Tran Vinh L, Le Phuc N, Nguyen Van H, Pham Thi Hai Y, Ngo Thuy P, Tran Van T, Dang Thanh T, Le Thi Hoai N, Nguyen Anh D. Optimisation of leaching procedure to recover La3+ from spent FCC catalyst of Dung Quat refinery using HNO3 . PVJ [Internet]. 2017Aug.31 [cited 2026Apr.30];80:34 -0. Available from: http://www.pvj.com.vn/index.php/TCDK/article/view/195