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Khajvand M, Drogui P, Arab H, Tyagi RD, Brien E. Hybrid process combining ultrafiltration and electro-oxidation for COD and nonylphenol ethoxylate removal from industrial laundry wastewater. CHEMOSPHERE 2024; 363:142931. [PMID: 39053780 DOI: 10.1016/j.chemosphere.2024.142931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 07/10/2024] [Accepted: 07/22/2024] [Indexed: 07/27/2024]
Abstract
Laundry wastewater is a significant source of nonylphenol ethoxylate (NPEO) at wastewater treatment plants, where its breakdown forms persistent nonylphenol (NP). NP poses risks as an endocrine disruptor in wildlife and humans. This study investigates the degradation of NPEO and COD in industrial laundry wastewater (LWW) using a two-stage process combining ultrafiltration (UF) and electro-oxidation (EO). UF was used to remove suspended solids, while soluble COD (COD0 = 239 ± 6 mg.L-1) and NPEO (NPEO0 = 341 ± 8 μg.L-1) were oxidized by the EO process. Different operating parameters were studied such as current density, electrolysis time, type of cathode and supporting electrolyte concentration. Using an experimental design methodology, the optimal conditions for COD and NPEO3-17 degradation were recorded. This included achieving 97% degradation of NPEO3-17 and 61% degradation of COD, with a total operating cost of 3.65 USD·m-3. These optimal conditions were recorded at a current density of 15 mA cm-2 for a 120-min reaction period in the presence of 4 g·Na2SO4 L-1 using a graphite cathode. The EO process allowed for reaching the guidelines required for water reuse (NPEO <200 μg.L-1, COD <100 mg.L-1) in the initial laundry washing cycles. Furthermore, our results demonstrate that both NP and NPEO compounds, including higher and shorter ethoxylate chains (NPEO3-17), were effectively degraded during the EO process, with removal efficiencies between 94% and 98%. This confirms the EO process's capability to effectively degrade NP, the by-product of NPEO breakdown.
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Affiliation(s)
- Mahdieh Khajvand
- Institut National de La Recherche Scientifique (INRS), Centre-Eau Terre Environnement (ETE), Université Du Québec, 490 Rue de La Couronne, Québec, G1K 9A9, Canada
| | - Patrick Drogui
- Institut National de La Recherche Scientifique (INRS), Centre-Eau Terre Environnement (ETE), Université Du Québec, 490 Rue de La Couronne, Québec, G1K 9A9, Canada.
| | - Hamed Arab
- Institut National de La Recherche Scientifique (INRS), Centre-Eau Terre Environnement (ETE), Université Du Québec, 490 Rue de La Couronne, Québec, G1K 9A9, Canada
| | - Rajeshwar Dayal Tyagi
- Research Centre for Eco-Environmental Engineering, Dongguan University of Technology, China; BOSK Bioproducts, Québec, Québec, Canada
| | - Emmanuel Brien
- Groupe Veos Inc, 1552 Rue Nationale, Terrebonne, Québec, J6W 6M1, Canada
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2
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Vargas-Berrones K, Ocampo-Perez R, Rodríguez-Torres I, Medellín-Castillo NA, Flores-Ramírez R. Molecularly imprinted polymers (MIPs) as efficient catalytic tools for the oxidative degradation of 4-nonylphenol and its by-products. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:90741-90756. [PMID: 37462867 DOI: 10.1007/s11356-023-28653-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 07/02/2023] [Indexed: 08/24/2023]
Abstract
Water pollution is a current global concern caused by emerging pollutants like nonylphenol (NP). This endocrine disruptor cannot be efficiently removed with traditional wastewater treatment plants (WTPs). Therefore, this work aimed to evaluate the adsorption influence of molecularly imprinted polymers (MIPs) on the oxidative degradation (ozone and ultraviolet irradiations) of 4-nonylphenol (4-NP) and its by-products as a coadjuvant in WTPs. MIPs were synthesized and characterized; the effect of the degradation rate under system operating conditions was studied by Box-Behnken response surface design of experiments. The variables evaluated were 4-NP concentration, ozone exposure time, pH, and MIP amount. Results show that the MIPs synthesized by co-precipitation and bulk polymerizations obtained the highest retention rates (> 90%). The maximum adsorption capacities for 4-NP were 201.1 mg L-1 and 500 mg L-1, respectively. The degradation percentages under O3 and UV conditions reached 98-100% at 120 s of exposure at different pHs. The degradation products of 4-NP were compounds with carboxylic and ketonic acids, and the MIP adsorption was between 50 and 60%. Our results present the first application of MIPs in oxidation processes for 4-NP, representing starting points for the use of highly selective materials to identify and remove emerging pollutants and their degradation by-products in environmental matrices.
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Affiliation(s)
- Karla Vargas-Berrones
- Instituto Tecnológico Superior de Rioverde, Ma del Rosario, San Ciro de Acosta-Rioverde 165, CP 79610, Rioverde, SLP, Mexico
| | - Raul Ocampo-Perez
- Centro de Investigación Y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, 78260, San Luis Potosí, Mexico
| | - Israel Rodríguez-Torres
- Instituto de Metalurgia-Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2a Sección, 78210, San Luis Potosí, San Luis Potosí, Mexico
| | - Nahúm A Medellín-Castillo
- Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Av. Manuel Nava No. 8, 78290, San Luis Potosí, SLP, Mexico
| | - Rogelio Flores-Ramírez
- Coordinación Para La Innovación Y Aplicación de La Ciencia Y La Tecnología (CIACYT), Colonia Lomas Segunda Sección, Avenida Sierra Leona No. 550, CP 78210, San Luis Potosí, SLP, Mexico.
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Badmus SO, Amusa HK, Oyehan TA, Saleh TA. Environmental risks and toxicity of surfactants: overview of analysis, assessment, and remediation techniques. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:62085-62104. [PMID: 34590224 PMCID: PMC8480275 DOI: 10.1007/s11356-021-16483-w] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 09/07/2021] [Indexed: 05/08/2023]
Abstract
This work comprehensively reviewed the toxicity and risks of various surfactants and their degraded products in the environmental matrices, various analytical procedures, and remediation methods for these surfactants. The findings revealed that the elevated concentration of surfactants and their degraded products disrupt microbial dynamics and their important biogeochemical processes, hinder plant-surviving processes and their ecological niche, and retard the human organic and systemic functionalities. The enormous adverse effects of surfactants on health and the environment necessitate the need to develop, select, and advance the various analytical and assessment techniques to achieve effective identification and quantification of several surfactants in different environmental matrices. Considering the presence of surfactants in trace concentration and environmental matrices, excellent analysis can only be achieved with appropriate extraction, purification, and preconcentration. Despite these pre-treatment procedures, the chromatographic technique is the preferred analytical technique considering its advancement and shortcomings of other techniques. In the literature, the choice or selection of remediation techniques for surfactants depends largely on eco-friendliness, cost-implications, energy requirements, regeneration potential, and generated sludge composition and volume. Hence, the applications of foam fractionation, electrochemical advanced oxidation processes, thermophilic aerobic membranes reactors, and advanced adsorbents are impressive in the clean-up of the surfactants in the environment. This article presents a compendium of knowledge on environmental toxicity and risks, analytical techniques, and remediation methods of surfactants as a guide for policymakers and researchers.
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Affiliation(s)
- Suaibu O Badmus
- Center for Integrative Petroleum Research, King Fahd University of Petroleum & Minerals, 31261, Dhahran, Saudi Arabia
| | - Hussein K Amusa
- Department of Chemical Engineering, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia
| | - Tajudeen A Oyehan
- Center for Integrative Petroleum Research, King Fahd University of Petroleum & Minerals, 31261, Dhahran, Saudi Arabia
| | - Tawfik A Saleh
- Department of Chemistry, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia.
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Synthesis of g-C3N4/BiVO4 heterojunction composites for photocatalytic degradation of nonylphenol ethoxylate. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117202] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Bio-Fenton reaction involved in the cleavage of the ethoxylate chain of nonionic surfactants by dihydrolipoamide dehydrogenase from Pseudomonas nitroreducens TX1. Sci Rep 2019; 9:6827. [PMID: 31048711 PMCID: PMC6497679 DOI: 10.1038/s41598-019-43266-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 01/11/2019] [Indexed: 11/17/2022] Open
Abstract
Bacteria in the environment play a major role in the degradation of widely used man-made recalcitrant organic compounds. Pseudomonas nitroreducens TX1 is of special interest because of its high efficiency to remove nonionic ethoxylated surfactants. In this study, a novel approach was demonstrated by a bacterial enzyme involved in the formation of radicals to attack ethoxylated surfactants. The dihydrolipoamide dehydrogenase was purified from the crude extract of strain TX1 by using octylphenol polyethoxylate (OPEOn) as substrate. The extent of removal of OPEOs during the degradation process was conducted by purified recombinant enzyme from E. coli BL21 (DE3) in the presence of the excess of metal mixtures (Mn2+, Mg2+, Zn2+, and Cu2+). The metabolites and the degradation rates were analyzed and determined by liquid chromatography-mass spectrometry. The enzyme was demonstrated to form Fenton reagent in the presence of an excess of metals. Under this in vitro condition, it was shown to be able to shorten the ethoxylate chains of OPEOn. After 2 hours of reaction, the products obtained from the degradation experiment revealed a prominent ion peak at m/z = 493.3, namely the ethoxylate chain unit is 6 (OPEO6) compared to OPEO9 (m/z = 625.3), the main undegraded surfactant in the no enzyme control. It revealed that the concentration of OPEO15 and OPEO9 decreased by 90% and 40% after 4 hours, respectively. The disappearance rates for the OPEOn homologs correlated to the length of the exothylate chains, suggesting it is not a specific enzymatic reaction which cleaves one unit by unit from the end of the ethoxylate chain. The results indicate the diverse and novel strategy by bacteria to catabolize organic compounds by using existing housekeeping enzyme(s).
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Barrera H, Roa‐Morales G, Balderas‐Hernández P, Barrera‐Díaz CE, Frontana‐Uribe BA. Catalytic Effect of Hydrogen Peroxide in the Electrochemical Treatment of Phenolic Pollutants using a BDD Anode. ChemElectroChem 2019. [DOI: 10.1002/celc.201900174] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Héctor Barrera
- Centro Conjunto de Investigación de Química Sustentable CCIQSUAEM-UNAM Carretera Toluca Atlacomulco, km 14.5, C.P. 50200 Toluca, Estado de México México
| | - Gabriela Roa‐Morales
- Centro Conjunto de Investigación de Química Sustentable CCIQSUAEM-UNAM Carretera Toluca Atlacomulco, km 14.5, C.P. 50200 Toluca, Estado de México México
| | - Patricia Balderas‐Hernández
- Centro Conjunto de Investigación de Química Sustentable CCIQSUAEM-UNAM Carretera Toluca Atlacomulco, km 14.5, C.P. 50200 Toluca, Estado de México México
| | - Carlos E. Barrera‐Díaz
- Centro Conjunto de Investigación de Química Sustentable CCIQSUAEM-UNAM Carretera Toluca Atlacomulco, km 14.5, C.P. 50200 Toluca, Estado de México México
| | - Bernardo A. Frontana‐Uribe
- Centro Conjunto de Investigación de Química Sustentable CCIQSUAEM-UNAM Carretera Toluca Atlacomulco, km 14.5, C.P. 50200 Toluca, Estado de México México
- Universidad Nacional Autónoma de MéxicoInstituto de Química Circuito exterior Ciudad Universitaria Ciudad de México 04510 México
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8
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Degradation of Triton X-100 surfactant/lipid regulator systems by ionizing radiation in water. J Radioanal Nucl Chem 2017. [DOI: 10.1007/s10967-017-5490-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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9
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Mohsenikia A, Gholami A, Masoum S, Abbasi S. Three-way spectrofluorimetric-assisted multivariate determination of nonylphenol ethoxylate and 2-naphtalene sulfonate in wastewater samples and optimization approach for their photocatalytic degradation by CoTiO 3 nanostructure. ENVIRONMENTAL TECHNOLOGY 2017; 38:2263-2272. [PMID: 27817248 DOI: 10.1080/09593330.2016.1256437] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 10/30/2016] [Indexed: 06/06/2023]
Abstract
This study presents a new strategy for the simultaneous quantification of two industrial contaminants. The excitation-emission fluorescence data matrix combined with a three-way chemometric method, such as parallel factor analysis, was used for the determination of nonylphenol ethoxylate (NPE-9) as a nonionic surfactant and 2-naphthalene sulfonate (2-NS) in waste water samples. It is noticeable that this method can resolve overlapping signal into spectral and relative concentration profiles. By spiking the known concentrations of these compounds in the wastewater samples, the accuracy of the proposed methods was validated and recoveries of the spiked values were calculated. High recoveries (i.e. 90-110%) obtained for the waste water samples indicate the present method can be used successfully to determine the analytes concentration in the environmental contaminations. The photocatalytic degradation of NPE-9 and 2-NS in aqueous solution was studied using the CoTiO3 nanoparticles catalyst. It was synthesized by the sol-gel technique. The catalytic activity of the prepared nanoparticles was measured in a batch photoreactor containing appropriate solutions of these compounds with UV irradiation. The photodegradation process of these compounds was optimized by using the central composite design. The CoTiO3 showed high activity for UV-photocatalytic degradation of NPE-9 and 2-NS.
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Affiliation(s)
- Atefeh Mohsenikia
- a Department of Analytical Chemistry, Faculty of Chemistry , University of Kashan , Kashan , I.R. Iran
| | - Ali Gholami
- a Department of Analytical Chemistry, Faculty of Chemistry , University of Kashan , Kashan , I.R. Iran
| | - Saeed Masoum
- a Department of Analytical Chemistry, Faculty of Chemistry , University of Kashan , Kashan , I.R. Iran
| | - Saleheh Abbasi
- a Department of Analytical Chemistry, Faculty of Chemistry , University of Kashan , Kashan , I.R. Iran
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Priac A, Morin-Crini N, Druart C, Gavoille S, Bradu C, Lagarrigue C, Torri G, Winterton P, Crini G. Alkylphenol and alkylphenol polyethoxylates in water and wastewater: A review of options for their elimination. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2014.05.011] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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11
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Arslan-Alaton I, Olmez-Hanci T, Khoei S, Fakhri H. Oxidative degradation of Triton X-45 using zero valent aluminum in the presence of hydrogen peroxide, persulfate and peroxymonosulfate. Catal Today 2017. [DOI: 10.1016/j.cattod.2016.04.039] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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12
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Jardak K, Drogui P, Daghrir R. Surfactants in aquatic and terrestrial environment: occurrence, behavior, and treatment processes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:3195-216. [PMID: 26590059 DOI: 10.1007/s11356-015-5803-x] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 11/11/2015] [Indexed: 05/20/2023]
Abstract
Surfactants belong to a group of chemicals that are well known for their cleaning properties. Their excessive use as ingredients in care products (e.g., shampoos, body wash) and in household cleaning products (e.g., dishwashing detergents, laundry detergents, hard-surface cleaners) has led to the discharge of highly contaminated wastewaters in aquatic and terrestrial environment. Once reached in the different environmental compartments (rivers, lakes, soils, and sediments), surfactants can undergo aerobic or anaerobic degradation. The most studied surfactants so far are linear alkylbenzene sulfonate (LAS), quaternary ammonium compounds (QACs), alkylphenol ethoxylate (APEOs), and alcohol ethoxylate (AEOs). Concentrations of surfactants in wastewaters can range between few micrograms to hundreds of milligrams in some cases, while it reaches several grams in sludge used for soil amendments in agricultural areas. Above the legislation standards, surfactants can be toxic to aquatic and terrestrial organisms which make treatment processes necessary before their discharge into the environment. Given this fact, biological and chemical processes should be considered for better surfactants removal. In this review, we investigate several issues with regard to: (1) the toxicity of surfactants in the environment, (2) their behavior in different ecological systems, (3) and the different treatment processes used in wastewater treatment plants in order to reduce the effects of surfactants on living organisms.
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Affiliation(s)
- K Jardak
- Institut national de la recherche scientifique (INRS-Eau Terre et Environnement), Université du Québec, 490 rue de la Couronne, Québec, Qc, G1K 9A9, Canada.
| | - P Drogui
- Institut national de la recherche scientifique (INRS-Eau Terre et Environnement), Université du Québec, 490 rue de la Couronne, Québec, Qc, G1K 9A9, Canada.
| | - R Daghrir
- Researcher in Water Technology Center, 696 avenue Sainte-Croix, Montréal, Québec, H4L 3Y2, Canada.
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13
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Iqbal M, Bhatti IA. Gamma radiation/H2O2 treatment of a nonylphenol ethoxylates: Degradation, cytotoxicity, and mutagenicity evaluation. JOURNAL OF HAZARDOUS MATERIALS 2015; 299:351-360. [PMID: 26143198 DOI: 10.1016/j.jhazmat.2015.06.045] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Revised: 06/09/2015] [Accepted: 06/18/2015] [Indexed: 06/04/2023]
Abstract
Gamma radiation/H2O2 treatment of nonylphenol polyethoxylates (NPEO) was performed and treatment effect was evaluated on the basis of degradation, chemical oxygen demand (COD) and total organic carbon (TOC), and toxicity reduction efficiencies. The radiolytic by-products were determined by Fourier Transform Infrared Spectroscopy (FTIR), High-Performance Liquid Chromatography (HPLC), and Gas Chromatography-Mass Spectrometry (GC-MS) techniques. Low mass carboxylic acids, aldehyde, ketone, and acetic acid were identified as the by-products of the NPEO degradation. NPEO sample irradiated to the absorbed dose of 15 kGy/4.58% H2O2 showed more than 90% degradation. Allium cepa (A. cepa), brine shrimp, heamolytic tests were used for cytotoxicity study, while mutagenicity was evaluated through Ames test (TA98 and TA100 strains) of treated and un-treated NPEO. The reductions in COD and TOC were greater than 70% and 50%, respectively. Gamma radiation/H2O2 treatment revealed a considerable reduction in cytotoxicity and mutagenicity. A. cepa, heamolytic and shrimp assays showed cytotoxicity reduction up to 68.65%, 77%, and 94%, respectively. The mutagenicity reduced up to 62%, 74%, and 79% (TA98) and 68%, 78%, and 82% (TA100), respectively of NPEO-6, NPEO-9, and NPEO-30 irradiated to the absorbed dose of 15 kGy/4.58% H2O2. NPEO-6 detoxified more efficiently versus NPEO-9 and NPEO-30 and results showed that Gamma radiation/H2O2 treatment has the potential to mineralize and detoxify NPEO.
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Affiliation(s)
- Munawar Iqbal
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar-25120, Pakistan.
| | - Ijaz Ahmad Bhatti
- Department of Chemistry, University of Agriculture, Faisalabad-38040, Pakistan
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14
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Olmez-Hanci T, Arslan-Alaton I, Dursun D, Genc B, Mita DG, Guida M, Mita L. Degradation and toxicity assessment of the nonionic surfactant Triton™ X-45 by the peroxymonosulfate/UV-C process. Photochem Photobiol Sci 2015; 14:569-75. [DOI: 10.1039/c4pp00230j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This paper discusses the degradation and mineralization of the nonionic surfactant and octylphenol polyethoxylate (OPEO) Triton™ X-45viathe peroxymonosulfate (PMS)/UV-C treatment process. The inhibitory effect of aqueous OPEO solution and its oxidation products was investigated by employing a battery of toxicity tests.
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Affiliation(s)
- T. Olmez-Hanci
- Istanbul Technical University
- Faculty of Civil Engineering
- Department of Environmental Engineering
- 34469 Maslak
- Turkey
| | - I. Arslan-Alaton
- Istanbul Technical University
- Faculty of Civil Engineering
- Department of Environmental Engineering
- 34469 Maslak
- Turkey
| | - D. Dursun
- Istanbul Technical University
- Faculty of Civil Engineering
- Department of Environmental Engineering
- 34469 Maslak
- Turkey
| | - B. Genc
- Istanbul Technical University
- Faculty of Civil Engineering
- Department of Environmental Engineering
- 34469 Maslak
- Turkey
| | - D. G. Mita
- I.N.B.B. – National Laboratory on Endocrine Disruptors – Via Pietro Castellino 111
- 80131 Napoli
- Italy
| | - M. Guida
- I.N.B.B. – National Laboratory on Endocrine Disruptors – Via Pietro Castellino 111
- 80131 Napoli
- Italy
- Università di Napoli Federico II
- Department of Biology
| | - L. Mita
- I.N.B.B. – National Laboratory on Endocrine Disruptors – Via Pietro Castellino 111
- 80131 Napoli
- Italy
- Seconda Università di Napoli
- Department of Experimental Medicine
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Senn AM, Russo YM, Litter MI. Treatment of wastewater from an alkaline cleaning solution by combined coagulation and photo-Fenton processes. Sep Purif Technol 2014. [DOI: 10.1016/j.seppur.2014.06.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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16
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Cui K, Yi H, Zhou ZJ, Zhuo QF, Bing YX, Guo QW, Xu ZC. Fenton Oxidation Kinetics and Intermediates of Nonylphenol Ethoxylates. ENVIRONMENTAL ENGINEERING SCIENCE 2014; 31:217-224. [PMID: 24868141 PMCID: PMC4027986 DOI: 10.1089/ees.2013.0308] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Accepted: 03/06/2014] [Indexed: 05/13/2023]
Abstract
Removal of nonylphenol ethoxylates (NPEOs) in aqueous solution by Fenton oxidation process was studied in a laboratory-scale batch reactor. Operating parameters, including initial pH temperature, hydrogen peroxide, and ferrous ion dosage, were thoroughly investigated. Maximum NPEOs reduction of 84% was achieved within 6 min, under an initial pH of 3.0, 25°C, an H2O2 dosage of 9.74×10-3 M, and a molar ratio of [H2O2]/[Fe2+] of 3. A modified pseudo-first-order kinetic model was found to well represent experimental results. Correlations of reaction rate constants and operational parameters were established based on experimental data. Results indicated that the Fenton oxidation rate and removal efficiency were more dependent on the dosage of H2O2 than Fe2+, and the apparent activation energy (ΔE) was 17.5 kJ/mol. High-performance liquid chromatography and gas chromatograph mass spectrometer analytical results indicated degradation of NPEOs obtained within the first 2 min stepwise occurred by ethoxyl (EO) unit shortening. Long-chain NPEOs mixture demonstrated a higher degradation rate than shorter-chain ones. Nonylphenol (NP), short-chain NPEOs, and NP carboxyethoxylates were identified as the primary intermediates, which were mostly further degraded.
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Affiliation(s)
- Kai Cui
- South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, China
- College of Resources & Environment, Hunan Agricultural University, Changsha, China
| | - Hao Yi
- South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, China
| | - Zi-jian Zhou
- South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, China
- College of Resources & Environment, Hunan Agricultural University, Changsha, China
| | - Qiong-fang Zhuo
- South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, China
| | - Yong-xin Bing
- South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, China
| | - Qing-wei Guo
- South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, China
- Corresponding authors: Qing-wei Guo, South China Institute of Environmental Sciences, MEP, Guangzhou 510655, China. Phone:+86 13512720676; Fax:+86 20-85558965; E-mail:Zhen-cheng Xu, College of Resources & Environment, Hunan Agricultural University, Changsha, China. Phone: +86 13922705219; E-mail:
| | - Zhen-cheng Xu
- College of Resources & Environment, Hunan Agricultural University, Changsha, China
- Corresponding authors: Qing-wei Guo, South China Institute of Environmental Sciences, MEP, Guangzhou 510655, China. Phone:+86 13512720676; Fax:+86 20-85558965; E-mail:Zhen-cheng Xu, College of Resources & Environment, Hunan Agricultural University, Changsha, China. Phone: +86 13922705219; E-mail:
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Sciubba L, Bertin L, Todaro D, Bettini C, Fava F, Di Gioia D. Biodegradation of low-ethoxylated nonylphenols in a bioreactor packed with a new ceramic support (Vukopor ® S10). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:3241-3253. [PMID: 24217973 DOI: 10.1007/s11356-013-2290-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Accepted: 10/24/2013] [Indexed: 06/02/2023]
Abstract
This work was aimed at studying the possibility of biodegrading 4-nonylphenol and low ethoxylated nonylphenol mixtures, which are particularly recalcitrant to microbial degradation, by employing a biofilm reactor packed with a ceramic support (Vukopor® S10). A selected microbial consortium (Consortium A) was used to colonize the support. 4-Nonylphenol and ethoxylated nonylphenol degradation and mineralization capabilities were studied both in batch and continuous mode. The results showed that Vukopor® S10 was able to be colonized by an active biofilm for the degradation of the target pollutants with the reactor operating both in batch and continuous mode. On the other hand, pollutant adsorption on the support was negligible. FISH showed equal proportion of Alphaproteobacteria and Gammaproteobacteria in the Igepal CO-520 degrading reactor. A shift towards high proportion of Gammaproteobacteria was observed by supplying Igepal CO-210. PCR-density gradient gel electrophoresis (DGGE) analyses also evidenced that the biofilm evolved with time by changing the mixture applied and that Proteobacteria were the most represented phylum in the biofilm. Taken together, the data obtained provide a strong indication that the biofilm reactor packed with Vukopor® S10 and inoculated with Consortium A could potentially be used to develop a technology for the decontamination of 4-nonylphenol and low ethoxylated nonylphenol polluted effluents.
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Affiliation(s)
- Luigi Sciubba
- Department of Agricultural Sciences, Alma Mater Studiorum, University of Bologna, viale Fanin, 44, 40127, Bologna, Italy
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Karci A. Degradation of chlorophenols and alkylphenol ethoxylates, two representative textile chemicals, in water by advanced oxidation processes: the state of the art on transformation products and toxicity. CHEMOSPHERE 2014; 99:1-18. [PMID: 24216260 DOI: 10.1016/j.chemosphere.2013.10.034] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Revised: 10/09/2013] [Accepted: 10/13/2013] [Indexed: 06/02/2023]
Abstract
Advanced oxidation processes based on the generation of reactive species including hydroxyl radicals are viable options in eliminating a wide array of refractory organic contaminants in industrial effluents. The assessment of transformation products and toxicity should be, however, the critical point that would allow the overall efficiency of advanced oxidation processes to be better understood and evaluated since some transformation products could have an inhibitory effect on certain organisms. This article reviews the most recent studies on transformation products and toxicity for evaluating advanced oxidation processes in eliminating classes of compounds described as "textile chemicals" from aqueous matrices and poses questions in need of further investigation. The scope of this paper is limited to the scientific studies with two classes of textile chemicals, namely chlorophenols and alkylphenol ethoxylates, whose use in textile industry is a matter of debate due to health risks to humans and harm to the environment. The article also raises the critical question: What is the state of the art knowledge on relationships between transformation products and toxicity?
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Affiliation(s)
- Akin Karci
- Bogazici University, Institute of Environmental Sciences, 34342 Bebek, Istanbul, Turkey.
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19
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Karci A, Arslan-Alaton I, Bekbolet M. Advanced oxidation of a commercially important nonionic surfactant: investigation of degradation products and toxicity. JOURNAL OF HAZARDOUS MATERIALS 2013; 263 Pt 2:275-282. [PMID: 23608751 DOI: 10.1016/j.jhazmat.2013.03.052] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Revised: 02/07/2013] [Accepted: 03/21/2013] [Indexed: 06/02/2023]
Abstract
The evolution of degradation products and changes in acute toxicity during advanced oxidation of the nonionic surfactant nonylphenol decaethoxylate (NP-10) with the H2O2/UV-C and photo-Fenton processes were investigated. H2O2/UV-C and photo-Fenton processes ensured complete removal of NP-10, which was accompanied by the generation of polyethylene glycols with 3-8 ethoxy units. Formation of aldehydes and low carbon carboxylic acids was evidenced. According to the acute toxicity tests carried out with Vibrio fischeri, degradation products being more inhibitory than the original NP-10 solution were formed after the H2O2/UV-C process, whereas the photo-Fenton process appeared to be toxicologically safer since acute toxicity did not increase relative to the original NP-10 solution after treatment. Temporal evolution of the acute toxicity was strongly correlated with the identified carboxylic acids being formed during the application of H2O2/UV-C and photo-Fenton processes.
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Affiliation(s)
- Akin Karci
- Boğaziçi University, Institute of Environmental Sciences, 34342 Bebek, Istanbul, Turkey.
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20
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Rezić I. Thin-layer chromatographic monitoring of sonolytic degradation of surfactants in wastewaters. JPC-J PLANAR CHROMAT 2013. [DOI: 10.1556/jpc.26.2013.1.15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Advanced Oxidation of Endocrine Disrupting Compounds: Review on Photo-Fenton Treatment of Alkylphenols and Bisphenol A. SPRINGERBRIEFS IN MOLECULAR SCIENCE 2012. [DOI: 10.1007/978-94-007-1430-4_5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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22
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Nagarnaik PM, Boulanger B. Advanced oxidation of alkylphenol ethoxylates in aqueous systems. CHEMOSPHERE 2011; 85:854-860. [PMID: 21784502 DOI: 10.1016/j.chemosphere.2011.06.105] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Revised: 06/27/2011] [Accepted: 06/28/2011] [Indexed: 05/31/2023]
Abstract
Alkylphenols and alkylphenol ethoxylates are ubiquitous wastewater contaminants. In this study the oxidation of nonylphenol ethoxylates (NPEO) and octylphenol ethoxylates (OPEO) by oxidant systems generating hydroxide radicals was evaluated. The reaction of each oxidant with a technical mixture of NPEO (Tergitol™) and OPEO (Triton X-100™) in ultrapure laboratory water and four aqueous environmental matrices was carried out in order to develop an understanding of reaction kinetics. The oxidation of APEOs was evaluated by hydroxyl radical generated by (1) hydrogen peroxide in the presence of ultraviolet light, (2) Fenton's reagent, and (3) a photo-Fenton's process. The second order kinetic rate constant for both NPEO and OPEO with hydroxyl radical was calculated to be 1.1×10¹⁰ M⁻¹ s⁻¹. The efficacy of the AOPs within an aqueous environmental matrix was dependent on the rate of formation of hydroxyl radical and the scavenging capacity of the matrix. A model based on the hydroxyl radical formation, scavenging capacity and the kinetic rate constant of target APEO was developed from the existing literature and applied to predict the concentration of APEOs in solution during advanced oxidation in different aqueous environmental matrices.
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Affiliation(s)
- Pranav M Nagarnaik
- Environmental and Water Resources Engineering Division, Zachry Department of Civil Engineering, Texas A&M University, College Station, TX 77843, USA
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Wang N, Zhu L, Lei M, She Y, Cao M, Tang H. Ligand-Induced Drastic Enhancement of Catalytic Activity of Nano-BiFeO3 for Oxidative Degradation of Bisphenol A. ACS Catal 2011. [DOI: 10.1021/cs2002862] [Citation(s) in RCA: 157] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Nan Wang
- College of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P.R. China
| | - Lihua Zhu
- College of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P.R. China
| | - Ming Lei
- College of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P.R. China
| | - Yuanbin She
- College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, P. R. China
| | - Meijuan Cao
- College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, P. R. China
| | - Heqing Tang
- College of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P.R. China
- Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission and Ministry of Education, College of Chemistry and Material Science, South-Central University for Nationalities, Wuhan 430074, P. R. China
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