NEW CARBON-CARBONACEOUS COMPOSITES FOR CATALYSIS AND ADSORPTION

Properties, structural features, and basic principles for the synthesi s of some new carbon-carbonaceous composite materials (CCM) originatin g at the Boreskov Institute of Catalysis are discussed. The CCM are sy nthesized via chemical growth of carbon deposits in a pre-formed porou s carbon matrix. Among the CCM are: Sibunit produced by supporting pyr ocarbon (PC) on carbon black granules, carbon filaments (CFC) produced by decomposition of CH4 over Ni or Ni-Cu catalysts, CFC on Sibunit, C FC on ultradispersed diamond, and systems such as CFC/CFC, PC/CFC, etc . Basic mechanisms of structure and texture formation of CCM and some of their properties as adsorbents and catalyst supports are reported.