A Green and Facile Approach for Synthesis of Starch-Pectin Magnetite Nanoparticles and Application by Removal of Methylene Blue from Textile Effluent

Mbom Divine Yufanyi,Beckley Victorine Namond,Mih Venasius Nsom,Nzegge William,Ekane Peter Etape,Josepha Foba Tendo,Paul T. Chongwain

doi:10.1155/2019/4576135

Mbom Divine Yufanyi, Beckley Victorine Namond + Show 5 more

Open Access

https://doi.org/10.1155/2019/4576135

Copy DOI

Abstract

Pectin-starch magnetite hybrid nanoparticles were fabricated, characterized, and evaluated as potential absorbents for methylene blue dye based on recycling water from the textile industry. The nanocomposite adsorbent was synthesized with the iron salt coprecipitation method, and the precipitates obtained were sponge-like. The effects of a pectin : starch ratio in the absorbent and the amount of methylene blue adsorbed were investigated. The nanocomposites obtained were characterized using a Fourier-transform infrared spectroscopy (FTIR), before and after methylene blue adsorption. Fourier-transform infrared spectroscopy (FTIR) spectra provided the evidence that the starch-pectin iron oxide hybrid nanoparticles were successfully synthesized. It also indicated that the hybrid nanoparticles actually absorbed the methylene blue dye from the effluent. PXRD results showed that the synthesized hybrid composite adopted the spinel microstructure of Fe3O4 though the crystallinity of the composite decreased with an increase in the pectin : starch ratio. Furthermore, calculations based on PXRD showed that the synthesized powders were nanoparticles. The amount of adsorbed dye by hybrid adsorbent increased with an increase in the starch : pectin ratio, and the increase was better observed at a low polymer concentration of 18%. The amount of adsorbed dye by hybrid adsorbent was high at high pH and low at low pH value which attested to the ion exchange and electrostatic force mechanism during the adsorption process. Finally, the capacity of the absorbent decreased with an increase in temperature.

Highlights

Day-to-day human activities influence the flow, storage, and quality of available fresh water
Textile printing and dyeing industries such as Cotonniere Industrielle du Cameroun (CICAM) in Douala, Cameroon, are water-intensive and require large volumes of freshwater at various steps of printing which lead to the release of large volume of wastewater
The diffraction at the angle 2θ = 35 5° could be attributed to Fe3O4, face-centered cubic structure which matched with JCPDS card no. 85 1436/JCPDS card no. 19-0629

Summary

Introduction

Day-to-day human activities (domestic and industrial) influence the flow, storage, and quality of available fresh water. Industries have a large potential to cause lake, stream, and river pollution. The nature of pollution varies from one industry to another and from one plant to another [1]. Dyecontaining wastewaters from the textile industry are an important cause of severe pollution problems worldwide [1]. Toxicity and mutagenicity of synthetic dyes have increasingly become a major occupational hazard and challenge with regard to their use and safety in the textile industry [2]. Textile printing and dyeing industries such as Cotonniere Industrielle du Cameroun (CICAM) in Douala, Cameroon, are water-intensive and require large volumes of freshwater at various steps of printing which lead to the release of large volume of wastewater.

Methods

Results

Conclusion