The study aimed to evaluate the potential of rice husk ashes (RHA) as an adsorbent for removing Reactive Black 5 (RB5) dye from water by comparing its performance to that of a commercial activated carbon (PAC) through kinetic, isotherm, and thermodynamic studies. The optimal results were obtained at pH 2.0 using PAC and RHA dosages of 0.4 and 15 g L-1, respectively. The pseudo-second-order model best described the kinetic data, with equilibrium reaching 40 min for PAC and 120 min for RHA. Langmuir model best-described isotherm data, with a calculated maximum adsorption capacity of 154.17 for PAC and 8.49 mg g-1 for RHA. Although RHA presented less adsorption capacity than PAC, the results suggest this viable and cost-effective adsorbent is an alternative to commercially available activated carbons for RB5 removal.
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Univ Zagreb, Fac Text Technol, Dept Appl Chem, Prilaz Baruna Filipov 28a, Zagreb 10000, CroatiaUniv Zagreb, Fac Text Technol, Dept Appl Chem, Prilaz Baruna Filipov 28a, Zagreb 10000, Croatia
Vojnovic, Branka
Cetina, Mario
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Univ Zagreb, Fac Text Technol, Dept Appl Chem, Prilaz Baruna Filipov 28a, Zagreb 10000, CroatiaUniv Zagreb, Fac Text Technol, Dept Appl Chem, Prilaz Baruna Filipov 28a, Zagreb 10000, Croatia
Cetina, Mario
Franjkovic, Petra
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Univ Zagreb, Fac Text Technol, Dept Appl Chem, Prilaz Baruna Filipov 28a, Zagreb 10000, CroatiaUniv Zagreb, Fac Text Technol, Dept Appl Chem, Prilaz Baruna Filipov 28a, Zagreb 10000, Croatia
Franjkovic, Petra
Sutlovic, Ana
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Univ Zagreb, Fac Text Technol, Dept Text Chem & Ecol, Savska C 16-9, Zagreb 10000, CroatiaUniv Zagreb, Fac Text Technol, Dept Appl Chem, Prilaz Baruna Filipov 28a, Zagreb 10000, Croatia
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Al Qasim Green Univ, Coll Water Resources Engn, Babylon 51013, Al Qasim Provin, IraqYangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R China
Zwain, Haider M.
Mojiri, Amin
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Hiroshima Univ, Dept Civil & Environm Engn, Grad Sch Adv Sci & Engn, Higashihiroshima 7398527, JapanYangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R China
Mojiri, Amin
Wang, Wei
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Qinghai Univ, State Key Lab Plateau Ecol & Agr, Xining 810016, Qinghai, Peoples R ChinaYangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R China
Wang, Wei
Gholami, Fatemeh
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Univ West Bohemia, New Technol Res Ctr, Plzen, Czech RepublicYangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R China
Gholami, Fatemeh
Gholami, Zahra
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Unipetrol Ctr Res & Educ As, Chempark 2838,Zaluzi 1, Litvinov 43670, Czech RepublicYangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R China
Gholami, Zahra
Giwa, Abdulmoseen S.
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Yangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R ChinaYangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R China
Giwa, Abdulmoseen S.
Wang, Baozhen
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Yangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R ChinaYangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R China
Wang, Baozhen
Cagnetta, Giovanni
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Tsinghua Univ, State Key Joint Lab Environm Simulat & Pollut Con, Beijing Key Lab Emerging Organ Contaminants Contr, Sch Environm, Beijing 100084, Peoples R ChinaYangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R China
Cagnetta, Giovanni
Salamatinia, Babak
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Monash Univ, Sch Engn, Discipline Chem Engn, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor, MalaysiaYangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R China