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Ríos F, Caparrós-Salvador F, Lechuga M, Fernández-Serrano M. Complete biodegradability assessment of polyoxyethylene glycerol ester non-ionic surfactant: Aerobic, anaerobic, combined biodegradation and inhibitory effects. WATER RESEARCH 2024; 248:120857. [PMID: 37988809 DOI: 10.1016/j.watres.2023.120857] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/23/2023] [Accepted: 11/10/2023] [Indexed: 11/23/2023]
Abstract
Aerobic and anaerobic biodegradability have become one of the most relevant characteristics for all contaminants. This is especially important in case of surfactants, which are discharged in wastewater treatment plants or directly into the aquatic bodies. The aim of this study is the integral assessment of the biodegradability of the non-ionic surfactant polyoxyethylene glycerol ester PGE-OE17. The aerobic and anaerobic biodegradation of PGE-OE17 was evaluated at different initial surfactant concentrations, and the evolution of the toxicity of the surfactant and its by-products was followed during the aerobic and anaerobic processes using bacteria Vibrio fischeri. PGE-OE17 was not completely biodegradable neither aerobically nor anaerobically, and the increase in the initial surfactant concentration had a negative effect in the biodegradation. Toxicity of the surfactant solutions and degradation by-products had a first increase followed by a gradual decrease during both tests, revealing that toxic substances released can harm the microorganisms and therefore hinder the biodegradation. Additionally, combined aerobic-anaerobic biodegradation tests were performed, consisting in a first aerobic treatment of different duration and initial concentration, followed by a complete anaerobic treatment. Results showed that a balance between aerobic and anaerobic biodegradation duration can maximize the biodegradation rates in comparison with only aerobic or anaerobic tests.
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Affiliation(s)
- Francisco Ríos
- Department of Chemical Engineering, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n. 18071 Granada, Spain.
| | - Francisco Caparrós-Salvador
- Department of Chemical Engineering, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n. 18071 Granada, Spain
| | - Manuela Lechuga
- Department of Chemical Engineering, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n. 18071 Granada, Spain
| | - Mercedes Fernández-Serrano
- Department of Chemical Engineering, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n. 18071 Granada, Spain
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Du W, Huang X, Zhang J, Wang D, Yang Q, Li X. Enhancing methane production from anaerobic digestion of waste activated sludge with addition of sodium lauroyl sarcosinate. BIORESOURCE TECHNOLOGY 2021; 336:125321. [PMID: 34091271 DOI: 10.1016/j.biortech.2021.125321] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/16/2021] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
In this study, sodium lauroyl sarcosinate (SLS) was used to promote anaerobic digestion of waste activated sludge for producing methane. It was found maximum cumulative methane production increased from 98.1 ± 3.1 to 166.0 ± 4.3 mL/g Volatile Suspended Solids (VSS) with dosage increasing from 0 (control) to 40 mg SLS/g TSS. But the addition of SLS (>10 mg SLS/g Total Suspended Solids (TSS)) resulted in prolonged lag phase time. Microbiological analysis showed that Syntrophobacter and Syntrophomonas both got enriched in reactors fed with SLS. Furthermore, hydrogenotrophic methanogens genus got more enrichment in contrast to acetoclastic methanogens. Mechanism analysis indicated that addition SLS could decrease surface tension, and promote release of organic matters as well as improve activities of hydrolytic enzymes. Besides, SLS could be nearly degraded completely within 3 days, and its degradation intermediates could be further transformed into methane gradually, thus enhancing methane production eventually.
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Affiliation(s)
- Wenjie Du
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Xiaoding Huang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Jiamin Zhang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Dongbo Wang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Qi Yang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Xiaoming Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.
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Chen H, Fu D, Zhou X, Liu H, Xu B. Synthesis and pH-stimuli responsive research of gemini amine-oxide surfactants containing amides. RSC Adv 2020; 10:44387-44396. [PMID: 35517131 PMCID: PMC9058489 DOI: 10.1039/d0ra07363f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 11/21/2020] [Indexed: 11/21/2022] Open
Abstract
The series of gemini amine-oxide surfactants with the formula C n H2n+1CONH(CH2)2N+O-(CH3)-(CH2)3-(CH3)N+O-(CH2)2NHCOC n H2n+1 (n = 11, 13, 15, and 17) has been synthesized successfully. Their isoelectric point and acid dissociation constant were measured to determine the ionization form of the surfactant molecules in aqueous solution within different pH values. The studies showed that the length of the hydrophobic alkyl chains had a great influence on the pH-stimuli responsive behavior of these surfactants. When n ≤ 13 (n-3-n-OA), the regularity of the pH-stimuli responsive behavior of the surfactant solutions was relatively consistent, while the surfactants with longer hydrophobic alkyl chain lengths lost this regularity (n ≥ 15). In addition, vesicles were observed in most of these surfactant aqueous solutions, with the exception of 11-3-11-OA. Moreover, the obvious flocculation phenomenon was observed within the range of pH 4-5, and they flocculated rapidly when they approached their isoelectric points. This process was reversible, which brought more possibilities for their application in drug delivery and release.
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Affiliation(s)
- Hanyu Chen
- School of Light Industry, Beijing Key Laboratory of Flavor Chemistry, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University No. 11 Fucheng Road Beijing 100048 People's Republic of China
| | - Duojiao Fu
- School of Light Industry, Beijing Key Laboratory of Flavor Chemistry, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University No. 11 Fucheng Road Beijing 100048 People's Republic of China
| | - Xiqin Zhou
- School of Light Industry, Beijing Key Laboratory of Flavor Chemistry, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University No. 11 Fucheng Road Beijing 100048 People's Republic of China
| | - Hongqin Liu
- School of Light Industry, Beijing Key Laboratory of Flavor Chemistry, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University No. 11 Fucheng Road Beijing 100048 People's Republic of China
| | - Baocai Xu
- School of Light Industry, Beijing Key Laboratory of Flavor Chemistry, Beijing Higher Institution Engineering Research Center of Food Additives and Ingredients, Beijing Technology and Business University No. 11 Fucheng Road Beijing 100048 People's Republic of China
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Li K, Chen X, Xu H. Synthesis and Properties of Amphoteric Amide Surfactants with Reactive Group. TENSIDE SURFACT DET 2019. [DOI: 10.3139/113.110624] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Three reactive amphoteric surfactants (M10, M12 and M14) with different alkyl chain lengths have been synthesized using N,N'-dimethyl-1,3-propyldiamine, maleic anhydride and alkyl bromide as raw materials. The compounds had been characterized by mass spectrometry and 1H-NMR. The critical micelle concentration (CMC) and the corresponding surface tension (γCMC) of M10, M12 and M14 were measured at temperatures from 298 K to 313 K. The results showed that the CMC of M10, M12 and M14 are 5,89 × 10−4 mol L−1, 2,63 × 10−4 mol L−1 and 1,35 × 10−4 mol L−1. The γCMC of M10, M12 and M14 are 31.26 mN m−1, 28.79 mN m−1, and 26.87 mN m−1 at 298 K respectively. As the temperature rises, the CMC and the minimum molecule area (Amin) increased gradually, but the γCMC and the maximum surface adsorption capacity (Γmax) decreased moderately. The micelle aggregation number (Nm) was determined and changed slightly in the temperature range of 298 K–313 K, which showed that the micelle aggregation number was insensitive to the temperature change.
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Affiliation(s)
- Ke Li
- School of Chemical and Material Engineering , Jiangnan University, Wuxi 214122 , P.R. China
- Key Laboratory of Synthetic and Biological Colloids , Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122 , China
| | - Xiuying Chen
- School of Chemical and Material Engineering , Jiangnan University, Wuxi 214122 , P.R. China
- Key Laboratory of Synthetic and Biological Colloids , Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122 , China
| | - Hujun Xu
- School of Chemical and Material Engineering , Jiangnan University, Wuxi 214122 , P.R. China
- Key Laboratory of Synthetic and Biological Colloids , Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122 , China
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Fabozzi A, Russo Krauss I, Vitiello R, Fornasier M, Sicignano L, King S, Guido S, Jones C, Paduano L, Murgia S, D'Errico G. Branched alkyldimethylamine oxide surfactants: An effective strategy for the design of high concentration/low viscosity surfactant formulations. J Colloid Interface Sci 2019; 552:448-463. [PMID: 31151022 DOI: 10.1016/j.jcis.2019.05.052] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/16/2019] [Accepted: 05/17/2019] [Indexed: 10/26/2022]
Abstract
HYPOTHESIS The rational design of branched-tail surfactants is a suitable strategy to obtain low-viscosity surfactant-rich isotropic aqueous mixtures with negligible effects on biodegradability. This opens a way to the design of concentrated ("water-free") surfactant formulations, highly attractive for their ecological and economic benefits. EXPERIMENTS The aggregation behaviour of N,N-dimethyl-2-propylheptan-1-amine oxide (C10DAO-branched) in aqueous mixtures is investigated across the entire composition range by polarized optical microscopy, small angle X-ray and neutron scattering, electron paramagnetic resonance, and pulse-gradient stimulated echo nuclear magnetic resonance. The humidity scanning quartz crystal microbalance with dissipation monitoring technique is validated as a tool for the fast screening of surfactants phase behaviour. Furthermore, the shear viscosities and viscoelastic moduli of the systems are determined by rheological measurements. FINDINGS With respect to the linear isomer, C10DAO-branched presents a much lower tendency to form lyotropic liquid crystalline phases. Except for a narrow composition and temperature range in which a lamellar structure is observed, C10DAO-branched aqueous mixtures are isotropic liquids whose microstructure changes, with increasing concentration, from micellar solutions to unstructured dispersions of hydrated surfactant molecules. Low-viscosity was found for all these mixtures, including the most concentrated ones. Thus, the introduction of a single short side-chain in the tail is demonstrated to be an effective approach to increase the active concentration in surfactant formulations.
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Affiliation(s)
- Antonio Fabozzi
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 4, Complesso Universitario di Monte Sant'Angelo, I-80126 Naples, Italy
| | - Irene Russo Krauss
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 4, Complesso Universitario di Monte Sant'Angelo, I-80126 Naples, Italy; CSGI, Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase, Via della Lastruccia 3, I-50019 Sesto Fiorentino, Florence, Italy
| | - Rosa Vitiello
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 4, Complesso Universitario di Monte Sant'Angelo, I-80126 Naples, Italy
| | - Marco Fornasier
- Department of Chemical and Geological Sciences, University of Cagliari, s.s. 554 bivio Sestu, Monserrato, CA I-09042, Italy
| | - Luca Sicignano
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, P.le V. Tecchio 80, I-80125 Naples, Italy
| | - Stephen King
- ISIS Pulsed Neutron & Muon Source, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Harwell Campus, Didcot OX11 0QX, United Kingdom
| | - Stefano Guido
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, P.le V. Tecchio 80, I-80125 Naples, Italy
| | - Christopher Jones
- Procter & Gamble Innovation Centre, Strombeek-Bever Temseelan 100, B-1853, Brussels, Belgium
| | - Luigi Paduano
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 4, Complesso Universitario di Monte Sant'Angelo, I-80126 Naples, Italy; CSGI, Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase, Via della Lastruccia 3, I-50019 Sesto Fiorentino, Florence, Italy
| | - Sergio Murgia
- CSGI, Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase, Via della Lastruccia 3, I-50019 Sesto Fiorentino, Florence, Italy; Department of Chemical and Geological Sciences, University of Cagliari, s.s. 554 bivio Sestu, Monserrato, CA I-09042, Italy.
| | - Gerardino D'Errico
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 4, Complesso Universitario di Monte Sant'Angelo, I-80126 Naples, Italy; CSGI, Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase, Via della Lastruccia 3, I-50019 Sesto Fiorentino, Florence, Italy.
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Fabozzi A, Vitiello R, Russo Krauss I, Iuliano M, De Tommaso G, Amoresano A, Pinto G, Paduano L, Jones C, Di Serio M, D'Errico G. Synthesis, Surface Properties, and Self-Aggregation Behavior of a Branched N
,N
-Dimethylalkylamine Oxide Surfactant. J SURFACTANTS DETERG 2018. [DOI: 10.1002/jsde.12205] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Antonio Fabozzi
- Department of Chemical Sciences; University of Naples Federico II, Via Cintia 4, M. Sant Angelo; 80126 Naples Italy
| | - Rosa Vitiello
- Department of Chemical Sciences; University of Naples Federico II, Via Cintia 4, M. Sant Angelo; 80126 Naples Italy
| | - Irene Russo Krauss
- Department of Chemical Sciences; University of Naples Federico II, Via Cintia 4, M. Sant Angelo; 80126 Naples Italy
- CSGI, Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase, Via della Lastruccia 3, 50019 Sesto Fiorentino; Florence Italy
| | - Mauro Iuliano
- Department of Chemical Sciences; University of Naples Federico II, Via Cintia 4, M. Sant Angelo; 80126 Naples Italy
| | - Gaetano De Tommaso
- Department of Chemical Sciences; University of Naples Federico II, Via Cintia 4, M. Sant Angelo; 80126 Naples Italy
| | - Angela Amoresano
- Department of Chemical Sciences; University of Naples Federico II, Via Cintia 4, M. Sant Angelo; 80126 Naples Italy
| | - Gabriella Pinto
- Department of Chemical Sciences; University of Naples Federico II, Via Cintia 4, M. Sant Angelo; 80126 Naples Italy
| | - Luigi Paduano
- Department of Chemical Sciences; University of Naples Federico II, Via Cintia 4, M. Sant Angelo; 80126 Naples Italy
- CSGI, Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase, Via della Lastruccia 3, 50019 Sesto Fiorentino; Florence Italy
| | - Christopher Jones
- Procter & Gamble Innovation Centre, Strombeek-Bever Temseelan 100; B-1853 Brussels Belgium
| | - Martino Di Serio
- Department of Chemical Sciences; University of Naples Federico II, Via Cintia 4, M. Sant Angelo; 80126 Naples Italy
| | - Gerardino D'Errico
- Department of Chemical Sciences; University of Naples Federico II, Via Cintia 4, M. Sant Angelo; 80126 Naples Italy
- CSGI, Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase, Via della Lastruccia 3, 50019 Sesto Fiorentino; Florence Italy
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Ríos F, Fernández-Arteaga A, Fernández-Serrano M, Jurado E, Lechuga M. Silica micro- and nanoparticles reduce the toxicity of surfactant solutions. JOURNAL OF HAZARDOUS MATERIALS 2018; 353:436-443. [PMID: 29704795 DOI: 10.1016/j.jhazmat.2018.04.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 04/13/2018] [Accepted: 04/18/2018] [Indexed: 06/08/2023]
Abstract
In this work, the toxicity of hydrophilic fumed silica micro- and nanoparticles of various sizes (7 nm, 12 nm, and 50 μm) was evaluated using the luminescent bacteria Vibrio fischeri. In addition, the toxicity of an anionic surfactant solution (ether carboxylic acid), a nonionic surfactant solution (alkyl polyglucoside), and a binary (1:1) mixture of these solutions all containing these silica particles was evaluated. Furthermore, this work discusses the adsorption of surfactants onto particle surfaces and evaluates the effects of silica particles on the surface tension and critical micellar concentration (CMC) of these anionic and nonionic surfactants. It was determined that silica particles can be considered as non-toxic and that silica particles reduce the toxicity of surfactant solutions. Nevertheless, the toxicity reduction depends on the ionic character of the surfactants. Differences can be explained by the different adsorption behavior of surfactants onto the particle surface, which is weaker for nonionic surfactants than for anionic surfactants. Regarding the effects on surface tension, it was found that silica particles increased the surface activity of anionic surfactants and considerably reduced their CMC, whereas in the case of nonionic surfactants, the effects were reversed.
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Affiliation(s)
- Francisco Ríos
- Department of Chemical Engineering, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n., 18071, Granada, Spain.
| | - Alejandro Fernández-Arteaga
- Department of Chemical Engineering, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n., 18071, Granada, Spain
| | - Mercedes Fernández-Serrano
- Department of Chemical Engineering, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n., 18071, Granada, Spain
| | - Encarnación Jurado
- Department of Chemical Engineering, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n., 18071, Granada, Spain
| | - Manuela Lechuga
- Department of Chemical Engineering, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n., 18071, Granada, Spain
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