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Encouragingly, the combination of magnetic diatomite with large-specic surface area and p-ATP with more active sites can produce a composite material with complex char-acteristics. On the one hand, using magnetic diatomite as the carrier can overcome the limitation of poor dispersibility of
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The phenolic substances in sugar cane juice affect the color value of white sugar. A magnetic chitosan-modified-diatomite (MCMD), as a new type of clarifying agent for sugar, prepared via a co-precipitation method combined with cross-linking treatment was firstly used to adsorb two primary phenolic acids of sugarcane juice: gallic acid (GA) and …
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Subsequently, carboxylated graphene oxide/diatomite/chitosan (GOH/DCS) and carboxylated graphene oxide/diatomite/magnetic chitosan (GOH/DMCS) composites were prepared through simple solid–liquid ...
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The decrement rate of triclosan (TCS) in aqueous solutions was investigated by adsorption onto alginate beads impregnated with magnetic diatomite (ABMD). The obtained results from the study of the ABMD adsorbent characterisation indicated the presence of sodium alginate, diatomite and Fe 3 O 4 in the ABMD …
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Chen Y, Wu Q, Wang J, Song Y, The fabrication of magnetic recyclable nitrogen-doped titanium dioxide/calcium ferrite/diatomite heterojunction nanocomposite for improved visible-light-driven degradation of tetracycline.
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A magnetic nano-scaled composite was synthesized by self-assembly of cationic surfactant octadecyl dimethyl hydroxyethyl ammonium nitrate (SN) into natural mineral diatomite via a 'dissolution ...
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Diatomite rock is a loose, earthy or loosely cemented porous and lightweight rock of sedimentary origin, mainly formed by fragments of armor (skeletons) of diatom …
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It is known that the toxicity of DDT affects some enzyme systems biochemically. The main motivation of this study is to develop an effective adsorbate for the removal DDT, which …
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The phenolic substances in sugar cane juice affect the color value of white sugar. A magnetic chitosan-modified-diatomite (MCMD), as a new type of clarifying agent for sugar, prepared via a co ...
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A new magnetitediatomite compositions was synthesized by co-precipitation diatomite with Fe2+ and Fe3+ in the presence of diatomite. Magnetic compositions of …
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A new magnetite–diatomite compositions was synthesized by co-precipitation diatomite with Fe2+ and Fe3+ in the presence of diatomite. Magnetic compositions of diatomite were investigated using XRD and SEM. Comprehensive analysis for SEM and XRD data shows that the most favorable magnetic particle including to the diatomite pores in DM …
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In this study, diatomite (Dt) was chosen to support magnetic SrFe 2 O 4 nano-particles. Then we introduced La-N co-doped TiO 2 (La-N-TiO 2) as the outermost layer of the composite. Photocatalytic efficiency of this ternary composite (La-N-TiO 2 / SrFe 2 O 4 /diatomite, tagged as LN-TSD) was evaluated by the degradation of OTC. From …
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Foodborne illnesses caused by Salmonella bacteria pose a significant threat to public health. It is still challenging to detect them effectively. Herein, biotemplated Janus disk-shaped magnetic microrobots (BJDMs) based on diatomite are developed for the highly efficient detection of Salmonella in milk. The BJDMs were loaded with aptamer, …
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DOI: 10.1016/J.CEJ.2019.05.047 Corpus ID: 164616953; Magnetic recyclable lanthanum-nitrogen co-doped titania/strontium ferrite/diatomite heterojunction composite for enhanced visible-light-driven photocatalytic activity and recyclability
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A mild hydrothermal method to functionalize diatomite with Fe 0 /iron oxide nanoparticles (Fe 0 /FeO x-DE) was attempted and its performance as a new magnetic …
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Diatomite, also known as diatomaceous earth, is a naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white to off-white powder. It is composed of the microscopic remains of diatoms, which are single-celled algae with …
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In sedimentological literature, "diatomite" is defined as a friable, light-coloured, sedimentary rock with a diatom content of at least 50%, however, in the Quaternary science literature diatomite is commonly used as a …
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We present magnetic diatomite and illite clay nanocomposites by loading Fe 3 O 4 nanoparticles onto the raw diatomite or illite clay surfaces via a simple one-pot solvothermal method. The magnetic clays have ordered structure, rich functional groups and strong magnetism as verified by X-ray diffraction (XRD), Fourier transform infrared …
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After the resulting magnetic diatomite (m-DE) precipitate was washed with ethanol (3 × 25 mL), ultrapure water (3 × 25 mL), it was dried at room temperature until constant weight. In order to introduce hydrophobic functionalities into the m-DE, 1.5 g of m-DE was added into 5 mL of octadecyltrimethoxysilane (OTMS) solution (2%, w/V) in ...
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Coscinodiscus diatomite was used as a template to fabricate uniform flaky magnetic particles by means of electroless nickel deposition. The morphology, coating composition, and magnetic properties of the prepared nickel-coated Coscinodiscus diatomite (magnetic microdisks) were characterized in detail using scanning electron …
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The g-C3N4/diatomite/Fe3O4 composites were synthesized by an electrostatic self-assembly method. The band edge of g-C3N4 was red shifted due to the addition of Fe3O4 and diatomite.
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After the resulting magnetic diatomite (m-DE) precipitate was washed with ethanol (3 × 25 mL), ultrapure water (3 × 25 mL), it was dried at room temperature until constant weight. In order to introduce …
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Request PDF | On Sep 3, 2024, Chao Gao and others published Biotemplated Janus Magnetic Microrobots Based on Diatomite for Highly Efficient Detection of Salmonella | Find, read and cite all the ...
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Preparation of diatomite supported calcium ferrite ternary magnetic material and its adsorption of selenite in aqueous solution. Author links open overlay …
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However, the strong interaction among magnetic nanoparticles, such as van der Waals force and magnetic dipolar interaction, leads to the agglomeration of these nanoparticles. From Fig. 2 (c), the diatomite clearly revealed a disc-like porous structure, which has a diameter of 25–40 µm.
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The adsorption behavior of the MnFe 2 O 4 /diatomite composite is an endothermic and spontaneous process. The magnetic MnFe 2 O 4 /diatomite composite can be a promising candidate as an adsorbent for …
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To develop an effective adsorbate for the removal DDT, the bare diatomite particles were magnetically modified and a hydrophobic ligand attached to enhance its adsorptive and physio-chemical features and the kinetic data revealed the quick adsorption process without any diffusion limitations. Pesticides are highly hazardous chemicals for …
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Relation to Mining Throughout most of the world, the lower cost of and higher recovery from open-pit quarrying relative to underground mining encourages operators to use surface mining methods. Where the diatomite sequence is thick, benches from 1.5 to 15 m in height are developed. Benching not only facilitates the removal of ore and waste but …
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Magnetic diatomite for pesticide removal from aqueous solution via hydrophobic interactions ... the diatomite particles reduced average pores diameter whereas surface …
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Three-dimensional diatomite was decorated with a novel magnetic two-dimensional layered double hydroxides nanosheet (DE@NiFe LDH) by the hydrothermal synthesis method. The adsorption of anionic, cationic dyes, As(V), and As(III) was achieved by the synergistic effect of diatomite and NiFe LDH.
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