Flour Milling Machine /Maize Roller Mill /Wheat Flour Mill Price US / Set (FOB Price) 1 Set (MOQ) Type : Flour Mill Appliion : Flour, Wheat, Corn /Maize Voltage : 110/220/380 Appearance : Vertical More KAIFENG AOSHENG INDUSTRY AND TRADE CO., LTD. Contact Now Inquiry Basket 1 / 6 Maize/Corn Flour Mill Milling Roller Mill Machine
· 1 Wash, filter and grind the granite ore with into smaller pieces. 2 Put the ground ore into a tank containing a dilute cyanide solution and add zinc. The chemical reaction between a dilute cyanide solution and zinc will separate the gold from the ore. 3 Use a filter press to remove the gold from the solution.