Tran Nguyen Phuong Lan*, Ly Kim Phung, Luong Huynh Vu Thanh; Nguyen Hong Nam; Tran Thi Bich Quyen; Le Phan Hung. Removal of Methylene Blue Using Zeolite NaX With Silica Derived from Rice Husk Ash. VJST B 2022, 64.