Industrial chemicals; chemicals for use in refining hydrocarbons; chemicals for removing impurities from gases; chemical cleaning agents for use in industrial manufacturing processes; chemical gas purifying agents; oil-purifying chemicals; chemical substances, chemical materials and chemical preparations; chemicals used in the manufacture of catalysts; catalysts; biochemical catalysts; catalysts for refining hydrocarbons; chemical catalysts for use in synthesis gas and olefin purification; cracking catalysts for use in the petroleum industry; catalysts for cracking hydrocarbons; catalyst support; inorganic oxide catalyst supports; catalysts to limit hydrocarbon emissions; catalysts for use in industrial processes; chemical adsorbents; chemical adsorbents to remove catalyst poisons; oxides; oxides of metal; modified metal oxides for industrial use; bauxite; alumina; aluminum oxides for the adsorption of catalyst poisons; modified aluminum oxides for the adsorption of catalyst poisons; aluminium oxide; chemical adsorbents for removing contaminants from fuel; engineering ceramics and composites for heat transfer or thermal management applications; chemical adsorbents for removing catalyst poisons from hydrocarbons; chemical adsorbents for removing catalyst poisons from a hydrocarbon stream; chemical adsorbents for removing catalyst poisons from a heavy oil stream; chemical adsorbents for removing catalyst poisons from refinery process streams