Plating Effluent by Electrocoagulation

Beyazıt, Nevzat

doi:10.1016/s1452-3981(23)08094-x

Cited by 25 publications

(1 citation statement)

References 48 publications

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“…Electroplating Industries produces large volumes of metal-rich effluents, which discharge several harmful substances including cyanides, cleaning agent, degreasing solvents, oil, fat, toxic heavy metals in particular chromium, nickel, and copper [2] in high concentrations [4] and exceed the permissible limits [5].…”

Section: Introductionmentioning

confidence: 99%

Chemically Modified Coconut Shell Biochar for Removal of Heavy Metals from Aqueous Solution

Imran-Shaukat

Rosli

Wahi

et al. 2021

DDF

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In this study, coconut shells were converted into biochar via pyrolysis and chemically modified via an acid-base treatment to enrich its adsorption capabilities. Batch experiments were carried out to analyze the adsorption potential of the modified coconut shell (MCSC) or removal of chromium, nickel, and copper from aqueous solution. The chemical modification increased the surface area of MCSC to 185.712 m2/g. Batch adsorption study using MCSC resulted in 99% removal of copper, 95% (nickel), and 39% (chromium). The adsorption of studied metal ions fitted well with Langmuir isotherm, showing a monolayer adsorption process. A kinetic analysis showed that all the samples match a strong correlation coefficient in pseudo-second-order (R2>0.95), indicating the occurrence of a chemical adsorption process.

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Section: Introductionmentioning

confidence: 99%