S SILICA

Adsorbents for the drying and purification of gases, namely, activated carbon in granular form, activated carbon fibers, alumina gel, silica gel, desiccants, catalysts for the catalytic conversion of noxious gases

Metallic pipes and tubes and valves of metal, other than parts of machines

Power-operated blowers for compressing, sucking and transporting gases; pumps for machines for gases and liquids; valves and shut-off valves being parts of machines; heat exchanger being parts of machines; filter as part of machines for drying of liquids, air and gas, for machines for waste air purification, machines for natural gas conditioning and machines for gas purification

Hygrometer for gases and liquids; concentration meter for the loading of adsorbents with contaminants

Plants for the drying and purification of air, technical gases, natural gases, synthesis gases, biogases, liquefied gases, and organic liquids by adsorption on adsorbents such as activated carbon, activated carbon fibers, silica gel, alumina gel, and desiccants consisting primarily of electric heaters, electric coolers, separators, metered valves and also comprised of vessels for containing said gases and liquids and adsorbents, power operated blowers, heat exchangers, pumps, air strippers, connecting pipes, fittings, namely, taps, valves, shut-off valves, digitizers, for the purpose of drying and purification of the abovementioned media, all sold as a unit; plants for exhaust air purification and solvent recovery consisting primarily of electric condensate coolers, metered valves and separators and also comprised of activated carbon adsorbers, pumps, power-operated air blowers, air strippers, heat exchangers, connecting pipes, fittings, namely, taps, valves and shut-off valves, digitizers for the purpose of purification of exhaust air and solvent recovery, all sold as a unit; plants for the catalytic purification of process gases, consisting primarily of plants for catalytic combustion of process gases on catalysts of precious metals or chemisorption on copper contacts, electric heaters, electric coolers, and also comprised of heat exchangers, power-operated blowers, connecting pipes, fittings, namely, taps, valves and shut-off valves, digitizers for the purpose of removal of oxygen, carbon monoxide, hydrogen compounds and hydrocarbon compounds from the aforementioned gases, all sold as a unit; plants for the purpose of drying and purification the abovementioned media primarily consisting of industrial drying machines and separators for the purification of liquids and gas; respirator filters for air drying for industrial installations; air purification units; separators for purification of gases; drying apparatus for chemical processing

Installations and repair of plants for the drying and purification of air, technical gases, natural gases, synthesis gases, biogases, liquefied gases, and organic liquids by adsorption on adsorbents such as activated carbon, activated carbon fibers, silica gel, alumina gel, and desiccants consisting primarily of vessels for containing said gases and liquids and adsorbents, electric heaters, electric coolers, separators, metered valves and also comprised of power operated blowers, heat exchangers, pumps, air strippers, connecting pipes, fittings, namely, taps, valves, shut-off valves, digitizers, for the purpose of drying and purification of the abovementioned media, all sold as a unit, plants for exhaust air purification and solvent recovery consisting primarily of electric condensate coolers, metered valves and separators and also comprised of activated carbon adsorbers, pumps, power-operated air blowers, air strippers, heat exchangers, connecting pipes, fittings, namely, taps, valves and shut-off valves, digitizers for the purpose of purification of exhaust air and solvent recovery, all sold as a unit, plants for the catalytic purification of process gases, consisting primarily of plants for catalytic combustion of process gases on catalysts of precious metals or chemisorption on copper contacts, electric heaters, electric coolers, and also comprised of heat exchangers, power-operated blowers, connecting pipes, fittings, namely, taps, valves and shut-off valves, digitizers for the purpose of removal of oxygen, carbon monoxide, hydrogen compounds and hydrocarbon compounds from the aforementioned gases, all sold as a unit, plants for the purpose of drying and purification the abovementioned media, respirator filters for air drying for industrial installations, air purification units, separators for purification of gases, drying apparatus for chemical processing

Design and development of plants for the drying and purification of air, technical gases, natural gases, synthesis gases, biogases, liquefied gases, and organic liquids by adsorption on adsorbents such as activated carbon, activated carbon fibers, silica gel, alumina gel, and desiccants consisting primarily of vessels for containing said gases and liquids and adsorbents, electric heaters, electric coolers, separators, metered valves and also comprised of power operated blowers, heat exchangers, pumps, air strippers, connecting pipes, fittings, namely, taps, valves, shut-off valves, digitizers, for the purpose of drying and purification of the abovementioned media, all sold as a unit, plants for exhaust air purification and solvent recovery consisting primarily of electric condensate coolers, metered valves and separators and also comprised of activated carbon adsorbers, pumps, power-operated air blowers, air strippers, heat exchangers, connecting pipes, fittings, namely, taps, valves and shut-off valves, digitizers for the purpose of purification of exhaust air and solvent recovery, all sold as a unit, plants for the catalytic purification of process gases, consisting primarily of plants for catalytic combustion of process gases on catalysts of precious metals or chemisorption on copper contacts, electric heaters, electric coolers, and also comprised of heat exchangers, power-operated blowers, connecting pipes, fittings, namely, taps, valves and shut-off valves, digitizers for the purpose of removal of oxygen, carbon monoxide, hydrogen compounds and hydrocarbon compounds from the aforementioned gases, all sold as a unit, plants for the purpose of drying and purification the abovementioned