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Relevant bibliographies by topics / Dust extraction / Dissertations / Theses

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Dissertations / Theses on the topic 'Dust extraction'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 June 2024

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1

Widger, Ian Roy. "Improvements of high pressure water sprays used for coal dust extraction in mine safety." Thesis, University of Manchester, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386033.

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2

Calvosa, Frank. "Supercritical fluid extraction of polybrominated diphenyl ethers (PBDEs) from standard reference material 2585 (organic contaminants in house dust) with 1,1,1,2-tetrafluoroethane (R134a)." Click here for download, 2008. http://proquest.umi.com/pqdweb?did=1490081841&sid=1&Fmt=2&clientId=3260&RQT=309&VName=PQD.

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3

Nabeel, Muhammad. "A study of micro-particles in the dust and melt at different stages of iron and steelmaking." Doctoral thesis, KTH, Tillämpad processmetallurgi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-196805.

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The dust particles generated due to mechanical wear of iron ore pellets and clusters formed in molten stainless steel alloyed with rare earth metals (REM) are considered in this study. Firstly, the influence of the characteristics of iron ore pellets, applied load on a pellet bed and partial reduction of the pellets on the size distribution of the generated dust was investigated. Secondly, REM clusters are investigated to evaluate the size distribution of the clusters. Also, an extreme value distribution (EVD) analysis has been applied for the observed REM clusters. The large sized pellets sho

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4

Otoupal, Dominik. "Separace rubidia z cementářských bypassových odprašků." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2018. http://www.nusl.cz/ntk/nusl-376866.

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5

Patel, Rushik, and Ajay Kumar. "Dust extractor solution." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-37979.

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The following report conducted with the collaboration of the University of Halmstad and HGFrubber company (Halmstad).The focus on the project is eliminating the dust particles from the inner surface of the EPDM basedrubber module.As a part of improving knowledge about the quality and surface finishing and understanding thematerial’s characteristics. This project initiated in February 2018 and end date was set to August2018.The methodology used in this project is based on the Six-Sigma tools which is widely appreciatedglobally to obtain the Zero-defect production.The implementations of this met

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6

Karlsson, Lovisa. "Waste Water Treatment - A Case Study : Removal of Ni, Cu and Zn through precipitation and adsorption." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-26130.

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Waste water containing high concentrations of dissolved metals were delivered to the environmental company SAKAB. After standard treatment procedure, involving regulation of pH and addition of flocculation agents, the water still contained nickel concentrations of 26 mg/l. Since SAKAB’s regulatory concentration limit value for nickel in outgoing water is 0.5 mg/l, further treatment was necessary. According to the supplier of the water, a complexing agent similar to EDTA had been added to the water. The aim of this study was to decrease concentrations of nickel, zinc and copper. One part of thi

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7

Thieffry, Guillemette. "Procédé alternatif pour l’épuration des fumées de hauts fourneaux." Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0288/document.

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Afin de permettre la mise en place d’une filière de valorisation du CO2 issu de l’industrie sidérurgique, cette étude a pour but de proposer un nouveau procédé de dépoussiérage des fumées de hauts fourneaux qui serait placé à la suite des filières actuelles de traitement pour améliorer leur épuration. L’originalité de la technologie retenue, un lit granulaire arrosé, permet de maintenir la perte de charge constante en facilitant le réentraînement en continu des particules collectées à l’aide d’un écoulement de liquide (formant un film à la surface des collecteurs) pour ainsi pallier le problèm

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8

Thieffry, Guillemette. "Procédé alternatif pour l’épuration des fumées de hauts fourneaux." Electronic Thesis or Diss., Université de Lorraine, 2018. http://www.theses.fr/2018LORR0288.

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Afin de permettre la mise en place d’une filière de valorisation du CO2 issu de l’industrie sidérurgique, cette étude a pour but de proposer un nouveau procédé de dépoussiérage des fumées de hauts fourneaux qui serait placé à la suite des filières actuelles de traitement pour améliorer leur épuration. L’originalité de la technologie retenue, un lit granulaire arrosé, permet de maintenir la perte de charge constante en facilitant le réentraînement en continu des particules collectées à l’aide d’un écoulement de liquide (formant un film à la surface des collecteurs) pour ainsi pallier le problèm

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9

Niazi, Nabeel Khan. "Variability, Speciation and Phytoremediation of Soil Arsenic at Cattle Dip Sites in NSW, Australia." Thesis, The University of Sydney, 2011. http://hdl.handle.net/2123/8047.

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Arsenic (As) contamination of soils is a major environmental problem due to its toxic and carcinogenic nature. Historical use of As-containing pesticides has resulted in the contamination of soils with high and variable concentrations of As in many parts of Australia. Phytoremediation using As-hyperaccumulating ferns can be potentially utilised as an environmental friendly and low-cost remediation technology to phytoextract As from soils at sites containing elevated and varying concentration of As. The spatial variability of total and phosphate-extractable As concentrations was evaluated in so

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10

Sanchez, Marc. "Etude des extracteurs d'air hybrides éoliens : conception de géométries et analyse des écoulements." Thesis, Perpignan, 2015. http://www.theses.fr/2015PERP0040/document.

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Ce travail de thèse concerne l'étude d'extracteurs d'air hybrides éoliens. Il se décompose en des investigations amont et appliquées. Dans la partie amont, des simulations fines ont été effectuées en conduite carrée avec et sans rotation, pour des nombres de Reynolds turbulents de l'ordre de 600, afin d'analyser l'impact de la rotation sur la turbulence. Elles ont montré que la rotation rompt la symétrie de l'écoulement. La partie appliquée est dédiée à la conception d'une nouvelle géométrie d'extracteur d'air. Cette géométrie a été proposée à partir de l'analyse de simulations RANS. Ses perfo

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11

Lo, Hui-Ru, and 羅惠如. "Caustic extraction of zinc from electric arc furnace steel dust." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/45492345764893885668.

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碩士<br>國立高雄應用科技大學<br>化學工程與材料工程系<br>97<br>Electric arc furnace (EAF) contains mainly zinc ferrite(ZnFe2O4) and zincite(ZnO). There are still problems for recovery Zn for the EAF dusts between the pyrometallurgical and/or hydrometallurgical processes. In the thesis, a low temperature caustic leaching process was investigated for the extraction Zn from EAF dust. NaOH was chosen as leaching agent combining either NH4OH or citric acid. In this thesis, different alkaline leaching agent were used to find out the maximum zinc extraction ratio: (i) NaOH leaching agent; the highest zinc recovery ratio w

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12

Sun, Li-ming, and 孫立明. "Using Supercritical Fluid Extraction to Remove Pyrene from EAF Dust in Steelmaking Industry." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/17323033821023016978.

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碩士<br>朝陽科技大學<br>環境工程與管理系碩士班<br>96<br>In this research, three electric arc furnace (EAF) dusts were selected based on pH values, with slight acid, neutral, and alkaline, which were collected from the air pollution prevention and control equipment in steelmaking industry in central Taiwan. The dusts were spiked with pyrene prior to the study. When using surfactant washing process to remove pyrene from the dusts, two washing methods included horizontal shaking bath and ultrasonic shaking were conducted. Once the surfactant concentration reached to 7 times of critical micelle concentration, rem

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13

Huang, Nan-Zhan, and 黃南展. "Feasibility of using sulfuric acid for extraction of aluminum oxide from furnace dust." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/3z23q3.

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碩士<br>國立中山大學<br>環境工程研究所<br>106<br>Aluminum is the most abundant metallic element in the earth and it is widely used in our daily life. In aluminum manufacture process will produce secondary product like aluminum dregs and dust. It will cause air、water and soil pollution without properly stabilizing treatment. Aluminum contents around 30~50% by weight in the composition of aluminum slag and dust. If we collect aluminum secondary product as raw material for recycle, it can achieve the goal of zero waste and circular economy. At this research, aluminum slag is providing from aluminum recycling fa

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14

Liu, Tien-Sheng, and 劉典昇. "Feasibility of using phosphoric acid for extraction of aluminum oxide from furnace dust." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/g44tcn.

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碩士<br>國立中山大學<br>環境工程研究所<br>106<br>Aluminum smelting is one critical process in the aluminum-regeneration industries. In Taiwan, the production of aluminum-containing dusts produced by smelting exceeds 100,000 tons/year. The principal constituents in aluminum-containing dusts include metal aluminum, aluminum oxide, aluminum nitride, and aluminum carbide. By effectively recycling and reusing aluminum-containing dusts, elevating the aluminum recovery of the processes, and increasing the feasibility of producing aluminum oxide-containing produces, the land area and cost needed for the aluminum-con

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15

Kussak, Anders. "Development of methods for determining aflatoxins in biological material." Doctoral thesis, 1995. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-101303.

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In this thesis, it is shown how aflatoxins can be determined in biological material. The thesis is a summary of five papers. Aflatoxins are carcinogenic mycotoxins produced by Aspergillus moulds. Methods were developed for the determination of aflatoxins in samples of airborne dust and human urine collected at feed factories. For the dust samples from such agricultural products as copra, cotton seed and maize, methods were developed for the determination of aflatoxins B1, B2, G1 and G2. For urine samples, methods were developed for analysing the four aflatoxins above that naturally occur in du

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16

Samal, S. K. "Studies on plasma processing of blue dust." Thesis, 2014. http://ethesis.nitrkl.ac.in/5936/1/E-103.pdf.

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A huge amount of blue dust is produced during mining operations of iron ore and mostly dumped at mines site. Till date no measure action is being taken for utilization of blue dust for extraction of metallic iron. Generally metallic iron is produced through BFO and DRI processes where particle/ore size and reductant is the most important factor considered for BF charge. The present piece of research work is aimed at use of blue dust for production of metallic iron. A newly emerging technology i.e. plasma smelting process is adopted for reduction of blue dust. Blue dust of average particle size

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