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 Николай Тошев, Олга Тончева, Огнян Евтимов, Стефка НикифороваfiledCriticalНиколай Тошев
Priority to BG102226ApriorityCriticalpatent/BG102226A/en
Publication of BG102226ApublicationCriticalpatent/BG102226A/en
The method relates to the treatment of zinc raw materialscontaining iron and aluminium. It is economical and is achievedusing cheap equipment. The process occurs in a bath, the smeltbeing heated to temperatures in the 500 to 600°C range and isblown by oxidation gas or reagents supplied in a suitable manner.1 claim
BG102226A1998-02-021998-02-02Method for zinc materials refining
BG102226A
(en)