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Paper Title :
Adsorption Tests of a Commercial Dyeing (Reactive Blue 4) Solutionadsorbedby Various Carbon Materials with Specific Functional Groups

Author :Wei-Ting Chen

Article Citation :Wei-Ting Chen , (2018 ) " Adsorption Tests of a Commercial Dyeing (Reactive Blue 4) Solutionadsorbedby Various Carbon Materials with Specific Functional Groups " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 72-77, Volume-6, Issue-4, Spl. Iss-2

Abstract : Dyeing chemicals are vastly used in dyeing industry, and wastewater from dyeing industry results in high concentration chemical oxygen demand and biochemical oxygen demand. This study employed adsorption tests of various carbon materials with specific functional groups (NO2 and COOH) to eliminate a commercial dyeing (Reactive Blue 4) solution. Single-walled carbon nanotube, multi-walled carbon nanotube, and activated carbon were used to adsorb the dyeing solution. Moreover, carbon materials leached with HNO3and a carboxylic acid under a thermal activated process to attachNO2 and COOH groups on carbon materials, respectively. Fourier transform infrared spectroscopy was employed to depict the types of functional groups attached on carbon materials. Adsorption tests were conducted sequentially after carbon materials attached with functional groups. Most carbon materials presented high adsorption ability, and adsorption capacities of SWCNT with NO2, SWCNT with COOH, MWCNT with NO2, MWCNT with COOH, activated carbon with NO2, and activated carbon are 55.7%, 75.7%, 50%, 52.9%, 67.1%, and 97.1%, respectively. As a result, activated carbon was the most suitable carbon materials for dyeing adsorption. Keywords - Dyeing chemicals, Adsorption tests, Carbon materials, Functional groups, Thermal activated process.

Type : Research paper

Published : Volume-6, Issue-4, Spl. Iss-2


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-14802   View Here

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