Effective Sequestration of Acid Orange-7 Dye from Wastewater by using Ricinus Communis Biochar along with Zinc Oxide Nanocomposites. IJBR [Internet]. 2024 Dec. 24 [cited 2025 Aug. 16];2(02):1214-22. Available from: https://ijbr.com.pk/IJBR/article/view/363