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Potential Of Using Surfactants To Enhance Ammonium And Nitrate Adsorption On Rice Husk And Its Biochar, Lada Mathurasa, Seelawut Damrongsiri
Potential Of Using Surfactants To Enhance Ammonium And Nitrate Adsorption On Rice Husk And Its Biochar, Lada Mathurasa, Seelawut Damrongsiri
Applied Environmental Research
Inorganic nitrogen fertilizers are widely and heavily used in agriculture. Leaching of these fertilizers is a cause of eutrophication in water bodies. This study examines the use of rice husk and its biochar, their efficiency in adsorption of ammonium and nitrate and the potential of using surfactants, sodium dodecyl benzenesulfonate (SDBS) and cetyl trimethyl ammonium bromide (CTAB), to increase adsorption. Physical and chemical properties of adsorbents were examined through BET, SEM-EDX, and CEC value, respectively. The equilibrium batch adsorption was conducted. The result showed that rice husk was lower in surface area, total pore volume, pore diameter, silica and oxygen …