Wir beraten Sie im Recycling von Gold, Silber, Platin, Palladium, Rhodium, Iridium, Ruthenium, Osmium und Rhenium; offerieren Dienstleistungen im Bereich Engineering, Probenahme, Analysenaustausch und liefern Chemiekalien für die Solventextraktion von Palladium und Gold	We provide precious metal know-how, engineering, training, services on sampling, monitoring, contracting, assay exchange and specific equipment, help you solving your refining problems and provide chemicals for the refining of palladium and gold by solvent extraction	intro

wählen Sie ein Thema aus dem Menu / please select an item from the menu below ~~~~~~~~~~~~~~~~~~~~ HEV CONSULTING ~~~~~~~~~~~~~~~~~~~~ aqua regia gold refining of mine gold, jewellery gold and dental scrap (Au Ag Pt Pd separation) gold refining by solvent extraction - the HAUREX process Erfahrungshorizont der Beratung HEV news Königswasserscheidung von Altgold, Dentalgold und Minenkonzentraten (4-Metall Scheidung) industrial activities / expertise know how and engineering on precious metals refining; overview Patent Reduktion von AgCl mit Glucose / reduction of silver chloride by glucose Patent Elektrowinning von Platinmetallen / electrowinning of platinum group metals precious metal chemicals know how  precious metals refining know how  precious metals refining from matte concentrates  Rhodium precipitation by an organic ligand PtPdIr trace precipitation by an organic ligand PtPd trace values recovery by solvent extraction Publikationsliste / list of publications reactive extraction theory (sorry, German version) scraps, jewellery dental electronic solvent extraction basics (platinum group metals) spent autocatalyst / catalytic converter / pgm scrap ceramic concentrate supply spent ethylene oxide process catalyst (Ag) refining wo ist HEV ? where we are what we are looking for - can you help us ? ~~~~~~~~~~~~~~~~~~~~~ HEV CHEMICALS ~~~~~~~~~~~~~~~~~~~~ Biochemikalien; biochemicals Enzyme & Proteine; enzymes and proteines Industriechemikalien; industrial chemicals Metallchemikalien; metal chemicals Pharmachemikalien; pharmaceutical chemicals Überschüssige Chemikalien; surplus chemicals

  Dr.W.Halwachs ·  jewellery scrap ·  electronic scrap ·  electrolytic fine gold ·  petroleum reforming catalyst ·  spent catalytic converter cut by collector ·  spent catalytic converter ceramic

consulting engineering refining services personal background technology & know-how industrial activities / expertise HEV is owned and run by Prof.Dr.Werner Halwachs