Removal of fluoxetine from water by nanofiltration and reverse osmosis

This paper explores the use of nanofiltration (NF) and Reverse Osmosis (RO) to remove the pharmaceutical Fluoxetine (FLX) from water. This substance can be found in rivers and lakes and requires studies involving the application of efficient technologies for its removal or mitigation. The study evaluated NF and RO membranes as an alternative to remove Fluoxetine from water. NF removed fluoxetine within the range between 50 and 60%, and RO demonstrated higher efficiency in removing the drug (98.8%). RO is a suitable method as a complementary treatment of water to ensure a lower concentration of FLX in water.

Keywords:
emerging pollutants; environment; membrane technology; water treatment

Authorship

Talita Dalbosco

Instituto de Tecnologia. Universidade de Passo Fundo (UPF), BR 285, Km 292,7, Campus I, CEP: 99052-900, Passo Fundo, RS, Brazil. E-mail: taly_dalbosco@hotmail.com, jescadore@gmail.com, alessandra.pezzini14@gmail.com, nelson.bandeira@live.com, 163325@upf.br, 173910@upf.br, 170946@upf.br, 193013@upf.br, vandre@upf.br Universidade de Passo FundoBrazilPasso Fundo, RS, BrazilInstituto de Tecnologia. Universidade de Passo Fundo (UPF), BR 285, Km 292,7, Campus I, CEP: 99052-900, Passo Fundo, RS, Brazil. E-mail: taly_dalbosco@hotmail.com, jescadore@gmail.com, alessandra.pezzini14@gmail.com, nelson.bandeira@live.com, 163325@upf.br, 173910@upf.br, 170946@upf.br, 193013@upf.br, vandre@upf.br

https://orcid.org/0000-0002-9052-198X

Jéssica Stefanello Cadore ^**Corresponding author: Jéssica Stefanello Cadore, e-mail: jescadore@gmail.com

https://orcid.org/0000-0002-5868-4762

Alessandra Pezzini

https://orcid.org/0000-0002-5281-2399

Nelson Miguel Grubel Bandeira

https://orcid.org/0000-0002-9636-1606

Guilherme Otávio Moraes Giubel

https://orcid.org/0000-0003-4264-2047

Tauane Lazzari

https://orcid.org/0000-0002-4484-0146

Luiza Desengrini Barbizan

https://orcid.org/0000-0002-8442-4438

Dominique Trindade Novello

https://orcid.org/0000-0002-7214-9395

Vandré Barbosa Brião

https://orcid.org/0000-0001-7081-8674

^*Corresponding author: Jéssica Stefanello Cadore, e-mail: jescadore@gmail.com

SCIMAGO INSTITUTIONS RANKINGS

Figures | Tables | Formulas

Figures (3)
Tables (3)
Formulas (2)

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Figure 1.
Diagram of the pilot equipment used.

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Figure 2.
Permeate flux across the NF membrane at different concentrations of fluoxetine after 1 h.

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Figure 3.
Permeate flux across the RO membrane at different pressures in the separation of fluoxetine (20 mg L^-1).

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Table 1.
Operating condition and composition of the test solutions.

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Table 2.
FLX rejection by NF at different concentrations.

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Table 3.
Rejection of FLX in the RO membrane at different pressures.

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(1)

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(2)

Figure 1. Diagram of the pilot equipment used.

Source: Adapted from Brião et al. (2019)BRIÃO, V. B.; SALLA, A. C. V.; MIORANDO, T.; HEMKEMEIER, M.; FAVARETTO, D. P. C. Water recovery from dairy rinse water by reverse osmosis: Giving value to water and milk solids. Resources. Conservation & Recycling, v. 140, p. 313-323, 2019. https://doi.org/10.1016/j.resconrec.2018.10.007
https://doi.org/10.1016/j.resconrec.2018...

Figure 2. Permeate flux across the NF membrane at different concentrations of fluoxetine after 1 h.

Figure 3. Permeate flux across the RO membrane at different pressures in the separation of fluoxetine (20 mg L^-1).

Table 1. Operating condition and composition of the test solutions.

	Pressure (kPa)	FLX concentration (mg L^-1)	Temperature (°C)	pH
NF	600	1.0; 5.0; 10; 15; 20	25 ± 2°C	6.8 to 7.1
RO	600; 800; 1000; 1300;1500	20	25 ± 2°C	6.8 to 7.1

Table 2. FLX rejection by NF at different concentrations.

Concentration (mg L^-1)	1.0	5.0	10.0	15.0	20.0
Rejection (%)	59.9±4.7^a	59.9±0.7^a	56.0±2.5^a	56.5±1.5^a	56.1±2.7^a

^a
Indicates statistically similar values on the same row.

Table 3. Rejection of FLX in the RO membrane at different pressures.

Pressure (kPa)	600	800	1000	1300	1500
Rejection (%)	98.8±0.7^a	98.8±0.8^a	98.8±0.7^a	98.5±0.5^a	98.8±0.8^a

^a
Indicates statistically similar values on the same row.

(1)

J = (\frac{F l o w}{A m})

(2)

R = (1 - \frac{C p}{C r}) . 100

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Instituto de Pesquisas Ambientais em Bacias Hidrográficas Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHi), Estrada Mun. Dr. José Luis Cembranelli, 5000, Taubaté, SP, Brasil, CEP 12081-010 - Taubaté - SP - Brazil
E-mail: ambi.agua@gmail.com

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Removal of fluoxetine from water by nanofiltration and reverse osmosis

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[1] ^*Corresponding author: Jéssica Stefanello Cadore, e-mail: jescadore@gmail.com