1
Richard L Gay, Arthur L Kohl, Samuel J Yosim: Destruction of halogen-containing materials. Rockwell International Corporation, Henry Kolin, Michael A Kondzella, H Fredrick Hamann, May 8, 1984: US04447262 (47 worldwide citation)

An organic waste containing halogen is destroyed by treatment in a molten salt pool comprising a mixture of a basic alkaline earth metal compound with an alkaline earth metal halide. An oxygen-containing gas is introduced into the pool containing the waste to produce a gaseous combustion product and ...


2
Arthur L Kohl: Gasification of black liquor. Rockwell International Corporation, H Fredrick Hamann, Harry B Field, Clark E DeLarvin, July 28, 1987: US04682985 (40 worldwide citation)

A concentrated aqueous black liquor containing carbonaceous material and alkali metal sulfur compounds is treated in a gasifier vessel containing a relatively shallow molten salt pool at its bottom to form a combustible gas and a sulfide-rich melt. The gasifier vessel, which is preferably pressurize ...


3
Arthur L Kohl: Absorption of sulfur oxides from hot gases. Rockwell International Corporation, L Lee Humphries, Henry Kolin, Clark E DeLarvin, April 15, 1980: US04198380 (25 worldwide citation)

A process for removing sulfur oxides from a hot gas by sequential absorption of the sulfur oxides in two zones. In each zone the hot gas is contacted with an aqueous scrubbing medium which may be a solution or slurry containing an absorbent for the sulfur oxides. The absorbent is selected from the g ...


4
Arthur L Kohl: Black liquor gasification process. Rockwell International Corporation, H F Hamann, Harry B Field, Clark E DeLarvin, September 27, 1988: US04773918 (19 worldwide citation)

A process for recovering the energy and chemical content of an aqueous black liquor utilizing a reactor containing a drying zone located above a gasification zone. The reactor contains a bed of porous solid carbonaceous material in the gasification zone. Heat losses are restricted, preferably from b ...


5
Arthur L Kohl, Thomas T Shimazaki, William B Suratt: Direct contact multi-stage flash desalination. The United Sates of America represented by the Secretary of the Interior, Gersten Sadowsky, Donald R Fraser, April 6, 1976: US03948734 (14 worldwide citation)

A multi-stage flash, direct contact condensation method and apparatus for purifying brine is disclosed which eliminates costly apparatus previously required while maintaining adequate volume to efficiently produce potable water by use of gravity fed sprays of condensate upon which previously flashed ...


6
Arthur L Kohl: Filtering method and apparatus therefor. Rockwell International Corporation, Clark E DeLarvin, Henry Kolin, November 23, 1982: US04360364 (11 worldwide citation)

A method of and apparatus for removing particulate contaminants from a gaseous stream. Broadly, the apparatus comprises a housing containing a substantially vertical granular material retention member having upstream and downstream faces, a substantially vertical microporous gas filter element, said ...


7
George L Bauerle, Arthur L Kohl: Process for removal of sulfur oxides from hot gases. Rockwell International Corporation, Henry Kolin, Clark E DeLarvin, H Fredrick Hamann, September 18, 1984: US04472364 (10 worldwide citation)

A process for the removal of sulfur oxides from two gas streams containing the same. One gas stream is introduced into a spray dryer zone and contacted with a finely dispersed spray of an aqueous medium containing an absorbent for sulfur oxides. The aqueous medium is introduced at a controlled rate ...


8
Arthur L Kohl, Albert E Stewart: Chemical recovery process using break up steam control to prevent smelt explosions. Rockwell International Corporation, H Fredrick Hamann, Harry B Field, Clark E DeLarvin, August 2, 1988: US04761204 (9 worldwide citation)

An improvement in a chemical recovery process in which a hot liquid smelt is introduced into a dissolving tank containing a pool of green liquor. The improvement comprises preventing smelt explosions in the dissolving tank by maintaining a first selected superatmospheric pressure in the tank during ...


9
Jaime P Ampaya, Laszlo A Heredy, Arthur L Kohl: Hydrocarbon treatment process. Rockwell International Corporation, Henry Kolin, Clark E DeLarvin, H Fredrick Hamann, December 20, 1983: US04421631 (5 worldwide citation)

The present invention provides a process for upgrading a hydrocarbon material in the presence of a molten salt in a manner which reduces the requirements for expensive ceramic materials to withstand the corrosive nature of the salt. A molten salt containing carbon is introduced into a heat generatio ...


10
Arthur L Kohl, Robert D Rennick, Martin W Savinsky: Method of treating alkali metal sulfide and carbonate mixtures. Rockwell International Corporation, L Lee Humphries, Henry Kolin, Clark E DeLarvin, April 11, 1978: US04083930 (4 worldwide citation)

A method of removing and preferably recovering sulfur values from an alkali metal sulfide and carbonate mixture comprising the steps of (1) introducing the mixture in an aqueous medium into a first carbonation zone and reacting the mixture with a gas containing a major amount of CO.sub.2 and a minor ...