coal |
Feb. 28, 1995 |
| 5350431 |
Process for chemical desulfurization of coal |
Sep. 27, 1994 |
| 5302254 |
Process and plant for the thermolysis of industrial and/or urban waste |
Apr. 12, 1994 |
| 5262577 |
Method to convert refuse derived fuel into a combustible gas |
Nov. 16, 1993 |
| 5085764 |
Process for upgrading coal |
Feb. 4, 1992 |
| 5071515 |
Method for improving the density and crush resistance of coke |
Dec. 10, 1991 |
| 5059307 |
Process for upgrading coal |
Oct. 22, 1991 |
| 5007987 |
Method for producing needle coke |
Apr. 16, 1991 |
| 4983187 |
Method for preparing a high-concentration solids suspension in water |
Jan. 8, 1991 |
| 4946658 |
Addition of pyritic materials to feed mix for desulfurization of phosphogypsum |
Aug. 7, 1990 |
| 4894122 |
Continuous process for the desulphurization of carbonaceous residuals from distillation of petroleum using a plurality of fluidized beds |
Jan. 16, 1990 |
| 4888029 |
Desulfurization of carbonaceous materials |
Dec. 19, 1989 |
| 4886522 |
Process, for the desulfurization of coal |
Dec. 12, 1989 |
| 4875979 |
Treatment of petroleum cokes to inhibit coke puffing |
Oct. 24, 1989 |
| 4832701 |
Process for the regeneration of an additive used to control emissions during the combustion of high sulfur fuel |
May. 23, 1989 |
| 4804390 |
Process for removing mineral impurities from coals and oil shales |
Feb. 14, 1989 |
| 4764318 |
Process for the continuous coking of pitches and utilization of the coke obtained thereby |
Aug. 16, 1988 |
| 4752359 |
Method of producing active form coke |
Jun. 21, 1988 |
| 4743271 |
Process for producing a clean hydrocarbon fuel |
May. 10, 1988 |
| 4741741 |
Chemical beneficiation of coal |
May. 3, 1988 |
| 4738753 |
Method of producing carbonaceous bodies |
Apr. 19, 1988 |
| 4725337 |
Method for drying low rank coals |
Feb. 16, 1988 |
| 4718984 |
Apparatus for calcining coke |
Jan. 12, 1988 |
| 4701183 |
Process for removing sulfur from coal |
Oct. 20, 1987 |
| 4695290 |
Integrated coal cleaning process with mixed acid regeneration |
Sep. 22, 1987 |
| 4681598 |
Method of removing pyritic sulfur from coal |
Jul. 21, 1987 |
| 4678478 |
Method for desulfurization of coal |
Jul. 7, 1987 |
| 4661118 |
Method for oxidation of pyrite in coal to magnetite and low field magnetic separation thereof |
Apr. 28, 1987 |
| 4661240 |
Low sulfur coke using dispersed calcium |
Apr. 28, 1987 |
| 4640692 |
Process for the elimination of pyrite |
Feb. 3, 1987 |
| 4569678 |
Method for removing pyritic, organic and elemental sulfur from coal |
Feb. 11, 1986 |
| 4561859 |
Low temperature aqueous desulfurization of coal |
Dec. 31, 1985 |
| 4545859 |
Method for producing needle coke |
Oct. 8, 1985 |
| 4543104 |
Coal treatment method and product produced therefrom |
Sep. 24, 1985 |
| 4522626 |
Process for treating high-sulfur caking coals to inactivate the sulfur and eliminate caking tendencies thereof |
Jun. 11, 1985 |
| 4522628 |
Method for removing ash mineral matter of coal with liquid carbon dioxide and water |
Jun. 11, 1985 |
| 4521278 |
Method for producing needle coke |
Jun. 4, 1985 |
| 4519807 |
Carbonaceous solid fuel |
May. 28, 1985 |
| 4516980 |
Process for producing low-ash, low-sulfur coal |
May. 14, 1985 |
| 4511362 |
Fluidized bed desulfurization |
Apr. 16, 1985 |
| 4511459 |
Simultaneous coking of residual oil and partial gasification and desulfurization of coal |
Apr. 16, 1985 |
| 4497636 |
Process for removing sulfur from coal |
Feb. 5, 1985 |
| 4492588 |
Method for removing sulfur from fossil fuels |
Jan. 8, 1985 |
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