Related Experiment Video
Updated: Aug 2, 2025

Development and Validation of Chromium Getters for Solid Oxide Fuel Cell Power Systems
Published on: May 26, 2019
Efficient removal of Cr (VI) from aqueous solution by using tannery by-product (Buffing Dust)
Manikant Kumar1, N S Maurya2, Anshuman Singh2
1Department of Leather Technology, Muzaffarpur Institute of Technology, Muzaffarpur, Bihar, 842003, India.
Abstract:
The current study is focused on using tannery waste called buffing dust to remove hexavalent chromium from an aqueous solution. The buffing dust was characterised by using different technique like FTIR, SEM, and BET analysis. The adsorption experiment was conducted in batch mode. The different operating factors including contact time, dose and initial Cr (VI) concentration were investigated. The optimum adsorption capacity was observed at contact time of 240 min and dose of 1g/100 mL. The adsorption isotherm such as Langmuir, Freundlich and Temkin were investigated at different initial concentration. It was observed that Langmuir isotherm model was best fitted for present study with maximum adsorption efficiency of 11.33 mg/g. The kinetic study was performed for pseudo first order and pseudo second order and it was found that pseudo second order model was provided the best match with regression coefficient (R2) of 0.9991.
More Related Videos
Related Concept Videos
Redox Titration: Other Oxidizing and Reducing Agents
Extraction: Advanced Methods
Washing, Drying, and Ignition of Precipitates
Precipitation and Co-precipitation
Masking and Demasking Agents
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...
Sample Preparation for Analysis: Advanced Techniques
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...

