Removal of acid black 210 dye from leather dyeing effluent using spherical particles of P(HEMA-GMA)-IDA-Cr(III) hydrogel membrane / Safiye Meric Acikel in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 101, N° 3 (05-06/2017)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 101, N° 3 (05-06/2017) . - p. 135-142 Titre : Removal of acid black 210 dye from leather dyeing effluent using spherical particles of P(HEMA-GMA)-IDA-Cr(III) hydrogel membrane Type de document : texte imprimé Auteurs : Safiye Meric Acikel, Auteur ; R. H. Åženay, Auteur ; Sinan Akgöl, Auteur ; Ahmet Aslan, Auteur Année de publication : 2017 Article en page(s) : p. 135-142 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Adsorption Bains de teinture -- Epuration Chrome trivalent Colorants acides Cuirs et peaux -- Teinture Déchets industriels -- Elimination Eaux usées -- Analyse Eaux usées -- Epuration hydrocolloïdes Membranes (technologie) Photoréticulation Polyméthacrylate d'hydroxyéthyle-co-glycidyl méthacrylate Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Hydrogel membranes can swell by a high proportion of their weight and have a large surface area, and are nowadays preferred in adsorption studies. In this work, p(HEMA-GMA) poly(hydroxyethyl methacrylate-co-glycidyl methacrylate) spherical particulated hydrogel membrane (SPM) was produced by UV photopolymerization and the synthesized membrane was coupled with iminodiacetio acid (IDA) in order to bond the Cr(III) ions in the chrome tanning process effluent. Then p(HEMA-GMA)-IDA-Cr(III) SPM was used to remove Acid Black 210 dye from the dyeing process effluent. The membrane's chrome and dye adsorption capacities were determined using a UV/Vis Spectrophotometer at wavelengths of 601nm and 435nm respectively. After the membranes were used, the discharged tanning and dye process wastewaters were examined in order to see the differences in the wastewater in terms of COD, BOD, conductivity, pH, salinity, total dissolved solids, total suspended solids, potassium, total nitrogen and chromium content. The results showed that the metal-chelated p(HEMA-GMA)-IDA SPMs chelated chrome ions between 398.47 and 619.10mg/g, and the adsorbed Acid Black 210 dye molecules were between 0.76 and 1.87mg/g. In conclusion, p(HEMA-GMA)-1DA SPM is an effective sorbent system for removing Cr(III) ions and acid dye molecules from leather discharge waters. Note de contenu : - Characterisation of nano-PHEMA-AB - Adsorption of Cr(III) ions - Wastewater analysis of chrome tanning and dyeing effluents - FIGURES : 1. Treatment of chrome tanning wastewater with p(HEMA-GMA)-IDA hydrogel membrane - 2. Treatment of dyeing wastewater with p(HEMA-GMA)-IDA hydrogel membrane - 4. SEM photographs of (HEMA-GMA) (at a scale of 1mm and 50mm) - 4. SEM photographs of p(HEMA-GMA) (at a scale of 1mm and 50mm) - 5. SEM photographs of p(HEMA-GMA)-IDA (at a scale of 1mm and 50mm) - 6. ATR-FTIR spectra of nanopolymer a) nano-PHEMA-AB ; b) PHEMA nanopolymer - 7. Graphical illustration of chrome tanning wastewater analysis - 8. Graphical illustration of leather dyeing wastewater analysis - TABLES : 1. Leather process - 2. 2. Cr(III) adsorption capacity of p(HEMA-GMA-IDA) hydrogel membrane from tanning effluent - 3. Dye adsorption capacity of p(HEMA-GMA-IDA)-Cr(III) hydrogel membrane from dye effluent - 4. Dye desorption capacity from p(HEMA-GMA)-IDA-Cr(III) hydrogel membrane - 5. Results of wastewater analysis En ligne : https://drive.google.com/file/d/1JJcD85GUImZHAbn0CcSB5OFfGMnl46Kh/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28798 [article]

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