pH-Dependent flotation mechanisms of beryl with dodecylamine: from conventional froth flotation to non-froth aggregate flotation - Jingchao Li; Yangge Zhu; Dashi Lei; Ning Sun; Xiaoliang Zhang; Xiang Li; Xiangyu Peng; Liming Wang; Zeping Feng; Jubin Zhai; Fenghua Ding; Yubin Wang (Minerals Engineering, 2026)