Chitosan/Hydroxyethyl Cellulose Gel Immobilized Polyaniline/CuO/ZnO Adsorptive-Photocatalytic Hybrid Nanocomposite for Congo Red Removal

Gelaw, Tadesse Bassie; Sarojini, B. K.; Kodoth, Arun K.

doi:10.1007/s10924-022-02492-4

Cited by 9 publications

(1 citation statement)

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“…The surface functionalization of biopolymers capacitates them to interact easily with dyes and heavy metals thus, highlighting them as ideal candidates for the development of new adsorbents [ 14 , 15 ]. The cellulose derivatives especially hydroxmethyl cellulose (HEC) have shown promising adsorption properties for the removal of heavy metals and other contaminants from wastewater effluents [ 16 , 17 ]. HEC has biodegradable and biocompatible nature along with superior chemical stability and water solubility thus, an excellent choice for the development of highly efficient new adsorbent.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Hydroxyethyl Cellulose Grafted with Copolymer of Polyaniline and Polypyrrole Biocomposite for Adsorption of Dyes

et al. 2022

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The emerging concepts of sustainable textiles and controlled production strategy demands ideally zero emissions of contaminants into the aquatic environment. However, the currently in-practiced conventional processes in textiles dispose of a number of contaminants especially super toxic synthetic dyes as effluents. In recent years, nanomaterials have become attractive choice for eco-friendly removal of organic dyestuff. Accordingly, this article reports synthesis and characterization of biocomposite wherein copolymer of polyaniline (PANI) and Polypyrrole (PPY) was grafted onto hydroxyethyl cellulose (HEC). Further, adsorption properties of as-prepared composite were evaluated using textile dyes Rhodamine B (RhB) and methyl Orange (MO)- as model adsorbate. The characterization of novel biocomposite (HEC/PANI-PPy) was carried out using Fourier Transform Infrared (FT-IR), Brunauer-Emmett-Teller analyzer (BET), Scanning Electron Microscope (SEM), and powder X-ray diffraction (XRD). The operational parameters such as dye initial concentration, adsorbent amount, pH and contact time were also studied to evaluate the efficiency level of the prepared biocomposite. Interestingly, the composite-mediated adsorption of RhB and MO followed pseudo-second order and the Langmuir isotherm. It is found that the adsorption capacity HEC/PANI-PPy is 30.06 and 29.3 for RhB and MO respectively. Thus, HEC/PANI-PPy is an inexpensive and highly efficient adsorbent that could be employed for could be employed for the separation and removal of toxic organic dyes from polluted textile effluents.

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