Michael Riebensahm

Method and device for extracting non-magnetic ores

System for the transport of an ore pulp in a line system located along a gradient and components of such a system

Bitumen extracting method, involves applying two-stage flotation process in single column cell, bringing gas in contact with bituminous pulp, and utilizing base and post-flotation chambers

METHOD FOR REMOVING SULPHATE AND HEAVY METALS FROM WASTE WATER

Method and device for eliminating foreign matters present in dissolved form from waste water

Verfahren zur Regelung des Betriebszustandes einer Flotationszelle und Flotationszelle

Anlage zum Transportieren einer Erzpulpe in einem entlang einer Gefällstrecke angeordneten Leitungssystem sowie Komponenten einer solchen Anlage

Process and device for purifying water contaminated with sulphate ions and heavy metal ions

Cleaning process for water polluted with sulfate and heavy metal ions involves adding cleaning substance to reduce concentration so that ions are precipitated

Verfahren zur entfernung von sulfat und schwermetallen aus abwasser