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Membrane Water Treatment
  Volume 12, Number 1, January 2021, pages 011-21

Application of cherry laurel seeds activated carbon as a new adsorbent for Cr(VI) removal
Nurcan Öztürk, Murat Yazar, Ali Gündoğdu, Celal Duran, Hasan Basri Şentürk and Mustafa Soylak

    A novel activated carbon produced from cherry laurel (Laurocerasus officinalisRoem.) seeds (CLSAC) by chemical activation with ZnCl2 was used as an adsorbent to remove Cr(VI) ions from aqueous solutions. CLSAC was characterized by several techniques and the adsorption experiments were performed in a batch model adsorption technique. The effects of various experimental parameters were investigated as a function of solution pH, contact time, initial Cr(VI) concentration, CLSAC concentration, and temperature. The monolayer adsorption capacity of CLSAC was found to be 41.67 mg g-1 for 5.0 g L-1 of CLSAC concentration and, it was concluded that CLSAC can be used as an effective adsorbent for removal of Cr(VI) from waters and wastewaters.
Key Words
    chromium(VI); adsorption; isotherms; kinetics; thermodynamics
Nurcan Öztürk: Department of Civil Engineering, Faculty of Technology, Karadeniz Technical University, 61830 Trabzon, Turkey
Murat Yazar and Ali Gündoğdu: Department of Pharmacy Services, Maçka Vocational School, Karadeniz Technical University, 61750 Trabzon, Turkey
Celal Duran and Hasan Basri Şentürk: Department of Chemistry, Faculty of Science, Karadeniz Technical University, 61080 Trabzon, Turkey
Mustafa Soylak: Department of Chemistry, Faculty of Science, Erciyes University, 38039 Kayseri, Turkey

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