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hot watertreatment; watertreatment, etc ; 2,4-dichlorophenol; absorption; adsorption; density functional theory; energy; light; nanospheres; photocatalysis; photocatalysts; surface area; tetracycline; texture; wastewater; China; Show all 16 Subjects
Abstract:
... High-efficiency photocatalysts are of great significance for the application of photocatalytic technology in water treatment. In this study, N/Cu co-doped ZnS nanosphere photocatalyst (N/Cu-ZnS) is synthesized by a hydrothermal method for the first time. After doping, the texture of nanosphere becomes loose, the nanometer diameter is reduced, making the specific surface area of catalyst increased ...
watertreatment, etc ; arginine; chlorides; chlorination; chlorine; cyanogen; histidine; hydrogen peroxide; oxidation; river water; uric acid; China; Show all 12 Subjects
Abstract:
... Ultraviolet/persulfate (UV/PS) and Ultraviolet/hydrogen peroxide (UV/H₂O₂) have attracted much attention in recent years as advanced oxidation processes for water treatment. However, it is not all clear how these two methods affect the formation of cyanogen chloride (CNCl) in the subsequent water chlorination process. In this study, it was found that both UV/H₂O₂ and UV/PS pre-oxidation promoted t ...
hot watertreatment, etc ; adsorption; antibiotics; electrical conductivity; enrofloxacin; hydrophilicity; new family; photocatalysis; sodium; synergism; temperature; China; Show all 12 Subjects
Abstract:
... MXenes, a new family of two-dimensional transition metal carbides or nitrides, have attracted tremendous attention for various applications due to their unique properties such as good electrical conductivity, hydrophilicity, and ion intercalability. In this work, Ti₃C₂ MXene, or MX, is converted to MX-TiO₂ composites using a simple and rapid microwave hydrothermal treatment in HCl/NaCl mixture sol ...
watertreatment, etc ; Japan; activated sludge; biodegradation; biological treatment; biotransformation; databases; metrology; nitrogen; phosphorus; toxicity; wastewater; water reuse; China; Show all 14 Subjects
Abstract:
... In order to reveal the hotspots and trends of biological water treatment from the perspectives of scientific and technological innovation, both of the bibliometric review and patents analysis were performed in this study. The Web of Science Core Collection database and Derwent Innovation Index database recorded 30023 SCI papers and 50326 patents, respectively were analyzed via information visualiz ...
... MXenes have emerged as wonderful materials that earned enormous attention in the last decade for applications in various fields. The potential of MXenes in the development of novel membranes has been explored recently by many researchers. This review critically assessed the recent advances in applications of MXene-based materials for the development of novel membranes. The synthesis routes of the ...
hot watertreatment; watertreatment, etc ; adsorption; aqueous solutions; catalysts; magnetism; mineralization; nanocomposites; phosphates; sulfates; tetracycline; toxicity; Show all 12 Subjects
Abstract:
... A magnetic FeCo₂O₄/Co₃O₄ nanocomposite was successfully synthesized by a facile hydrothermal method as an efficient activator for persulfate (PS) activation to degrade tetracycline (TC) in an aqueous solution. TC removal and mineralization efficiencies reached up to 91.63% and 43.57% in 120 min in the FCC-3/PS system, respectively. The mixed-valence of Fe/Co in the nanocomposite catalyst was benef ...
... Interfacial polarization and geometrical morphology play a significant role in the attenuation of electromagnetic (EM) wave. Herein, the two-dimensional (2D)/2D heterojunction with flower-like geometrical morphology is proposed and produced, which may simultaneously provide a large contact area for achieving strong interfacial polarization and activates more sites for the possible multiple EM wave ...
hot watertreatment; watertreatment, etc ; adsorption; ion exchange; magnesium hydroxide; manganese monoxide; oxidation; pH; polyurethanes; sorption isotherms; Show all 10 Subjects
Abstract:
... Novel integration of adsorption followed by catalytic oxidation is expected to be more beneficial for higher Mn(II) removal performance. We prepared self-assembled 3D flower-like Mg(OH)₂ coated on granular-sized polyurethane (namely FMHP) via hydrothermal method at 120 °C under a facile synthesis route. The optimized material, FMHP prepared with 7 g MgO and 20 g polyurethane (FMH₀.₃₅P), achieved u ...
watertreatment, etc ; bioremediation; decontamination; nanohybrids; research; Show all 5 Subjects
Abstract:
... The current nanotechnological advancements provide an astonishing insight to fabricate nanomaterials for nano-bioremediation purposes. Exciting characteristics possessed by hybrid matrices at the nanoscale knock endless opportunities to nano-remediate environmentally-related pollunanomaterials tants of emerging concern. Nanometals are considered among the oldest generation of the world has ever no ...
watertreatment, etc ; convection; hydrodynamics; mineralization; research; Show all 5 Subjects
Abstract:
... Layering of water bodies with different physico-chemical properties is called stratification. This physical effect is known from lakes or oceans but also occurs in flooded underground mines and has been studied in the past. This review gives a summary of their investigation methods, flow dynamics, stratification development and breakdown. Furthermore, the barrier effect of stratification is discus ...
watertreatment, etc ; catalysts; gravity; nanosheets; pH; pollutants; Show all 6 Subjects
Abstract:
... For the first time in this study, CoAl-layered double hydroxide nanosheet membrane (LDHₘ) with abundant active sites was fabricated for peroxymonosulfate (PMS) activation with the mindset to catalytically degrade micropollutants. Depending on the catalyst loading, the developed LDHₘ can be driven under gravity at a permeate flux of approximately 80 L/m² h and 210 L/m² h at LDH loading of 0.80 mg/c ...
hot watertreatment, etc ; photoluminescence; semiconductors; water solubility; Show all 4 Subjects
Abstract:
... Optical properties of semiconductor quantum dots (QDs) can be tuned by doping with transition metal ions. In this study, water-soluble CdSe/ZnS:Mn/ZnS QDs with the core/shell/shell structure were synthesized through a hydrothermal method, in which the surface of the CdSe core was coated with a ZnS:Mn shell and ZnS capping shell. Herein, the CdSe core QDs were prepared first and then doped with Mn² ...
hot watertreatment, etc ; absorption; hydrogen; magnetism; nanocomposites; Show all 5 Subjects
Abstract:
... Nanocomposites with a three-dimensional (3D) flower-like geometrical morphology were considered as excellent microwave absorbers (MAs) because of the numerous effective sites for the multiple reflections of electromagnetic (EM) wave. Herein, for optimizing the EM matching characteristic and taking full advantage of interface polarization, a strategy of magnetic modulation was proposed to further i ...
hot watertreatment, etc ; anodes; calcium; electrochemistry; nanosheets; Show all 5 Subjects
Abstract:
... The Ca-doped Li₄Ti₅O₁₂ (LTO-CA) samples with flower-like morphology, were synthesized by a hydrothermal method and used as anode material for lithium-ion batteries. The results showed that Ca²⁺ ions were successfully introduced into the structure of LTO, and the flower-like morphology was assembled from a large number of nanosheets. The influence of Ca²⁺ doping on structure and electrochemical per ...
watertreatment, etc ; carbon; energy; nanocomposites; synergism; zinc oxide; Show all 6 Subjects
Abstract:
... Zinc oxide/poly(vinyl alcohol) nanocomposite (ZnO/PVA) has unique structural and functional properties, leading to excellent potential in many electrical, optical, water treatment, and medical fields. According to the broad applications of this composite in different sciences, a comprehensive study of its various aspects is necessary. Based on our knowledge, no complete research has yet been carri ...
watertreatment, etc ; distillation; environmental management; surface water; temperature; Show all 5 Subjects
Abstract:
... Membrane distillation is a well-established technology for non-volatile components retention, but the removal of volatile and semi-volatile substances in trace concentration, such as phenols derivates commonly found in surface waters, requires further comprehension. In this context, the direct contact membrane distillation (DCMD) performance was assessed for the retention of fifteen phenolic compo ...
watertreatment, etc ; adsorption; nitrogen; photocatalysis; photocatalysts; pollutants; research; Show all 7 Subjects
Abstract:
... Constructing photocatalyst with both high efficiency and selectivity is highly desired in water treatment process. However, it is difficult to realize the selectivity of photocatalysis due to the non-selective oxidative species produced in this process. Herein, for the first time, the photocatalytic selectivity was achieved on g-C₃N₄ (CN) through N vacancy introduction for effective removal of org ...
hot watertreatment, etc ; adsorption; lithium; salt lakes; synergism; Show all 5 Subjects
Abstract:
... A series of precursors Li₁.₆Zr₀.₀₄Mn₁.₅₆O₄, Li₂ZrO₃-coated Li₁.₆Zr₀.₀₄Mn₁.₅₆O₄ and Li₁.₆Mn₁.₆O₄ were successfully synthesized via simple hydrothermal treatment following roasting. Lithium ion-sieve was achieved by acid pickling the as-prepared precursors. The precursor itself dissolution during acid pickling was greatly inhibited after Li₂ZrO₃ coating. The substitution of Zr for Mn forms a strong ...
hot watertreatment, etc ; detection limit; evaporation; melamine; nanosilver; Show all 5 Subjects
Abstract:
... TiO₂ flower like nanomaterials (FLNMs) are fabricated via a hydrothermal method and Ag nanoparticles (NPs) are deposited via electron beam evaporation. Several biological pigments (CV, R6G and RhB) are selected as target molecules to investigate their surface enhanced Raman scattering (SERS) property. The results demonstrate ultrasensitivity and high reproducibility. They reveal that the limit of ...
watertreatment, etc ; environment; flocculation; particle size; surface water; toxicity; Show all 6 Subjects
Abstract:
... An abundance of nano-particles have been exposed to water environment. Owing to the particle size effects, nano-particles are inclined to absorb harmful substances and increase their levels of toxicity. In this study, the existence state, aggregation and settlement characteristics of nano-particles in the natural water are studied. Influenced by the structural layer repulsion, nano-particles have ...