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ÇİNKO VE BAKIRIN SULU ÇÖZELTİDE AKTİF KARBONLA TEKLİ ADSORPSİYONU

SINGLE ADSORPTION OF CUPPER AND ZINC FROM AN AQUEOUS SOLUTION ONTO ACTIVATED KARBON

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Abstract (2. Language): 
Batch studies were conducted to evaluate the potential of Tip1 and Tip2 activated carbons for the adsorption of Zink and Cupper from aqueous solution. The effect of particle size, pH, initial concentration, and contact time on adsorption of zinc and cupper, and the adsorption capacities of the adsorbents were also investigated. The adsorption in these systems is highly dependent on the particle size, pH, initial adsorbate concentration, and contact time. The finest particle size (0.25-0.50 mm) showed the best removal efficiency for both adsorbents. Both the adsorbents showed best efficiency at pH 7.03 and 4.49 for Zn(II)(aq) and Cu(II)(aq) adsorption, respectively. The Langmuir isotherm successfully represented the adsorption phenomenon at specific conditions. Langmuir constant Q0 (mg/g) belonging to Tip1 AC and Tip2 AC, respectively, are 6.035 and 3.821 mg/g for Zn(II)(aq) removal and 6.930 and 0.267 mg/g for Cu(II)(aq) removal.
Abstract (Original Language): 
Bu çalışmada odun menşeyli olarak tarafımızdan üretilen Tip 1 ve Tip 2 aktif karbon kullanılarak sulu çözeltide bakır ve çinkonun adsorpsiyonu çalışılmıştır. Çalışma sırasında; partikül büyüklüğü, pH, başlangıç derişimi ve temas süresi parametreleri kullanılan adsorbanın, adsorpsiyon kapasitesi açısından ölçülerek irdelenmiştir. Adsorpsiyon yüksek oranda partikül büyüklüğüne, pH’a, başlangıç adsorban derişimine ve temas süresine bağımlı olduğu saptanmıştır. Küçük boyutlu (0.25-0.50 mm) adsorbanın daha verimli olduğu görülmüştür. Adsorbanların Zn(II)(aq) için pH 7.03 ve Cu(II)(aq) için 4.49 değerinde en iyi verimi sağladığı görülmüştür. Adsorpsiyon verileri, Langmuir izotermini uymaktadır. Langmuir sabiti Q 0 (mg/g) Tip 1 AC için Zn(II)(aq) giderimi 6.035 ve 3.821 mg/g ve Tip 2 AC, Cu(II)(aq) giderimi için 6.930 ve 0.267 mg/g değerlerinde olduğu saptanmıştır.

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