Andrei Ivanets
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View article: Advancements in calcium ferrite-based photocatalysts: Insights into their synthesis and performance in degrading organic pollutants
Advancements in calcium ferrite-based photocatalysts: Insights into their synthesis and performance in degrading organic pollutants Open
View article: Structural and Phase Evolution of Nay Zeolite During Strontium Adsorption and Immobilization in Aluminosilicate Ceramic Matrices
Structural and Phase Evolution of Nay Zeolite During Strontium Adsorption and Immobilization in Aluminosilicate Ceramic Matrices Open
View article: Sol-gel synthesis, structure and adsorption properties of LiMgxMn(2-x)O4 (0 ≤ x ≤ 0.7) Oxides
Sol-gel synthesis, structure and adsorption properties of LiMgxMn(2-x)O4 (0 ≤ x ≤ 0.7) Oxides Open
Lithium manganese оxides with a spinel structure LiMgxMn(2–x)O4, doped with Mg2+ ions in the range 0 ≤ x ≤ 0.7, were obtained by sol-gel synthesis. Phase composition and morphology of obtained оxides were studied by using X-ray phase analy…
View article: Studying the synthesis regularities of adsorbents based on the oxides Li4Ti5O12 and Li2TiO3
Studying the synthesis regularities of adsorbents based on the oxides Li4Ti5O12 and Li2TiO3 Open
Using solid-phase, hydrothermal and sol-gel synthesis methods, adsorbents based on double oxides Li 2 TiO 3 and Li 4 Ti 5 O 12 were obtained. The influence of the synthesis conditions of samples on their phase composition, surface morpholo…
View article: Design of Nickel-Containing Nanocomposites Based on Ordered Mesoporous Silica: Synthesis, Structure, and Methylene Blue Adsorption
Design of Nickel-Containing Nanocomposites Based on Ordered Mesoporous Silica: Synthesis, Structure, and Methylene Blue Adsorption Open
Mesoporous materials containing heteroelements have a huge potential for use as catalysts, exchangers, and adsorbents due to their tunable nanometer-sized pores and exceptionally large internal surfaces accessible to bulky organic molecule…
View article: Upcycling Electroplating Sludge Metals into Ultrathin Nifeal-Ldh Nanosheets for Advanced Energy Storage Applications
Upcycling Electroplating Sludge Metals into Ultrathin Nifeal-Ldh Nanosheets for Advanced Energy Storage Applications Open
View article: Perovskite/Pyrochlore Composite Mineral-like Ceramic Fabrication for 90Sr/90Y Immobilization Using SPS-RS Technique
Perovskite/Pyrochlore Composite Mineral-like Ceramic Fabrication for 90Sr/90Y Immobilization Using SPS-RS Technique Open
A novel solid-phase synthetic approach was developed to produce a mineral-like composite ceramic based on strontium titanate (SrTiO3) and yttrium titanate (Y2Ti2O7) matrices for immobilizing radionuclides such as 90Sr and its daughter prod…
View article: Mesoporous Layered Double Hydroxides: Synthesis for High Effective Uranium Ions Sorption from Seawater and Salt Solutions on Nanocomposite Functional Materials
Mesoporous Layered Double Hydroxides: Synthesis for High Effective Uranium Ions Sorption from Seawater and Salt Solutions on Nanocomposite Functional Materials Open
A series of sorption materials based on layered double hydroxides (Co-Fe LDH, Ni-Fe LDH, and Zn-Ti LDH) were obtained by a facile and environmentally friendly method of coprecipitation. A low particle size of no more than 10 µm was achieve…
View article: Synthesis of nanostructured silica with combined micro- and mesoporosity as bismuth carrier
Synthesis of nanostructured silica with combined micro- and mesoporosity as bismuth carrier Open
View article: Textural properties of ordered nanoporous silica synthesized on mesogenic template
Textural properties of ordered nanoporous silica synthesized on mesogenic template Open
Several synthesis routes have been developed and correlations between the variables of the synthesis procedure and the physicochemical properties of nanoporous silica materials of the MCM-48 type deposited by the template method in the pre…
View article: EFFECT OF THE NATURE OF Ti-CONTAINING PRECURSORS AND CONVERSION CONDITIONS TO H-FORM ON THE ADSORPTION PROPERTIES OF Li4Ti5O12 AND Li2TiO3 OXIDES
EFFECT OF THE NATURE OF Ti-CONTAINING PRECURSORS AND CONVERSION CONDITIONS TO H-FORM ON THE ADSORPTION PROPERTIES OF Li4Ti5O12 AND Li2TiO3 OXIDES Open
The solid phase synthesis was used to obtain Li4Ti5O12 and Li2TiO3 oxides. Effect of the Ti-containing precursor, pH and temperature of the regeneration solution on the conversion degree to the H-form and the sorption capacity of Li+ ions …
View article: EFFECT OF DOPING WITH Al3+ IONS ON ADSORPTION PROPERTIES Li1,33Mn1,67O4 OXIDES WITH SPINEL STRUCTURE
EFFECT OF DOPING WITH Al3+ IONS ON ADSORPTION PROPERTIES Li1,33Mn1,67O4 OXIDES WITH SPINEL STRUCTURE Open
This paper presents results adding ions Al3+ into structure of Li-Mn spinel with composition Li1,33Mn1,67O4. It has been established that doping with Al3+ ions leads to a noticeable increase in the specific surface area by 1,9–7,6 times an…
View article: STUDY OF THE IMMOBILIZATION OF STRONTIUM IONS BY COMPLEX CALCIUM-ZIRCONIUM AND MAGNESIUM-ZIRCONIUM PHOSPHATES
STUDY OF THE IMMOBILIZATION OF STRONTIUM IONS BY COMPLEX CALCIUM-ZIRCONIUM AND MAGNESIUM-ZIRCONIUM PHOSPHATES Open
The immobilization of Sr2+ ions by adsorbent based on calcium-zirconium and magnesium-zirconium phosphate was studied. It has been established that desorption efficiency of Sr2+ is 4,2–58,1 %, while the heat treatment of samples makes it p…
View article: 137Cs, 85Sr and 60Co sorption from model solutions of low activity liquid radioactive waste by modified oil shale
137Cs, 85Sr and 60Co sorption from model solutions of low activity liquid radioactive waste by modified oil shale Open
The results of the study of cesium, strontium, cobalt radionuclides sorption from model solutions simulating liquid radioactive waste on promising sorbents based on thermally modified oil shale are presented. The dependency of texture para…
View article: Synthesis and physicochemical properties of adsorbents based on Li1.33Mn1.67O4
Synthesis and physicochemical properties of adsorbents based on Li1.33Mn1.67O4 Open
Adsorbents based on binary lithium-manganese oxides with the spinel structure of Li1.33Mn1.67O4 were synthesized by using solid-phase, sol-gel, and hydrothermal methods. The effect of the synthesis methods and calcination temperature on th…
View article: Highly Active Nico2s4-(Fe, Co, Ni)9s8/C Hybrid Nanosheets for the Reduction of 4-Nitrophenol to 4-Aminophenol
Highly Active Nico2s4-(Fe, Co, Ni)9s8/C Hybrid Nanosheets for the Reduction of 4-Nitrophenol to 4-Aminophenol Open
View article: Modification of Thin Film Composite PVA/PAN Membranes for Pervaporation Using Aluminosilicate Nanoparticles
Modification of Thin Film Composite PVA/PAN Membranes for Pervaporation Using Aluminosilicate Nanoparticles Open
The effect of the modification of the polyvinyl alcohol (PVA) selective layer of thin film composite (TFC) membranes by aluminosilicate (Al2O3·SiO2) nanoparticles on the structure and pervaporation performance was studied. For the first ti…
View article: Sorption properties of Zr-CaMg and Ti-Ca-Mg phosphates in relation to Sr(II) ions
Sorption properties of Zr-CaMg and Ti-Ca-Mg phosphates in relation to Sr(II) ions Open
The synthesis of Zr-Ca-Mg and Ti-Ca-Mg phosphates of different composition was carried out and their sorption properties to Sr(II) ions were studied. The effect of pH of aqueous solutions, as well as of background electrolytes NaCl, CaCl2 …
View article: A novel approach for rice straw agricultural waste utilization: Synthesis of solid aluminosilicate matrices for cesium immobilization
A novel approach for rice straw agricultural waste utilization: Synthesis of solid aluminosilicate matrices for cesium immobilization Open
A new approach to the use of rice straw as a difficult-to-recycle agricultural waste was proposed. Potassium aluminosilicate was obtained by spark plasma sintering as an effective material for subsequent immobilization of 137Cs into a soli…
View article: Facile Synthesis of Cr-Doped Ferrite Catalyst from Cr-Containing Electroplating Sludge with Activated Persulfate for Efficient Degradation of Tetracycline
Facile Synthesis of Cr-Doped Ferrite Catalyst from Cr-Containing Electroplating Sludge with Activated Persulfate for Efficient Degradation of Tetracycline Open
View article: Fe/C Materials Prepared by One-Step Calcination of Acidified Municipal Sludge and Their Excellent Adsorption of Cr(Vi)
Fe/C Materials Prepared by One-Step Calcination of Acidified Municipal Sludge and Their Excellent Adsorption of Cr(Vi) Open
View article: Fe-Nx-C Material with Excellent Supercapacitor Performance Prepared Through Oleic Acid Acidification Pretreatment - Oily Sludge Pyrolysis Process
Fe-Nx-C Material with Excellent Supercapacitor Performance Prepared Through Oleic Acid Acidification Pretreatment - Oily Sludge Pyrolysis Process Open
View article: Superb Adsorption of Congo Red by Zn-Cr Layered Bimetallic Hydroxides Prepared from Electroplated Sludge
Superb Adsorption of Congo Red by Zn-Cr Layered Bimetallic Hydroxides Prepared from Electroplated Sludge Open
View article: Spark Plasma Sintering of Magnetic Zeolite Spent Sorbent Saturated by Cs137 Radionuclide
Spark Plasma Sintering of Magnetic Zeolite Spent Sorbent Saturated by Cs137 Radionuclide Open
View article: Superb Adsorption of Congo Red by Zn-Cr Layered Bimetallic Hydroxides Prepared from Electroplated Sludge
Superb Adsorption of Congo Red by Zn-Cr Layered Bimetallic Hydroxides Prepared from Electroplated Sludge Open
View article: Hydrothermal synthesis, structure and sorption performance to cesium and strontium ions of nanostructured magnetic zeolite composites
Hydrothermal synthesis, structure and sorption performance to cesium and strontium ions of nanostructured magnetic zeolite composites Open
The problem of water contamination by long-living cesium and strontium radionuclides is an urgent environmental issue. The development of facile and efficient technologies based on nanostructured adsorbents is a perspective for selective r…
View article: Effect of magnesium ferrite doping with lanthanide ions on dark-, visible- and UV-driven methylene blue degradation on heterogeneous Fenton-like catalysts
Effect of magnesium ferrite doping with lanthanide ions on dark-, visible- and UV-driven methylene blue degradation on heterogeneous Fenton-like catalysts Open
View article: Synthesis, structure and morphology of composites based on magnesium ferrite and carbon nitride
Synthesis, structure and morphology of composites based on magnesium ferrite and carbon nitride Open
The composites based on magnesium ferrite and carbon nitride were synthesized by the sol-gel method in combination with thermochemical condensation. The effect of the synthesis method on the crystalline structure, the phase and chemical co…
View article: Preparation and physicochemical properties of the Fe, Mn-oxides catalyst
Preparation and physicochemical properties of the Fe, Mn-oxides catalyst Open
A Fe, Mn-oxide catalyst was obtained by impregnation of thermally activated dolomite granules with aqueous solutions of Fe(III) and Mn(II) sulfates followed by heat treatment. Its physicochemical properties were studied using differential …
View article: Preparation of microfiltration ceramic membranes
Preparation of microfiltration ceramic membranes Open
The main factors affecting the physicochemical properties of microfiltration ceramic membranes based on natural quartz sand were studied. It was found that samples of large-porous ceramics with a content of 11.0 wt. % of the aluminosilicat…