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Li J, Cao Y, Ding K, Ye J, Li F, Ma C, Lv P, Xu Y, Shi L. Research progress of industrial wastewater treatment technology based on solar interfacial adsorption coupled evaporation process. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 931:172887. [PMID: 38692317 DOI: 10.1016/j.scitotenv.2024.172887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 04/08/2024] [Accepted: 04/27/2024] [Indexed: 05/03/2024]
Abstract
Solar interface evaporation is an effective method for the treatment of water that has low energy consumption. Adsorption is recognized to be one of the most stable wastewater treatment methods and is widely used. Combining solar interface evaporation with adsorption provides a novel and low-cost approach for the efficient removal of heavy metals and organic pollutants from industrial wastewater. This paper reviews the characteristics and application of some common wastewater treatment methods. The photothermal conversion and the conceptual design of interface evaporation combined with adsorption are introduced and the photo-thermal conversion and adsorption methods are discussed. The study provides a summary of recent studies and advancements in interfacial evaporation-coupled adsorption materials, which include hydrogels, aerogels, and biomass materials for adsorption, and carbon materials for photothermal conversion. Finally, the current challenges encountered in industrial wastewater treatment are outlined and its prospects are discussed. The aim of this review is to explore a wide range of possibilities with the interfacial evaporation-coupled adsorption method and propose a new low-cost and high-efficiency method for industrial wastewater treatment.
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Affiliation(s)
- Juan Li
- College of Mechanical and Electrical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Yaowen Cao
- College of Mechanical and Electrical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Kuan Ding
- Joint International Research Laboratory of Biomass Energy and Materials, Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Jianling Ye
- Hunan Engineering Geology and Mine Geology Survey and Monitoring Institute, Hunan Geological Bureau, Changsha 410114, China
| | - Fenqiang Li
- Hunan Engineering Geology and Mine Geology Survey and Monitoring Institute, Hunan Geological Bureau, Changsha 410114, China
| | - Chenbo Ma
- College of Mechanical and Electrical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Peihong Lv
- College of Mechanical and Electrical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Ying Xu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, China.
| | - Lei Shi
- School of Energy Science and Engineering, Central South University, Changsha 410083, China.
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Gong Q, Wang X, Bai B, Zhang Q, Mei M, Sun Y. Reed-root-based solar-driven evaporator with a faster capillary water transfer rate for effective steam generation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172314. [PMID: 38593876 DOI: 10.1016/j.scitotenv.2024.172314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/02/2024] [Accepted: 04/06/2024] [Indexed: 04/11/2024]
Abstract
Solar-driven steam evaporation technology, known for its low energy consumption and environmental friendliness, has emerged as a promising approach for seawater desalination, wastewater purification, etc. However, creating a low-cost solar evaporation system that simultaneously achieves rapid water transport, efficient light absorption, and salt tolerance remains challenging. Here, a dual-layer evaporator based on reed roots has been developed after a simple H2O2 delignification treatment and flame treatment, which exhibited enhanced water transport performance and photothermal properties. As excepted, delignification treatment enhanced the capillary water transport ability of reed roots, which is conducive to promoting the dilution of salt in the evaporator and preventing salt deposition. The evaporator demonstrates an impressive steam generation efficiency of 83.5 % and a remarkable water evaporation rate of 1.407 kg m-2 h-1 under 1 sun, thanks to its well-designed structure and optimized performance. Moreover, the evaporator exhibited excellent practical performance for outdoor applications and demonstrates a remarkable capacity for sewage purification, effectively treating heavy metal ion wastewater as well as dye wastewater. As a result, the objective of our research is to explore opportunities for the implementation of deployable, cost-effective, low-carbon-footprint solar water purification systems, particularly for some impoverished regions, to ensure the provision of high-quality water.
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Affiliation(s)
- Qiji Gong
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education, Chang'an University, Xi'an 710054, PR China; School of Water and Environment, Chang'an University, Xi'an 710054, PR China
| | - Xuechun Wang
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education, Chang'an University, Xi'an 710054, PR China; School of Water and Environment, Chang'an University, Xi'an 710054, PR China
| | - Bo Bai
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education, Chang'an University, Xi'an 710054, PR China; School of Water and Environment, Chang'an University, Xi'an 710054, PR China; Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of the Ministry of Water Resources, Chang'an University, Xi'an 710054, PR China.
| | - Qian Zhang
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education, Chang'an University, Xi'an 710054, PR China; School of Water and Environment, Chang'an University, Xi'an 710054, PR China
| | - Meng Mei
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education, Chang'an University, Xi'an 710054, PR China; School of Water and Environment, Chang'an University, Xi'an 710054, PR China
| | - Yaxin Sun
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education, Chang'an University, Xi'an 710054, PR China; School of Water and Environment, Chang'an University, Xi'an 710054, PR China
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Zhou C, Mei Q, Huang L, Mao T, Li S, Wang Z, Wan H, Gu H, Han K. Flexible Janus Black Silicon Photothermal Conversion Membranes for Highly Efficient Solar-Driven Interfacial Water Purification. ACS APPLIED MATERIALS & INTERFACES 2024; 16:26153-26166. [PMID: 38718343 DOI: 10.1021/acsami.4c02627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2024]
Abstract
Photothermal conversion materials are critical in the development of solar-driven interfacial evaporation techniques; however, achieving a high energy conversion efficiency remains challenging owing to the high cost and instability of light-absorbing materials, in addition to the difficulties of simultaneously improving light absorption while suppressing heat loss. A black silicon (Si) powder with a porous structure was prepared by chemical etching of a low-cost commercial micron-sized Al-Si alloy, and a flexible Janus black Si photothermal conversion membrane was constructed. The partially broken spherical particles and porous structure obtained after etching enhanced the refraction of light from the Si powder, imparting the prepared membrane with an average light absorption rate of 95.95% over the solar spectrum. Evaporation from the membrane increased the intermediate water content and reduced the equivalent evaporation enthalpy. The thermal conduction loss was inhibited through a one-dimensional water transport structure, and the membrane achieved a water evaporation rate of 2.17 kg m-2 h-1 and a photothermal efficiency of 94.95% under 1 sun illumination. Benefiting from the broadband absorption and high photothermal efficiency of black Si powder, surface modification of hydrophobic polydimethylsiloxane, and directional salt-out structure design, the evaporation rate of the Janus black Si membrane-based system in a 10% NaCl solution was maintained >2.10 kg m-2 h-1 after 7 days of continuous evaporation cycles. The removal rate of metal ions from simulated seawater and from practical wastewater containing complex heavy metals reached >99.9%, indicating the promising potential of black Si membrane for application in solar-driven interfacial water purification.
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Affiliation(s)
- Chuanling Zhou
- State Key Laboratory for Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Qiuyu Mei
- State Key Laboratory for Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Limingming Huang
- State Key Laboratory for Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Tingting Mao
- State Key Laboratory for Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Shuangfu Li
- State Key Laboratory for Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Zhian Wang
- China CEC Engineering Corporation, Changsha 410116, P. R. China
| | - Hua Wan
- China CEC Engineering Corporation, Changsha 410116, P. R. China
| | - Hui Gu
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, P. R. China
| | - Kai Han
- State Key Laboratory for Powder Metallurgy, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
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Li X, Wang M, Tao H, Ge B, Liu S, Liu J, Ren G, Zhang Z. Constructing of efficient interface solar evaporator: In-situ colloid foaming strategy for solar desalination and visible light response sewage purification. J Colloid Interface Sci 2023; 649:107-117. [PMID: 37339561 DOI: 10.1016/j.jcis.2023.06.071] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/07/2023] [Accepted: 06/11/2023] [Indexed: 06/22/2023]
Abstract
The shortage of drinking water has become a global problem, coastal cities can make full use of abundant seawater resources by desalination technology to ease the contradiction between supply and demand. However, fossil energy consumption contradicts the goal of reducing carbon dioxide emissions. Currently, researchers favor interfacial solar desalination devices relying only on clean solar energy. Based on the structure optimization of the evaporator, a kind of device composed of a superhydrophobic BiOI (BiOI-FD) floating layer and CuO polyurethane sponge (CuO sponge) is constructed in this paper, with its design advantages presented in the following two aspects: 1. The novel BiOI-FD photocatalyst in the floating layer reduces the surface tension and realizes the degradation of the enriched pollutants, ensuring the device to achieve solar desalination and inland sewage purification; 2. CuO sponge can inhibit salt crystallization and realize the combination of the water transport and photothermal layers. Particularly, the photothermal evaporation rate of the interface device reached 2.37 kg m-2 h-1.The novel interface evaporator design will bring a new solution for solar desalination, sewage treatment and large-scale application.
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Affiliation(s)
- Xiuling Li
- School of Materials Science and Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Mingqun Wang
- School of Materials Science and Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Huayu Tao
- School of Materials Science and Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Bo Ge
- School of Materials Science and Engineering, Liaocheng University, Liaocheng, Shandong 252059, China.
| | - Shuai Liu
- School of Materials Science and Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Junchang Liu
- School of Materials Science and Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Guina Ren
- School of Environmental and Material Engineering, Yantai University, Yantai 264405, China
| | - Zhaozhu Zhang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.
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Tsou CH, Shui YJ, Du J, Yao WH, Wu CS, Suen MC, Chen S. Characterization and Morphology of Nanocomposite Hydrogels with a 3D Network Structure Prepared Using Attapulgite-Enhanced Polyvinyl Alcohol. Polymers (Basel) 2023; 15:polym15112535. [PMID: 37299334 DOI: 10.3390/polym15112535] [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: 03/01/2023] [Revised: 05/24/2023] [Accepted: 05/28/2023] [Indexed: 06/12/2023] Open
Abstract
In this investigation, purified attapulgite (ATT) and polyvinyl alcohol (PVA) were utilized to fabricate nanocomposite hydrogels and a xerogel, with a focus on studying the impact of minor additions of ATT on the properties of the PVA nanocomposite hydrogels and xerogel. The findings demonstrated that at a concentration of 0.75% ATT, the water content and gel fraction of the PVA nanocomposite hydrogel reached their peak. Conversely, the nanocomposite xerogel with 0.75% ATT reduced its swelling and porosity to the minimum. SEM and EDS analyses revealed that when the ATT concentration was at or below 0.5%, nano-sized ATT could be evenly distributed in the PVA nanocomposite xerogel. However, when the concentration of ATT rose to 0.75% or higher, the ATT began to aggregate, resulting in a decrease in porous structure and the disruption of certain 3D porous continuous structures. The XRD analysis further affirmed that at an ATT concentration of 0.75% or higher, a distinct ATT peak emerged in the PVA nanocomposite xerogel. It was observed that as the content of ATT increased, the concavity and convexity of the xerogel surface, as well as the surface roughness, decreased. The results also confirmed that the ATT was evenly distributed in the PVA, and a combination of hydrogen bonds and ether bonds resulted in a more stable gel structure. The tensile properties exhibited that when compared with pure PVA hydrogel, the maximum tensile strength and elongation at break were achieved at an ATT concentration of 0.5%, indicating increases of 23.0% and 11.8%, respectively. The FTIR analysis results showed that the ATT and PVA could generate an ether bond, further confirming that ATT could enhance the PVA properties. The TGA analysis showed that the thermal degradation temperature peaked when the ATT concentration was at 0.5%, providing further evidence that the compactness of the nanocomposite hydrogel and the dispersion of the nanofiller was superior, contributing to a substantial increase in the mechanical properties of the nanocomposite hydrogel. Finally, the dye adsorption results displayed a significant rise in dye removal efficiency for methylene blue with the increase in the ATT concentration. At an ATT concentration of 1%, the removal efficiency rose by 103% compared with that of the pure PVA xerogel.
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Affiliation(s)
- Chi-Hui Tsou
- School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
- Material Corrosion and Protection Key Laboratory of Sichuan Province, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Yu-Jie Shui
- School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
- Material Corrosion and Protection Key Laboratory of Sichuan Province, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Juan Du
- School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
- Material Corrosion and Protection Key Laboratory of Sichuan Province, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Wei-Hua Yao
- Department of Materials and Textiles, Asia Eastern University of Science and Technology, New Taipei City 220, Taiwan, China
| | - Chin-San Wu
- Department of Applied Cosmetology, KaoYuan University, Kaohsiung County 82101, Taiwan, China
| | - Maw-Cherng Suen
- Department of Fashion Business Administration, Lee-Ming Institute of Technology, New Taipei City 24305, Taiwan, China
| | - Shuang Chen
- School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
- Material Corrosion and Protection Key Laboratory of Sichuan Province, Sichuan University of Science and Engineering, Zigong 643000, China
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Polypyrrole solar evaporator designed based on the interface evaporation principle and its application in sewage treatment. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Guo Y, Wu H, Guo S, Qiu J. Tunable all-in-one bimodal porous membrane of ultrahigh molecular weight polyethylene for solar driven interfacial evaporation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Ni A, Fu D, Lin P, Xia Y, Pei D, Han X, Hua S, Li S, Zhang T. Rapid Fabrication of Porous Photothermal Hydrogel Coating for Efficient Solar-Driven Water Purification. ACS APPLIED MATERIALS & INTERFACES 2022; 14:44809-44820. [PMID: 36162058 DOI: 10.1021/acsami.2c12073] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Cost management and scalable fabrication without sacrificing the purification performance are two critical issues that should be addressed before the practical commercial application of solar-driven evaporators. To address this challenge, we report a porous photothermal hydrogel coating prepared by mixing the raw materials of sawdust (SD), carbon nanotubes (CNTs), and poly(vinyl alcohol) (PVA), which was applied to undergo a blading-drying-rehydration process to prepare the evaporator. In the coating, the crystallized PVA gives the coating a solid skeleton and the sawdust endows the coating with a loose structure to sufficiently enhance the water transportation capacity. As a result, the evaporator coated with the hydrogel coating displays a high water transport rate and efficient evaporation performance along with excellent mechanical properties and stability. Water migrates vertically upward 5 cm within 4 minutes. The compressive stress of the rehydrated hydrogel coating reaches as high as 14.28 MPa under 80% strain. The water evaporation rate of the hydrogel coating-based evaporator reaches 1.833 kg m-2 h-1 corresponding to an energy efficiency of 83.29% under 1 sun irradiation. What is more, the hydrogel coating retains its excellent evaporation performance and stability after immersion in acid or alkali solution, ultrasound treatment, and long-time immersion in water. Under outdoor conditions, the water evaporation rate of the hydrogel coating-based evaporator is about 5.69 times higher than that of pure water. This study proposes a rapid, cost-effective, and scalable strategy for preparing a high-performance photothermal hydrogel coating that will find sustainable and practical application in solar-driven water purification.
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Affiliation(s)
- Anqi Ni
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan, Anhui 243002, China
| | - Danni Fu
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan, Anhui 243002, China
| | - Peng Lin
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan, Anhui 243002, China
| | - Youyi Xia
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan, Anhui 243002, China
| | - Dejian Pei
- Sinosteel Maanshan General Institute of Mining Research Co., Ltd., Maanshan, Anhui 243000, China
| | - Xinya Han
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan, Anhui 243002, China
| | - Shaoguang Hua
- Sinosteel Maanshan General Institute of Mining Research Co., Ltd., Maanshan, Anhui 243000, China
| | - Shuqin Li
- Sinosteel Maanshan General Institute of Mining Research Co., Ltd., Maanshan, Anhui 243000, China
| | - Tingting Zhang
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan, Anhui 243002, China
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Tsou CH, Chen S, Li X, Chen JC, De Guzman MR, Sun YL, Du J, Zhang Y. Highly resilient antibacterial composite polyvinyl alcohol hydrogels reinforced with CNT-NZnO by forming a network of hydrogen and coordination bonding. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03248-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Bioinspired photothermal sponge for simultaneous solar-driven evaporation and solar-assisted wastewater purification. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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