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Individual
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Individual
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Priority to ES63685ApriorityCriticalpatent/ES63685A1/en
Publication of ES63685A1publicationCriticalpatent/ES63685A1/en
ES63685A1917-01-041917-01-04
Procedure to extract zinc and other volatile metals from its minerals, using the apparatus described.
ExpiredES63685A1
(en)
An improved procedure for the treatment of solutions obtained from pyrites, pyrite ashes and their analogues, to recover from them the zinc compounds and other metals they contain.