HEV •  Halwachs Edelmetallchemie und Verfahrenstechnik
D-63571 Gelnhausen · Rhönstraße 106 · phone 0049-6051-968928 · fax -968929
email : HEV@halwachs.de  ·  internet : www.halwachs.de   ·  where we are

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Willkommen bei HEV +++++ welcome on the site of HEV +++++ think beyond tomorrow ! +++++ HEV is the global precious metals refining consultant (know-how, technology, engineering & services) and offers selected chemicals +++++

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precious metals refining know-how, technology, engineering & services

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 recovery from aqua regia effluents by an organic precipitant PtPd trace values recovery from refinery effluens 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 waste ·  spent catalytic converter ceramic ·  electrolytic fine gold ·  qr code

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

why making the same time consuming r&d experience like others before ? save time and money - rely on HEV proven technology !

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publications · solvent extraction basics · reactive extraction fundamentals

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