Grinding characteristic of multi-walled carbon nanotubes-alumina composite particle

Munkhbayar, B.; Nasan, Bayaraa; Rehman, Hafizur; Kim, Junhyo; Chung, Hanshik; Jeong, Hyomin

doi:10.1007/s11595-012-0590-4

Cited by 6 publications

(4 citation statements)

References 16 publications

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“…Until now, considerable attention has been paid to the synthesis of nanocomposites by incorporating different nanoparticles owing to their exceptional properties. − Recently, “Ag” nanoparticles have been mostly used as a supporting material to synthesize the composite materials , benefiting from its very high thermal and electrical conductivity . “Ag” nanoparticles are also utilized in a wide range of practical applications such as in biosensors, biomedical imaging, Raman scattering, catalysts, as an antibacterial proxy, and in lithography. − However, no particular reports are available on the thermal characteristics of Ag/TiO 2 nanocomposite based nanofluids.…”

Section: Introductionmentioning

confidence: 99%

Thermal Conductivity of TiO₂ Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle

Batmunkh

Tanshen

Nine

et al. 2014

Ind. Eng. Chem. Res.

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151

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Nanofluid is a colloidal suspension which has received great attention over the past two decades, but its limited heat transfer enhancement is a matter of concern for industrial applications. We demonstrate an improvement in the thermal conductivity of TiO 2 nanofluids with an addition of negligible amounts of modified silver "Ag" nanoparticles. In this work, the surface/shape of newly synthesized "Ag" nanoparticles is modified by planetary ball milling. Then, to enhance the thermal conductivity of TiO 2 nanofluids, the flattened "Ag" particles are incorporated with the combination of small (15 nm) and large (300 nm) TiO 2 nanoparticles in an aqueous solution. The thermal conductivities of Ag/TiO 2 −water nanofluids with various weight concentrations are measured at temperatures ranging from 15 to 40 °C. As a result, the present study confirms that the thermal conductivity of TiO 2 based solution can be improved by introducing the flattened "Ag" particles.

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Section: Introductionmentioning

confidence: 99%

Thermal Conductivity of TiO₂ Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle

Batmunkh

Tanshen

Nine

et al. 2014

Ind. Eng. Chem. Res.

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151

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“…In the process of conducting scientific research, the following was revealed. As a result of the analysis of particle sizes, it was determined that the particle size decreases as the grinding rate increases [46]. It was found that the use of a fluidized bed in the process of convective drying intensified the technological process of drying particles [47].…”

Section: Devices For Drying Grinding and Mixing In The Processing Of ...mentioning

confidence: 99%

Technologies for the Rational Use of Animal Waste: A Review

Искаков

Sugirbay

2023

Sustainability

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Animal waste can serve as a raw material source for feed preparation, and can also be used, after appropriate processing, as fuel, fertilizer, biogas, and other useful products. In addition, the practical use of these wastes eliminates their mandatory disposal. Recycling animal waste is a feature of the circular economy, leading to environmental sustainability. In this regard, we conducted a search and review of contemporary scientific publications from open sources, including publications and data from Internet portals, Web of Science, Scopus scientometric databases, websites of patent offices, libraries, and reading rooms. It has been found that animal by-products are desirable for use in combination with vegetable protein sources. The 15 most relevant types of animal waste and their use are indicated based on current scientific publications. Moreover, 13 types of feed of animal origin, along with their purposes and descriptions, are also identified. Current scientific publications and research on the processing of insects into feed; the use of bird droppings, meat, and bone and bone meal; and the processing of seafood waste, bird waste, and eggshells are reviewed. As a result, firstly, the most important types of technological equipment involved in animal waste processing technologies, particularly devices for drying, grinding, and mixing, are analyzed and discussed. Secondly, technologies for processing waste into useful products of animal origin are analyzed and discussed.

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“…In [20], the result of particle size analysis showed that the particle size decreased with increasing grinding speed. However, this method of increasing the degree of grinding can be supplemented by changing the design of the working bodies, their location and quantity, which will lead to more perfect grinding.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

Determination of the average size of preliminary grinded wet feed particles in hammer grinders

Abilzhanuly

Искаков

Abilzhanov

et al. 2023

EEJET

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In the conditions of farms, it becomes necessary to grind feed that has a different degree of moisture. Therefore, the choice of universal working bodies is the object of research, and the theoretical determination of the average size of pre-crushed feed particles is of great scientific and practical importance and is a problem that needs to be solved. Proceeding from this, a constructive-technological scheme of a grinder with a universal grinding working body is proposed. The grinding apparatus is equipped with a hammer working body which has cutting edges. In this case, hammers with cutting edges crush the wet mass, and also create an air flow and work as flow accelerators at high speed. As a result of theoretical studies, the steps for arranging these working bodies were determined. Analytical expressions are obtained for determining the average length of pre-crushed feed particles depending on the distance between the faces of replaceable knife working bodies, i.e. from the step of arranging them in rows. At the same time, the calculation results showed that with a distance between the faces of replaceable hammers of 20 mm, the value of the average length of the grinded particles was 38.38 mm. The average size of pre-crushed particles from feed raw materials intended for farm animals was 37.64 mm, i. e. the difference between theoretical and actual value is only 2.0 %. This proves the reliability of the obtained analytical expression, which provides the determination of the main parameter of the grinding working body, i. e. spacing of radial knives in rows. The proposed method of determining the average length of crushed particles allows theoretically finding and planning the required particle size

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Grinding characteristic of multi-walled carbon nanotubes-alumina composite particle

Cited by 6 publications

References 16 publications

Thermal Conductivity of TiO₂ Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle

Thermal Conductivity of TiO₂ Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle

Technologies for the Rational Use of Animal Waste: A Review

Determination of the average size of preliminary grinded wet feed particles in hammer grinders

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Grinding characteristic of multi-walled carbon nanotubes-alumina composite particle

Cited by 6 publications

References 16 publications

Thermal Conductivity of TiO2 Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle

Thermal Conductivity of TiO2 Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle

Technologies for the Rational Use of Animal Waste: A Review

Determination of the average size of preliminary grinded wet feed particles in hammer grinders

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Product

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Thermal Conductivity of TiO₂ Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle

Thermal Conductivity of TiO₂ Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle