Feldspar Beneficiation & Flotation Process
The impeller speed during conditioning and flotation was 1500 rpm while the air flow rate during flotation was 7 L min −1 The sample was deslimed prior to the flotation tests and the flotation tests were performed as the four steps described in Table 3 exemplified with NaOH as the base in the final K feldspar flotation
RECOVERY OF LITHIUM FROM CHINA CLAY WASTE
froth flotation magnetic separation roasting and leaching The china clay waste produced by Goonvean Ltd contains about % Li 2 O and % Rb 2 O present in some of the mica minerals Among the mica minerals zinnwaldite is the major source of lithium with smaller amounts being contributed by muscovite