Evidence map›Paper›PMID 42196232›Full record

ArticleInternational journal of molecular sciences2026

Ultrasonic Synthesis of Magnesium-Iron Layered Double Hydroxides and Their Sorption Properties Toward Chromate Anions.

Roman A Golubev, Omar M Khubiev, Daria I Semenkova, Linh V Nguyen, Anton R Egorov, Nikolai N Lobanov, Rovshan H Nazarov, Victor N Khrustalev, Anatoly A Kirichuk, Vasili V Rubanik and 2 more

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Article in International journal of molecular sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

12 authors.

Roman A GolubevDepartment of Human Ecology and Bioelementology & Department of General and Inorganic Chemistry, RUDN University, 6 Miklukho-Maklaya St., Moscow 117198, Russia.
Omar M KhubievDepartment of Human Ecology and Bioelementology & Department of General and Inorganic Chemistry, RUDN University, 6 Miklukho-Maklaya St., Moscow 117198, Russia.ORCID 0000-0002-1742-2467
Daria I SemenkovaDepartment of Human Ecology and Bioelementology & Department of General and Inorganic Chemistry, RUDN University, 6 Miklukho-Maklaya St., Moscow 117198, Russia.
Linh V NguyenDepartment of Human Ecology and Bioelementology & Department of General and Inorganic Chemistry, RUDN University, 6 Miklukho-Maklaya St., Moscow 117198, Russia.ORCID 0009-0002-5987-1110
Anton R EgorovDepartment of Human Ecology and Bioelementology & Department of General and Inorganic Chemistry, RUDN University, 6 Miklukho-Maklaya St., Moscow 117198, Russia.ORCID 0000-0002-6006-6883
Nikolai N LobanovDepartment of Human Ecology and Bioelementology & Department of General and Inorganic Chemistry, RUDN University, 6 Miklukho-Maklaya St., Moscow 117198, Russia.
Rovshan H NazarovInstitute of Chemistry of Additives, Beyukshor Highway, Block 2062, Baku 1029, AZ, Azerbaijan.
Victor N KhrustalevDepartment of Human Ecology and Bioelementology & Department of General and Inorganic Chemistry, RUDN University, 6 Miklukho-Maklaya St., Moscow 117198, Russia.ORCID 0000-0001-8806-2975
Anatoly A KirichukDepartment of Human Ecology and Bioelementology & Department of General and Inorganic Chemistry, RUDN University, 6 Miklukho-Maklaya St., Moscow 117198, Russia.
Vasili V RubanikInstitute of Technical Acoustics NAS of Belarus, Ludnikova Prosp. 13, 210009 Vitebsk, Belarus.
Alexander G TskhovrebovDepartment of Human Ecology and Bioelementology & Department of General and Inorganic Chemistry, RUDN University, 6 Miklukho-Maklaya St., Moscow 117198, Russia.ORCID 0000-0002-4445-2530
Andreii S KritchenkovDepartment of Human Ecology and Bioelementology & Department of General and Inorganic Chemistry, RUDN University, 6 Miklukho-Maklaya St., Moscow 117198, Russia.ORCID 0000-0002-6411-5988

Funding

Russian Science Foundation 25-73-00229
6 · The paper itself

Abstract

Layered double hydroxides (LDHs) are promising anion sorbents, but conventional Mg-Fe LDH synthesis requires prolonged aging. The effects of ultrasound application stage on Mg-Fe LDH microstructure and chromate uptake remain insufficiently clarified. This study compared ultrasonic treatment during and after coprecipitation and related XRD-derived microstructural descriptors to Cr(VI) sorption. Mg-Fe LDHs were synthesized using 28 or 40 kHz ultrasound during or after coprecipitation and 1.7 MHz ultrasound after coprecipitation; 24 h thermal aging was used as a reference. The products were characterized by ICP-MS, FTIR, TGA/DSC, SEM, and XRD and tested for chromate adsorption, kinetics, recyclability, multicomponent-solution performance, and soil Cr(VI) immobilization. Fifteen minutes of ultrasonication yielded Mg/Fe ≈ 2 LDHs and shortened synthesis compared with 24 h aging. Ultrasound during coprecipitation at 28 kHz gave the best sorbent, increasing experimental adsorption capacity to 80.35 mg/g versus 53.70 mg/g for the reference LDH. Sorption followed pseudo-second-order kinetics and was best described by the Freundlich model. In a multicomponent solution, this sample removed 68% Cr(VI) at 1.0 g/L and reduced water-soluble Cr(VI) in soil from 14.31 to 0.26 mg. Ultrasound application during coprecipitation improves Mg-Fe LDH structure-related characteristics and chromate sorption.

Indexed as

ChromatesHydroxidesIronMagnesiumAdsorptionAnionsKineticsUltrasonic WavesX-Ray DiffractionAnionsChromatesHydroxidesIronMagnesiumchromate sorptionlayered double hydroxidessonochemistryultrasoundX-Ray diffraction analysis

Identifiers

PMID42196232
PMCPMC13207604

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.