Abstract: This invention provides a de-molding system of ceramic parts manufactured by freeze-casting comprising a mold (9), wherein the mold (9) comprises an upper opening (95) and a lower opening (94), wherein the upper opening (95) is adapted to receive a colloidal suspension (92), and one of the openings is adapted to allow the passage of a manufactured ceramic part (92), characterized by comprising at least one main de-molding element (80) adapted to actuate a ceramic part manufactured (92) through an opening in the mold (9). In addition, the invention provides a mold cooling system for the manufacturing of ceramic parts by freeze-casting comprising: a source (1) of cooling gas; a cooling gas cooling medium (7) fluidically connected to the cooling gas source (1); and a cooling cell (5), fluidly connected to the cooling gas cooling medium (7), comprising a mold (9) in its interior, wherein the cooling cell (5) comprises a refrigerated cooling gas injection opening.

Abstract: Provided is a mold cooling system for the manufacturing of ceramic parts by freeze-casting including: a source (1) of cooling gas; a cooling gas cooling medium (7) fluidically connected to the cooling gas source (1); and a cooling cell (5), fluidly connected to the cooling gas cooling medium (7), including a mold (9) in its interior, wherein the cooling cell (5) includes a refrigerated cooling gas injection opening. Thus, a mold cooling system is provided for the manufacturing of ceramic parts by freeze-casting including the stages of: refrigerating a cooling gas coming from a cooling gas source (1); and injecting a cooling gas that is refrigerated in a cooling cell (5) including a mold (9) in its interior.

Abstract: The present invention relates to a method of synthesis of zeolitic LTA adsorbents containing intercrystalline mesoporosity and controlled particle size, which can, for example, be used in natural gas dehydration processes, seeking to comply not only with the specifications on moisture content in the natural gas, but also improving the efficiency of the gas drying process in regard to the adsorption kinetics, not compromising the adsorption capacity, water selectivity, and the regeneration cycles of the adsorbent. Another possible application of these compounds is as the support for catalysts for oil refining processes. The method of obtaining the zeolitic adsorbent solids, the purpose of this invention, consists of including an aging step of the reaction mixture in conjunction with the addition of N,N-dimethyl-N-[3-(trimethoxysilane)propyl]octadecyl ammonium chloride (TPOAC) to the reaction mixture.

Abstract: The present invention deals with a method for obtaining membranes in the form of hollow fibers with application in the field of carbon dioxide removal from natural gas. The aforementioned membranes are obtained by means of heat treatment of polymeric membranes. In this method, polymeric membranes are obtained by a phase-inversion technique by immersion-precipitation and are subsequently subjected to a heat treatment, that is, that the membranes effectively become precursor membranes of the heat treatment. The heat treatment process involves the optimization of the heating rate, temperature, and stabilization time variables, aiming at the improvement of the transport properties of the polymeric membranes. After the heat treatment, it becomes possible to use the membranes in separation processes of gases which operate at pressures greater than 30 bar, with selectivity for carbon dioxide (CO2).

Abstract: This invention provides a de-molding system of ceramic parts manufactured by freeze-casting comprising a mold (9), wherein the mold (9) comprises an upper opening (95) and a lower opening (94), wherein the upper opening (95) is adapted to receive a colloidal suspension (92), and one of the openings is adapted to allow the passage of a manufactured ceramic part (92), characterized by comprising at least one main de-molding element (80) adapted to actuate a ceramic part manufactured (92) through an opening in the mold (9). In addition, the invention provides a mold cooling system for the manufacturing of ceramic parts by freeze-casting comprising: a source (1) of cooling gas; a cooling gas cooling medium (7) fluidically connected to the cooling gas source (1); and a cooling cell (5), fluidly connected to the cooling gas cooling medium (7), comprising a mold (9) in its interior, wherein the cooling cell (5) comprises a refrigerated cooling gas injection opening.