VERFAHREN ZUM REINIGEN METALLURGISCHER SCHWEFELSAEUREANHYDRID ENTHALTENDER GASE DURCH EXTRAKTION VON QUECKSILBER

VERFAHREN ZUM REINIGEN METALLURGISCHER SCHWEFELSAEUREANHYDRID ENTHALTENDER GASE DURCH EXTRAKTION VON QUECKSILBER

The present invention relates to a process for purifying metallurgical gases containing sulphuric anhydride by extracting mercury, using the sulphurous anhydride which accompanies the metallurgical gases as an oxidizing agent for the mercury, an additional contribution of sulphurous anhydride being...

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Hauptverfasser: CUADRA HERRERA, ANTONIO DE LA, SANCHEZ, AMMANDO RODRIQUEZ, TALLANTE, MIGUEL FERNANDEZ
Format: Patent
Sprache:ger
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator CUADRA HERRERA, ANTONIO DE LA
SANCHEZ, AMMANDO RODRIQUEZ
TALLANTE, MIGUEL FERNANDEZ
description The present invention relates to a process for purifying metallurgical gases containing sulphuric anhydride by extracting mercury, using the sulphurous anhydride which accompanies the metallurgical gases as an oxidizing agent for the mercury, an additional contribution of sulphurous anhydride being made when the latter is deficient, and employing in addition an acid to facilitate the oxidization of the mercury and a soluble thiocyanate in order to complete the oxidation of the mercury.
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subjects CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title VERFAHREN ZUM REINIGEN METALLURGISCHER SCHWEFELSAEUREANHYDRID ENTHALTENDER GASE DURCH EXTRAKTION VON QUECKSILBER
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