How to Take the Impurities out of Gold | LEAFtv

Periodically the crucible from the furnace and skim the impurities off the surface of the molten . Stir after each of dross and before returning it to the furnace. Repeat this process until dross stops rising to the surface. Set ore and a small quantity of lead in a cupel. Place the cupel in a blast furnace.

Relate Product

  • PROJECTS DONE 6250

    PROJECTS DONE

  • Serve the nation 160

    Serve the nation

  • Enterprise staffs 600

    Enterprise staffs

  • skilled worker 260

    skilled worker

Drop Your Message

If you have any problems or questions about our products or need our support and assistance, please contact us and you will be replied within 24 hours. We promise we will never reveal your information to the third party. Thank you!

latest news

Latest News

Copyright © 2021.Henan Mining Machinery Co., ltd. All rights reserved. Sitemap

pc-kf
wap-kf
gotop