METHOD AND APPARATUS FOR POLYMER DRYING USING INERT GAS
Method and apparatus for drying granular resin material by heating compressed air to a temperature prescribed for gas separation membrane operation, presenting the heated compressed air to a membrane separating out oxygen-size and smaller molecules to provide a stream of gas molecules of at least ni...
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| creator | WASHBURN, Gregory Michael BESSEMER, Conrad HAYNIE, Mark BLUDIS, Thomas Trevor |
| description | Method and apparatus for drying granular resin material by heating compressed air to a temperature prescribed for gas separation membrane operation, presenting the heated compressed air to a membrane separating out oxygen-size and smaller molecules to provide a stream of gas molecules of at least nitrogen-size at a pressure substantially that of the compressed air, heating the stream of gas molecules of at least nitrogen-size to a temperature at which dew point of the stream is no higher than −40 degrees F., and introducing the heated stream of gas molecules into a chamber for upward flow to atmosphere through granular resin material in the chamber. |
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| subjects | BLASTING DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM HEATING LIGHTING MAKING GRANULES OR PREFORMS MECHANICAL ENGINEERING PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | METHOD AND APPARATUS FOR POLYMER DRYING USING INERT GAS |
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