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HALWACHS Technische Beratung Chemie, Chemietechnik, Chemische VerfahrenstechnikHEV Consulting Beratung Technische Chemie, Chemietechnik, Chemische Verfahrenstechnik
http://www.haltech.de/
HEV Consulting Beratung Technische Chemie, Chemietechnik, Chemische Verfahrenstechnik
http://www.haltech.de/
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HALWACHS Technische Beratung Chemie, Chemietechnik, Chemische Verfahrenstechnik | haltech.de Reviews
https://haltech.de
HEV Consulting Beratung Technische Chemie, Chemietechnik, Chemische Verfahrenstechnik
HEV news reference and history info
http://www.haltech.de/news.htm
Cooperation with Boliden / Finland. Consulting/sourcing of precious metal containing base metal concentrates. Cooperation with K.A.Rasmussen / Norway. Refining of consumer silver scrap; engineering of tailored electrolytic silver refining. Cooperation with Berzelius / Stolberg. On the upgrade of silver refining from primary lead production. Cooperation with Berzelius / Stolberg. On the upgrade of silver refining from primary lead production. HEV launched cooperation with Jordan company SMSE. On recycling...
highly selective platinum palladium iridium trace precipitation from aqua regia filtrates
http://www.haltech.de/platinum-trace-precipitation.htm
Collective PtPdIr Trace Precipitation By An Organic Agent. Selective against Rh Ru, Cu Ni Pb and other base metals). Even some globally active refiners still rely on old pollutive aqua regia refining. This process can help to. Useful separation scheme for. 1 Pt Pd Ir trace precipitation from highly acidic spent process liquors / filtrates after aqua regia treatment followed by inefficient classical Pt Pd Ir salt precipitation. This is a values recovery process. No additional salination of liquors.
refining of platinum group metals / priciple flow sheet
http://www.haltech.de/pgm-refining.htm
Most sophisticated industrial inorganic chemistry:. Refining of platinum group metals ore concentrate. The figure below shows a typical assay of a South African platinum group metals ore concentrate obtained as the filter cake after sulfuric acid leach (according to the Sherrit process) of a Merensky reef converter matte. More attention should be paid in the future to completely avoid fraction M. Normally more than 98% of Pt Pd and Au, more 90% of Rh, Ir and Ru should be dissolved during dissolution; Ag ...
solvent extraction in precious metal refining
http://www.haltech.de/solvent-extraction.htm
Precious Metals Refining By Solvent Extraction. If a compound (= solute) is dissolved in a liquid (water) and the solution is brought into contact with a second immiscible liquid (= solvent, maybe a hydrocarbon etc.), then a part of the solute is transferred to the second liquid phase by a force called the chemical potential. The physical-chemical process of transferring the solute between the bulk of the two immiscible liquid phases is called solvent extraction. Which is defined as the ratio D = (all sp...
HEV process for highly selective rhodium precipitation from chloride media
http://www.haltech.de/rhodium-precipitation.htm
Organic agent rhodium precipitation. Highly selective against Pt Pd Ir Au, Cu Ni Pb;. No or low salination of liquors; dissolvable precipitate. Useful separation scheme for. From main stream pgm refinery liquors. Replacing salt precipitations or cementations. 5 - 15 g/l Rh. Cu, Pb, Se, (Fe) main constituents. Pt, Pd, Ir minor constituents. 99% Rh recovery in precipitate. 999% Rh purity in precipitate. Base metals and minor constituents Pt, Pd, Ir left in filtrate. 2 separation of Rh traces. 0 - 2 g/l Rh.
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HALWACHS Technische Beratung Chemie, Chemietechnik, Chemische Verfahrenstechnik
HEV berät Sie im Bereich Technische Chemie, Chemietechnik, Chemische Verfahrenstechnik; speziell auch im Edelmetallrecyling von Gold, Silber, Platin, Palladium, Rhodium, Iridium, Ruthen, Osmium und Rhenium.Wir helfen Ihnen bei der Lösung von Produktionsproblemen und liefern Chemiekalien für die Solventextraktion von Palladium und Gold. Moreover we provide chemicals for the refining of palladium and gold by solvent extraction. This website is comprising the following topics :. Lecture on reaktive extracti...
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Produkcja hal namiotowych i magazynowych. Podstawową działalnością firmy HALTECH jest produkcja, sprzedaż hal namiotowych i hal magazynowych. A także kompleksowa realizacja inwestycji. Obecnie firma produkuje swoje konstrukcje w oparciu o własne projekty. Stosowane rozwiązania pozwalają na ustawienie w rekordowo szybkim czasie. Na dowolnym terenie zadaszonych obiektów. Firma HALTECH oferuje wysokiej jakości hale namiotowe, hale magazynowe, hale przenośne i hangary.
Haltech Crono - Cronometragem para pista de arrancada
Cronometragem para pista de arrancada. Extreme Park - Ourinhos/SP. Sábado, 24 de Fevereiro de 2018. Informações sobre eventos cronometrados, abertura de inscrições, cobertura da prova, fatos interessantes e muito mais. Acesse e confira: http:/ twitter.com/Haltech Crono. 1 DRB (Top Ten/Best Ten). Extreme Park - Ourinhos/SP. Sábado, 17 de Fevereiro de 2018. Extreme Park - Ourinhos/SP. Sábado, 20 de Janeiro de 2018. Extreme Park - Ourinhos/SP. Sábado, 18 de Novembro de 2017. Como fazer minha inscrição?