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Journal articles on the topic 'Dust extraction'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 June 2024

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1

Liu, Shu Jun, Kun Feng, Hao Nan Xu, and Ying Wang. "Study on Gasoline Combustion Dust with ASE and HPLC." Advanced Materials Research 750-752 (August 2013): 1852–54. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.1852.

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The gasoline combustion dusts was analyzed by accelerated solvent extraction-high performance liquid chromatography(ASE-HPLC) in this paper. The optimum extraction conditions were that extraction time was 30min, temperature was 120°C and the pressure was 100Mpa. It is a efficient extraction method for a laboratory to quickly extract gasoline combustion dust samples.

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Liu, Shu Jun, Hao Nan Xu, Kun Feng, and Ying Wang. "Study on Diesel Combustion Dust with ASE and HPLC." Advanced Materials Research 724-725 (August 2013): 1258–63. http://dx.doi.org/10.4028/www.scientific.net/amr.724-725.1258.

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Diesel combustion dust was analyzed by accelerated solvent extraction-high performance liquid chromatography (ASE-HPLC) in this article. The optimum extraction conditions was that N-hexane was the optimum extraction solvent, extraction time was 30min, temperature was 140°C and the pressure was 120Mpa. it could be a promising technique for the confirmation of the diesel combustion dusts.

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3

Prester, Ljerka, Jelena Kovačić, and Jelena Macan. "Comparison of buffers for extraction of mite allergen der p 1 from dust." Archives of Industrial Hygiene and Toxicology 63, no. 3 (2012): 293–300. http://dx.doi.org/10.2478/10004-1254-63-2012-2218.

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Der p 1 is the main allergen of house dust mite Dermatophagoides pteronyssinus, which has routinely been detected in residential dust. However, the procedure for extracting Der p 1 from reservoir dust has not been well defi ned. The aim of this study was to compare Der p 1 mass fractions in dust extracts prepared using the following extraction buffers: phosphate (pH 7.4), borate (pH 8.0), and ammonium bicarbonate (pH 8.0), all with 0.05 % Tween 20. Twenty-eight dust samples were divided into three aliquots and each portion was extracted with one of the three buffers at room temperature. Der p

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4

Zhai, Guo Dong, Zhi Feng Dong, and Sheng Ming Yan. "Design and Optimization of the Exhausting-Flowing Remover in Fully-Mechanized Top-Coal Caving Mining Face." Advanced Materials Research 347-353 (October 2011): 2666–71. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.2666.

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Because of its high output，much more dust is produced in fully-mechanized Longwall mining with top-coal caving (LMTC) mining faces than in conventional mechanized mining faces without top-coal caving. Now dust control in fully-mechanized LMTC mining faces has become a key technological problem needed to be solved. Baced on the ejected dust removal technology, this paper developed a coal dust extraction which used in the fully mechanized LMTC mining face. For the optimization of the extraction’s property, measure systems are designed. By amounts of assembled experiment, the best structure of th

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5

Zeng, Jian, Ke Fu Chen, Jian Ping Xie, et al. "Studies on Three-Stage Counter Current Extraction of Tobacco Stem and Tobacco Dust." Advanced Materials Research 550-553 (July 2012): 1681–86. http://dx.doi.org/10.4028/www.scientific.net/amr.550-553.1681.

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Tobacco stem and tobacco dust are the major raw materials in the reconstituted tobacco production. The extraction of the components from these materials is one of the most important procedures in making the reconstituted tobacco sheet. In this paper, we reported an approach of three-stage counter current extraction to transfer the components from tobacco stem and tobacco dust. The results showed that the extraction ratios for tobacco stem and tobacco dust were 40.2% and 54.2%, respectively. The testing results on the extracted tobacco stem and tobacco dust showed that the overall extraction ra

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6

DZIUBAK, Tadeusz. "A study on the improvement of uniformity of dust extraction from multicyclone dust collectors The paper presents a possible improvement of uniformity of dust extraction from individual cyclones of a multi-cyclone." Combustion Engines 147, no. 4 (2020): 69–78. http://dx.doi.org/10.19206/ce-117077.

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The paper presents a possible improvement of uniformity of dust extraction from individual cyclones of a multi-cyclone air filter with modifications of the dust collector design. The suggested dust collector model is divided into segments, with insulated extraction ducts, assigned to a specific number of individual cyclones. The concept of the division into extraction ducts and segments is presented based on the airfilter multicyclone of a special tracked vehicle. A physical and mathematical model of the dust collector segment is presented, and the heights of individual extraction ducts are ca

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7

Kovyazin, Anton, Konstantin L. Timofeev, and Sergey Krauhin. "Copper Smelting Fine Dust Autoclave Leaching." Materials Science Forum 946 (February 2019): 615–20. http://dx.doi.org/10.4028/www.scientific.net/msf.946.615.

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At present, arsenic content in copper concentrates is increasing, which leads to an increase in its content in all smelting products, the largest amount of arsenic is transferred in fine dust (dust composition,%: 10-12 Zn, 11-13 Pb, 8-15 Cu , 12-14 Fe, 5-10 As). Autoclaved leaching of dusts (temperature 160-200 °C, oxygen pressure 0.4-0.8 MPa, molar ratio H2SO4 /(Cu + Zn) = 0.75-2.25) to obtain a copper-zinc solution and a cake containing arsenic, iron and lead was studied. Copper extraction in the solution reaches 92%, zinc 95%. Lead, arsenic and iron are concentrated in the cake. Lead from c

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8

Siebers, Rob. "Extraction Of House Dust Mite Allergen, Der P1, From Dust." Archives of Industrial Hygiene and Toxicology 63, no. 4 (2012): 553. http://dx.doi.org/10.2478/10004-1254-63-2012-2329.

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9

Simonyan, L. M., and N. V. Demidova. "Selective extraction of carbon-free zinc and lead from EAF-dust." Izvestiya. Ferrous Metallurgy 63, no. 8 (2020): 631–38. http://dx.doi.org/10.17073/0368-0797-2020-8-631-638.

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In electric-arc furnace dust zinc content can reach 43 %, lead content can reach 4 %. The content of ecotoxicants such as dioxins and furans (D&F) adsorbed on dust particles achieve 500 ng/kg of dust. Generally, zinc and lead are reduced from their oxides by dint of carbon (an average of 500 kg/t dust). The results of thermodynamic calculations and experimental studies have shown that these metals can be extracted from dust without the participation of carbon or at its low content (less than 3 %) [1]. Temperature of about 1400 K is required to extract lead, and about 2000 K is required for

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10

Dosmukhamedov, Nurlan, Valery Kaplan, Erzhan Zholdasbay, et al. "Chlorination Treatment for Gold Extraction from Refractory Gold-Copper-Arsenic-Bearing Concentrates." Sustainability 14, no. 17 (2022): 11019. http://dx.doi.org/10.3390/su141711019.

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New experimental results have been obtained on the behavior of arsenic and other associated metals (Re and others) under conditions of oxidative and reductive sintering. It has been established that the extraction of arsenic strongly depends on the process temperature during oxidative sintering. The extraction of arsenic into dust media at 873 K is 50% and rhenium is 88–90%. The effect of excess air on the extraction of arsenic and rhenium into dust was studied: the higher the excess air coefficient, the more complete the extraction of arsenic and rhenium into the dust. The obtained data indic

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11

Wen, Kang, Feng Jiang, Xiangyang Zhou, and Zhaoming Sun. "Recovery of Gallium from Corundum Flue Dust by Two-Stage Alkali Leaching, Carbonation, Acid Leaching and Solvent Extraction Process." Metals 8, no. 7 (2018): 545. http://dx.doi.org/10.3390/met8070545.

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Flue dust generated during the process of manufacturing corundum is a carrier of critical metal gallium. In this study, a process of alkali leaching-carbonation-acid leaching-solvent extraction was developed to recover and enrich gallium from corundum flue dust. Over 93% of the gallium in corundum flue dust could be recovered through a two-stage alkali leaching process, which consists of 120 min of concentrated alkali leaching in NaOH solution and a subsequent 30-min dilute alkali leaching (after dilution), with an alkali-to-ore mass ratio of 1.2:1. Liquid to solid ratios in two alkali leachin

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12

Mamyachenkov, S. V., N. A. Khanzhin, O. S. Anisimova, and K. A. Karimov. "Extraction of non-ferrous metals and arsenic from fine dusts of copper smelter production by combined technology." Izvestiya Vuzov. Tsvetnaya Metallurgiya (Universities' Proceedings Non-Ferrous Metallurgy) 27, no. 5 (2021): 25–37. http://dx.doi.org/10.17073/0021-3438-2021-5-25-37.

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Fine dusts of copper smelting production are a valuable raw material for the extraction of heavy non-ferrous, noble and rare metals. A feature of dusts is the high content of arsenic in them, which must be removed from the production cycle in the form of a product suitable for safe storage. The most rational way is the combined technology for processing copper smelting production dusts including low-temperature dust roasting (calcination) in order to distill arsenic into a separate product and to break up poorly soluble sulfide and ferrite zinc and copper compounds. The chemical and phase comp

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13

Rani, Bodapati Sandhya, L. Rama Prasad Reddy, S. Reddemma, Ch Dinesh Chandra, and A. Ranganathan. "An Experimental Study on Quarry Dust as Partial Replacement for Sand in Concrete." International Journal of Innovative Research in Computer Science and Technology 8, no. 6 (2020): 459–65. http://dx.doi.org/10.55524/ijircst.2020.8.6.18.

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Concrete plays the key role and a large quantum of concrete is being utilized in every construction practices. Quarry Dust which is a other non-voluble waste material after the extraction and processing of rocks to form fine particles less than 4.75mm.The Quarry dust can be an alternative to the river sand since river sand is expensive due to excessive cost of transportation from natural sources and also large scale depletion of these sources creates environmental problems .In this project work the usage of different quarry dusts by studying the physical and chemical properties, workability of

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14

Dewika, M., M. Rashid, and M. R. Ammar. "Performance of a Retrofitted Multicyclone for PM2.5 Emission Control." E3S Web of Conferences 34 (2018): 02011. http://dx.doi.org/10.1051/e3sconf/20183402011.

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This paper presents on the performance of a retrofitted multicyclone system, which aims to increase the collection efficiency of PM2.5 (i.e. particulate size fraction ≤ 2.5 μm) emission. The multicyclone was retrofitted by extracting 15% and 20% of the total volumetric air flow rate at the dust hopper of the unit using an additional Induced Draft Fan. The total collection efficiency with and without the extraction was measured at various air volumetric flow rates and particulate mass inlet concentration. The results showed that there was a reduction of 12% to 54% depending on the inlet concent

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15

Liu, Jianguo, Hongyue Zhang, Yuzhu Zhou, et al. "Design and Optimization of a Novel Dust Collection Device for Underground Dry Drilling Based on Numerical Simulation and Field Testing." Processes 11, no. 10 (2023): 2942. http://dx.doi.org/10.3390/pr11102942.

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To address the challenge of dust control during dry drilling of underground coal seams, a novel dust-collecting device for micron-size dust was designed and tested. To determine the optimal structural parameters of the dust collector, numerical simulations were employed to investigate the influence of the positions of the dust extraction pipe, slag discharge pipe angle, and cavity diameter on the distributions of the airflow velocity field and the pressure field inside the device. The findings revealed that the best performance was achieved when the dust extraction pipe was positioned in the l

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16

Pałubicki, Bartosz, Luďka Hlásková, and Tomasz Rogoziński. "Influence of Exhaust System Setup on Working Zone Pollution by Dust during Sawing of Particleboards." International Journal of Environmental Research and Public Health 17, no. 10 (2020): 3626. http://dx.doi.org/10.3390/ijerph17103626.

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Air pollution by wood dust in furniture production sites is an important hygiene issue. The dust is created by all types of wood and wood-based material machining, and its concentration in the working zone surrounding the machining stand depends on the effectiveness of the dust exhaust system. In present research, three setups of the dust extraction system for a conventional table sawing machine are considered while machining particleboards. The results showed a high impact of the exhaust system connection setup on the dust concentration in the air surrounding the sawing machine work stand. Th

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17

Trembach, T. F., and A. G. Klimenko. "Vacuum dust-extraction systems for production buildings." Coke and Chemistry 53, no. 12 (2010): 468–70. http://dx.doi.org/10.3103/s1068364x10120069.

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18

Tang, Honghu, Lihua Zhao, Wei Sun, et al. "Extraction of rubidium from respirable sintering dust." Hydrometallurgy 175 (January 2018): 144–49. http://dx.doi.org/10.1016/j.hydromet.2017.11.003.

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19

Takahashi, Y., M. Higashi, T. Furukawa, and S. Mitsunobu. "Change of iron species and iron solubility in Asian dust during the long-range transport from western China to Japan." Atmospheric Chemistry and Physics Discussions 11, no. 7 (2011): 19545–80. http://dx.doi.org/10.5194/acpd-11-19545-2011.

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Abstract. In the North Pacific, transport and deposition of mineral dust from Asia appear to be one of major sources of iron which can regulate growth of phytoplankton in the ocean. In this process, it is essential to identify chemical species of iron contained in Asian dust, because bioavailability of iron in the ocean is strongly influenced by the solubility of iron, which in turn is dependent on iron species in the dust. Here, we report that clay minerals (illite and chlorite) in the dusts near the source (western China) are transformed into ferrihydrite by atmospheric chemical processes du

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20

Averkova, O. A., A. B. Goltsov, K. I. Logachev, and A. V. Minko. "Reduction of dust extraction from an aspiration shelter due to mechanical shielding." NOVYE OGNEUPORY (NEW REFRACTORIES), no. 3 (September 15, 2020): 65–71. http://dx.doi.org/10.17073/1683-4518-2020-3-65-71.

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The dust dynamics in an aspiration shelter equipped with various thin mechanical screens is considered. To calculate the trajectories of dust particles, the differential equation of their motion was used, the velocity field of the air flow was calculated by the method of boundary integral equations. The influence of different mechanical screens on the maximum diameter of dust particles is determined. It is shown that when using curved mechanical screens it is possible to significantly reduce dust extraction in the suction network.

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21

Dosmukhamedov, Nurlan, Erzhan Zholdasbay, and Aidar Argyn. "Extraction of Pb, Cu, Zn and As from Fine Dust of Copper Smelting Industry via Leaching with Sulfuric Acid." Sustainability 15, no. 22 (2023): 15881. http://dx.doi.org/10.3390/su152215881.

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Fine dust from copper smelting plants is an important source of raw materials for the extraction of various valuable metals. A specific feature of dust from copper smelting plants in Kazakhstan is their high arsenic content of up to 15%. This work shows the possibility of hydrometallurgical processing of fine dust from copper smelters, obtained during the converting of copper mattes through the Vanyukov process, via direct leaching with sulfuric acid. The influence of temperature, process time and the S:L (solid/liquid) ratio on the selective extraction of Pb, Zn, Cu and As into targeted produ

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22

Dembiński, Czesław, Zbigniew Potok, Martin Kučerka, Richard Kminiak, Alena Očkajová, and Tomasz Rogoziński. "The Dust Separation Efficiency of Filter Bags Used in the Wood-Based Panels Furniture Factory." Materials 15, no. 9 (2022): 3232. http://dx.doi.org/10.3390/ma15093232.

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The relationship between the conditions of the use of filter bags made of non-woven fabric and the separation efficiency of wood dust generated in a furniture factory was experimentally determined in the conditions of pulse-jet filtration using a pilot-scale baghouse as waste during the processing of wood composites. The experiments were carried out, and we describe the results of the experiment as consisting in assembling one type of filter bag in two dust extraction installations operating under different operating conditions in the same furniture factory. The filter bags working in the assu

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23

Ratnasingam, Jegatheswaran, Tajuddin Hj Arshad, Albert Khoo, et al. "Wood coating dust emission in the Malaysian furniture industry: A case study." BioResources 15, no. 3 (2020): 6874–85. http://dx.doi.org/10.15376/biores.15.3.6874-6885.

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The objectives of this study were to evaluate the current dust extraction efficiency used in the Malaysian furniture industry and also the effectiveness of using engineered nanoparticle (ENP)-added coatings to reduce dust emission in the wood finishing operation. This study was in response to the enforcement of the Clean Air Regulation (2014), which requires significant improvements in the air quality and the work environment in the wood-based industry in Malaysia. A series of sanding experiments with different abrasive grit sizes and different coating types were conducted to determine the dus

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Zhang, Juhua, Yuwei Chang, Cong Gao, Xujie Hui, and Ari Jokilaakso. "Extraction of Gallium from Brown Corundum Dust by Roasting—Acid Leaching Process." Minerals 13, no. 7 (2023): 900. http://dx.doi.org/10.3390/min13070900.

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Brown corundum dust is a solid waste produced during the preparation of brown corundum with bauxite as the raw material. The dust has a relatively high gallium content; therefore, it is of great value to recover the gallium from this kind of dust. In this paper, a range of analysis and characterization methods, including XRD, XRF, SEM-EDS, and EPMA, were used to determine the occurrence of gallium. It was found that gallium was mainly present in the potassium-rich phase, wrapped by amorphous silicate and the corundum phase. Roasting activation followed by an acid leaching process was proposed

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Wang, Qingguo, Deming Wang, and Hetang Wang. "Modeling the Influence of Dust-Removing Extraction Fan’S Parameters on the Dust Control Effects in the Tunnel." Environmental Management and Sustainable Development 5, no. 2 (2016): 18. http://dx.doi.org/10.5296/emsd.v5i2.9627.

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<p class="emsd"><a name="OLE_LINK1"></a><span lang="EN-GB">In the process of comprehensive mechanized tunnelling in coal mines, forced ventilation is usually adopted to supply air in China. But this ventilation mode could cause the dust rise and diffuse more easily, which has threaten the mine workers’ health seriously. To solve this problem, </span><a name="OLE_LINK8"></a><span lang="EN-GB">dust-removing extraction fan</span><span lang="EN-GB"> is generally used to suck and purify dusty air in mines. However, the optimal arrangement

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Rimoshevsky, S. L., D. A. Prokopchuk, and D. M. Golub. "Investigation of the processes of dust processing gas cleaning of steelmaking industries." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 1 (March 26, 2021): 106–13. http://dx.doi.org/10.21122/1683-6065-2021-1-106-113.

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The article deals with the issues of processing of dust from electric steelmaking production by the method of thermodynamic extraction of iron, zinc and lead in order to reduce the environmental impact and increase the resource base of the industry. The paper presents various methods of zinc extraction from dust and gas purification, thermodynamic calculation of the decomposition and reclaiming of zinc ferrite.

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Kobylkin, S. S., A. N. Timchenko, and A. S. Kobylkin. "Use of Computer Simulation in the Selection of Operating Parameters for the Dust Extractor Built into the Roadheaders." Occupational Safety in Industry, no. 3 (March 2021): 21–27. http://dx.doi.org/10.24000/0409-2961-2021-3-21-27.

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An increase in the rate of mine workings excavation leads to the ingress of large amount of dust into the mine atmosphere. Ensuring the aerological safety of coal mines drifting faces according to the dust factor is an urgent task. To reduce the level of dustiness of a dead mine roadheading during its sinking, the scrubbers built into the roadheader are used. In this case, the joint operation of the ventilation system and the dust extraction system is not considered. This leads to the risk of occurrence of the stagnation zones or air recirculation near the bottom-hole area. At the intensive ve

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Toporkova, Yulia I., D. A. Prodanova, and O. S. Anisimova. "An Influence of EAF Dust Calcining Conditions on Zinc Leaching Efficiency in Ammonium-Chloride Media." Solid State Phenomena 299 (January 2020): 963–67. http://dx.doi.org/10.4028/www.scientific.net/ssp.299.963.

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An ammonium leaching of electric arc furnace dust (EAFD) was described in this paper. Ural steelmaking plants obtain EAFD of the following chemical composition, %: 23 Zn; 26 Fe; 10 Cl; 2,5 Ca; 2 Mg; 1,2 Pb; 1 Na. The most complete zinc extraction can be achieved with two-stages treatment by calcination of dusts [1], followed by leaching. The effect of calcination temperature (500-1000 °C), calcination time (1-4 hours) and Ca/Fe mass ratio on zinc extraction efficiency in ammonia solutions was studied. The optimal conditions were proposed to extract up to 87% zinc.

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Tiron, O., and K. Logachev. "NUMERICAL SIMULATION OF DUST-AIR FLOWS NEAR THE LOCAL VENTILATION EXTRACTION FROM DRILLING EQUIPMENT." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 6, no. 3 (2021): 36–46. http://dx.doi.org/10.34031/2071-7318-2021-6-3-36-46.

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A significant amount of dust is released during the drilling process. It negatively affects the cleanliness and ecology of the surrounding space, as well as human health. The design of a local extraction nozzle is proposed for dedusting the process of drilling concrete with standard drills. A computer model of the dust-air flow in the developed nozzle is created in the software package SolidWorks Flow Simulation. The dynamics of dust particles formed during drilling is numerically studied. The behavior of dust particles of different sizes is considered. It is proposed to use the value of the m

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Ye, Jin, Jiabao Pan, Hejin Ai, and Jiamei Wang. "Pure Electric Sweeper Performance Analysis and Test Verification of Dust Extraction Port." Applied Sciences 12, no. 10 (2022): 5188. http://dx.doi.org/10.3390/app12105188.

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Purely electric sweepers are widely used in the urban sanitation industry due to their emission-free nature and ease of miniaturisation. The dust suction port is the key to the dust suction system of the sweeper, and improving the design level of the dust suction port of the sweeper can effectively improve the operational performance of the sweeper. Using the company’s self-developed Ruiqing S26 pure electric sweeper as the research object, a CFD (Computational Fluid Dynamics) method was used to analyse the influence of the dust suction port structure parameters (front baffle tilt angle, outle

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Ren, Yu Hui, and Yue Ping Qin. "Research on Health Effects and Governance of Coal Dust." Advanced Materials Research 807-809 (September 2013): 620–23. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.620.

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According to the characteristics of coal mine dust extraction and its hazards and air pollution of the underground conditions, a detailed analysis of the major coal mine dust sources and dust distribution. For each proposed underground mining dust production source control measures. Management of coal mine dust and do a scientific outlook. Through the dust pollution control, improve coal miners operating environment to achieve cleaner production, reduce the incidence of occupational diseases miners, improve coal production and economic benefits.

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Abdessattar, Lamamra, and Neguritsa Dmitriy. "Elimination of diatomite dust in the longwall extraction section of the Sig mine in western Algeria." Izvestiya vysshikh uchebnykh zavedenii Gornyi zhurnal, no. 5 (August 6, 2020): 5–12. http://dx.doi.org/10.21440/0536-1028-2020-5-5-12.

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Research relevance. Dust generated by mining machines due to continuous loading and transport equipment movement especially in mines with no optimal ventilation conditions is a major problem for decision-makers. Dust directly affects mine capacity and exposes workers' lives to a risk of chronic disease due to the inhalation of large quantities of this dust and toxic gases during a seven-hour or eight-hour shift. Dust control methods in longwall mines vary from one mine to another, depending on ore composition. Research aim. In this article we will examine the current flow process of eliminatin

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Jovanović, Miloš S., Nemanja Krgović, Katarina Šavikin та Jelena Živković. "Ultrasound-Assisted Water Extraction of Gentiopicroside, Isogentisin, and Polyphenols from Willow Gentian “Dust” Supported by Hydroxypropyl-β-Cyclodextrin as Cage Molecules". Molecules 27, № 21 (2022): 7606. http://dx.doi.org/10.3390/molecules27217606.

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The residue after sieving (“dust”) from the willow gentian underground parts is an unexploited herbal tea by-product, although it contains valuable bioactive compounds. Cyclodextrins as efficient green co-solvents, cage molecules, and multifunctional excipients could improve the extraction and contribute to the added value of the resulting extracts. The objective of this study was to determine the optimal conditions for the extraction of gentiopicroside, isogentisin, and total phenolics (TPC) from willow gentian “dust” using ultrasound-assisted water extraction coupled with hydroxypropyl-β-cyc

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Rovin, S. L., D. I. Kurach, and S. V. Grigoriev. "Research and processing of shot blasting dust." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 1 (March 13, 2023): 73–78. http://dx.doi.org/10.21122/1683-6065-2023-1-73-78.

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Dispersed iron‑containing waste makes up the majority of solid technological waste of machine‑building and metallurgical enterprises. The problem of their disposal remains open, which leads to significant economic losses and creates a serious environmental threat. About 15–20 % of these wastes are assirative dusts of melting units. The content of compounds of various metals, and primarily iron, in some of them (for example, in the aspiration dust of arc steelmaking furnaces) reaches 60–70 % or more. However, today, despite all efforts, no more than 5–7 % of the captured aspiration dust of melt

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Nemchinova, N. V., V. E. Chernykh, A. A. Tyutrin, and A. E. Patrushov. "Extraction of zinc and iron from electrosmelting dust." Steel in Translation 46, no. 5 (2016): 368–72. http://dx.doi.org/10.3103/s0967091216050090.

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Hilber, T., R. Marr, M. Siebenhofer, and W. Zapfel. "SOLID/LIQUID EXTRACTION OF ZINC FROM EAF-DUST." Separation Science and Technology 36, no. 5-6 (2001): 1323–33. http://dx.doi.org/10.1081/ss-100103652.

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Selim, Mustafa I., Saleh H. El-Sharkawy, and William J. Popendorf. "Supercritical Fluid Extraction of Fumonisin B1from Grain Dust." Journal of Agricultural and Food Chemistry 44, no. 10 (1996): 3224–29. http://dx.doi.org/10.1021/jf940468j.

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Spaan, Suzanne, Gert Doekes, Dick Heederik, Peter S. Thorne, and Inge M. Wouters. "Effect of Extraction and Assay Media on Analysis of Airborne Endotoxin." Applied and Environmental Microbiology 74, no. 12 (2008): 3804–11. http://dx.doi.org/10.1128/aem.02537-07.

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ABSTRACT The measurement of airborne endotoxins is thus far not standardized. Earlier studies reported higher endotoxin yields when Tween 20 was added to the media used for filter extraction and in the Limulus amebocyte lysate (LAL) assay. This study compared four common media and assessed the effects of Tween during extraction and analysis separately. Parallel airborne dust samples from five work environments (n = 250) were used to compare the four media (pyrogen-free water [PFW], PFW-Tween 20, PFW-Tris, and PFW-triethylamine-phosphate [TAP]) and an extraction time of 10 or 60 min. A subset o

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Barakaev, N. R., and R. S. Jalilov. "Basic calculations of the movement of gas-liquid flows in dust collectors." Journal of Physics: Conference Series 2388, no. 1 (2022): 012172. http://dx.doi.org/10.1088/1742-6596/2388/1/012172.

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Abstract Based on mathematical calculations of the movement of gas-liquid flows in the channels of a dust collector with an arbitrary generator, the equation of the lateral surface was found, which allows increasing the dust extraction coefficient.

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Jagić, Karla, Marija Dvoršćak, Andreja Jurič, Toni Safner, and Darija Klinčić. "Optimization and validation of a two-step method for the determination of polybrominated diphenyl ethers in Croatian house dust samples." Analytical Methods 13, no. 31 (2021): 3504–10. http://dx.doi.org/10.1039/d1ay00695a.

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Zainal Abidin, Siti Salwa, Meor Yusoff Meor Sulaiman, Wilfred Paulus, Ahmad Khairulikram Zahari, Khaironie Mohammad Takip, and Yusof Abdullah. "Structural and Surface Morphology of ZnO." Materials Science Forum 888 (March 2017): 344–47. http://dx.doi.org/10.4028/www.scientific.net/msf.888.344.

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The raw material of the extraction process is dust from the electric arc furnace dust (EAFD). EAFD is a byproduct of steel mills which comprises mainly of iron (33-35%) and zinc (22-27%). In this study, ZnO was extracted and purified from EAFD using solvent extraction technique to remove other impurities. Solvent extraction process can easily be adapted into small and large capacities. Characterization of the samples has been done and the results show the production of purity of ZnO samples was quite high. The sample was characterized using equipment such as X-ray fluorescence, XRF, X-ray diff

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Lee, Hwang Sheng, and Yao Yi Teo. "A combined hydro-pyrometallurgical process for zinc oxide and iron oxide extraction from electric arc furnace dust waste." IOP Conference Series: Earth and Environmental Science 945, no. 1 (2021): 012027. http://dx.doi.org/10.1088/1755-1315/945/1/012027.

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Abstract Electric arc furnace (EAF) dust waste is generated during EAF steelmaking process. Zinc and iron which comprise the highest composition in EAF dust are secondary resources for making steel products. They mainly present in the form of stable zinc ferrite (ZnFe2O4), leading to the extraction process difficult. In this study, a combined hydro-pyrometallurgical process was developed to extract both zinc oxide and iron oxide from EAF dust. Initially, hydrometallurgical leaching was used to leach zinc and iron from EAF dust. Results show that 10 M of hydrochloric acid (HCl) at 25°C can achi

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Shevko, V. M., D. K. Aitkulov, A. D. Badikova, and M. A. Tuleyev. "Ferroalloy production from ferrosilicon manganese dusts." Kompleksnoe Ispolʹzovanie Mineralʹnogo syrʹâ/Complex Use of Mineral Resources/Mineraldik Shikisattardy Keshendi Paidalanu 318, no. 3 (2012): 43–50. http://dx.doi.org/10.31643/2021/6445.27.

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The article presents the results of studies on the influence of time, the amount of steel shavings and coke on the electric melting of ferrosilicon manganese dusts to obtain a ferroalloy. The research was carried out by the method of rotational planning of the second order (Box-Hunter plans) and by electric smelting of dust in laboratory ore-thermal arc furnace. Dust from the production of ferromanganese by LLP Taraz Metallurgical Plant, coke and steel shavings were used during the research. It was determined that to achieve αSi≥70%the process must be carried out in the presence of 25% coke an

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Mrkonjić, Živan, Dušan Rakić, Muammer Kaplan, Nemanja Teslić, Zoran Zeković, and Branimir Pavlić. "Pressurized-Liquid Extraction as an Efficient Method for Valorization of Thymus serpyllum Herbal Dust towards Sustainable Production of Antioxidants." Molecules 26, no. 9 (2021): 2548. http://dx.doi.org/10.3390/molecules26092548.

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The aim of this study was to valorize Thymus serpyllum herbal dust, a particular fraction distinguished as an industrial waste from filter-tea production. Pressurized liquid extraction (PLE) was used with the aim of overcoming certain obstacles of conventional extraction techniques in terms of shortening extraction time, reducing solvent consumption and energy costs, using “green” solvents and obtaining high yield and quality products. In order to optimize PLE of T. serpyllum herbal dust, the preliminary screening of the independent variables in order to define the most influential parameters

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Pavlić, Branimir, Oskar Bera, Senka Vidović, Lazar Ilić, and Zoran Zeković. "Extraction kinetics and ANN simulation of supercritical fluid extraction of sage herbal dust." Journal of Supercritical Fluids 130 (December 2017): 327–36. http://dx.doi.org/10.1016/j.supflu.2017.06.015.

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Liu, Song Li, and Xue Feng Zhang. "Experimental Study on Extracting Scandium from HCl Leachate of Chloride Dust." Advanced Materials Research 554-556 (July 2012): 2054–57. http://dx.doi.org/10.4028/www.scientific.net/amr.554-556.2054.

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Solvent extraction experiment of Sc was investigated.The extraction system consisted of 25% TBP+60% sulfonated kerosene +15% reforming agents. The results show that the extraction rates of Sc can reach up to 95%.The removing of Fe，Mn and Ti can be reached 99.1%, 99.4% and 99.5% respectively.The anti-extraction rates from organic phase with NaOH reach up to 99.7 % with effective separation from Fe，Mn and Ti.

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Sun, Pan-Pan, Tae-Young Kim, Hyeon Seo, and Sung-Yong Cho. "Separation and Recovery of Cu from Industrial Dust via a Solvometallurgical Process." Metals 12, no. 10 (2022): 1723. http://dx.doi.org/10.3390/met12101723.

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In this study, a solvometallurgical process for the recovery of Cu from industrial dust by leaching with a lixiviant comprising hydrochloric acid (HCl) and ethylene glycol followed by extraction with trioctylphosphine oxide (TOPO) was developed. Copper, Ni, Mg, and Al contained in the dust were efficiently dissolved by using HCl in ethylene glycol, leaving most of the Ag in the residue. The parameters (concentration of the lixivant, reaction temperature, pulp density) that affect leaching efficiency were extensively investigated and optimized. TOPO was used to selectively extract Cu over other

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Mrkonjić, Živan, Dušan Rakić, Aleksandar Takači, et al. "Polyphenols Recovery from Thymus serpyllum Industrial Waste Using Microwave-Assisted Extraction–Comparative RSM and ANN Approach for Process Optimization." Foods 11, no. 9 (2022): 1184. http://dx.doi.org/10.3390/foods11091184.

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The aim of this study was to valorize Thymus serpyllum L. herbal dust, the particular fraction distinguished as industrial waste from filter-tea production. This work demonstrated comparable analysis considering model fitting, influence analysis and optimization of microwave-assisted extraction (MAE) of bioactive compounds from the aforementioned herbal dust using face-centered central composite experimental design within the response surface methodology (RSM), as well as artificial neural networks (ANN). In order to increase yield and amount of compounds of interest and minimize solvent, time

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Bhatia, Karan. "DUST GENERATION AND ITS SEPARATION METHOD." International Journal of Students' Research in Technology & Management 3, no. 1 (2015): 228–30. http://dx.doi.org/10.18510/ijsrtm.2015.314.

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Dust control in underground as well as open pit mines has been an area of intense research and study. Dust controlling by dust capturing or dust consolidation and using appropriate method for different causes of dust generation has been the concern of this paper. Dust is generated mainly in every activity of mine from drilling to transportation to using any modern mechanization for ore extraction. Dust generation can cause less visibility more accidents, breathing problem, affects agriculture and vegetation. Various methods deployed for its control and separation does not impact its originator

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Deng, Youfan. "Discussion on Dust Control Technology of Coal Mine Integrated Excavation Face." International Journal of Energy 3, no. 1 (2023): 55–57. http://dx.doi.org/10.54097/ije.v3i1.10541.

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Coal is an important energy source in our country, and coal mine dust seriously endangers production safety and occupational health and safety, so it is necessary to take effective technical measures to prevent and control the coal mine. According to the main technical ways of dust prevention and control, the technical measures such as improving dust-proof water, strengthening coal seam water injection, carrying out high-pressure external spray, dust control and dust extraction purification, air flow purification and individual protection are discussed respectively. Finally, the technical meas

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