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Black & Veatch Corporation

Kps Technology & Engineering LLC

David K Stevens

Peter D Clark

David A DeGood

Mark R Tonjes

Justin A Lamar

Alan D Mosher

Kevin M Robertson

Lindsay D Dreitzler

Lindsay Wedel Dreitzler

A method and apparatus for degasification of Claus-derived sulfur by the use of gas-liquid eductor using the liquid sulfur as the ejector motive force and ambient sweep air as the active degassing agent combined with a static mixer and packed bed for promoting the intimate contact of the air and the sulfur.

Method and apparatus for degasification of claus-derived sulfur

A method for producing hydrogen from a light hydrocarbon gas with the hydrocarbon gas being converted to particulate carbon and hydrogen and thereafter quenched with liquid sulfur with the purified hydrogen being recovered as a product.

Method for producing hydrogen

A method for producing sulfur and energy from an acid gas stream containing hydrogen sulfide by partially combusting the acid gas stream to produce a combustion product gas, mixing a sulfur dioxide stream with the combustion product gas, separating sulfur from the mixture, combusting sulfur to produce sulfur dioxide and heat energy and passing at least a portion of the sulfur dioxide to the combustion product gas.

Method for energy recovery from hydrogen sulfide

A system and a method for increasing the selectivity of HS absorption in an aqueous amine treating processes for streams containing high CO:HS ratio mixtures in an absorption column by maintaining the temperature in the absorption column by withdrawing, cooling and returning cooled aqueous amine to the column at at least one location intermediate the sour gas inlet to the column and the lean gas outlet from the column.

Method and system for increasing the absorption selectivity of H2S from a gas containing CO2 and H2S

An improved drive unit for accumulation live roller conveyors utilizing frictional engagement of a radial surface provided on drive wheels against the rollers is described. The drive unit includes multiple drive wheels each functioning to rotate two rollers simultaneously and each provided with a radial frictional drive surface which engages the rollers. The drive wheels are rotatably mounted in spaced and aligned relation on a support bar and the support bar is arcuately pivotable on a frame supporting the rollers towards the roller surfaces in order to selectively bring the radial drive wheel surfaces into contact with the roller surfaces.

Accumulation live roller conveyor

A live roller conveyor is described of the type which can accumulate conveyed articles on a pass line. Article accumulation is usually automatically achieved on the pass line by disconnecting pre-selected rollers from a power source. The power source for a driven roller includes a drive wheel moveably mounted on the frame supporting the rollers and having a radial drive surface which is rotatably mounted on a shaft having its longitudinal axis spaced from the longitudinal axis of the roller such that the drive surface can be moved into frictional engagement with an end surface of a roller to rotate the roller. The drive surface on the drive wheel is preferably in the form of a tensioned belt which extends around a portion of the circumference of the drive wheel and around a spaced apart rotatable drive shaft for rotation of the drive wheel.

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Prairie Village, KS, United States of America

David K Stevens