دورية أكاديمية
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Amino-Functionalized Titanate Nanotubes: pH and Kinetic Study of a Promising Adsorbent for Acid Dye in Aqueous Solution.

التفاصيل البيبلوغرافية
العنوان: Amino-Functionalized Titanate Nanotubes: pH and Kinetic Study of a Promising Adsorbent for Acid Dye in Aqueous Solution.
المؤلفون: Sales DA; Interdisciplinary Laboratory for Advanced Materials (LIMAV), Materials Science & Engineering Graduate Program, Federal University of Piauí (UFPI), Teresina 64049-550, PI, Brazil., Lima PNS; Interdisciplinary Laboratory for Advanced Materials (LIMAV), Materials Science & Engineering Graduate Program, Federal University of Piauí (UFPI), Teresina 64049-550, PI, Brazil., Silva LS; Federal Institute of Maranhão (IFMA), Codó 65400-000, MA, Brazil., Marques TMF; Federal Institute of Piauí (IFPI), São João do Piauí 64760-000, PI, Brazil., Gusmão SBS; Interdisciplinary Laboratory for Advanced Materials (LIMAV), Materials Science & Engineering Graduate Program, Federal University of Piauí (UFPI), Teresina 64049-550, PI, Brazil., Ferreira OP; Laboratório de Materiais Funcionais Avançados (LaMFA), Departament of Physics, Federal University of Ceará (UFC), Fortaleza 60455-900, CE, Brazil., Ghosh A; Laboratório de Materiais Funcionais Avançados (LaMFA), Departament of Physics, Federal University of Ceará (UFC), Fortaleza 60455-900, CE, Brazil.; Central Analítica, Federal University of Ceará (UFC), Fortaleza 60455-900, CE, Brazil., Guerra Y; Department of Physics, Federal University of Piauí (UFPI), Teresina 64049-550, PI, Brazil., Morais AÍS; Interdisciplinary Laboratory for Advanced Materials (LIMAV), Materials Science & Engineering Graduate Program, Federal University of Piauí (UFPI), Teresina 64049-550, PI, Brazil., Bezerra RDS; Federal Institute of Education, Science and Technology of Piauí (IFPI), Teresina 64000-040, PI, Brazil., Silva-Filho EC; Interdisciplinary Laboratory for Advanced Materials (LIMAV), Materials Science & Engineering Graduate Program, Federal University of Piauí (UFPI), Teresina 64049-550, PI, Brazil., Viana BC; Interdisciplinary Laboratory for Advanced Materials (LIMAV), Materials Science & Engineering Graduate Program, Federal University of Piauí (UFPI), Teresina 64049-550, PI, Brazil.; Department of Physics, Federal University of Piauí (UFPI), Teresina 64049-550, PI, Brazil.
المصدر: Materials (Basel, Switzerland) [Materials (Basel)] 2022 Sep 15; Vol. 15 (18). Date of Electronic Publication: 2022 Sep 15.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101555929 Publication Model: Electronic Cited Medium: Print ISSN: 1996-1944 (Print) Linking ISSN: 19961944 NLM ISO Abbreviation: Materials (Basel) Subsets: PubMed not MEDLINE
أسماء مطبوعة: Publication: May 2010- : Basel, Switzerland : MDPI
Original Publication: Basel, Switzerland : Molecular Diversity Preservation International, 2008-2010.
مستخلص: This work reports the functionalization of sodium titanate nanotubes with amine groups obtained from the reaction of titanate nanotubes with [3-(2-Aminoethylamino)propyl]trimethoxysilane, NaTiNT-2NH, and 3-[2-(2-Aminoethylamino)ethylamino]propyltrimethoxysilane, NaTiNT-3NH. It was verified that the crystalline and morphological structures of NaTiNT were preserved after the functionalization, spectroscopies showed that aminosilane interacted covalently with the surface of NaTiNT, and the incorporation of the aminosilane groups on the surface of NaTiNT can be confirmed. The adsorbent matrices NaTiNT-2NH and NaTiNT-3NH were used to remove the anionic dye from remazol blue R (RB) in aqueous medium, and the highest adsorption capacity was around 365.84 mg g-1 (NaTiNT-2NH) and 440.70 mg g-1 (NaTiNT-3NH) in the range of pH 5.0 to 10.0 and the equilibrium time was reached in 210 min (NaTiNT-2NH) and 270 min (NaTiNT-3NH). Furthermore, the Elovich model, which reports the adsorption in heterogeneous sites and with different activation energies in the chemisorption process, was the most appropriate to describe the adsorption kinetics. Thus, these adsorbent matrices can be used as an alternative potential for dye removal RB in aqueous solution.
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معلومات مُعتمدة: 427084/2018-0 National Council for Scientific and Technological Development; 183995 Coordenação de Aperfeicoamento de Pessoal de Nível Superior
فهرسة مساهمة: Keywords: adsorption; aminosilane; remazol blue R; titanate nanotubes
تواريخ الأحداث: Date Created: 20220923 Latest Revision: 20220928
رمز التحديث: 20221213
مُعرف محوري في PubMed: PMC9503076
DOI: 10.3390/ma15186393
PMID: 36143705
قاعدة البيانات: MEDLINE
الوصف
تدمد:1996-1944
DOI:10.3390/ma15186393