separation of quartz from feldspar norway

Oct 01 2019 In this study a selective flotation process for the separation of Kfeldspar from Nafeldspar was developed for the beneficiation of a Norwegian microclinequartz pegmatite sample The Kfeldspar flotation was performed in alkaline environment pH 105116 with only the addition of NaOH as a modifier and nonionic Brij58 as a frother on a