51
Marion Charles P, Schlinger Warren G, Slater William L: Methane production. Texaco, January 9, 1973: US3709669 (29 worldwide citation)

Process for the production of a methane-rich gas stream from a hydrocarbonaceous feedstock with all steps being carried out at or slightly above the desired pressure of delivery. Effluent gas from a free-flow partial-oxidation synthesis-gas generator, and preferably containing from about 10-26 volum ...


52
Bartholome Ernst, Schmidt Hans Wilhelm, Friebe Juergen: Process for removing carbon dioxide from gas mixtures. Badische Anilin & Soda Fabrik Aktiengesellschaft, November 23, 1971: US3622267 (29 worldwide citation)

Separation of carbon dioxide and hydrogen sulfide from gases by scrubbing the gases with a 2.5 to 4.5 molar aqueous solution of methydiethanolamine at a temperature of from 70.degree. to 110.degree. C. From 0.1 to 0.4 mole of monomethylmonoethanolamine is also added to the solution for the removal o ...


53
Mayeur Vincent, Vergel César, Mariette Laurent: (Fr) Procede dhydrotraitement dune charge gazole, reacteur d hydrotraitement pour la mise en œuvre dudit procede, et unite dhydroraffinage correspondante, (En) Process for the hydrotreatment of a gas-oil feedstock, hydrotreatment reactor for implementing said process, and corresponding hydrorefining unit. Total Raffinage Marketing, Mayeur Vincent, Vergel César, Mariette Laurent, CABINET JOLLY, January 31, 2008: WO/2008/012415 (28 worldwide citation)

(EN) The invention relates to a process for the catalytic hydrotreatment of a feedstock derived from petroleum, of the gas-oil type, in at least one fixed-bed hydrotreatment reactor for the production of gas-oil, characterized in that vegetable oils and/or animal fats in an amount of about 30% by we ...


54
Adolf Linke, Werner Pohl, Karl Schmid, Rolf Wetzel: Process for working up municipal plastic waste materials by gasification. Krupp Koppers, Michael J Striker, November 28, 1995: US05470361 (27 worldwide citation)

In the process for gasification of municipal waste plastic waste material pieces of about a 20 mm piece size are compressed and heated at a pressure of from 40 to 80 bar until at a temperature of from 230.degree. to 300.degree. C. to produce an HCl-containing gas and a plastic waste material contain ...


55
Edward T Child, William L Lafferty Jr, Robert M Suggitt, Frederick C Jahnke: Process for producing dry, sulfur-free, CH.sub.4 -enriched synthesis or fuel gas. Texaco, James J O Loughlin, Albert Brent, August 3, 1993: US05232467 (27 worldwide citation)

Cryogenic liquefied natural gas (LNG) is used as a source of refrigeration and methane in the production of dry sulfur-free, methane-enriched synthesis gas or fuel gas. Raw syngas is indirectly and directly contacted with cryogenic liquefied natural gas (LNG) and cooled thereby below the dew point. ...


56
Thomas R Kincaid: Pie segment shaped flammable artificial firelog. DG Shelter Products Company, Flehr Hohbach Test Albritton & Herbert, January 6, 1981: US04243394 (27 worldwide citation)

An artificial composite flammable firelog of generally pie segment shaped transverse cross section configuration including perpendicular flat sides interconnected by a convex third side. The log is preferably formed of a wax and wood particle composite. It may include fire retardant on the flat side ...


57
Eickmeyer Allen G: Method and compositions for removing acid gases from gaseous mixtures and reducing corrosion of ferrous surface areas in gas purification systems. Schmidt Johnson Hovey & Williams, July 22, 1975: US3896212 (27 worldwide citation)

The invention relates to an absorption desorption composition and process employing said composition for selectively removing acidic gases, particularly carbon dioxide (CO.sub.2) and hydrogen sulphide (H.sub.2 S) from gaseous mixtures, said composition comprising an aqueous solution containing a maj ...


58
Process and apparatus for recovering ammonia. Normandie Ste Metallurgique, June 21, 1961: GB871207-A (27 worldwide citation)

Ammonia is recovered from ammonia-containing gas by scrubbing the gas with a solution of ammonium bicarbonate to absorb the ammonia and saturating the resulting scrubbing solution with CO2 to precipitate NH4HCO3 which is recovered. Gases containing ammonia, e.g. coke oven gases, enter the base of ch ...


59
Christiansen Steven H, Chang Dane, Wilson David A: Process for absorption of sulfur compounds from fluids using heterocyclic compounds having at least one ring nitrogen atom.. Dow Chemical, February 19, 1992: EP0471591-A2 (26 worldwide citation)

Sulfur dioxide is removed from a fluid containing SO2 by employing as an absorbent for the SO2 an aqueous solution of a compound represented by Formula I: wherein X is -O-, -NR-, or -N=; each Y is independently -(CR2)-, -(C=O)-, -O-, -NR-, -N=, or -C(R)=; each R or R is independently hydrogen; an al ...


60
James R Muenger, Edward T Child, Albert Brent: Method for the production of cleaned and cooled synthesis gas. Texaco Development Corporation, Carl G Ries, Robert A Kulason, Albert Brent, May 4, 1982: US04328008 (26 worldwide citation)

The hot raw synthesis gas stream leaving the reaction zone of a free flow partial oxidation gas generator at a temperature in the range of about 1800.degree. to 3000.degree. F. is passed through a first gas diversion and residue separation zone where the velocity of the gas stream is reduced and its ...