Selectively depresses calcite
An eco-friendly organic depressant that selectively depresses calcite at natural pH, enabling efficient flotation separation of scheelite from calcite.
Yao, Wei · Yue, Wu · Li, Maolin · Cui, Rui · Jiaying, Li · Zhehui, Yang · Yingying, Fu · Zhiqin, Pan · Wang, Daowei · Zhang, Ming
Mineral Processing and Extractive Metallurgy Review 2023
Selectively depresses calcite at natural pH while scheelite remains floatable
Preferentially adsorbs on calcite surface and prevents subsequent NaOL adsorption
Chemical interaction with Ca2+ active sites is stronger on calcite than on scheelite