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Dissertations / Theses on the topic 'Palygorskite'

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Published: 4 June 2021
Last updated: 26 July 2025

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1

Kumar, Swati. "Optical and vibrational spectroscopic studies of synthetic Maya pigments as a function of concentration of indigoid dyes." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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Shariatmadari, Hossein. "Interactions of phosphates and selected organic molecules with palygorskite and sepiolite." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ32799.pdf.

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3

Кустовська, Антоніна Дмитрівна, Сергій Віталійович Іванов, and Ігор Іванович Марцин. "Application of activated palygorskite in the processes of petroleum products cleaning." Thesis, XI Polish-Ukrainian Sym-posium “Theoretical and Experimental Studies of Interfacial Phenomena and their Technological Appli-cations”. – Krasnobrod – Zamosc: Poland. August 22-26, 2007 - P. 72, 2007. http://er.nau.edu.ua/handle/NAU/28824.

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It has been shown quite recently that natural alumosilicates (clays and zeolites) have high adsorption activity towards water, organic acids, compounds containing sulphur, which are fuels and oils pollutions. Application of natural alumosilicates for this purpose is economically sound, because these minerals have ommensurable properties and are cheaper than synthetic adsorbents; besides, there are large deposits of these minerals in Ukraine.
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Harker, Evelyn Ruth. "Removal of Pharmaceuticals from Water Using Thermally Recycled Palygorskite-Montmorillonite Clay." Miami University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=miami1516187161463351.

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5

Ramirez, Alejandra. "A study of the interaction of thioindigo dye with several inorganic host materials." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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6

SOTO, OMAR ALFREDO JUAREZ. "REMOVAL OF MANGANESE II FROM LIQUID EFFLUENTS THROUGH THE SORPTION ON PALYGORSKITE AND COAL ASH." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2005. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=7600@1.

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CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Neste trabalho estudou-se a remoção de manganês II, de efluentes da indústria mineira, por sorção, utilizando dois tipos de sorventes: o minério de paligorsquita proveniente Nova Guadalupe (Piauí) e a fração pesada das cinzas proveniente da queima de carvão mineral da indústria termoelétrica de Tubarão (SC). Foi apresentado um breve histórico da sorção de metais em argilas e óxidos, além das características dos processos de sorção e a análise dos principais trabalhos correlatos disponíveis na literatura, procurando evidenc
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7

Sharma, Alok. "Molecular Dynamics simulation of rock and clay minerals to estimate their mechanical properties." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/40928.

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Macroscopic analyses of rocks have produced acceptable results for many problems. These problems are simple, involving normal conditions. But a need is arising to study these rocks under extreme conditions, like high temperatures, projectile penetration and extreme pressures. Behavior of rocks under these conditions cannot be predicted using common macroscopic analyses at normal conditions. Nanostructure of the rock governs the behavior of rock under such situations. Hence, there is a need to study these materials using micro molecular mechanics. There is also a theory that failure in a rock
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8

Ait, Aghzzaf Ahmed. "Argiles en tant que réservoirs d'inhibiteurs de corrosion métallique issus de ressources naturelles dans des peintures pour la protection des métaux." Thesis, Université de Lorraine, 2014. http://www.theses.fr/2014LORR0049/document.

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Ce travail a été consacré au développement de nouveaux microréservoirs d'inhibiteurs de corrosion à base de ressources naturelles minérales (les argiles marocaines de types beidellite et palygorskite), et organiques (le chitosane et l'acide heptanoïque) pour être utilisés en tant que charges anticorrosion dans les peintures. Dans les réservoirs de type beidellite, le stockage des inhibiteurs de corrosion a été réalisé soit en saturant les espaces interfoliaires par des cations inhibiteurs de corrosion tels que Ca2+ ou Ce3+, soit en modifiant les charges des feuillets argileux par intercalation
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9

Tankpinou, Kiki Yvette sedjro. "Caractérisation minéralogique, thermique et microscopique des sols fins en technique routière." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0227/document.

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En vue de la réduction des problèmes engendrés par les phénomènes de retrait-gonflement des sols dans la dépression de la Lama au Sud du Bénin, nous avons entrepris des recherches dans le but de maîtriser le comportement de ces sols. Six échantillons de sols fins dont quatre argileux de cette région ont été prélevés. Différents essais ont été réalisés : une caractérisation macroscopique concernant les propriétés mécaniques et géotechniques et les essais microscopiques prenant en compte les analyses chimiques, thermiques, minéralogiques et microstructurales. Les sols étudiés sont constitués de
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10

Wambuguh, Dennis. "By-product synergy in the textile industry indigo waste recovery in the demin finishing process /." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2009. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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11

Berhane, Tedros Mesfin. "KINETIC AND EQUILIBRIUM SORPTION EXPERIMENTS INVESTIGATING PALYGORSKITE-MONTMORILLONITE AS A POTENTIAL FILTER MEDIUM FOR REMOVAL OF PHARMACEUTICALS AND ENDOCRINE-DISRUPTING COMPOUNDS." Miami University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=miami1429882830.

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12

Roul, Annick. "Exposition de la peau aux produits chimiques : méthodologie et évaluation de la décontamination par la terre de foulon." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1134/document.

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L’exposition cutanée aux produits chimiques par des rejets criminels ou accidentels impose une méthode de décontamination rapide et efficace pour sauver des vies et limiter le transfert de la contamination. L’exploration bibliographique recense des produits toxiques (armes chimiques, toxiques industriels) ainsi que les décontaminants naturels ou synthétiques et leurs méthodes d’application dans un contexte d’intervention sur le terrain. Le sujet vise à la qualification d’un outil de décontamination, la terre de foulon dans des formulations simples, faciles à mettre en œuvre en urgence par les
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13

Tetteh, Emmanuel. "Adsorption of Pharmaceuticals and Endocrine Disrupting Compounds using Unmodified and Surfactant Modified Palygorskite-Montmorillonite Clay Particles in Batch and Fixed Bed Column Modes." Miami University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=miami1543583842195458.

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14

Rêgo, Eric Siciliano. "Variation of minerals and clay minerals recorded in the Neo-Tethys (central Turkey): new evidence of climatic changes during the middle Eocene." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/21/21136/tde-23032018-152550/.

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Minerals and clay minerals in continental sedimentary successions are valuable tools for reconstructing past environmental conditions. Given the state of preservation of clays minerals, it is possible to identify how they were formed, providing clues about continental weathering conditions (inherited minerals) and geochemical conditions in the water column (neoformed or transformed). This study presents new mineralogical data from the Baskil section, a highly preserved middle Eocene succession in the Neo-Tethys (central Turkey). A gradual shift from a well-crystalline illite and chlorite inter
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15

Oliveira, Andréa Maria Brandão Mendes de. "Paligorsquita como adsorvente para íons de metais de transição: Estudos cinéticos e do equilíbrio." Universidade Federal da Paraí­ba, 2011. http://tede.biblioteca.ufpb.br:8080/handle/tede/7066.

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Made available in DSpace on 2015-05-14T13:21:14Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 1123508 bytes, checksum: 0fdb819130cbff24478ae9eb6273c48a (MD5) Previous issue date: 2011-12-21<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Clay minerals are silicates with importance of environmental, technological and academic view, existing in a large variety as synthetic or natural materials. In this group, the palygorskite is a clay mineral of fibrous habit with 2:1 structure and wide industrial application. This material shows a partial isomorphic substitut
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16

Ben, Ohoud Mohsine. "Etude comparative de l'organisation des materiaux argileux en termes de dimensions fractales." Orléans, 1988. http://www.theses.fr/1988ORLE2002.

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Caracterisation structurale et texturale des materiaux argileux selon une nouvelle approche reposant sur l'idee que l'organisation des elements de la texture a une echelle donnee se retrouve adaptes a chaque echelle. Formalisation de cette approche dans le cadre de la theorie des fractals. On montre aue kaolinite, argiles fibreuses et illite relevent d'une description triviale, basee sur un assemblage tridimensionnel desordonne, alors que les montmorillonites sont des materiaux a texture fractale. On analyse les correlations entre dimensions fractales de surface et de porosite des montmorillon
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17

Bouna, Lahcen. "Fonctionnalisation des minéraux argileux d'origine marocaine par TiO2 en vue de l'élimination par photocatalyse de micropolluants organiques des milieux aqueux." Thesis, Toulouse, INPT, 2012. http://www.theses.fr/2012INPT0143/document.

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Ce travail est consacré à l'élaboration par voie humide (pontage, solvothermale et colloïdale) de photocatalyseur TiO2 supporté sur trois types de minéraux argileux d'origine marocaine: la stévensite, la beidellite et la palygorskite, à leurs caractérisations et finalement à l'évaluation de leurs activités photocatalytiques vis-à-vis de l'élimination en milieu aqueux du colorant anionique l'Orange G (OG) très utilisé en industrie textile. La stévensite et la beidellite sont toutes les deux des smectites de types magnésien trioctaédrique et aluminifère dioctaédrique respectivement. En revanche,
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18

Santiago, J?nior Aristides Felipe. "Oxida??o ?mida de fen?is com catalisadores de ferro suportado em argilominerais em reator de leito de lama (slurry)." Universidade Federal do Rio Grande do Norte, 2010. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15904.

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Made available in DSpace on 2014-12-17T15:01:51Z (GMT). No. of bitstreams: 1 AristidesFSJ_TESE.pdf: 1616188 bytes, checksum: 162e291640cf71e1607267c17f431e17 (MD5) Previous issue date: 2010-10-15<br>Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico<br>The wet oxidation of organic compounds with CO2 and H2O has been demonstrated to be an efficient technique for effluent treatment. This work focuses on the synthesis, characterization and catalytic performance of Fe-MnO2/CeO2, K-MnO2/CeO2/ palygorskite and Fe/ palygorskite toward the wet oxidative degradation of phenol. The experime
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19

Silva, Jose Parra. "Incorporação de radionuclídeos em nanotubos naturais ativados." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-18072016-103729/.

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Os nanotubos naturais da paligorsquita, por apresentarem propriedades físicas e químicas específicas, têm potencial uso como nano sorventes e matrizes para imobilização, retenção, e solidificação de radionuclídeos presentes em efluentes nucleares. No processo de desenvolvimento de materiais com propriedades de sorção visando a incorporação e imobilização de radionuclídeos, as etapas mais importantes são a geração de sítios ativos simultaneamente com o aumento da área superficial específica e tratamento térmico adequado para conduzir ao colapso estrutural. Neste estudo foram avaliados parâmetro
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20

Bishop, Michael Edward. "MICROBIAL REDUCTION OF FE(III) IN MULTIPLE CLAY MINERALS BY SHEWANELLA PUTREFACIENS AND REACTIVITY OF BIOREDUCED CLAY MINERALS TOWARD TC(VII) IMMOBILIZATION." Miami University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=miami1291059786.

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21

Голець, Н. Ю. "Забезпечення екологічної безпеки від забруднення гідросфери амонійним азотом дренажних вод звалищ твердих побутових відходів". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2014. http://elar.nung.edu.ua/handle/123456789/4671.

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Дисертаційна робота присвячена розробленню та впровадженню ефективних методів уникнення (зменшення) екологічної небезпеки від полігонів ТПВ. Проведена оцінка ступеня екологічної небезпеки від забруднення навколишнього середовища фільтратами сміттєзвалищ. Це дало можливість розробити стратегію заходів для уникнення екологічної загрози від забруднення навколишнього середовища, а саме ґрунтових вод, амонійними сполуками. Проведені експериментальні дослідження мінеральних глин, за результатами яких обрано оптимальний тип глини та оптимальний склад суміші для протифільтраційного екрану. Експеримент
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Arzate, Rodríguez Josué. "Distribucion Atómica de la Arcilla Toximue." Tesis de Licenciatura, Universidad Autónoma del Estado de México, 2017. http://hdl.handle.net/20.500.11799/68403.

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Palygorskita proveniente de la Península de Yucatán se caracterizó por difracción de rayos X de polvos, identificando las fases cristalográficas presentes en la misma (monoclínica y ortorrómbica). Mediante el uso de la técnica de refinamiento de estructuras cristalinas por el método de Rietveld se determinó la distribución atómica de la arcilla a temperatura ambiente, a 100, 200, 300, 400, 500, 600 y 700°C, obteniendo valores para la concentración de los polimorfos, parámetros de la celda unitaria (a, b, c, α, β, γ), tamaño promedio del cristal, también, modelos de la cristalo
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Леськів, Г. З., та H. Z. Leskiv. "Очищення стічних вод від барвників шляхом адсорбції на природних дисперсних сорбентах: дисертація". Thesis, НУ ЛП, 2008. http://dspace.lvduvs.edu.ua/handle/1234567890/424.

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Леськів Г.З. Очищення стічних вод від барвників шляхом адсорбції на природних дисперсних сорбентах.: дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 21.06.01 – екологічна безпека / Леськів Галина Зіновіївна. - Львів: Національний університет “Львівська політехніка”, 2008. - 123 с.<br>Дисертацію присвячено розробленню технології очищення стічних вод від органічних барвників шляхом їхньої адсорбції на природних дисперсних сорбентах – глауконіті та палигорськіті. Здійснено моніторинг забруднень поверхневих вод України органічними барвниками зважаючи на локалізац
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Huang, Hong-Jie, and 黃泓潔. "The Study of Palygorskite on the Characteristic and Application." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/34627604658640736789.

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碩士<br>國立中興大學<br>土壤環境科學系所<br>102<br>Clay minerals were important mineral materials that widely used in medicine, geology, agriculture, construction, engineering and process industries, and montmorillonite and kaolinite were mostly used, and less used for palygorskite belonging to fibrous layer silicates. We investigated the layer crystal structure and functional groups of two commercial palygorskites, america palygorskite and spain sepiolite by XRD and FTIR. Furthermore, we produced biological fertilizer using the mixture of commercial palygorskite and actinomycetes to apply the pot culture of
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Chuang, Hsiang-Ling, and 莊湘聆. "Escherichia Coli detection based on disposable palygorskite modified electrode." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/xp8h73.

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碩士<br>國立中興大學<br>化學系所<br>106<br>We present here a simple method to prepare palygorskite (Si8O20(Mg,Al,Fe)5(OH)2(OH2)4·H2O) modified screen printed carbon electrode (designated as Paly-SPCE) for sensor application. The Palygorskite with tetrahedral sheets contains moderate surface charge and cation exchange capacity (CEC) and high specific surface area and adsorption capacity. The physical properties and electrochemical behaviors of the Paly-SPCE was studied by SEM and EDS as well as cyclic voltammetry with Fe(CN)63‒ and Ru(NH3)63+and methylene blue as probes. The proposed electrode shows specif
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Germiquet, Jean-Daniel. "A mineralogical investigation of some palygorskite deposits in South Africa with reference to benefication and industrial." Thesis, 2014. http://hdl.handle.net/10210/9647.

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M.Sc. (Geology)<br>The purpose of this investigation is to produce a' general survey of palygorskite deposits in South Africa with reference to their probable extent, mineralogical composition and the most important chemical and physical properties of the clay. Furthermore it is an attempt to provide a suitable beneficiation process so as to make beneficiated local palygorskite comparable with or superior to imported palygorskite. It is also an attempt to determine whether South African beneficiated palygorskite could replace imported material in e$tablished industrial applications. To these e
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Wu, Bi-Yu, and 吳璧羽. "Effects of Applying Palygorskite and Microbes on the Growth of Vegetables." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/42922448591393645345.

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碩士<br>國立中興大學<br>土壤環境科學系所<br>103<br>Cultivated soil of Taiwan have low organic matter, low soil fertility and weak preserving nutrients due to high temperature and rainfall.The application of organic matter can increase soil fertility and improve soil activity. Recently, biological fertilizer can be mixed into organic fertilizer and apply soils, and that can increase beneficial microbes and improve soil fertility. The application of biological fertilizer not only promote crop growth, reduce disease, and increase the income amount to achieve improving the quality of crops. Palygorskite have la
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Lei, Chi-yang, and 雷濟仰. "The study on the prepare and properties of Palygorskite/Polyactic Acid composite." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/35736113095574047439.

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碩士<br>桃園創新技術學院<br>應用科技研究所<br>103<br>Part 1 Palygorskite (AT) is natural and rigid reinforcing material as additive for biodegradable polylactic acid (PLA). To study the influences of different amount of AT on PLA material properties, the research has two parts: first, pure palygorskite (OAT) is obtained from purification of hexametaphosphate (SHMP); then, Brabender is used to blend palygorskite (AT) / polylactic acid (PLA) to prepare composite material (AT/PLA). Structural characterizations are conducted by Fourier transformation infrared spectroscopy (FT-IR), X-ray diffraction (XRD), energy d
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CHEN, RUI-GIONG, and 陳瑞瓊. "Mineralogical studies on the sepiolite and palygorskite from Tungho, Coastal range of Taiwan." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/31323989018204909203.

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Hu, Mai-Yun, and 胡邁云. "Palygorskite slurry modified screen – printed carbon electrode for use as heavy metal sensor." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/r8qv5q.

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碩士<br>國立中興大學<br>化學系所<br>106<br>In this study, palygorskite was modified on the screen printing carbon electrode by a simple ultrasonicating process. Palygorskite is one kind of porous natural clay mineral with low cost and high adsorption capacity. It is commonly used in waste incineration to removes heavy metals from waste liquid. Whereby its excellent adsorption ability and cation exchange capacity, the sensitivity for detecting heavy metals was improved by the anodic stripping analysis. This palygorskite modified electrode has the linear range of 5 – 500 ppb and sensitivity of 0.6047 μA/ppb
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Θεοφάνους, Ανδρέας. "Παρασκευή νανοσύνθετων αργιλικών ορυκτών-φωτοκαταλυτών για περιβαλλοντικές εφαρμογές". Thesis, 2012. http://hdl.handle.net/10889/6493.

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Στην παρούσα πτυχιακή εργασία παρασκευάστηκαν νανοσύνθετα υλικά διοξειδίου του τιτανίου (TiO2)/παλυγορσκίτη (60:40, 70:30, 80:20) για την περιγραφή και μελέτη των χαρακτηριστικών τους ώστε να την εφαρμοστούν σε επόμενο στάδιο στη φωτοκαταλυτική αποδόμηση αέριοων ρύπων (των οξειδίων του αζώτου - NOx) και οι οργανικών πτητικών ενώσεων (VOC’s). Ο παλυγορσκίτης που χρησιμοποιήθηκε για την διεξαγωγή των πειραμάτων συλλέχτηκε από την λεκάνη του Βεντζίου στα Γρεβενά. Τα νανοσύνθετα παρασκευάστηκαν με τη μέθοδο διασποράς-επικάθησης του TiO2 και στις μικροΐνες του Παλυγορσκίτη. Η κρυσταλλική μορφή
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Lin, Yu-Chiao, and 林毓喬. "Effects of Palygorskite on the Growth of Vegetable in Different Soil Great Groups and Insect Prevention." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/49318066047091919530.

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碩士<br>國立中興大學<br>土壤環境科學系所<br>103<br>In agricultural production, insect pest causes serious problem of reducing the yields is always a primary concern in farming. Especially, it required alternative material which could last longer and harmless while preventing plants from insect pest in organic farming which is forbidden to use pesticide. Minerals are natural material and harmless to human in most of the time. It can be modified to make better profit and efficiency for organic agriculture purpose. The objective of our studies was to explore the effect of pest control and increase the crop growt
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Yu, Chia-Lin, and 尤佳琳. "Development of disposable Bi2O3–dispersed palygorskite slurry modified screen–printed carbon electrode for use as heavy metal sensor." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/75614095613546318195.

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碩士<br>國立中興大學<br>化學系所<br>104<br>We report here the application of a Bi2O3-palygorskite mixed slurry to prepare an easy for mass-production heavy metal sensor based on disposable screen printed electrode by ultrasonicating process. This Bi2O3–palygorskite modified electrode enables sensitive and simultaneous determination of Cd(II), Pb(II), and Zn(II) by anodic stripping analysis. Bismuth oxide is an environmentally friendly element with low toxicity. Moreover, bismuth can easily form alloy with heavy metals to improve detection performance. By modifying bismuth oxide onto the electrode, these e
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34

Huang, Yu-Kai, and 黃郁凱. "A Study on the Heavy Metals Adsorption by Palygorskite to Enhance the Stabilization of MSWI Fly Ash on the ball milling process." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/81634289102202475403.

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碩士<br>淡江大學<br>水資源及環境工程學系碩士班<br>103<br>Municipal solid waste incinerator (MSWI) fly ash contains a large amount of solubility of salts (ex: chloride, sodium …), and easily dissolved heavy metals that can affect its recycling. Therefore, the water extraction was usually used to remove the salts as the pretreatment process for fly ash recycling. Pb and other heavy metals would be removed into the water extraction solution at the same time. The waste water from water extraction could contain a large number of the heavy metals. Many studies indicate that palygorskite is porous natural clay minerals
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Huang, Chi-Bin, and 黃啟賓. "A Study on the Sintering of High Performance Humidity Control Ceramic of Green Building Material by MSWI Boiler Ash, Palygorskite and Waste Glass." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/70076661910234247234.

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碩士<br>淡江大學<br>水資源及環境工程學系碩士班<br>103<br>Municipal solid waste incinerator (MSWI) will produce fly ash which contains a large amount of heavy metals and the leaching concentration usually doesn’t meet the regulatory limits of EPA. Therefore, the fly ash is considered to be hazardous waste. Fly ash divided into reaction ash and boiler ash. Many studies have found that the reaction ash always contains large amount of alkalinity and heavy metals. However, sintering process will decompose the components and it will also generate lots of gas that like the foaming characteristics. Leaching concentratio
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36

Cheng, Fu-Yu, and 鄭富瑜. "A study on the Life Cycle Assessment of the Comiling Stabilization of MSWI Fly Ash and Palygorskite after Adsorption of the Wastewater of Ash-washing." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/64640895956594985835.

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碩士<br>淡江大學<br>水資源及環境工程學系碩士班<br>104<br>MSWI fly ash need to be processed so that its toxicity is below the toxicity characteristic leaching procedure (TCLP) standard before being accepted into a landfill or reused. Currently there are no appropriate ways of reusing the tons of fly ash stabilized by cement solidification and landfill is its final disposal. However, there will not be adequate room for landfill, since New Taipei City is densely populated. The stabilization process discussed in the research can use the resultant as raw materials for potential products, but its effects on the Ecosys
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Figueiredo, António Manuel Aragão Aresta Valinho de. "Preparation of NFC-based films with incorporated minerals for packaging and printed electronics uses." Master's thesis, 2020. http://hdl.handle.net/10316/94058.

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Dissertação de Mestrado Integrado em Engenharia Química apresentada à Faculdade de Ciências e Tecnologia<br>Ao longo dos anos, alternativas mais ecológicas e sustentáveis têm vindo a ser procuradas com o objetivo de substituir plásticos e outros materiais que poderão ser fonte de poluição. Sendo a celulose um recurso renovável, esta apresenta-se como uma boa opção, especialmente quando exploradas as nanoceluloses, dadas as suas excelentes propriedades. O objetivo da presente dissertação é a identificação de alternativas adequadas ao uso dos plásticos, recorrendo a celuloses nanofibriladas (NFC
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Coelho, Marisa Vieira. "Filmes compósitos de celulose nanofibrilada e minerais argilosos." Master's thesis, 2016. http://hdl.handle.net/10316/81484.

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Dissertação de Mestrado Integrado em Engenharia Química apresentada à Faculdade de Ciências e Tecnologia<br>The present dissertation aims at using the potential of the nanofibrillated cellulose (CNF) paired with mineral fibers, namely palygorskite and sepiolite, to produce films whose mechanical properties allow the application in several areas, from the technological area to the use in packaging.The method to prepare the nanocellulose - chemical oxidation mediated by N-oxil-2,2,6,6-tetramethilpiperidine (radical TEMPO) allows to achieve a smaller size of nanocelluloses (from 3 to 15 nm diame
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