Effective Adsorptive Removal of Methylene Blue from Water by Didodecyldimethylammonium Bromide-Modified Brown Clay
Muhammad Tajammal MunirDepartment of Chemistry, University of Gujrat, Gujrat 50700, PakistanMuhammad Faizan NazarDepartment of Chemistry, University of Gujrat, Gujrat 50700, PakistanMuhammad Nadeem ZafarDepartment of Chemistry, University of Gujrat, Gujrat 50700, PakistanMuhammad ZubairDepartment of Chemistry, University of Gujrat, Gujrat 50700, PakistanMuhammad AshfaqDepartment of Chemistry, University of Gujrat, Gujrat 50700, PakistanAhmad Hosseini–BandegharaeiDepartment of Engineering, Kashmar Branch, Islamic Azad University, P.O. Box 161, Kashmar, IranSalah Ud‐Din KhanSustainable Energy Technologies Center, King Saud University, P.O. Box 800, Riyadh 11421, Saudi ArabiaAshfaq AhmadDepartment of Chemistry, King Saud University, P.O. Box 2425, Riyadh 11451, Saudi Arabia
2020en
ABI
Аннотация
/g, and 8.75102 nm, respectively. Batch sorption investigations were carried out to determine the optimum experimental conditions, using the one-factor one-time procedure. The sorption of MB on DDAB-BC strongly obeyed the Langmuir isotherm and agreed well with pseudo-second-order kinetics. Sorption of MB onto DDAB-BC showed maximum efficiency (∼98%) and maximum sorption capacity (∼164 mg/g) at optimal values of pertinent factors: dye concentration (100 mg/L), pH (7), and temperature (55 °C). Sorption isothermal studies predicted that removal of MB on DDAB-BC follows multilayer sorption at higher MB dye concentrations and monolayer sorption at lower MB dye concentrations.
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