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uses of nanocalcite

A Green, Simple Chemical Route for the Synthesis of Pure Nanocalcite ...

A new, simple chemical route was developed for the synthesis of pure nanocalcite crystals by controlling the reaction of an aqueous solution of CaO and CO 2 gas. Results

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Nanoscale Analysis of the Structure and Composition of

2023.1.25  The organic biomolecules are expelled from the crystal lattice and concentrate in the form of pellicles, where they stabilize minor amounts of

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Preparation of Water Suspensions of Nanocalcite for Cultural

2018.4.19  However, silica is not chemically compatible with carbonate stones; in this respect, nanocalcite may be a suitable alternative. The present work concerns the

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Preparation of Water Suspensions of Nanocalcite for Cultural

2018.4.19  However, silica is not chemically compatible with carbonate stones; in this respect, nanocalcite may be a suitable alternative. The present work concerns the

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A Green, Simple Chemical Route for the Synthesis of Pure Nanocalcite ...

2015.1.8  The decrease of crystallite and particle size below a certain threshold provides the nanocalcite crystal signature characteristics that can be clearly observed in

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High surface area calcite - ScienceDirect

2013.5.15  The results demonstrate that pure nanocalcite with high specific surface area (14–17 m 2 /g) can be produced by the carbonation of a Ca(OH) 2 slurry. Compared

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A green, simple chemical route for the synthesis of pure

2019.5.26  Figure 1s. Schematic representation for synthesis of calcite crystals in the laboratory Characterization of the nanocalcite crystals. Phase identification and the

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Probing the energetics of organicâ nanoparticle

2022.2.28  Four high-quality commercial nanocalcite samples, charac- terized and used previously in a study of calcite surface energy (29), were used as adsorbents

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en/uses of nanocalcite.md at main dinglei2022/en

Contribute to dinglei2022/en development by creating an account on GitHub.

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Production of nanocalcite crystal by a urease producing

2018.11.16  A variety of microbial metabolic pathways including photosynthesis, ammonification, denitrification, urea hydrolysis and sulfate reduction can lead to the precipitation of carbonates in different natural environments (Hammes et al. 2003).The potential of microorganisms to synthesize calcium carbonate is called microbially induced

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New catalyst transforms carbon dioxide into sustainable

2023.5.3  The innovation, which uses a novel catalyst created in the lab of professor Ted Sargent, could spur new interest in carbon capture and storage. “Carbon capture is feasible today from a technical point of view, but not yet from an economic point of view,” Sargent said. “By using electrochemistry to convert captured carbon into products ...

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Polymers Free Full-Text Prewetting Induced Hydrophilicity

2022.1.12  To eliminate imidacloprid insecticide from wastewater, nanocalcite was grafted onto the surface of pretreated polyester fabric. The process of seeding was followed by the low temperature hydrothermal method for the growth of nanocalcite for the functionalization of fabric. The goal of this study was to improve the hydrophilicity of the

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(PDF) Stable Nano Calcite Synthesis - ResearchGate

2018.7.12  other method is carbonization method and uses . carbon d ioxide (CO 2) and calcium hydroxide (Ca(OH) 2) as the reactants (8-10). Nano si ze . particles can be produced in carbonization method .

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A green, simple chemical route for the synthesis of pure

2019.5.26  1 A green, simple chemical route for the synthesis of pure nanocalcite crystals Ahmed Barhoum,1,2* Guy Van Assche,1 Abdel Salam Hamdy Maklouf,3 Herman Terryn,1 Kitty Baert,1 Marie-Paule Delplancke4, Said M. El-Sheikh,5 Hubert Rahier1 1Department of Materials and Chemistry, Vrije Universiteit Brussel (VUB), Pleinlaan 2,

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Investigation of properties of mesoporous silica materials

2013.7.1  Superhydrophobic nanocalcite crystals were prepared via an adjusted aqueous reaction of CaO, CO 2 gas and sodium oleate. Box–Behnken design was used to optimize the preparation parameters such as CaO concentration, CO 2 gas flow rate and surfactant concentration. The results revealed that the produced CaCO 3 is indexed to

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Polymers Free Full-Text Prewetting Induced Hydrophilicity

To eliminate imidacloprid insecticide from wastewater, nanocalcite was grafted onto the surface of pretreated polyester fabric. The process of seeding was followed by the low temperature hydrothermal method for the growth of nanocalcite for the functionalization of fabric. The goal of this study was to improve the hydrophilicity of the nanocalcite

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A Green, Simple Chemical Route for the Synthesis of Pure Nanocalcite ...

A new, simple chemical route was developed for the synthesis of pure nanocalcite crystals by controlling the reaction of an aqueous solution of CaO and CO2 gas. Results revealed formation of well-defined and pure nanocalcite crystals with controlled crystallite and particle size, without additives or organic solvents.

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A Green, Simple Chemical Route for the Synthesis of Pure Nanocalcite ...

2015.1.8  Moreover, contact angle of nanocalcite @ PF was calculated to be 137.54° while after acidic and basic prewetting, it was reduced to 87.17° and 48.19°. Similarly, bandgap of the as fabricated ...

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Prewetting Induced Hydrophilicity to Augment

When nanocalcite was dispersed in water, then the surface of PF became anionic and an increase in surface charge occurred, which caused denser coverage of hydroxyl groups from the water and generated fewer hydrogen ions . Zeta potential of the as-fabricated, acidic, and basic prewetted nanocalcite @ PF became negative. Moreover, Zeta potential ...

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Novel PMMA/CaCO3 Nanocomposites Abrasion Resistant Prepared by

2001.3.20  Boron- and Nitrogen-Doped Graphene Quantum Dots/Graphene Hybrid Nanoplatelets as Efficient Electrocatalysts for Oxygen Reduction; High-Performance Organic Semiconducting Polymers by a Resonance-Assisted Hydrogen Bonding Approach

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High surface area calcite - ScienceDirect

2013.5.15  There are many methods for growing calcite, some published in the literature and many others existing as trade secrets. One in particular, referred to as the “carbonation method” or the “industrial route” [10], [11], [12] produces submicrometer calcite particles (nanocalcite) with surface area as high as 20 m 2 /g [13].

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Buildings Free Full-Text Investigation of the Mechanical

2022.1.2  Unlike conventional concrete materials, Engineered Cementitious Composites (ECC) use a micromechanics-based design theory in the material design process. Recently, the use of nanoparticles in various concretes and mortars has increased. This study used nanocalcite to investigate the mechanical, microstructural fractal

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Preparation of Water Suspensions of Nanocalcite for Cultural

2018.4.19  However, silica is not chemically compatible with carbonate stones; in this respect, nanocalcite may be a suitable alternative. The present work concerns the preparation of water suspensions of calcite nanoparticles (CCNPs) by controlled carbonation of slaked lime using a pilot-scale reactor. A simplified design of experiment was adopted

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Probing the energetics of organicâ nanoparticle

2022.2.28  Four high-quality commercial nanocalcite samples, charac-terized and used previously in a study of calcite surface energy (29), were used as adsorbents (Table S1). The details of direct gas adsorption calorimetry experiments are described in Materials and Methods. Results The properties of the nanocalcites (same materials as used in our

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(PDF) Prewetting Induced Hydrophilicity to Augment

2022.1.12  Moreover, contact angle of nanocalcite @ PF was calculated to be 137.54° while after acidic and basic prewetting, it was reduced to 87.17° and 48.19°. Similarly, bandgap of the as fabricated ...

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Buildings Free Full-Text Investigation of the Mechanical

2022.1.2  Unlike conventional concrete materials, Engineered Cementitious Composites (ECC) use a micromechanics-based design theory in the material design process. Recently, the use of nanoparticles in various concretes and mortars has increased. This study used nanocalcite to investigate the mechanical, microstructural fractal

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Thymol as an alternative to pesticides: persistence and

Thymol is a natural substance increasingly used as an alternative to pesticides in the fight against the Varroa destructor mite. Despite the effectiveness of this phenolic monoterpene against Varroa, few articles have covered the negative or side effects of thymol on bees. In a previous study, we ha

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Characterization of Various Carbon-Based Polypropylene Nanocomposites

2021.1.4  Table 2 Dynamic mechanical properties of carbon-based PP composites. Full size table. The 1 wt.% graphite-reinforced PP composite reduced the glass transition temperature of pure PP to 52.76 °C while lowering the amount of reinforced graphite shifted the glass transition temperature to a higher (67.39 °C) temperature.

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