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Coffin ES, Reeves DM, Cassidy DP, Danielson ND, Henry MA. PFAS distribution in cascade derived foam at wastewater treatment plants: The role of non-linear drainage, collapse induced enrichment, and implications for removal. JOURNAL OF HAZARDOUS MATERIALS 2024; 477:135334. [PMID: 39096635 DOI: 10.1016/j.jhazmat.2024.135334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 07/08/2024] [Accepted: 07/25/2024] [Indexed: 08/05/2024]
Abstract
Per- and polyfluorinated alkyl substances (PFAS) enrichment in foam was investigated for the first time at a wastewater treatment plant cascade. A novel sampling device was utilized to allow spatial and temporal heterogeneity in PFAS concentrations and liquid content to be characterized. Concentrations of 8 PFAS compounds were normalized to liquid content and fit to a power law model revealing strong correlation (R2 = 0.91) between drainage induced enrichment and PFAS molar volume. Short chain PFAS such as perfluorobutanoate (PFBA) exhibited minor to no enrichment factors in foam (0.24-5.9) compared to effluent concentrations across the range of foam liquid contents (0.28-6.24 %), while long chain compounds such as perfluorooctane sulfonate (PFOS) became highly enriched with factors of 295-143,000. A conceptual model is proposed to explain higher than expected enrichment of more surface-active PFAS relative to liquid content, which combines continuous partitioning of PFAS to air bubbles during foam formation with additional partitioning during non-linear drainage and foam collapse, both controlled by their affinity for the air-water interface. Scoping calculations suggest the majority of PFOS and other long chain PFAS may be removed if foam is continuously collected with potential to reduce waste volume under economic barriers for current destructive technologies.
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Affiliation(s)
- Ethan S Coffin
- Department of Geological and Environmental Sciences, Western Michigan University, 1903 W. Michigan Ave, Kalamazoo, MI 49008-5241, USA.
| | - Donald M Reeves
- Department of Geological and Environmental Sciences, Western Michigan University, 1903 W. Michigan Ave, Kalamazoo, MI 49008-5241, USA
| | - Daniel P Cassidy
- Department of Geological and Environmental Sciences, Western Michigan University, 1903 W. Michigan Ave, Kalamazoo, MI 49008-5241, USA
| | - Neil D Danielson
- Department of Chemistry and Biochemistry, Miami University, 651 E. High Street, Oxford, OH 45056-1846, USA
| | - Mark A Henry
- M.H.E. Products, 3371 Sherman Rd, East Tawas, MI 48730, USA
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Zhang L, Yang L, Li Y, Ma J, Du X, Cao C, Jia Y, Li R. Ultrasonic treatment of foam for the prevention of foam-induced pepsin inactivation. Colloids Surf B Biointerfaces 2022; 221:113021. [DOI: 10.1016/j.colsurfb.2022.113021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/10/2022] [Accepted: 11/12/2022] [Indexed: 11/16/2022]
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Wang Z, Zhang W, Gan W, Nie S, Gao H, Song L. Preparation of dioscin from Trigonella foenum-graecum by foam separation–preparative high-performance liquid chromatography. Eur Food Res Technol 2021. [DOI: 10.1007/s00217-021-03893-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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4
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Alkarawi MA, Caldwell GS, Lee JG. Continuous foam flotation harvesting with enhanced drainage: Overcoming the recovery-enrichment paradox. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Bernardi S, Lupatini-Menegotto AL, Kalschne DL, Moraes Flores ÉL, Bittencourt PRS, Colla E, Canan C. Ultrasound: a suitable technology to improve the extraction and techno-functional properties of vegetable food proteins. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2021; 76:1-11. [PMID: 33638764 DOI: 10.1007/s11130-021-00884-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 02/11/2021] [Accepted: 02/14/2021] [Indexed: 06/12/2023]
Abstract
Vegetable-based proteins may be extracted from different sources using different extraction methods, among them, ultrasound-assisted extraction stands out. This review presents the current knowledge on ultrasound-assisted extraction (UAE) and the functional properties of extracted vegetable proteins. Ultrasound generates cavitation in a liquid medium, defined as gas and vapor microbubbles collapse under pressure changes large enough to separate them in the medium. Cavitation facilitates the solvent and solid interaction, increasing yield and reducing extraction periods and temperature used. Moreover, ultrasound treatment changed extracted protein properties such as solubility, hydrophobicity, emulsifying and foam, water and oil absorption capacity, viscosity, and gelatinization. Ultrasound-assisted extraction is a promising technique for the food technology sector, presenting low environmental impact, lower energy and solvent consumption, and it is in accordance with green chemistry technology and sustainable concepts.
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Affiliation(s)
- Silvia Bernardi
- Departamento de Alimentos, Universidade Tecnológica Federal do Paraná (UTFPR), P.O. Box: 271, Medianeira, Paraná, 85.884-000, Brazil
| | - Anne Luize Lupatini-Menegotto
- Departamento de Alimentos, Universidade Tecnológica Federal do Paraná (UTFPR), P.O. Box: 271, Medianeira, Paraná, 85.884-000, Brazil
| | - Daneysa Lahis Kalschne
- Departamento de Alimentos, Universidade Tecnológica Federal do Paraná (UTFPR), P.O. Box: 271, Medianeira, Paraná, 85.884-000, Brazil
| | - Éder Lisandro Moraes Flores
- Departamento de Química, Universidade Tecnológica Federal do Paraná (UTFPR), P.O. Box: 271, Medianeira, Paraná, 85.884-000, Brazil
| | - Paulo Rodrigo Stival Bittencourt
- Departamento de Química, Universidade Tecnológica Federal do Paraná (UTFPR), P.O. Box: 271, Medianeira, Paraná, 85.884-000, Brazil
| | - Eliane Colla
- Departamento de Alimentos, Universidade Tecnológica Federal do Paraná (UTFPR), P.O. Box: 271, Medianeira, Paraná, 85.884-000, Brazil
| | - Cristiane Canan
- Departamento de Alimentos, Universidade Tecnológica Federal do Paraná (UTFPR), P.O. Box: 271, Medianeira, Paraná, 85.884-000, Brazil.
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Qin T, Goual L, Piri M, Hu Z, Wen D. Pore-scale dynamics of nanofluid-enhanced NAPL displacement in carbonate rock. JOURNAL OF CONTAMINANT HYDROLOGY 2020; 230:103598. [PMID: 31898982 DOI: 10.1016/j.jconhyd.2019.103598] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 12/16/2019] [Accepted: 12/19/2019] [Indexed: 06/10/2023]
Abstract
This study presents a pore-scale investigation of two-phase flow dynamics during nanofluid flooding in subsurface formations containing non-aqueous phase liquids (NAPLs) such as crude oils. The goal was to gain fundamental understanding of the dominant displacement mechanisms of NAPL at different stages of nanofluid injection in a carbonate rock using x-ray microtomography integrated with a miniature core-flooding system. The nanofluid consisted of surfactant-based microemulsions with in-situ synthesized silica nanoparticles. After establishing its initial wettability state, the carbonate core sample was subjected to various pore volumes (PV) of nanofluid flooding (from 0.5 to 10) to examine the impact on NAPL flow dynamics. We found that most NAPL mobilization occurred within the first PV of injection, removing nearly 50% of NAPL from the rock. The nanofluid invaded into larger pores first due to a sharp decrease in NAPL/brine interfacial tension (from 14 to 0.5 mN/m) and contact angle (from 140 to 88°). With higher amount of nanofluid delivered into the pores through advection, over 90% of NAPL droplets were emulsified and their size decreased from 9 to 3 μm. Subsequent nanofluid injection could further remove NAPL from the smaller pores by altering the thickness of NAPL layers adsorbed on the rock. This dynamic solubilization process reached equilibrium after 5 PV of injection, leading to a reduced layer thickness (from 12 to 0.2 μm), a narrower in-situ contact angle distribution around 81°, and an additional 16% of NAPL removal.
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Affiliation(s)
- Tianzhu Qin
- Department of Petroleum Engineering, University of Wyoming, Laramie, WY 82071, USA
| | - Lamia Goual
- Department of Petroleum Engineering, University of Wyoming, Laramie, WY 82071, USA.
| | - Mohammad Piri
- Department of Petroleum Engineering, University of Wyoming, Laramie, WY 82071, USA
| | - Zhongliang Hu
- Department of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, UK
| | - Dongsheng Wen
- Department of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, UK
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Ghosh R, Hareendran H, Subramaniam P. Adsorption of Fluoroquinolone Antibiotics at the Gas-Liquid Interface Using Ionic Surfactants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:12839-12850. [PMID: 31495173 DOI: 10.1021/acs.langmuir.9b02431] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The overuse of antibiotics in today's society has resulted in high concentrations of pharmaceutical contaminants in the natural environment. In this work, we investigated the surfactant-mediated adsorption of fluoroquinolone (FQ) antibiotics at the gas-liquid interface and their separation using a semi-batch foam fractionation process. FQs being a zwitterionic compound have an affinity to bind with both cationic and anionic surfactants. The adsorption of FQs to the gas-liquid interface was investigated using a cationic cetyltrimethylammonium bromide (CTAB) and anionic sodium dodecyl sulfate (SDS) surfactant. Ciprofloxacin (CF) was chosen as a model FQ antibiotic. The adsorption properties of the surfactant systems and CF were characterized using pendant-drop tensiometry and surface excess analysis. It was found that CF partitions to the gas-liquid interface more readily in the presence of SDS compared to CTAB. This was also corroborated in the foam fractionation experiments. At optimum operating conditions, CF showed a higher removal efficiency with SDS (96.3%) compared to CTAB (52%). In spite of strong molecular interactions between CTAB and CF, the preferential adsorption of DS--CF complexes was far greater than CTA+-CF complexes. At optimized operating conditions, using SDS as the surfactant, other FQs such as norfloxacin, levofloxacin, and ofloxacin were recovered up to 97.9, 91.7, and 96.7%, respectively, with effluent concentration less than 100 nM. Overall, the work demonstrates foam fractionation as a novel and environment-friendly gas-liquid separation technique for the targeted removal of FQ antibiotics from waterbodies.
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Affiliation(s)
- Rajesh Ghosh
- Department of Chemical Engineering , Indian Institute of Technology Madras , Chennai 600036 , India
| | - Haritha Hareendran
- Department of Chemical Engineering, Alagappa College of Technology , Anna University , Chennai 600025 , India
| | - Pushpavanam Subramaniam
- Department of Chemical Engineering , Indian Institute of Technology Madras , Chennai 600036 , India
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Huang J, Zhu L, Zeng G, Shi L, Shi Y, Yi K, Li X. Recovery of Cd(II) and surfactant in permeate from MEUF by foam fractionation with anionic-nonionic surfactant mixtures. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.03.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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9
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Ascertainment of Surfactin Concentration in Bubbles and Foam Column Operated in Semi-Batch. Processes (Basel) 2019. [DOI: 10.3390/pr7030154] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This paper describes a mathematical model for the convection, diffusion, and balance phenomena for predicting the depletion curves, i.e., variations in the timed surface-active molecule concentration for fractionation processes in bubbles and foam column, operated in semi-batch. The model was applied for the purification of the surfactin solution and the results were compared with experimental data. Gibbs adsorption curves were obtained for the biosurfactant at different temperatures, and then adjusted with estimated parameters, according to the Langmuir adsorption model. The gas bubble sizes were optically determined. The isotherm adsorption parameters and bubble average diameter are crucial for the attainment of the depletion curves, generated by the model described. The results demonstrate that the process is most effective when operating a column with reduced gas flow and low initial concentration. A top product with two or thirty times greater concentration than the initial one was achieved and the highest biosurfactant concentrations were attained for higher operating temperatures. It was also observed that bubble diameter increased with a higher gas flow. The adjustment obtained for the adsorption curves of Gibbs was satisfactory. Therefore, there was evidence that surfactin molecules adsorb in monolayers in the liquid–gas interface.
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Nanoparticle as a novel foam controller for enhanced protein separation from sweet potato starch wastewater. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.07.064] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Liu L, Zhang W, Yu X, Lei L, Liu H. Process optimization for foam separation of yak whey protein by response surface methodology. SEP SCI TECHNOL 2018. [DOI: 10.1080/01496395.2018.1447581] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Long Liu
- School of Chemistry and Chemical Engineering, Qinghai Normal University, Xining, P.R. China
| | - Wei Zhang
- School of Chemistry and Chemical Engineering, Qinghai Normal University, Xining, P.R. China
| | - Xiaodong Yu
- School of Chemistry and Chemical Engineering, Qinghai Normal University, Xining, P.R. China
| | - Lei Lei
- School of Chemistry and Chemical Engineering, Qinghai Normal University, Xining, P.R. China
| | - Haibin Liu
- School of Chemistry and Chemical Engineering, Qinghai Normal University, Xining, P.R. China
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Huang D, Liu W, Xu Y, Wu Z, Zheng H, Hu N, Lu K, Jia L. Desalination for enhancing the recovery of creatine from its wastewater by foam fractionation. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.02.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Increase of bubble size playing a critical role in foam-induced protein aggregation: Aggregation of BSA in foam fractionation. Chem Eng Sci 2017. [DOI: 10.1016/j.ces.2017.09.036] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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