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Hashemi E, Norouzi MM, Sadeghi-Kiakhani M. Magnetic Biochar as a Revolutionizing Approach for Diverse Dye Pollutants Elimination: A Comprehensive Review. ENVIRONMENTAL RESEARCH 2024:119548. [PMID: 38977156 DOI: 10.1016/j.envres.2024.119548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 06/29/2024] [Accepted: 07/01/2024] [Indexed: 07/10/2024]
Abstract
The term "biomass" encompasses all substances found in the natural world that were once alive or derived from living organisms or their byproducts. These substances consist of organic molecules containing hydrogen, typically oxygen, frequently nitrogen, and small amounts of heavy, alkaline earth and alkali metals. Magnetic biochar refers to a type of material derived from biomass that has been magnetized typically by adding magnetic components such as magnetic iron oxides to display magnetic properties. These materials are extensively applicable in widespread areas like environmental remediation and catalysis. The magnetic properties of these compounds made them ideal for practical applications through their easy separation from a reaction mixture or environmental sample by applying a magnetic field. With the evolving global strategy focused on protecting the planet and moving towards a circular, cost-effective economy, natural compounds, and biomass have become particularly important in the field of biochemistry. The current research explores a comparative analysis of the versatility and potential of biomass for eliminating dyes as a sustainable, economical, easy, compatible, and biodegradable method. The elimination study focused on the removal of various dyes as pollutants. Various operational parameters which influenced the dye removal process were also discussed. Furthermore, the research explained, in detail, adsorption kinetic models, types of isotherms, and desorption properties of magnetic biochar adsorbents. This comprehensive review offers an advanced framework for the effective use of magnetic biochar, removing dyes from textile wastewater.
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Affiliation(s)
- Elaheh Hashemi
- Department of Chemistry, Faculty of Sciences, Shahid Rajaee Teacher Training University, P.O. Box: 1678815811, Tehran, Iran.
| | - Mohammad-Mahdi Norouzi
- Department of Chemistry, Faculty of Sciences, Shahid Rajaee Teacher Training University, P.O. Box: 1678815811, Tehran, Iran
| | - Mousa Sadeghi-Kiakhani
- Institute for Color Science and Technology, Department of Organic Colorants, P.O. Box: 16765-654, Tehran, Iran
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Elibol MK, Jiang L, Xie D, Cao S, Pan X, Härk E, Lu Y. Nickel Oxide Decorated Halloysite Nanotubes as Sulfur Host Materials for Lithium-Sulfur Batteries. GLOBAL CHALLENGES (HOBOKEN, NJ) 2023; 7:2300005. [PMID: 37483418 PMCID: PMC10362100 DOI: 10.1002/gch2.202300005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 03/09/2023] [Indexed: 07/25/2023]
Abstract
Lithium-sulfur batteries with high energy density still confront many challenges, such as polysulfide dissolution, the large volume change of sulfur, and fast capacity fading in long-term cycling. Herein, a naturally abundant clay material, halloysite, is introduced as a sulfur host material in the cathode of Li-S batteries. Nickel oxide nanoparticles are embedded into the halloysite nanotubes (NiO@Halloysite) by hydrothermal and calcination treatment to improve the affinity of halloysite nanotubes to polysulfides. The NiO@Halloysite composite loaded with sulfur (S/NiO@Halloysite) is employed as the cathode of Li-S batteries, which combines the physical confinements of tubular halloysite particles and good chemical adsorption ability of NiO. The S/NiO@Halloysite electrode exhibits a high discharge capacity of 1205.47 mAh g-1 at 0.1 C. In addition, it demonstrates enhanced cycling stability, retaining ≈60% of initial capacity after 450 cycles at 0.5 C. The synthesized NiO@Halloysite can provide a promising prospect and valuable insight into applying natural clay materials in Li-S batteries.
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Affiliation(s)
- Meltem Karaismailoglu Elibol
- Department for Electrochemical Energy StorageHelmholtz‐Zentrum Berlin für Materialien und EnergieHahn‐Meitner Platz 114109BerlinGermany
- Department for Energy Science and TechnologyTurkish‐German UniversityŞahinkaya Cad. 106İstanbul34820Turkey
| | - Lihong Jiang
- Department for Electrochemical Energy StorageHelmholtz‐Zentrum Berlin für Materialien und EnergieHahn‐Meitner Platz 114109BerlinGermany
- Key Laboratory of Textile Science & TechnologyCollege of TextilesDonghua UniversityNorth Renmin Road 2999Shanghai201620P. R. China
| | - Dongjiu Xie
- Department for Electrochemical Energy StorageHelmholtz‐Zentrum Berlin für Materialien und EnergieHahn‐Meitner Platz 114109BerlinGermany
- Institute of ChemistryUniversity of PotsdamKarl‐Liebknecht‐Straße 24‐2514476PotsdamGermany
| | - Sijia Cao
- Department for Electrochemical Energy StorageHelmholtz‐Zentrum Berlin für Materialien und EnergieHahn‐Meitner Platz 114109BerlinGermany
- Institute of ChemistryUniversity of PotsdamKarl‐Liebknecht‐Straße 24‐2514476PotsdamGermany
| | - Xuefeng Pan
- Department for Electrochemical Energy StorageHelmholtz‐Zentrum Berlin für Materialien und EnergieHahn‐Meitner Platz 114109BerlinGermany
- Institute of ChemistryUniversity of PotsdamKarl‐Liebknecht‐Straße 24‐2514476PotsdamGermany
| | - Eneli Härk
- Department for Electrochemical Energy StorageHelmholtz‐Zentrum Berlin für Materialien und EnergieHahn‐Meitner Platz 114109BerlinGermany
| | - Yan Lu
- Department for Electrochemical Energy StorageHelmholtz‐Zentrum Berlin für Materialien und EnergieHahn‐Meitner Platz 114109BerlinGermany
- Institute of ChemistryUniversity of PotsdamKarl‐Liebknecht‐Straße 24‐2514476PotsdamGermany
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Synthesis of Magnetic Fe 3O 4 Nano Hollow Spheres for Industrial TNT Wastewater Treatment. NANOMATERIALS 2022; 12:nano12050881. [PMID: 35269369 PMCID: PMC8912354 DOI: 10.3390/nano12050881] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 02/18/2022] [Accepted: 02/18/2022] [Indexed: 12/04/2022]
Abstract
The aim of the present work was to synthesize magnetite (Fe3O4) nano hollow spheres (NHS) via simple, one-pot, template-free, hydrothermal method. The structural, morphological, and surface analysis of Fe3O4 NHS were studied by scanning electron microscopy (SEM), x-ray diffraction technique (XRD), Fourier transform infrared spectroscopy FTIR and burner-Emmett-teller (BET). The as obtained magnetic (Fe3O4) NHS were used as an adsorbent for treating industrial trinitrotoluene (TNT) wastewater to reduce its Chemical Oxygen Demand (COD) values. Adsorption capacity (Qe) of the NHS obtained is 70 mg/g, confirming the attractive forces present between adsorbent (Fe3O4 NHS) and adsorbate (TNT wastewater). COD value of TNT wastewater was reduced to >92% in 2 h at room temperature. The adsorption capacity of Fe3O4 NHS was observed as a function of time, initial concentration, pH, and temperature. The applied Fe3O4 NHS was recovered for reuse by simply manipulating its magnetic properties with slight shift in pH of the solution. A modest decrease in Qe (5.0−15.1%) was observed after each cycle. The novel Fe3O4 NHS could be an excellent candidate for treating wastewater generated by the intermediate processes during cyclonite, cyclotetramethylene-tetranitramine (HMX), nitroglycerin (NG) production and other various environmental pollutants/species.
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Bacilla ACC, Futamura R, Iiyama T. Effect of quadrupole of nitrogen, as a probe molecule for surface area estimation: XRD and HRMC investigation. CHEM LETT 2022. [DOI: 10.1246/cl.210728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ana Carolina Cons Bacilla
- Department of Chemistry, Faculty of Science, Shinshu University, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Ryusuke Futamura
- Department of Chemistry, Faculty of Science, Shinshu University, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Taku Iiyama
- Department of Chemistry, Faculty of Science, Shinshu University, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
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Li Z, Jiang X, Yao Z, Chen F, Zhu L, Liu H, Ming L. Chitosan functionalized cellulose nanocrystals for stabilizing Pickering emulsion: Fabrication, characterization and stability evaluation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127769] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Pervaporation Membranes for Seawater Desalination Based on Geo-rGO-TiO 2 Nanocomposites. Part 1: Microstructure Properties. MEMBRANES 2021; 11:membranes11120966. [PMID: 34940467 PMCID: PMC8708729 DOI: 10.3390/membranes11120966] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/01/2021] [Accepted: 12/06/2021] [Indexed: 11/24/2022]
Abstract
This is the first of two papers about the synthesis and microstructure properties of the Geo–rGO–TiO2 ternary nanocomposite, which was designed to suit the criteria of a pervaporation membrane for seawater desalination. The performance and capability of Geo–rGO–TiO2 as a seawater desalination pervaporation membrane are described in the second paper. A geopolymer made from alkali-activated metakaolin was utilized as a binder for the rGO-TiO2 nanocomposite. A modified Hummer’s method was used to synthesize graphene oxide (GO), and a hydrothermal procedure on GO produced reduced graphene oxide (rGO). The adopted approach yielded high-quality GO and rGO, based on Raman spectra results. The nanolayered structure of GO and rGO is revealed by Transmission Electron Microscopy (TEM) images. The Geo–rGO–TiO2 ternary nanocomposite was created by dispersing rGO nanosheets and TiO2 nanoparticles into geopolymer paste and stirring it for several minutes. The mixture was then cured in a sealed mold at 70 °C for one hour. After being demolded, the materials were kept for 28 days before being characterized. Fourier Transform Infrared (FTIR) and X-ray Diffraction (XRD) measurements revealed that the geopolymer matrix efficiently bonded the rGO and TiO2, creating nanocomposites. Scanning Electron Microscopy (SEM) coupled with Energy Dispersive Spectroscopy (EDS) was used to examine the morphology of the outer layer and cross-sections of nanocomposites, and the results displayed that rGO were stacked on the surface as well as in the bulk of the geopolymer and will potentially function as nanochannels with a width of around 0.36 nm, while TiO2 NPs covered the majority of the geopolymer matrix, assisting in anti-biofouling of the membranes. The pores structure of the Geo–rGO–TiO2 were classified as micro–meso pores using the Brunauer–Emmet–Teller (BET) method, indicating that they are appropriate for use as pervaporation membranes. The mechanical strength of the membranes was found to be adequate to withstand high water pressure during the pervaporation process. The addition of rGO and TiO2 NPs was found to improve the hyropobicity of the Geo–rGO–TiO2 nanocomposite, preventing excessive seawater penetration into the membrane during the pervaporation process. The results of this study elucidate that the Geo–rGO–TiO2 nanocomposite has a lot of potential for application as a pervaporation membrane for seawater desalination because all of the initial components are widely available and inexpensive.
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Jiang K, Liu K, Peng Q, Zhou M. Adsorption of Pb(II) and Zn(II) ions on humus-like substances modified montmorillonite. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127706] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Facile Synthesis of Flower-Like TiO2-Based Composite for Adsorption–Photocatalytic Degradation of High-Chroma Methylene Blue. Catalysts 2021. [DOI: 10.3390/catal11040515] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
A flower-like TiO2-based composite (denoted as Zn-Ti-6) was prepared using a flower-like zinc oxide template for adsorption–photocatalytic degradation of high-chroma methylene blue. The reaction took place in an alkaline environment following hydrochloric acid treatment to remove the template and form TiO2-based composite. Sodium hydroxide played both roles of morphology-directing agent and reactive etchant. The possible mechanism for the formation of flower-like Zn-Ti-6 was proposed. The adsorption and photocatalytic degradation behavior of Zn-Ti-6 on methylene blue (MB) removal was also investigated. The results revealed that Zn-Ti-6 showed better adsorption and photocatalytic degradation performance than TiO2 nanoparticles owing to its much larger specific surface area, more abundant hydroxyls, and lower photoluminescence intensity. The adsorption and photocatalytic degradation data of Zn-Ti-6 were well fitted to the pseudo-second-order and pseudo-first-order kinetics models, respectively. The excellent adsorption performance of Zn-Ti-6 is largely beneficial to the subsequent photocatalytic degradation performance for high-chroma wastewater treatment. Overall, this study contributes a facile fabrication strategy for flower-like TiO2-based composite to achieve the adsorption–photocatalytic degradation of high-chroma wastewater.
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Niuniavaite D, Baltakys K, Dambrauskas T, Eisinas A, Rubinaite D, Jaskunas A. Microstructure, Thermal Stability, and Catalytic Activity of Compounds Formed in CaO-SiO 2-Cr(NO 3) 3-H 2O System. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1299. [PMID: 32630781 PMCID: PMC7407582 DOI: 10.3390/nano10071299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/19/2020] [Accepted: 06/29/2020] [Indexed: 11/30/2022]
Abstract
In this work, the thermal stability, microstructure, and catalytic activity in oxidation reactions of calcium silicate hydrates formed in the CaO-SiO2-Cr(NO3)3-H2O system under hydrothermal conditions were examined in detail. Dry primary mixture with a molar ratio of CaO/SiO2 = 1.5 was mixed with Cr(NO3)3 solution (c = 10 g Cr3+/dm3) to reach a solution/solid ratio of the suspension of 10.0:1. Hydrothermal synthesis was carried out in unstirred suspensions at 175 °C for 16 h. It was determined that, after treatment, semicrystalline calcium silicate hydrates C-S-H(I) and/or C-S-H(II) with incorporated Cr3+ ions (100 mg/g) were formed. The results of in situ X-ray diffraction and simultaneous thermal analyses showed that the products were stable until 500 °C, while, at higher temperatures, they recrystallized to calcium chromate (CaCrO4, 550 °C) and wollastonite (800-850 °C). It was determined that both the surface area and the shape of the dominant pore changed during calcination. Propanol oxidation experiments showed that synthetic semicrystalline calcium silicate hydrates with intercalated chromium ions are able to exchange oxygen during the heterogeneous oxidation process. The obtained results were confirmed by XRD, STA, FT-IR, TEM, SEM, and BET methods, and by propanol oxidation experiments.
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Affiliation(s)
- Domante Niuniavaite
- Department of Silicate Technology, Kaunas University of Technology, Radvilenu 19, LT-50270 Kaunas, Lithuania; (D.N.); (T.D.); (A.E.); (D.R.)
| | - Kestutis Baltakys
- Department of Silicate Technology, Kaunas University of Technology, Radvilenu 19, LT-50270 Kaunas, Lithuania; (D.N.); (T.D.); (A.E.); (D.R.)
| | - Tadas Dambrauskas
- Department of Silicate Technology, Kaunas University of Technology, Radvilenu 19, LT-50270 Kaunas, Lithuania; (D.N.); (T.D.); (A.E.); (D.R.)
| | - Anatolijus Eisinas
- Department of Silicate Technology, Kaunas University of Technology, Radvilenu 19, LT-50270 Kaunas, Lithuania; (D.N.); (T.D.); (A.E.); (D.R.)
| | - Dovile Rubinaite
- Department of Silicate Technology, Kaunas University of Technology, Radvilenu 19, LT-50270 Kaunas, Lithuania; (D.N.); (T.D.); (A.E.); (D.R.)
| | - Andrius Jaskunas
- Department of Physical and Inorganic Chemistry, Kaunas University of Technology, Radvilenu 19, LT-50270 Kaunas, Lithuania;
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