PetroChina Co. Ltd.—the publicly listed arm of state-owned China National Petroleum Corp. (CNPC)—has completed a project to retrofit an existing pressure-swing adsorption (PSA) unit at subsidiary CNPC ...
Shanxi Jincheng Anthracite Mining Group subsidiary Hubei Sanning Chemical Industry let a contract to Honeywell UOP to provide licensing for its proprietary Polybed pressure-swing adsorption technology ...
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