Monitoring of the Behaviour and State of Nanoscale Particles in a Gas Cleaning System of an Ore-Thermal Furnace

Bazhin, V. Yu.; Olga, N Masko

doi:10.3390/sym14050923

Cited by 6 publications

(5 citation statements)

References 33 publications

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“…In the afternoon, the situation reverses with vertical temperature gradients of up to 0,054 K/m caused by warmer air strata spreading over a cooler surface. This result demonstrates the importance of a correct processing of natural resources and its future effect on the economy of a country [17], [22].…”

Section: Figure 4 Variation Of the Refractive Coefficient According T...mentioning

confidence: 65%

Determination of the local refraction coefficient in Cuban lateritic mineral deposits

Ojeda Pardo,

Belette Fuentes,

Quiroz Cabascango

et al. 2023

J. Phys.: Conf. Ser.

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Much work has been done related to the characteristics of terrestrial refraction. However, very few have referred to the fluctuations of the refractive coefficient in the lower atmosphere in Cuban lateritic deposits. The objective of this research is to determine a local refraction coefficient in different climatic conditions and time of day, to increase the precision of the mineral volume calculation and to know its behavior and to analyze the influence of local refraction coefficient variations on the trigonometric leveling. The method of reciprocal simultaneous measurements of the vertical angle was applied to minimize the influence of the refractive coefficient and assess the errors committed. As results, a refraction coefficient of 0,17 was obtained, different from the 0,14 that is currently used, and that the Gaussian refraction coefficient +0,13 is not adequate to describe the refraction effects in the lower atmosphere. In conclusion, these results can be useful to better evaluate the role of refraction in topographic surveys at 1,5 m from the visual ray of the ground, in lateritic deposits on slopes greater than 20 %. The experiment on refraction showed a range of variation of KL between 0,134-0,179 near the ground on sunny days. This equates to vertical temperature gradients are 0,064-0,144 K/m during the day and 0,054 K/m after sunset.

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Section: Figure 4 Variation Of the Refractive Coefficient According T...mentioning

confidence: 65%

Determination of the local refraction coefficient in Cuban lateritic mineral deposits

Ojeda Pardo,

Belette Fuentes,

Quiroz Cabascango

et al. 2023

J. Phys.: Conf. Ser.

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“…A survey of a number of sources [45][46][47][48][49][50] show that an urgent problem in the transportation, 10. Sulfur storage at the terminal [49] reloading and storage of such bulk cargoes as granulated sulfur is their intense dusting during the handling processes, including in river and sea ports.…”

Section: Sulfur Dust Formationmentioning

confidence: 99%

Issues of the Impact of Granulated Sulfur Transportation on the Environmental Components

Иванов¹,

Smirnov²,

Lisay³

et al. 2023

J. Ecol. Eng.

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Nowadays, sulfur is considered one of the primary resources of the chemical industry, most of which is produced as a refinery by-product during the processing of oil and natural gas. Sulfur production volumes are increasing every year, while the demand for it does not always match the growing supply, which leads to a serious problem of sulfur surplus in the world market. Granulated sulfur -the main commercial type of elemental sulfur -is transported in large quantities both by land and sea and can have a negative impact on the environment. At the moment, the issue of the negative impact of granulated sulfur on the environment has not been fully studied, which determines the relevance of this research. This review article presents the global market of granulated sulfur, paying attention to its safe transport -from the producer to the consumer. The potentially harmful factors of the impact of sulfur handling on elements of the natural environment, such as atmospheric air, water reservoirs, soil and vegetation, were also taken into account.

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“…From the results of the thermal analysis, the heating temperatures to which the serpentine dunites would be subjected (25 -1600°C) were selected. Subsequently, through the X-ray diffraction technique, the main phase transformations experienced by this material were determined, simulating the working conditions to which they are subjected in the industrial process [13].…”

Section: Studies Of the Main Transformations Experienced By Serpentin...mentioning

confidence: 99%

Scientific fundamentals for the use of serpentinized rocks from the eastern region of Cuba

Ojeda Pardo,

Pons Herrera,

Ramirez Perez

et al. 2023

J. Phys.: Conf. Ser.

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Cuba has one of the largest reserves of basic and ultrabasic rocks in the world, located mainly in the Moa - Baracoa ophiolitic complex, where dunitic rocks abound, bearing the olivine mineral with important refractory properties. The present work shows the main scientific results, accumulated during more than 20 years of research on this raw material, and the obtaining of different refractory products, such as: foundry sands and non-stick paints, refractory bricks, among others. An experimental design of mixture, Mac Lean - Anderson type, was used, which allowed defining the best mixtures for the manufacture of refractory products, determining also the most important physical-mechanical properties and their comparison with similar materials. The use of this raw material would efficiently contribute to the reduction of the impact on the ecosystem currently caused by the accumulation of this debris in the region of Moa.

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Monitoring of the Behaviour and State of Nanoscale Particles in a Gas Cleaning System of an Ore-Thermal Furnace

Cited by 6 publications

References 33 publications

Determination of the local refraction coefficient in Cuban lateritic mineral deposits

Determination of the local refraction coefficient in Cuban lateritic mineral deposits

Issues of the Impact of Granulated Sulfur Transportation on the Environmental Components

Scientific fundamentals for the use of serpentinized rocks from the eastern region of Cuba

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