Removal of Cu (II) from wastewater of metal coating process by borax sludge

Yıl 2018, Cilt: 1 Sayı: 4, 1 - 5, 01.12.2018

Esma Burcu Rona Meral Yildirim Ozen Emek Moroydor Derun

Öz

The aim of this study is to
determine the adsorption behavior of borax sludge for removal of copper from
industrial wastewater. The borax sludge was generated during borax production
and used for treatment of wastewater of metal coating process. The parameters
of pH, concentration and contact time were investigated in batch experiments to
determine the efficiency of adsorption. Inductively Coupled Plasma-Optical
Emission Spectrometer (ICP-OES) was used to calculate the reduced amount of Cu
(II). The results were applied to various kinetic models and adsorption
isotherms. The pseudo second order model was successful to fit the adsorption
process in the kinetic study because the regression coefficient values (R²)
were changed between 0.9995 and 0.9978. Langmuir (R²=0.9985) and
Temkin (R²=0.9985) isotherms models were the best to explain the
process.

Anahtar Kelimeler

Adsorption, borax sludge, heavy metal, waste water treatment

Kaynakça

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