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    STUDIA PHYSICA - Issue no. SPECIAL ISSUE / 2001  
         
  Article:   STUDIES OF ADSORPTION METHODS FOR HYDROGEN ISOTOPES STORAGE ON ZEOLITIC SIEVES.

Authors:  ION CRISTESCU, IOANA CRISTESCU, FELICIA VASUT, SEBASTIAN BRAD. 		 
       
         
  Abstract:  Molecular sieves and active carbon were used for the hydrogen isotope adsorption. The adsorption process occurred at liquid nitrogen temperature. The commercial zeolites have the same properties as natural zeolites, but they have a regular pore structure. They also have affinity for molecules with different size and defined shapes. Experimental results obtained at liquid nitrogen (77.4K) revealed the efficiency of the active carbon and zeolitic sieves for temporary storage of hydrogen isotopes. The storage of hydrogen isotopes in hydride form is considered being very practical from the point of view of a large storage capacity. The reason for this is that the reaction between hydrogen isotopes and many hydrides forming metals is spontaneous at room temperature yielding hydrides of low dissociation pressure at the ambient temperature.  
         
     
         
         
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