US2002117450A1PendingUtilityA1

Composition and process for removing moisture from hydrogen halides

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Assignee: MYKROLIS CORPPriority: Jul 29, 1997Filed: Apr 24, 2002Published: Aug 29, 2002
Est. expiryJul 29, 2017(expired)· nominal 20-yr term from priority
Inventors:Mackenzie King
B01D 2253/308B01J 20/3204B01J 20/3071B01J 20/28078B01J 20/046B01J 20/3078C02F 1/288B01D 2253/10B01D 53/261C02F 1/283B01J 20/3236C01B 7/0718B01J 20/20B01D 53/263
44
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Claims

Abstract

A composition comprising a magnesium halide coated macroporous carbonaceous substrate is provided for effecting moisture removal from a hydrogen halide fluid. Moisture removal is effected by intimately contacting the hydrogen halide fluid with the magnesium halide coated macroporous carbonaceous substrate and separating the fluid from the coated substrate.

Claims

exact text as granted — not AI-modified
1 . A composition suitable for effecting removal of water from a hydrogen halide fluid which comprises a macroporous carbonaceous support coated with a magnesium halide.  
     
     
         2 . The composition of  claim 1  wherein said magnesium halide is magnesium chloride.  
     
     
         3 . The composition of  claim 1  wherein said magnesium halide is magnesium bromide.  
     
     
         4 . The composition of  claim 1  having a water absorption capacity in excess of about 60 liters of water per liter of said composition.  
     
     
         5 . The composition of  claim 2  having, a water absorption capacity in excess of about 60 liters of water per liter of said composition.  
     
     
         6 . The composition of  claim 3  having a water absorption capacity in excess of about 60 liters of water per liter of said composition.  
     
     
         7 . The process for removing moisture from a hydrogen halide fluid which comprises intimately contacting said fluid with a macroporous carbonaceous support coated with a magnesium halide and separating said fluid from said coated support.  
     
     
         8 . The process of  claim 7  wherein said magnesium halide is magnesium chloride.  
     
     
         9 . The process of  claim 7  wherein said magnesium halide is magnesium bromide.  
     
     
         10 . The process of  claim 7  wherein said hydrogen halide is a gas.  
     
     
         11 . The process of  claim 8  wherein said hydrogen halide is a gas.  
     
     
         12 . The process of  claim 9  wherein said hydrogen halide is a gas.  
     
     
         13 . The process of  claim 7  wherein said hydrogen halide is a liquid.  
     
     
         14 . The process of  claim 8  wherein said hydrogen halide is a liquid.  
     
     
         15 . The process of  claim 9  wherein said hydrogen halide is a liquid.

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