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Wang G, Li W, Qiu S, Liu J, Ou Z, Li X, Ji F, Zhang L, Liu S, Yang L, Jiang G. Application of a Core-Shell Structure Nano Filtration Control Additive in Salt-Resistant Clay-Free Water-Based Drilling Fluid. Polymers (Basel) 2023; 15:4331. [PMID: 37960011 PMCID: PMC10648103 DOI: 10.3390/polym15214331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/20/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
When drilling into a reservoir, the drilling fluid containing bentonite is prone to solid phase invasion, causing serious damage to the reservoir, and the conventional API barite suspension stability is poor, which makes it easy to cause sedimentation and blockage. Therefore, in order to avoid accidents, we use ultrafine barite to obtain a good suspension stability. More importantly, the method of modifying zwitterionic polymers on the surface of nano-silica is used to develop a temperature-resistant and salt-resistant fluid loss reducer FATG with a core-shell structure, and it is applied to ultra-fine clay-free water-based drilling fluid (WBDF). The results show that the filtration loss of clay-free drilling fluid containing FATG can be reduced to 8.2 mL, and AV can be reduced to 22 mPa·s. Although the viscosity is reduced, FATG can reduce the filter loss by forming a dense mud cake. The clay-free drilling fluid system obtained by further adding sepiolite can reduce the filtration loss to 3.8 mL. After aging at 220 °C for 15 d, it still has significant salt tolerance, the filtration loss is only 9 mL, the viscosity does not change much, a thinner and denser mud cake is formed, and the viscosity coefficient of the mud cake is smaller. The linear expansion test and permeability recovery evaluation were carried out. The hydration expansion inhibition rate of bentonite can reach 72.5%, and the permeability recovery rate can reach 77.9%, which can meet the long-term drilling fluid circulation work in the actual drilling process. This study can provide guidance for technical research in related fields such as reservoir protection.
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Affiliation(s)
- Gang Wang
- CNPC Engineering Technology R&D Company Limited, Beijing 102249, China; (G.W.); (W.L.); (J.L.); (L.Z.); (S.L.)
| | - Wanjun Li
- CNPC Engineering Technology R&D Company Limited, Beijing 102249, China; (G.W.); (W.L.); (J.L.); (L.Z.); (S.L.)
| | - Shixin Qiu
- National Engineering Research Center of Oil & Gas Drilling and Completion Technology, State Key Laboratory of Petroleum Resources and Engineering, Ministry of Education (MOE) Key Laboratory of Petroleum Engineering, China University of Petroleum (Beijing), Changping District, Beijing 102249, China; (S.Q.); (Z.O.); (G.J.)
| | - Jitong Liu
- CNPC Engineering Technology R&D Company Limited, Beijing 102249, China; (G.W.); (W.L.); (J.L.); (L.Z.); (S.L.)
| | - Zhiting Ou
- National Engineering Research Center of Oil & Gas Drilling and Completion Technology, State Key Laboratory of Petroleum Resources and Engineering, Ministry of Education (MOE) Key Laboratory of Petroleum Engineering, China University of Petroleum (Beijing), Changping District, Beijing 102249, China; (S.Q.); (Z.O.); (G.J.)
| | - Xiaogang Li
- China National Oil and Gas Exploration and Development Company Ltd., Beijing 102249, China; (X.L.); (F.J.)
| | - Fei Ji
- China National Oil and Gas Exploration and Development Company Ltd., Beijing 102249, China; (X.L.); (F.J.)
| | - Liang Zhang
- CNPC Engineering Technology R&D Company Limited, Beijing 102249, China; (G.W.); (W.L.); (J.L.); (L.Z.); (S.L.)
| | - Shanshan Liu
- CNPC Engineering Technology R&D Company Limited, Beijing 102249, China; (G.W.); (W.L.); (J.L.); (L.Z.); (S.L.)
| | - Lili Yang
- National Engineering Research Center of Oil & Gas Drilling and Completion Technology, State Key Laboratory of Petroleum Resources and Engineering, Ministry of Education (MOE) Key Laboratory of Petroleum Engineering, China University of Petroleum (Beijing), Changping District, Beijing 102249, China; (S.Q.); (Z.O.); (G.J.)
| | - Guancheng Jiang
- National Engineering Research Center of Oil & Gas Drilling and Completion Technology, State Key Laboratory of Petroleum Resources and Engineering, Ministry of Education (MOE) Key Laboratory of Petroleum Engineering, China University of Petroleum (Beijing), Changping District, Beijing 102249, China; (S.Q.); (Z.O.); (G.J.)
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Ilyas A, Vankelecom IFJ. Designing sustainable membrane-based water treatment via fouling control through membrane interface engineering and process developments. Adv Colloid Interface Sci 2023; 312:102834. [PMID: 36634445 DOI: 10.1016/j.cis.2023.102834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 12/05/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023]
Abstract
Membrane-based water treatment processes have been established as a powerful approach for clean water production. However, despite the significant advances made in terms of rejection and flux, provision of sustainable and energy-efficient water production is restricted by the inevitable issue of membrane fouling, known to be the major contributor to the elevated operating costs due to frequent chemical cleaning, increased transmembrane resistance, and deterioration of permeate flux. This review provides an overview of fouling control strategies in different membrane processes, such as microfiltration, ultrafiltration, membrane bioreactors, and desalination via reverse osmosis and forward osmosis. Insights into the recent advancements are discussed and efforts made in terms of membrane development, modules arrangement, process optimization, feed pretreatment, and fouling monitoring are highlighted to evaluate their overall impact in energy- and cost-effective water treatment. Major findings in four key aspects are presented, including membrane surface modification, modules design, process integration, and fouling monitoring. Among the above mentioned anti-fouling strategies, a large part of research has been focused on membrane surface modifications using a number of anti-fouling materials whereas much less research has been devoted to membrane module advancements and in-situ fouling monitoring and control. At the end, a critical analysis is provided for each anti-fouling strategy and a rationale framework is provided for design of efficient membranes and process for water treatment.
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Affiliation(s)
- Ayesha Ilyas
- Membrane Technology Group (MTG), Division cMACS, Faculty of Bioscience Engineering, KU Leuven, Celestijnenlaan 200F, Box 2454, 3001 Leuven, Belgium
| | - Ivo F J Vankelecom
- Membrane Technology Group (MTG), Division cMACS, Faculty of Bioscience Engineering, KU Leuven, Celestijnenlaan 200F, Box 2454, 3001 Leuven, Belgium.
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Xie H, Chen B, Lin H, Li R, Shen L, Yu G, Yang L. Efficient oil-water emulsion treatment via novel composite membranes fabricated by CaCO 3-based biomineralization and TA-Ti(IV) coating strategy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159183. [PMID: 36202361 DOI: 10.1016/j.scitotenv.2022.159183] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/28/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
Continuous increasing discharge of industrial oily wastewater and frequent occurrence of oil spill accidents have taken heavy tolls on global environment and human health. Organic-inorganic modifications can fabricate superhydrophilic/submerged superoleophobic membranes for efficient oil-water separation/treatment though they still suffer from complex operation, non-environmental friendliness, expensive cost or uneven distribution. Herein, a new strategy regarding tannic acid (TA)-Ti(IV) coating and CaCO3-based biomineralization through simple inkjet printing processes was proposed to modify polyvinylidene fluoride (PVDF) membrane, endowing the membrane with high hydrophilicity (water contact angle (WCA) decreased from 86.01° to 14.94°) and underwater superoleophobicity (underwater contact angle (UOCA) > 155°). The optimized TA-Ti(IV)-CaCO3 modified membrane possessed perfect water permeation to various oil/water emulsions (e.g., 355.7 L·m-2·h-1 for gasoline emulsion) under gravity with superior separation efficiency (>98.8 %), leading the way in oil/water emulsion separation performance of PVDF membranes modified with polyphenolic surfaces to our knowledge. Moreover, the modified membrane displayed rather high flux recovery after eight cycles of filtration while maintaining the original excellent separation efficiency. The modification process proposed in this study is almost independent of the nature of the substrate, and meets the demand for simple, inexpensive, rapid preparation of highly hydrophilic antifouling membranes, showing abroad application prospect for oil-water emulsion separation/treatment.
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Affiliation(s)
- Hongli Xie
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Binghong Chen
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Hongjun Lin
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Renjie Li
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Liguo Shen
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Genying Yu
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Lining Yang
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
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Sun A, Zhan Y, Feng Q, Yang W, Dong H, Liu Y, Chen X, Chen Y. Assembly of MXene/ZnO heterojunction onto electrospun poly(arylene ether nitrile) fibrous membrane for favorable oil/water separation with high permeability and synergetic antifouling performance. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Role of Surface Energy of Nanoparticle Stabilizers in the Synthesis of Microspheres via Pickering Emulsion Polymerization. NANOMATERIALS 2022; 12:nano12060995. [PMID: 35335808 PMCID: PMC8949673 DOI: 10.3390/nano12060995] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 03/10/2022] [Accepted: 03/14/2022] [Indexed: 02/06/2023]
Abstract
Polymer microspheres are important for a variety of applications, such as ion exchange chromatography, catalyst supports, absorbents, etc. Synthesis of large microspheres can be challenging, because they cannot be obtained easily via classic emulsion polymerization, but rather by more complex methods. Here, we present a facile method for obtaining polymer microspheres, beyond 50 μm, via Pickering emulsion polymerization. The method consists in creating oil-in-water (o/w) Pickering emulsion/suspension from vinyl bearing monomers, immiscible with water, whereas silica nanoparticles (NPs), bearing glycidyl functionalities, have a stabilizing role by adsorbing at the monomer/water interface of emulsion droplets. The emulsion is polymerized under UV light, and polymer microspheres decorated with NPs are obtained. We discovered that the contact angle of the NPs with the polymer microsphere is the key parameter for tuning the size and the quality of the obtained microspheres. The contact angle depends on the NPs’ interfacial energy and its polar and dispersive contributions, which we determine with a newly developed NanoTraPPED method. By varying the NPs’ surface functionality, we demonstrate that when their interfacial energy with water decreases, their energy of adhesion to water increases, causing the curvature of the polymer/water interface to decrease, resulting in increasingly larger polymer microspheres.
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Dai F, Zhang S, Wang Q, Chen H, Chen C, Qian G, Yu Y. Preparation and Characterization of Reduced Graphene Oxide /TiO 2 Blended Polyphenylene sulfone Antifouling Composite Membrane With Improved Photocatalytic Degradation Performance. Front Chem 2021; 9:753741. [PMID: 34738005 PMCID: PMC8560889 DOI: 10.3389/fchem.2021.753741] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 09/06/2021] [Indexed: 11/29/2022] Open
Abstract
Nanosized titanium oxide (TiO2)-based photocatalysts have exhibited great potential for the degradation of organic contaminants, while their weak absorption of visible light limits the photocatalytic efficiency. Herein, a novel reduced graphene oxide/TiO2-polyphenylenesulfone (rGO/TiO2-PPSU) hybrid ultrafiltration membrane has been successfully prepared via a non-solvent induced phase-separation method, in which the synergistic coupling between the rGO and TiO2 could endowed the fabricated membranes with visible-light-driven efficient photocatalytically degradation of organic pollutants and outstanding photocatalytic and antifouling properties. Compared with the PPSU membranes prepared with Graphene oxide and TiO2, respectively, the rGO/TiO2-PPSU membrane demonstrated significant photodegradation towards phenazopyridine hydrochloride (PhP) solution under ultraviolet light (improved about 71 and 43%) and visible light (improved about 153 and 103%). The permeability and flux recovery rates of the membrane indicated that the high flux of the rGO/TiO2-PPSU membrane can be greatly restored after fouling, due to the improved self-cleaning properties under visible light static irradiation. With the properties of high performance of photocatalytic degradation and good self-cleaning ability, the rGO/TiO2-PPSU membrane would have great potential in water treatment.
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Affiliation(s)
| | | | | | | | | | - Guangtao Qian
- Center for Advanced Low-Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai, China
| | - Youhai Yu
- Center for Advanced Low-Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai, China
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