Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Viridian Inc Canada
Original Assignee
Sherritt Gordon Mines Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sherritt Gordon Mines LtdfiledCriticalSherritt Gordon Mines Ltd
Publication of ES253825A1publicationCriticalpatent/ES253825A1/en
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
C22B3/28—Amines
C22B3/282—Aliphatic amines
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
Y02P10/00—Technologies related to metal processing
Y02P10/20—Recycling
Abstract
Process for the production of lead, characterized in that it comprises leaching a lead compound chosen from the group consisting of lead sulfate, full chloride, lead nitrate and lead oxide with an aqueous solution containing a member chosen from the group which consists of alkylene and alkanol amines and salts of acids and derivatives thereof, which is soluble in water and is present in an amount sufficient to be combined with the lead contained in said lead compound. (Machine-translation by Google Translate, not legally binding)
ES0253825A1959-05-081959-11-30Procedure for the production of lead (Machine-translation by Google Translate, not legally binding)
ExpiredES253825A1
(en)
Procedure and device for the functioning of a combustión engine of various cycles of two cycles (Machine-translation by Google Translate, not legally binding)