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


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

Dr.W.Halwachs · 25 years HEV · jewellery scrap · motherboard · electronic scrap · CuAg stamping scrap · slag from miller process · electrolytic fine gold · gold granulation · petroleum reforming catalyst · new catalytic converter · spent catalytic converter cut by collector · crushed catalytic converter ceramic · HEV qr code

HEV logo
HEV is owned and run by
Prof.Dr.Werner Halwachs


HEV •  Halwachs Edelmetallchemie und Verfahrenstechnik
D-63571 Gelnhausen · Rhönstraße 106 · phone 0049-6051-968928 · email: HEV@halwachs.de  ·  internet :  www.halwachs.de ·  AGB ·  IMPRESSUM

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