Preprint Article Version 1 This version is not peer-reviewed

Ecofriendly Approach to Adsorption of Congo Red from Aqueous Media Using Chaff Powder from Jatropha curcas Seed (Isotherm and Kinetic Model)

Version 1 : Received: 27 March 2019 / Approved: 29 March 2019 / Online: 29 March 2019 (08:09:08 CET)

How to cite: Yahaya pudza, M.; Abidin, Z.Z. Ecofriendly Approach to Adsorption of Congo Red from Aqueous Media Using Chaff Powder from Jatropha curcas Seed (Isotherm and Kinetic Model). Preprints 2019, 2019030274 (doi: 10.20944/preprints201903.0274.v1). Yahaya pudza, M.; Abidin, Z.Z. Ecofriendly Approach to Adsorption of Congo Red from Aqueous Media Using Chaff Powder from Jatropha curcas Seed (Isotherm and Kinetic Model). Preprints 2019, 2019030274 (doi: 10.20944/preprints201903.0274.v1).

Abstract

The Batch process of Adsorption were conducted using Congo red (CR) as the adsorbate and Jatropha curcas seed (chaff) as the adsorbent material. Adsorption kinetics and isotherms analysis were conducted and results obtained confirmed the adsorption process as highly dependent on effects such as; contact time, adsorbent dosage, initial dye concentration and the particle sizes of adsorbate. However, the sorption equilibrium for Congo red dye unto jatropha curcas seed (chaff) was reached within 180 minutes, more so, the Adsorption efficiency was recorded at 82.05%. The process of the experimental sorption kinetics followed a pseudo-second-order kinetic model while Freundlich isotherm model was best applicable for obtaining the equilibrium of the parameters. These is an effective confirmation and validation of jatropha curcas seed (chaff) application as environmentally friendly and low-cost biomaterial for dye removal from aqueous solutions and industrial effluents.

Subject Areas

adsorption kinetics; isotherm models; Jatropha curcas; Congo red; effects

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