TI - Modeling and kinetics investigation of adsorptive properties and regeneration of modified clay on azo dyes removal from aqueous solution using artificial intelligence (ANN, ANFIS) and RSM AU - C. OGUANOBI, N. AU - E. ONU, C. AU - D. ONUKWULI, O. AU - N. ANIKE, E. AU - N. UDE, C. SO - Sigma Journal of Engineering and Natural Sciences 2025;43:316-339. DO - 10.14744/sigma.2025.00023