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Nie C, Zhang Y, Du H, Han G, Yang J, Li L, HongjunWu, Wang B, Wang X. A Molecular modeling and Experimental Study of Solar Thermal Role on Interfacial Film of Emulsions for Elucidating and Executing Efficient Solar Demulsification. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
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Ezzat AO, Tawfeek AM, Al-Lohedan HA. Synthesis and application of novel gemini pyridinium ionic liquids as demulsifiers for arabian heavy crude oil emulsions. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127961] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Wang Z, Li N, Sun Z, Wang X, Chen Q, Liu W, Qi Z, Wei L, Li B. Molecular dynamics study of droplet electrocoalescence in the oil phase and the gas phase. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119622] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Ali N, Hellen BJ, Duanmu C, Yang Y, Nawaz S, Khan A, Ali F, Gao X, Bilal M, Iqbal HMN. Effective remediation of petrochemical originated pollutants using engineered materials with multifunctional entities. CHEMOSPHERE 2021; 278:130405. [PMID: 33823342 DOI: 10.1016/j.chemosphere.2021.130405] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/20/2021] [Accepted: 03/23/2021] [Indexed: 02/05/2023]
Abstract
The highly robust, effective, and sustainable remediation of hydrocarbon-contaminated wastewater matrices, which is mainly generated from petroleum and related petrochemical industries, is of supreme interest. Owing to the notable presence of suspended solids, oil, and grease, organic matter, highly toxic elements, high salts, and recalcitrant chemicals, crude oil emulsions, and hydrocarbon-contaminated wastewater are considered a potential threat to the environments, animals, plants, and humans. To effectively tackle this challenging issue, magnetic hybrid materials assembled at nano- and micro-scale with unique structural, chemical, and functional entities are considered robust candidates for demulsification purposes. The current research era on magnetic materials has superwettability, leading to an effective system of superwettability, which is vibrant and promising. The wettability of magnetic and magnetic hybrid materials explaining the theme of superhydrophobicity and superhydrophilicity under the liquid. Herein, we reviewed the applications of magnetic nanoparticles (MNPs) as effective demulsifiers. The demulsifier wettability, dose, pH, salinity, and surface morphology of compelling, magnetic nanoparticles are the main hidden factors in effective demulsifiers. There is a comprehensive discussion on the reuse and recyclability of MNPs after oil, water separation. Furthermore, the main challenges, coupled with the magnetic nanoparticles in the effective separation of emulsions, are intensified in detail. This review will compare the current literature and the utilization of MNPs for the demulsification of oil and water emulsions. This is envisioned that the MNPs would be critical in the petroleum and petrochemical industry to effectively eliminate water from a crude oil emulsion.
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Affiliation(s)
- Nisar Ali
- Key Laboratory of Regional Resource Exploitation and Medicinal Research, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huaian, Jiangsu Province, PR China.
| | - Buame Jacinta Hellen
- Key Laboratory of Regional Resource Exploitation and Medicinal Research, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huaian, Jiangsu Province, PR China
| | - Chuansong Duanmu
- Key Laboratory of Regional Resource Exploitation and Medicinal Research, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huaian, Jiangsu Province, PR China
| | - Yong Yang
- Key Laboratory of Regional Resource Exploitation and Medicinal Research, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huaian, Jiangsu Province, PR China
| | - Shahid Nawaz
- Department of Chemistry, The University of Lahore, Lahore, Pakistan
| | - Adnan Khan
- Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa, 25120, Pakistan
| | - Farman Ali
- Department of Chemistry, Hazara University, KPK, Mansehra 21300, Pakistan
| | - Xiaoyan Gao
- Key Laboratory of Regional Resource Exploitation and Medicinal Research, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huaian, Jiangsu Province, PR China
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China.
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, 64849, Mexico.
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Topilnytskyy P, Yarmola T, Romanchuk V, Kucinska-Lipka J. Peculiarities of Dewatering Technology for Heavy High-Viscosity Crude Oils of Eastern Region of Ukraine. CHEMISTRY & CHEMICAL TECHNOLOGY 2021. [DOI: 10.23939/chcht15.03.423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
High-viscosity crude oils from the Yablunivske field (Ukraine, Poltava region) have been studied. The oils were diluted with gas condensate to reduce viscosity, and then various demulsifiers were added. It was established that it is expedient to dilute oil with heavy gas condensate and dehydrate it with PM-1441 brand A non-ionogenic demulsifier, based on block copolymers of ethylene and propylene oxides. The dewatering degree was found to be 95 %.
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Nie C, Han G, Ni J, Guan S, Du H, Zhang Y, Wang H. Stability Dynamic Characteristic of Oil-in-Water Emulsion from Alkali-Surfactant-Polymer Flooding. ACS OMEGA 2021; 6:19058-19066. [PMID: 34337244 PMCID: PMC8320156 DOI: 10.1021/acsomega.1c02367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 07/09/2021] [Indexed: 05/04/2023]
Abstract
The relationship model between the droplet lifetime and interface properties is established to characterize the stability of oil droplets, and then, the influence of the alkali-surfactant-polymer (ASP) concentration on the lifetime is analyzed by theoretical calculations. The stability dynamic characteristics of oil-in-water (O/W) emulsions from ASP flooding were evaluated using the emulsion stability model (Civan model) based on two-phase separation. The effect of ASP on dynamic characteristics of the emulsion was explored by analyzing film strength qualitatively and measuring interfacial tension and ζ potential. The results showed that the Civan model was suitable to evaluate the stability of the O/W emulsion and to obtain the corresponding dynamic characteristics. The O/W emulsions became more stable with the increasing alkali concentration first at a low alkali concentration (c NaOH < 200 mg/L) and then became less stable with the increasing alkali concentration at a high alkali concentration (c NaOH > 200 mg/L). The stabilities of O/W emulsions were improved with the increasing concentrations of the surfactant and polymer. The mechanism of stabilization of the O/W emulsion by ASP is as follows. The surface-active substances formed by the reaction of alkali and acidic substances in the oil phase, together with surfactants, adsorb at the oil-water interface, reducing the interfacial tension and increasing the strength of the oil-water interface film. The polymer only increases the strength of the interface film by increasing the viscoelasticity of the oil-water interface film.
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Effect of electric field strength on deformation and breakup behaviors of droplet in oil phase: A molecular dynamics study. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115995] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Nadirova Z, Ivakhnenko O, Zhantasov M, Bimbetova G, Nadirov K. Ultrasound-assisted dewatering of crude oil from Kumkol oilfield. CHEMICAL BULLETIN OF KAZAKH NATIONAL UNIVERSITY 2021. [DOI: 10.15328/cb1217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Reducing the water content of crude oil is a necessary step in preparing oil for transportation and processing. This task is complicated by the presence of stable water-in-oil emulsions. The most widely used approach to oil demulsification is exploring chemical demulsifiers. However, the high cost and impossibility of regenerating the latter require the search for new ways to destroy water-oil emulsions. One of the promising areas is the use of ultrasound. This paper presents the results of studies on the ultrasonic treatment of four samples of emulsions with different water content (8.74; 15; 25 and 30 vol.%) based on oil from the Kumkol oilfield (Kazakhstan). Samples of emulsions were subjected to ultrasonic action at a frequency of 40 kHz for 5-60 min at a temperature of 70±1°C, followed by settling for 40 min at the indicated temperature. The influence of the initial water content in the emulsion, the acoustic intensity, as well as the duration of ultrasonic treatment on the dewatering ratio was investigated. It was found that the residual water content in the oil was 5.04- 7.82 vol.%. Ultrasonic treatment of crude oil from the Kumkol oilfield can be used for preliminary dewatering, to subsequently reduce the consumption of chemical demulsifiers.
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Optimization of the demulsification of crude oil-in-water emulsions using response surface methodology. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2021. [DOI: 10.1016/j.sajce.2021.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
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Velayati A, Nouri A. Physical features’ characterization of the water-in-mineral oil macro emulsion stabilized by a nonionic surfactant. J DISPER SCI TECHNOL 2020. [DOI: 10.1080/01932691.2020.1848574] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Arian Velayati
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB, Canada
| | - Alireza Nouri
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB, Canada
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Shah Buddin MMH, Ahmad AL, Abd Khalil AT, Puasa SW. A review of demulsification technique and mechanism for emulsion liquid membrane applications. J DISPER SCI TECHNOL 2020. [DOI: 10.1080/01932691.2020.1845962] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
| | - Abdul Latif Ahmad
- School of Chemical Engineering, Universiti Sains Malaysia, Nibong Tebal, Pulau Pinang, Malaysia
| | | | - Siti Wahidah Puasa
- Faculty of Chemical Engineering, Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia
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Hassanshahi N, Hu G, Li J. Application of Ionic Liquids for Chemical Demulsification: A Review. Molecules 2020; 25:E4915. [PMID: 33114253 PMCID: PMC7660632 DOI: 10.3390/molecules25214915] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 10/16/2020] [Accepted: 10/19/2020] [Indexed: 01/17/2023] Open
Abstract
In recent years, ionic liquids have received increasing interests as an effective demulsifier due to their characteristics of non-flammability, thermal stability, recyclability, and low vapor pressure. In this study, emulsion formation and types, chemical demulsification system, the application of ionic liquids as a chemical demulsifier, and key factors affecting their performance were comprehensively reviewed. Future challenges and opportunities of ionic liquids application for chemical demulsification were also discussed. The review indicted that the demulsification performance was affected by the type, molecular weight, and concentration of ionic liquids. Moreover, other factors, including the salinity of aqueous phase, temperature, and oil types, could affect the demulsification process. It can be concluded that ionic liquids can be used as a suitable substitute for commercial demulsifiers, but future efforts should be required to develop non-toxic and less expensive ionic liquids with low viscosity, and the demulsification efficiency could be improved through the application of ionic liquids with other methods such as organic solvents.
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Affiliation(s)
- Nahid Hassanshahi
- Environmental Engineering Program, University of Northern British Columbia, Prince George, BC V2N 4Z9, Canada;
| | - Guangji Hu
- School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
| | - Jianbing Li
- Environmental Engineering Program, University of Northern British Columbia, Prince George, BC V2N 4Z9, Canada;
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Cevada E, Palacios N, Hernández E, Castro L, López A, Flores C, Álvarez F, Vázquez F. Novel petroleum demulsifiers based on acrylic random copolymers. J DISPER SCI TECHNOL 2018. [DOI: 10.1080/01932691.2018.1472009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Enrique Cevada
- Instituto Mexicano del Petróleo, San Bartolo Atepehuacan, Ciudad de México, México
- Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Zacatenco, Ciudad de México, México
| | - Norma Palacios
- Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Zacatenco, Ciudad de México, México
| | - Edgar Hernández
- Instituto Mexicano del Petróleo, San Bartolo Atepehuacan, Ciudad de México, México
| | - Laura Castro
- Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Zacatenco, Ciudad de México, México
| | - Alfonso López
- Instituto Mexicano del Petróleo, San Bartolo Atepehuacan, Ciudad de México, México
| | - César Flores
- Instituto Mexicano del Petróleo, San Bartolo Atepehuacan, Ciudad de México, México
| | - Fernando Álvarez
- Instituto Mexicano del Petróleo, San Bartolo Atepehuacan, Ciudad de México, México
| | - Flavio Vázquez
- Instituto Mexicano del Petróleo, San Bartolo Atepehuacan, Ciudad de México, México
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