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Bhagwat SB, Jaspal D, Tiwari AK, Malviya A, Petrounias P. Sustainable polyurethane for the remediation of oil spills: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:27509-27530. [PMID: 38573572 DOI: 10.1007/s11356-024-33037-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/18/2024] [Indexed: 04/05/2024]
Abstract
Catastrophic oil spill is one of the major issues to the environment. Various methods have been used to treat oil spillage including in situ burning, the use of skimmers, dispersants, bioremediation, dispersing agents, oil sorbents, and biological agents. Application of oil sorbent is one of the effective solutions in oil spill clean-up. Polymers are sustainable extraordinary materials for the treatment of oil spillage due to their special physicochemical characteristics such as high porosity, good hydrophobicity, and reusability. Polymers are modified using suitable chemical reagents and their hydrophobicity is enhanced, making them suitable for oil spill clean-up. The present manuscript is an attempt to summarize the study of chemical modifications done on a polymer polyurethane (PU) for achieving the desirable properties, for efficient oil spill clean-up. A patent analysis has been carried out for the leading countries, top inventors, leading assignees, trends of patent publications, citation analysis, and summary of granted patents in the area of the use of a polymer Polyurethane (PU) for oil spill clean-up.
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Affiliation(s)
- Sanjay B Bhagwat
- Department of Applied Science, Symbiosis Institute of Technology (SIT), Symbiosis International (Deemed University) (SIU), Lavale, Pune, Maharashtra, 412115, India
- Department of Chemistry, Dr. Vishwanath Karad MIT World Peace University, Pune, Maharashtra, 411038, India
| | - Dipika Jaspal
- Department of Applied Science, Symbiosis Institute of Technology (SIT), Symbiosis International (Deemed University) (SIU), Lavale, Pune, Maharashtra, 412115, India.
| | - Amit Kumar Tiwari
- Ex-Professor and Head-Intellectual Property, Symbiosis Centre for Research and Innovation (SCRI), Symbiosis International (Deemed University) (SIU), Lavale, Pune, Maharashtra, 412115, India
- Senior Patent Associate, R. K. Dewan & Co, Pune, Maharashtra, India
| | - Arti Malviya
- Lakshmi Narain College of Technology, Bhopal, 462021, Madhya Pradesh, India
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2
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He Z, Wang M, Ma S. Porous lignin-based composites for oil/water separation: A review. Int J Biol Macromol 2024; 260:129569. [PMID: 38253151 DOI: 10.1016/j.ijbiomac.2024.129569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024]
Abstract
Frequent oceanic oil spill incidents and the discharge of industrial oily wastewaters have caused serious threats to environments, food chains and human beings. Lignin wastes with many reactive groups exist as the byproducts from bioethanol and pulping processing industries, and they are either discarded as wastes or directly consumed as a fuel. To make full use of lignin wastes and simultaneously deal with oily wastewaters, porous lignin-based composites have been rationally designed and prepared. In this review, recent advances in the preparation of porous lignin-based composites are summarized in terms of aerogels, sponges, foams, papers, and membranes, respectively. Then, the mechanisms and the application of porous lignin-based adsorbents and filtration materials for oil/water separation are discussed. Finally, the challenges and perspectives of porous lignin-based composites are proposed in the field of oil/water separation. The utilization of abundant lignin wastes can replace fossil resources, and meanwhile porous lignin-based composites can be used to efficiently treat with oily wastewaters. The above utilization strategy opens an avenue to the rational design and preparation of lignin wastes with high-added value, and gives a possible solution to use lignin wastes in a sustainable and environmentally friendly way.
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Affiliation(s)
- Zhiwei He
- Anti-Icing Materials (AIM) Laboratory, Center for Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.
| | - Mingkun Wang
- Anti-Icing Materials (AIM) Laboratory, Center for Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Shiyu Ma
- Anti-Icing Materials (AIM) Laboratory, Center for Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
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3
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Torsello M, Ben-Zichri S, Pesenti L, Kunnath SM, Samorì C, Pasteris A, Bacchelli G, Prishkolnik N, Ben-Nun U, Righi S, Focarete ML, Kolusheva S, Jelinek R, Gualandi C, Galletti P. Carbon dot/polylactic acid nanofibrous membranes for solar-mediated oil absorption/separation: Performance, environmental sustainability, ecotoxicity and reusability. Heliyon 2024; 10:e25417. [PMID: 38420388 PMCID: PMC10900409 DOI: 10.1016/j.heliyon.2024.e25417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/13/2024] [Accepted: 01/25/2024] [Indexed: 03/02/2024] Open
Abstract
Carbon dots (CDs) are promising photothermal nanoparticles that can be utilized in environmental treatments. They exhibit favorable physicochemical properties, including low toxicity, physical and chemical stability, photo-dependant reversible behaviour, and environmentally friendly synthesis using benign building blocks. Here, we synthesized innovative CDs/polylactic acid (PLA) electrospun composite membranes for evaluating the removal of hydrophobic compounds like long-chain hydrocarbons or oils in biphasic mixtures with water. The ultimate goal was to develop innovative and sustainable solar-heated oil absorbents. Specifically, we fabricated PLA membranes with varying CD contents, characterized their morphology, thermal, and mechanical properties, and assessed the environmental impact of membrane production according to ISO 14040 and 14044 standards in a preliminary "cradle-to-gate" life cycle assessment study. Solar radiation experiments demonstrated that the CDs/PLA composites exhibited greater uptake of hydrophobic compounds compared to pure PLA membranes, ascribable to the CDs-induced photothermal effect. The adsorption and regeneration capacity of the new CDs/PLA membrane was demonstrated through multiple uptake/release cycles. Ecotoxicity analyses confirmed the safety profile of the new adsorbent system towards freshwater microalgae, further emphasizing its potential as an environmentally friendly solution for the removal of hydrophobic compounds in water treatment processes.
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Affiliation(s)
- Monica Torsello
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
| | - Shani Ben-Zichri
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva, 84105, Israel
| | - Lucia Pesenti
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
| | - Sisira M Kunnath
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva, 84105, Israel
| | - Chiara Samorì
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
| | - Andrea Pasteris
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Via Sant'Alberto 163, 48123, Ravenna, Italy
| | - Greta Bacchelli
- Interdepartmental Centre for Research in Environmental Sciences (CIRSA), University of Bologna, Via S. Alberto, 163, 48123, Ravenna, Italy
| | - Noa Prishkolnik
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva, 84105, Israel
| | - Uri Ben-Nun
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva, 84105, Israel
| | - Serena Righi
- Interdepartmental Centre for Research in Environmental Sciences (CIRSA), University of Bologna, Via S. Alberto, 163, 48123, Ravenna, Italy
- Interdepartmental Center for Industrial Research on Advanced Applications in Mechanical Engineering and Materials Technology, CIRI-MAM, University of Bologna, Viale Risorgimento, 2, 40136, Bologna, Italy
- Department of Physics and Astronomy "Augusto Righi", University of Bologna, Viale Carlo Berti Pichat, 6/2, 40126, Bologna, Italy
| | - Maria Letizia Focarete
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
- INSTM UdR of Bologna, University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
- Health Sciences and Technologies - Interdepartmental Center for Industrial Research (HST-ICIR), Alma Mater Studiorum - Università di Bologna, 40064, Ozzano dell'Emilia, Bologna, Italy
| | - Sofiya Kolusheva
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva, 84105, Israel
| | - Raz Jelinek
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva, 84105, Israel
| | - Chiara Gualandi
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
- INSTM UdR of Bologna, University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
- Health Sciences and Technologies - Interdepartmental Center for Industrial Research (HST-ICIR), Alma Mater Studiorum - Università di Bologna, 40064, Ozzano dell'Emilia, Bologna, Italy
- Interdepartmental Center for Industrial Research on Advanced Applications in Mechanical Engineering and Materials Technology, CIRI-MAM, University of Bologna, Viale Risorgimento, 2, 40136, Bologna, Italy
| | - Paola Galletti
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
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Yang Y, Guo Z, Liu W. Robust mussel-inspired superhydrophobic sponge with eco-friendly photothermal effect for crude oil/seawater separation. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132592. [PMID: 37778311 DOI: 10.1016/j.jhazmat.2023.132592] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 09/14/2023] [Accepted: 09/19/2023] [Indexed: 10/03/2023]
Abstract
Frequent oil spills have significant implications for the preservation of ecological balance. However, conventional superhydrophobic materials are limited to organic solvent separation, lacking the ability to undergo thermal conversion. In response to these challenges, photothermal materials have emerged as a promising, environmentally friendly, and cost-effective solution. These materials utilize solar energy as a constant power source to effectively reduce the viscosity of crude oil without the need for additional energy input. This work presents the self-assembly of titanium nitride/polydopamine (TiN/PDA) nanoparticles using hydrolytic methyltrimethoxysilane (MTMS) on the polyurethane (PU) sponge and subsequently dip-coats this sponge with polydimethylsiloxane (PDMS). The TiN nanoparticles act as a photothermal medium, while the PDA coating exhibits a photothermal synergistic effect on TiN nanoparticles. Additionally, the PDA coating demonstrates strong adhesion on the PU sponge through chemical bonding with MTMS, as confirmed by density functional theory (DFT). Furthermore, the superhydrophobic sponges process exceptional mechanical or chemical stability in harsh environments, thanks to the dual protective mechanisms provided by MTMS and PDMS. Particularly important, the excellent photothermal conversion efficiency of this material results in a maximum temperature of 99.4 °C being achieved within 3 min and a stable heating performance of over 99.0 °C across 10 cycles under a standard sunlight intensity. These superhydrophobic sponges can be effectively utilized for continuous vacuum-assisted separation of crude oil/seawater, enabling rapid adsorption and purification in oceanic environments.
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Affiliation(s)
- Yong Yang
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan, People's Republic of China
| | - Zhiguang Guo
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan, People's Republic of China; State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People's Republic of China.
| | - Weimin Liu
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People's Republic of China
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5
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Dhar M, Mishra C, Das A, Manna U. Polymerization of monomer aggregates for tailoring and patterning water wettability. Chem Commun (Camb) 2024; 60:444-447. [PMID: 38088028 DOI: 10.1039/d3cc05172b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
An approach of 'polymerization of monomers in its aggregated form' is unprecedentedly introduced to (i) tailor the water wettability of fibrous and porous substrates from hydrophobicity to superhydrophobicity, and (ii) associate patterned wettability. A solution of selected monomers-i.e., alkyl acrylate in a good solvent (indicating high solubility; ethanol) was transferred into a bad solvent (refers to poor solubility; water) to achieve a stable dispersion of monomer aggregates of size <1 μm for deposition on fibrous and porous substrates. Its photopolymerization provided a durable coating with the ability to tailor the water wettability from 134° to 153°. Furthermore, a spatially selective photopolymerization process yielded a patterned interface of superhydrophilicity and superhydrophobicity. Such a facile chemical approach with the ability to provide a durable coating embedded with tailored and patterned wettability would be useful for various potential applications.
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Affiliation(s)
- Manideepa Dhar
- Bio-Inspired Polymeric Materials Lab, Department of Chemistry, Indian Institute of Technology-Guwahati, Kamrup, Assam 781039, India.
| | - Chittaranjan Mishra
- Bio-Inspired Polymeric Materials Lab, Department of Chemistry, Indian Institute of Technology-Guwahati, Kamrup, Assam 781039, India.
| | - Avijit Das
- Bio-Inspired Polymeric Materials Lab, Department of Chemistry, Indian Institute of Technology-Guwahati, Kamrup, Assam 781039, India.
| | - Uttam Manna
- Bio-Inspired Polymeric Materials Lab, Department of Chemistry, Indian Institute of Technology-Guwahati, Kamrup, Assam 781039, India.
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Kamrup, Assam 781039, India
- Jyoti and Bhupat Mehta School of Health Science and Technology, Indian Institute of Technology Guwahati, Kamrup, Assam 781039, India
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Guo Z, Wang M, Qiao L, Wang J, He Z. Photothermal, Magnetic, and Superhydrophobic PU Sponge Decorated with a Fe 3O 4/MXene/Lignin Composite for Efficient Oil/Water Separation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:16935-16953. [PMID: 37969089 DOI: 10.1021/acs.langmuir.3c02810] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
Frequent oil spills and the discharge of industrial oily wastewaters have become a serious threat to the environment, ecosystem, and human beings. Herein, a photothermal, magnetic, and superhydrophobic PU sponge decorated with a Fe3O4/MXene/lignin composite (labeled as S-Fe3O4/MXene/lignin@PU sponge) has been designed and prepared. The obtained superhydrophobic/superoleophilic PU sponge possesses excellent chemical stability, thermal stability, and mechanical durability in terms of being immersed in corrosive solutions and organic solvents and boiling water and being abrased by sandpapers, respectively. The oil adsorption capacities of the S-Fe3O4/MXene/lignin@PU sponge for various organic liquids range from 29.1 to 70.3 g/g, and the oil adsorption capacity for CCl4 can remain 69.6 g/g even after 15 cyclic adsorption tests. The separation efficiencies of the S-Fe3O4/MXene/lignin@PU sponge for n-hexane and CCl4 are higher than 98% in different environments (i.e., water, hot water, 1 mol/L NaOH, 1 mol/L NaCl, and 1 mol/L HCl). More importantly, the introduction of three light absorbers (i.e., Fe3O4, MXene, and lignin) into the S-Fe3O4/MXene/lignin@PU sponge shows a synergistic effect in the photothermal heat conversion performance, and the maximum surface temperature reaches 64.4 °C under sunlight irradiation (1.0 kW/m2). The separation flux of the S-Fe3O4/MXene/lignin@PU sponge for viscous LT147 vacuum pump oil reaches 35,469 L m-2 h-1 under sunlight irradiation, showing an increase of 27.3% compared to that of oil adsorption processes without the photothermal effect. Thus, the rational design of superhydrophobic sponges by introducing proper photothermal heat absorbers provides new insights into facile and cost-effective preparation of sponges for efficient oil/water separation.
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Affiliation(s)
- Zhibiao Guo
- Anti-Icing Materials (AIM) Laboratory, Center for Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Mingkun Wang
- Anti-Icing Materials (AIM) Laboratory, Center for Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Lei Qiao
- Anti-Icing Materials (AIM) Laboratory, Center for Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Jianxiang Wang
- Anti-Icing Materials (AIM) Laboratory, Center for Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Zhiwei He
- Anti-Icing Materials (AIM) Laboratory, Center for Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
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Dong L, Li J, Zhang D, Chen X, Guan Y, Wang Z, Li Y. Coupling Carbon-Based Composite Phase Change Materials with a Polyurethane Sponge for Sustained and Efficient Solar-Driven Cleanup of Viscous Crude Oil Spill. ACS APPLIED MATERIALS & INTERFACES 2023; 15:37517-37529. [PMID: 37497553 DOI: 10.1021/acsami.3c07360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
The efficient cleanup of crude oil spills is a worldwide problem due to their high viscosity and low fluidity. Under the assistance of solar radiation, adsorbents with in situ heating function are becoming the ideal candidates to solve this problem. In this study, a new strategy coupling a polyurethane (PU) sponge with phase change materials (PCMs) is proposed to realize the efficient utilization of solar energy and crude oil cleanup. Wormlike carbon nanotubes/mesoporous carbon (CNTs/MC) with a core-shell structure was used to encapsulate polyethylene glycol (PEG), which was then introduced into the PU sponge for photothermal conversion and thermal storage. After coating with a polydimethylsiloxane (PDMS) layer, the sponge was further endowed with hydrophobic characteristics. Additionally, PDMS can function as a binder between PEG@CNTs/MC and sponge skeleton. The resulting PEG@CNTs/MC/PU/PDMS (named as PEG@CMPP) exhibited excellent photothermal conversion and high absorption capacity for high-viscosity crude oil. Most importantly, thanks to the heat storage properties of PEG, the stored heat can be sustainably transferred to the surrounding crude oil to promote its continuous absorption even under insufficient light intensity conditions. The crude oil absorption capacity of PEG@CMPP-3 reached approximately 0.96 g/cm3 even after the light source was removed, which manifested the distinctive advantages compared to the conventional photothermal adsorbent. The proposed approach integrates the high efficiency of solar-assisted heating and energy-conserving advantage, thereby providing a feasible strategy for highly efficient remediation of viscous crude oil spills.
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Affiliation(s)
- Limei Dong
- Frontiers Science Center for Deep Ocean Multispheres and Earth System/Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, 266100 Qingdao, P. R. China
- College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, P. R. China
| | - Junfeng Li
- Frontiers Science Center for Deep Ocean Multispheres and Earth System/Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, 266100 Qingdao, P. R. China
- College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, P. R. China
| | - Dan Zhang
- Frontiers Science Center for Deep Ocean Multispheres and Earth System/Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, 266100 Qingdao, P. R. China
- College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, P. R. China
| | - Xiuping Chen
- Frontiers Science Center for Deep Ocean Multispheres and Earth System/Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, 266100 Qingdao, P. R. China
- College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, P. R. China
| | - Yihao Guan
- Frontiers Science Center for Deep Ocean Multispheres and Earth System/Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, 266100 Qingdao, P. R. China
- College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, P. R. China
| | - Zhining Wang
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, P. R. China
| | - Yiming Li
- Frontiers Science Center for Deep Ocean Multispheres and Earth System/Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, 266100 Qingdao, P. R. China
- College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, P. R. China
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Li N, Ma H, Wang T, Sun C, Xia S. Effect of molecular weight on the properties of water-soluble terpolymers for heavy oil viscosity reduction. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
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Wu J, Ma X, Gnanasekar P, Wang F, Zhu J, Yan N, Chen J. Superhydrophobic lignin-based multifunctional polyurethane foam with SiO 2 nanoparticles for efficient oil adsorption and separation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 860:160276. [PMID: 36403829 DOI: 10.1016/j.scitotenv.2022.160276] [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: 09/01/2022] [Revised: 10/31/2022] [Accepted: 11/14/2022] [Indexed: 06/16/2023]
Abstract
Superhydrophobic polyurethane foam is one of the most promising materials for oil-water separation. However, there are only limited studies prepared matrix superhydrophobic foams as adsorbents. In this paper, SiO2 modified by 1H, 1H, 2H, 2H-perfluorododecyl trichlorosilane (F-SiO2) was added into the lignin-based foam matrix by a one-step foaming technique. The average diameter of F-SiO2 was about 480 nm with an water contact angle (WCA) of 160.3°. The lignin-based polyurethane foam with F-SiO2 had a superhydrophobic water contact angle of 151.3°. There is no obvious change in contact angle after 100 cycles of compression or after cutting and abrasion. Scanning electron microscopy (SEM) analysis showed that F-SiO2 was distributed both on the surface and inside of the foam. The efficiency for oil-water separation reached 99 %. Under the light intensity of 1 kW/m2, the surface temperature of the lignin-based foam rose to 77.6 °C. In addition, the foam exhibited self-cleaning properties and degraded within 2 h in an alcoholic alkali solution. Thus, in this study, we developed a novel matrix superhydrophobic lignin-based polyurethane foam with an excellent promise to be used as oil water separation adsorbents in industrial wastewater treatment and oil spill clean-up processes.
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Affiliation(s)
- Jialong Wu
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Laboratory of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; Northeast Electric Power University, Jilin, Jilin 132012, China
| | - Xiaozhen Ma
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Laboratory of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; University of Chinese Academy of Sciences, Beijing 100039, China
| | | | - Fan Wang
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Laboratory of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Jin Zhu
- Northeast Electric Power University, Jilin, Jilin 132012, China
| | - Ning Yan
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College street, ON M5S 3E5, Canada.
| | - Jing Chen
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Laboratory of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.
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Habibi N, Bagherifard M, Pourjavadi A. Facile fabrication of flame-resistant, photothermal, and electrothermal polyurethane sponge: A promising sorbent for all-weather recovery of viscous crude oil spills from seawater. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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11
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Wu Z, Zheng K, Cheng Z, Zhou S. Solar-Assisted Superhydrophobic MoS 2/PDMS/MS Sponge for the Efficient Cleanup of Viscous Oil. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:10902-10914. [PMID: 36004428 DOI: 10.1021/acs.langmuir.2c01809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Industrialization releases many high-viscosity oil pollutants into the environment, requiring a hydrophobic recyclable oil-absorbing material. Therefore, a self-heating and superhydrophobic melamine sponge (MS) by connecting polydimethylsiloxane (PDMS) was coated with functionalized molybdenum disulfide (MoS2) nanosheets on a three-dimensional microstructure of a commercial MS (MoS2/PDMS/MS) via a simple and low-cost dip-coating method. The prepared sponge showed a water contact angle of 151.8°, indicating that the modified sponge exhibited superhydrophobicity. Due to the addition of MoS2, the modified sponge can convert light into heat, and its surface could be heated to 59.7 °C within 30 s. Because of the excellent MoS2/PDMS/MS photothermal performance, the sponge could decrease the viscosity of the high-viscosity oil, absorbing the high-viscosity oil efficiently. After simultaneous thermal analysis and repeated compression tests, the modified sponge exhibited high thermochemical stability, mechanical property, and reusability. This superhydrophobic multifunctional sponge shows excellent potential for high-viscosity oil absorption.
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Affiliation(s)
- Zhuobin Wu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, P. R. China
| | - Ke Zheng
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, P. R. China
- College of Resource and Environmental Engineering, Guizhou University, Guiyang 550003, P. R. China
- School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, P. R. China
| | - Zuqin Cheng
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, P. R. China
| | - Shaoqi Zhou
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, P. R. China
- College of Resource and Environmental Engineering, Guizhou University, Guiyang 550003, P. R. China
- School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, P. R. China
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12
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Feng L, Gao Y, Hou X, Dan H, Wei Y, Yin W, Gao B, Yue Q. Phytic acid and graphene oxide functionalized sponge with special-wettability and electronegativity for oil-in-water emulsion separation in single-step. JOURNAL OF HAZARDOUS MATERIALS 2022; 435:129003. [PMID: 35490636 DOI: 10.1016/j.jhazmat.2022.129003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/16/2022] [Accepted: 04/21/2022] [Indexed: 06/14/2023]
Abstract
Developing an emulsion separation material with one-step in-situ purifying capability and improved security in applications, especially for subsequent scale-up, is valuable but remains a challenge. Herein, the amphiphilic sponge (PA@RGO@MS) was prepared via impregnation and in-situ growth of the negatively charged hydrophilic phytic acid (PA) and the hydrophobic reduced graphene oxide (RGO) on the surface of the melamine sponge (MS) and applied in emulsion purification. The mechanics, wettability, absorption performance of the PA@RGO@MS were analyzed to identify its potential for stable demulsification. Results show that the PA@RGO@MS could purify emulsions (turbidity removal rate = 99.7%; TOC removal rate = 94.14%) in-situ in one step by simple shock absorption, profited from the hydrophilic and demulsification capability of PA, oil absorption of RGO, and wide reaction and storage space of MS. Targeting the emulsion with distinct properties (density, viscosity, and concentration) of the oil phase, the PA@RGO@MS could efficiently enable the purification. Meanwhile, the powerful flame-retardant granted from PA ensures the safe shipment and storage of sponges. The favorable cyclability (turbidity removal rate > 98.5% and TOC removal rate > 89.5% after 10 cycles) and diversified operating modes enhance the practical value of the PA@RGO@MS.
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Affiliation(s)
- Lidong Feng
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266000, PR China
| | - Yue Gao
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266000, PR China.
| | - Xuan Hou
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266000, PR China
| | - Hongbing Dan
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266000, PR China
| | - Yao Wei
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266000, PR China
| | - Weiyan Yin
- Hubei Key Laboratory of Biomass Fibers and Eco-dyeing & Finishing, School of Chemistry and Chemical Engineering, Wuhan Textile University, PR China
| | - Baoyu Gao
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266000, PR China
| | - Qinyan Yue
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao 266000, PR China
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