Matheson Tri-gas, Inc.

Praveen Jha

Joseph V Vininski

Robert Torres, Jr

Carrie L Wyse

Mark Raynor

Andrew Millward

Tadaharu Wantanbe

Dan Davia

Methods and systems of purifying an acetylene process gas are described. The methods may include the steps of providing an acetylene vessel containing source acetylene mixed with a solvent impurity, and flowing the source acetylene through a purification container that holds a cooled purifying medium, where at least a portion of the solvent impurity in the source acetylene separates as a liquid impurity on the purifying medium. The method may also include removing the liquid from the purification container and flowing a purified acetylene gas from the purification container. The purified acetylene gas has a concentration of the solvent impurity of about 5 vol. % or less, and the separated liquid impurity is removed without interrupting the flow of the acetylene while the purified acetylene gas flows from the purification container to keep the concentration of the solvent impurity substantially constant in the purified acetylene gas.

Acetylene process gas purification methods and systems

A method of reducing moisture in a fluorine-containing gas is described. The method may include the steps of providing a purifier material that includes elemental carbon, and flowing the unpurified fluorine-containing gas having an unpurified moisture concentration over or through the carbon-based purifier material. At least a portion of the moisture is captured in the purifier material so that a purified fluorine-containing gas that emerges downstream of the purifier material has a reduced moisture concentration that is about 50% or less of the unpurified moisture concentration.

Purification of fluorine containing gases and systems and materials thereof

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Longmont, CO, United States of America

Praveen Jha