Van Son, Tran, Lai Duc Manh, & Nguyen Manh Khai.
" Application of Biochar Derived from Pomelo Peels  and Corn Cobs for the Removal of Ammonium Residue  in Wastewater after Distillation Process." <em>VNU Journal of Science: Earth and Environmental Sciences</em> [Online], 41.2S (2025): n. pag. Web.  6 Dec. 2025