c0224f12ddd3d57c0c0584e099b5bc45 water_a2019v11n7p326.pdf 954372d40acc0ef640cf4ee317cf3cf8be2d71a0 water_a2019v11n7p326.pdf 3b23c46a320dbef11dea1cfc49a62b114dc4fa024dd69b4a8578b4af6a317bad water_a2019v11n7p326.pdf Title: Textile Wastewater Purification Using an Elaborated Biosorbent Hybrid Material (Luffa–Cylindrica–Zinc Oxide) Assisted by Alternating Current Subject: This paper aims to synthesize hybrid materials with high pollutant-uptake capacity and low costbased based on Luffa cylindrica (L.C) and different percentage of Zn2+ in the presence and absence of alternating current (AC). Physico-chemical, morphological and structural characterizations of the hybrid materials were performed by Boehm method, point zero charge (pHpzc), infrared characterizations (IR), scanning electron microscopy (SEM), energy–dispersive spectroscopyand and X-ray photoelectron spectroscopy. The efficiency of the designed hybrid materials was optimized based on their performance in water depollution. Methylene blue (MB) and industrial textile wastewater were the investigated pollutants models. IR characterizations confirmed the fixation of Zn2+ onto the L.C by the creation of Zn-OH, Zn-O and Zn-O-C bonds. Boehm titration showed that the fixation of Zn2+ onto L.C is accompanied by an increase of the basic functions of its surface and subsequently an increase in the pHpzc. SEM results confirmed the fixation of Zn2+ onto the L.C coupling AC with biosorption showed an increase in the adsorbed amount of MB and speed when adding the 4% of Zn2+ compared to the pure L.C the Qm shifted from 3.22 to 9.84 and 8.81 mg/g, respectively, for hybrid materials synthesized under AC, in absence of AC and pure L.C. Keywords: alternating current; coupling; hybrid material; biosorption; wastewater reuse Author: Amina Othmani, Aida Kesraoui, Roberto Boada, Mongi Seffen and Manuel Valiente Creator: LaTeX with hyperref package Producer: pdfTeX-1.40.18 CreationDate: Thu Jun 27 08:54:58 2019 CEST ModDate: Thu Jun 27 08:54:58 2019 CEST Tagged: no UserProperties: no Suspects: no Form: none JavaScript: no Pages: 19 Encrypted: no Page size: 595.276 x 841.89 pts (A4) Page rot: 0 File size: 2957121 bytes Optimized: no PDF version: 1.5 name type encoding emb sub uni object ID ------------------------------------ ----------------- ---------------- --- --- --- --------- MTNHUH+URWPalladioL-Ital Type 1 Custom yes yes no 163 0 HROZDI+URWPalladioL-Bold Type 1 Custom yes yes no 164 0 YZAHQI+URWPalladioL-BoldItal Type 1 Custom yes yes no 165 0 ANFSEJ+Rpxbi Type 1 Builtin yes yes no 166 0 DRCJBB+Rpxb Type 1 Builtin yes yes no 167 0 ZHIRAL+URWPalladioL-Roma Type 1 Custom yes yes no 168 0 KYJRXA+VnURWPalladioL Type 1 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