REMOVAL OF CHROME VI IONS IN WASTE WATER BY ADSORPTION ON ALMOND SHIRTS SUPPORTED WITH BARAKCI CLAY
Keywords:Potassium dichromate, Cooper's clay, Thermodynamics, Adsorption, Environmental, Health
Wastewater is constantlyproduced in cities and it is sent towastewaterfacilities and accumulated. Thesewastewaterscontain Cr6+ions. Ifwastewater is not treated on time, it primarilyaffectsourhealth and ourenvironment. Because Cr6+ionsaretoxicsubstances.Inourexperimentalresearch, potassiumdichromate (K2Cr2O7) solutions at differentconcentrationswereaddedtoeachsolution at 298 K, 308 K, 318 K degrees, respectively, and 0.75 grams, glassmaker'sclay and 0.75 grams of almond bark shavingsperliter, and mixedwith a magneticstirrer. mixed. Absorbancemeasurementsweremade at 543 nm wavelengthbyusing UV-GB spectrophotometer of thesamplestaken at different time intervals. As thetemperature increased, theconcentration of 20 ppm potassiumdichromatewasdeterminedto be 68.65%, 66.7%, 80.20%, 298 K, 308 K and 318 K, respectively.Inthecalculatedisotherm data, 0.75 grams of glassmaker'sclay in 20 ppm 500 ml potassiumdichromatesolution at 298 K and 13.72 milligrams of Cr6+ion in 0.75 grams of almond bark sawdustadsorbed. Thesolutionambient PH wasadjustedto 6. Comparedwiththe Langmuir, Freundlich, isotherms, theadsorptionwasfoundto fit the Freundlich isothermbetter and thebestresultwas at 308 K with R2 = 0.9955. Whenthethermodynamicparametersarecalculated, ∆H, enthalpyvalueis -0.1105 kj/mol, ∆S, entropyvalue is 0.3504 kj/mol, ∆G, Gibbs freeenergyvaluesare at 298 K, -104.508 kj/mol, 308 K. -108,052 kj/mol, and -111.557 kj/mol at 318 K. Theresult of thisresearchshows us that a mixture of glassmaker'sclay and almond bark shavings can be used as filtration in theremoval of toxicCr6+ions in wastewater
How to Cite
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.