Machines or mechanical apparatus for separating or purifying industrial process gases on an adsorptive basis, generating alternating pressure conditions, in particular generating gaseous hydrogen, carbon dioxide, methane, helium, oxygen or nitrogen; adsorption modules for industrial process gases with pressure regulators; industrial adsorption installations for process gases with the aforesaid adsorption modules and machines for pressure build-up; apparatus for purifying or separating or industrial process gases on an adsorptive basis, generating alternating temperature and/or pressure conditions, in particular generating gaseous hydrogen, carbon dioxide, methane, helium, oxygen or nitrogen; industrial adsorption installations for process gases with adsorption modules and apparatus for temperature regulation of gases.

Installation, cleaning, repair, maintenance work for machines and apparatus for separating or purifying industrial process gases on an adsorptive basis, in particular installation of spare parts, removal and exchange of adsorber materials, commissioning, retrofitting, conducting of the aforesaid work at the location of the aforesaid machines and apparatus.

Alumina, high purity alumina, aluminium compounds and salts including high purity compounds and salts containing aluminium; chemical materials for use in the manufacture of electrodes including cathodes; chemical materials for use in the manufacture of electrodes including anodes; chemical materials for use in the manufacture of batteries; all of the aforementioned goods being used in industry and science

Treatment of materials including hydrometallurgical processing of aluminium-bearing materials; preparation of chemical materials for use in the manufacture of cathodes; preparation of chemical materials for use in the manufacture of anodes; preparation of chemical materials for use in the manufacture of batteries.