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Study of flux, permeability, fouling and metal removal capacity of PVDF membranes with functionalized surface

Grant number: 17/03638-7
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): August 31, 2017
Effective date (End): August 30, 2018
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal researcher:Aldo Eloizo Job
Grantee:Guilherme Dognani
Supervisor abroad: Benjamin Hsiao
Home Institution: Faculdade de Ciências e Tecnologia (FCT). Universidade Estadual Paulista (UNESP). Campus de Presidente Prudente. Presidente Prudente , SP, Brazil
Research place: Stony Brook University (SB), United States  
Associated to the scholarship:15/21261-2 - Development of water pre-filters from PVDF electrospun membranes with functionalized surface for adsorption of CR6+, BP.DR


This project is directly linked to the FAPESP process number 2015/21261-2 named "Desenvolvimento de Pré-filtros de água a partir de membranas eletrofiadas de PVDF com superfície funcionalizada para adsorção do Cr6+" in the category Bolsa Regular no País - Doutorado. In this BEPE's proposal (Bolsa de Estágio de Pesquisa no Exterior) will be studied some important properties of the PVDF (poly(vinylidene fluoride-hexafluoropropylene)) electrospun membranes previously produced at LabElTec (Laboratório de Eletrofiação e Tecnologia) - FCT/UNESP. The membranes were produced by carrying out an extensive study of process parameters, thereby were found out the greatest parameters for obtain the nanofibers membrane with homogeneity in the pore distribution. After obtained the membranes their surfaces were functionalized with polyaniline (PAni) which has the ability to adsorb the Cr6+ íons. Chromium hexavalent is highly toxic to the health of living organisms, being carcinogenic and mutagenic. Will be carried out the filtrations tests as flux and permeability; the metal removal capacity; the fouling and the possible polarization by concentration phenomenon. In addition to the scientific contribution to produce membranes for filtration evaluating theirs adsorption of Cr6+, this work will also have a technological contribution producing new filters and metal removers that can be applied in various sectors of industry such as tanneries, textile, electroplating and other industries. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DOGNANI, GUILHERME; HADI, PEJMAN; MA, HONGYANG; CABRERA, FLAVIO C.; JOB, ALDO E.; AGOSTINI, DEUBER L. S.; HSIAO, BENJAMIN S.. Effective chromium removal from water by polyaniline-coated electrospun adsorbent membrane. CHEMICAL ENGINEERING JOURNAL, v. 372, p. 341-351, . (15/21261-2, 17/03638-7)
GUILHERME DOGNANI; FLÁVIO CAMARGO CABRERA; DALITA GOMES SILVA MORAIS CAVALCANTE; ROSANE FREIRE BOINA; ALDO ELOÍZO JOB; DEUBER LINCON DA SILVA AGOSTINI. Nanofibrous Membranes for Low-Concentration CrVI Adsorption: Kinetic, Thermodynamic and the Influence on ZFL Cells Viability. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 24, . (15/21261-2, 17/03638-7, 16/06288-4)
DOGNANI, GUILHERME; CABRERA, FLAVIO CAMARGO; SILVA MORAIS CAVALCANTE, DALITA GOMES; BOINA, ROSANE FREIRE; JOB, ALDO ELOIZO; DA SILVA AGOSTINI, DEUBER LINCON. Nanofibrous Membranes for Low-Concentration Cr-VI Adsorption: Kinetic, Thermodynamic and the Influence on ZFL Cells Viability. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 24, n. 1, . (17/03638-7, 16/06288-4, 15/21261-2)

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