• Coffee Husk as Feldspar Substitute in the Manufacture of Enameled Ceramic Tile 

      Sarabia Guarin, Alejandra; RAMIREZ DELGADO, ROSA PATRICIA; Sanchez Molina, Jorge (Ciencia e Ingeniería NeogranadinaColombia, 2020-12-09)
      This study researches the effect of adding coffee husk (ch) and coffee husk ash (cha) as partial feldspar substitutes to the manufacture of enameled ceramic tiles. Clays and other paste additives were ...