Utilization of sunflower marble waste nanocomposites for efficient removal of dyes from wastewater: synthesis, adsorption performance, and characterization by Saeed, Tayaba, Hanif, Muhammad Asif, Rashid, Umer, Anwar, Hafeez, Bhatti, Ijaz Ahmad, Alharthi, Fahad A., Han, Jeehoon, Yoo, Jiyun