Academic literature on the topic 'High-silica zeolite'

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Journal articles on the topic "High-silica zeolite"

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Kurniawan, Teguh, Dhimas Satria, Juniafit Bima Saputra, Muhammad Roil Bilad, Nik Abdul Hadi Md Nordin, and Hairus Abdullah. "Conversion of Green Silica from Corn Leaf into Zeolites Na A-X." Indonesian Journal of Science and Technology 7, no. 2 (2022): 171–86. http://dx.doi.org/10.17509/ijost.v7i2.45831.

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Combustion of corn leaf as a model of biomass from agricultural waste is a simple way to obtain the energy. It produces a low-value by-product of ash and is rich in silica that can become a precursor for zeolite production. In this study, acid-treated corn leaves combustion was performed to produce high purity silica (SiO2). The diffraction pattern suggested that the extracted silica was amorphous without the impurities phase. Additionally, the nitrogen isotherm indicated that the material was highly mesoporous silica with a total surface area of 200 m2/g. The hydrothermal method was then appl
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Ravshanov, Bobomurat, Hudoyor Rakhmatov, Normurot Fayzullaev, et al. "Application of energy-saving technologies in drying natural gas from water vapour." E3S Web of Conferences 623 (2025): 02007. https://doi.org/10.1051/e3sconf/202562302007.

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In this research the energy saving technology of drying natural gas from water vapour is presented. The experimental device was tested at the station of gas processing plants in Mubarak gas processing plant in Uzbekistan. The adsorption capacity of mesoporous high-silica zeolite with high sorption properties lubricated under static conditions was studied. In addition to that the depth of drying of natural gas from water vapour was studied under dynamic conditions based on oiled high sorption mesoporous high silica zeolite. Also, the dynamic capacity of high sorption properties was studied, whi
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Trivana, Linda, Sri Sugiarti, and Eti Rohaeti. "SYNTHESIS OF ZEOLITE AND COMPOSITE OF ZEOLITE/TiO2 FROM KAOLIN AND ITS APLICATION TO ADSORPTION-PHOTODEGRADATION OF METHILEN BLUE." ALCHEMY Jurnal Penelitian Kimia 11, no. 2 (2016): 147. http://dx.doi.org/10.20961/alchemy.11.2.722.147-162.

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<p>In this study, zeolite was synthesized from kaolin which was founded from Bangka Belitung as the starting material. Meanwhile, sodium silicate was used as silica source. Zeolite is material with many benefits, such as become an adsorbent. Kaolin has been used as starting material due to high content of silica and alumina, i.e 35 - 50 %. Zeolite was prepared by hydrothermal synthesis process, by mixing the metakaolin which was produced by calcination of kaolin at 700 °C for 6 hours, with sodium silicate and NaOH. The NaOH was used to activate the major components of Si and Al in the ka
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Trivana, Linda, Sri Sugiarti, and Eti Rohaeti. "SYNTHESIS OF ZEOLITE AND COMPOSITE OF ZEOLITE/TiO2 FROM KAOLIN AND ITS APLICATION TO ADSORPTION-PHOTODEGRADATION OF METHILEN BLUE." ALCHEMY Jurnal Penelitian Kimia 11, no. 2 (2016): 147. http://dx.doi.org/10.20961/alchemy.v11i2.722.

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<p>In this study, zeolite was synthesized from kaolin which was founded from Bangka Belitung as the starting material. Meanwhile, sodium silicate was used as silica source. Zeolite is material with many benefits, such as become an adsorbent. Kaolin has been used as starting material due to high content of silica and alumina, i.e 35 - 50 %. Zeolite was prepared by hydrothermal synthesis process, by mixing the metakaolin which was produced by calcination of kaolin at 700 °C for 6 hours, with sodium silicate and NaOH. The NaOH was used to activate the major components of Si and Al in the ka
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Erofeev, Vladimir I., Sofiya N. Dzhalilova, Mikhail V. Erofeev, Vasilii S. Ripenko, and Vladimir P. Reschetilowski. "Conversion of the Propane–Butane Fraction into Arenes on MFI Zeolites Modified by Zinc Oxide and Activated by Low-Temperature Plasma." Molecules 25, no. 11 (2020): 2704. http://dx.doi.org/10.3390/molecules25112704.

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The effect of modification of MFI zeolite 1–5 wt.% ZnO activated by plasma on acid and catalytic properties in the conversion of the propane–butane fraction into arenes was investigated. The high-silica zeolites with silicate module 45 were synthesized from alkaline alumina–silica gels in the presence of an ‘X-oil’ organic structure-forming additive. The modification of the zeolite with zinc was carried out by impregnating the zeolite granules in the H-form with an aqueous solution of Zn(NO3)2. The obtained zeolites were characterized by X-ray phase analysis and IR spectroscopy. It is shown th
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Rahayu, Endang Sri, Desi Bentang, and Ghina Fauziyyah. "Penggunaan Kembali Limbah Cair dari Sintesis Zeolit Y sebagai Sumber Silika untuk Sintesis Zeolit Y secara Hidrotermal." Jurnal Teknik Kimia Indonesia 18, no. 2 (2020): 53. http://dx.doi.org/10.5614/jtki.2019.18.2.4.

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Abstrak. Penelitian ini dilakukan untuk mempelajari kemungkinan limbah cair atau mother liquor dari sintesis zeolit Y yang masih mengandung silika dapat digunakan kembali sebagai sumber silika untuk sintesis zeolit Y, dengan menambahkan bibit kristal dan alumina ke dalam limbah cair. Sintesis zeolite Y dilakukan secara hidrotermal pada temperatur 93oC dan pH sekitar 13. Rasio molar silika /alumina sekitar 10 mol/mol di dalam starting material diperlukan untuk mendukung terbentuknya zeolit Y. Seberapa banyak turunan atau penggunaan kembali limbah cair sintesis zeolit Y untuk sintesis zeolit Y,
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Rаhmatov, Khudoyor, Normurot Fayzullaev, Firdavsiy Buronov, et al. "Aromatization patterns of hexane in high silicon zeolite." E3S Web of Conferences 524 (2024): 03018. http://dx.doi.org/10.1051/e3sconf/202452403018.

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In this article, methods of preparation of catalysts in analogues of in high-silica zeolite, conversion of n-hexane in the catalysts keeping in high-silica zeolite, of n-hexane to aromatic hydrocarbons, n-hexane to aromatic hydrocarbons in catalysts with high catalytic activity and selectivity modified with copper, 2%Cu*8%Zn/Н-High silica zeolite-40 conversion of n-hexane to aromatic hydrocarbons in the composition catalyst, activity in chain branching and aromatization processes to obtain high-octane components of fuels 2%Cu*8%Zn/Н-High silica zeolite-40 high silicon, A mesoporous aluminosili
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Li, Jian, Zihao Rei Gao, Qing-Fang Lin, et al. "A 3D extra-large-pore zeolite enabled by 1D-to-3D topotactic condensation of a chain silicate." Science 379, no. 6629 (2023): 283–87. http://dx.doi.org/10.1126/science.ade1771.

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Zeolites are microporous silicates with a large variety of applications as catalysts, adsorbents, and cation exchangers. Stable silica-based zeolites with increased porosity are in demand to allow adsorption and processing of large molecules but challenge our synthetic ability. We report a new, highly stable pure silica zeolite called ZEO-3, which has a multidimensional, interconnected system of extra-large pores open through windows made by 16 and 14 silicate tetrahedra, the least dense polymorph of silica known so far. This zeolite was formed by an unprecedented one-dimensional to three-dime
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Tsujiguchi, Masato, Tadashi Kobashi, Junji Kanbara, Yasuhiko Utsumi, Nobuaki Kakimori, and Atsushi Nakahira. "Synthesis and Characterization of Zeolite from Glass by Hydrothermal Processing." Materials Science Forum 761 (July 2013): 91–94. http://dx.doi.org/10.4028/www.scientific.net/msf.761.91.

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Zeolite is a microporous aluminosilicate material with uniform pore size of less than 2 nm and chemical, mechanical, and thermal stability. In general zeolite is synthesized from silica, alumina, mineralizer (alkali metal hydroxide and fluoride) and water. Recently it has been reported that various zeolites is synthesized from soda-lime glass, slag and coal fly ash as silica and alumina source. On the other hand, the production volume of various kinds of high-quality glass which are utilized for high-tech products such as liquid crystal displays and plasma displays is rapidly increasing. The p
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Sriatun, Sriatun, Heru Susanto, Widayat Widayat, and Adi Darmawan. "Hydrocracking of Coconut Oil on the NiO/Silica-Rich Zeolite Synthesized Using a Quaternary Ammonium Surfactant." Indonesian Journal of Chemistry 21, no. 2 (2020): 361. http://dx.doi.org/10.22146/ijc.55522.

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NiO/silica-rich zeolite catalysts were used for coconut oil hydrocracking. The catalyst was prepared with a mixture of Na2SiO3, Al(OH)3, NaOH, and quaternary ammonium surfactants. The surfactant was varied of types like as tetrapropylammonium bromide (TPAB) and cetyltrimethylammonium bromide (CTAB). The acidity of the silica-rich sodalite zeolites enhances with the increase in nickel oxide added through a wet impregnation. The hydrocracking process was carried out by a semi-batch method. Liquid products were analyzed using GC-MS. The results showed that the addition of surfactants increased th
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Dissertations / Theses on the topic "High-silica zeolite"

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Cheng, Chil-Hung. "High-silica zeolite nucleation from clear solutions." Texas A&M University, 2005. http://hdl.handle.net/1969.1/3273.

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Understanding the mechanism of zeolite nucleation and crystallization will enable the zeolite science community to tune zeolite properties during synthesis in order to accommodate the purposes of various applications. Thus there has been considerable research effort in "deciphering" the mechanism by studying the growth course of tetrapropylammonium (TPA)-mediated silicalite-1 using several techniques, such as dynamic light scattering (DLS), small-angle X-ray/neutron scattering (SAXS/SANS), and nuclear magnetic resonance (NMR). While these studies have generated a more comprehensive picture on
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Gordon, James William. "Ester hydrolysis by high silica zeolites." Thesis, University of Edinburgh, 1985. http://hdl.handle.net/1842/13936.

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Sinclair, D. M. "Crystallization of high silica molecular sieves." Thesis, University of Edinburgh, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384262.

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Chihara, Kazuyuki, Kenta Saito, Hidenori Nakamura, and Yosuke Kaneko. "Diffusion measurement of chlorinated hydrocarbons into high-silica zeolite by chromatographic method: Diffusion measurement of chlorinated hydrocarbonsinto high-silica zeolite by chromatographic method." Diffusion fundamentals 6 (2007) 58, S. 1-2, 2007. https://ul.qucosa.de/id/qucosa%3A14237.

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Chihara, Kazuyuki, Kenta Saito, Hidenori Nakamura, and Yosuke Kaneko. "Diffusion measurement of chlorinated hydrocarbons into high-silica zeolite by chromatographic method." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-193946.

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Chihara, Kazuyuki, Takashi Matsumoto, and Kazunori Hijikata. "Azeotropic adsorption of organic solvent vapor mixture on high silica zeolite, mass transfer dynamics." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-194773.

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Boruntea, Cristian-Renato. "Design, synthesis and characterization of small-pore zeolites for industrial environmental applications." Doctoral thesis, Universitat Politècnica de València, 2020. http://hdl.handle.net/10251/141094.

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[ES] El Proyecto de investigación aquí descrito se estructura en dos partes. La primera parte se centra en la investigación fundamental con el objetivo de crear un protocolo para la síntesis de zeolitas. La segunda parte se refiere al diseño, síntesis y caracterización de nuevas zeolitas, particularmente utiles para aplicaciones DeNOx,, pero también podría ser útil para aplicaciones MTO. La investigación fundamental sugiere un Nuevo modelo de preparación de zeolitas utilizando otras zeolitas como simiente. Este proceso se llama transformación zeolita-zeolita o también conversión interzeolita.
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Chihara, Kazuyuki, Yuki Teramura, Shinji Tomita, and Kenta Saito. "Diffusion of chlorinated hydrocarbons in high silica zeolite - comparison between chromatographic data and molecular dynamic simulation." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-189478.

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Chihara, Kazuyuki, Yuki Teramura, Shinji Tomita, and Kenta Saito. "Diffusion of chlorinated hydrocarbons in high silica zeolite - comparison between chromatographic data and molecular dynamic simulation." Diffusion fundamentals 11 (2009) 24, S. 1-2, 2009. https://ul.qucosa.de/id/qucosa%3A13965.

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Sivadinarayana, C. "Characterization of high silica zsm-5, ga-modified zeolite (MFI) and deactivated catalysts in propane aromatization." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 1996. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2933.

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Books on the topic "High-silica zeolite"

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Knappe, Detlef R. U. Removal of MIB and geosmin by high-silica zeolites and zeolite-enhanced ozonation. Water Research Foundation, 2010.

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Jacobs, Peter A. Synthesis of high-silica aluminosilicate zeolites. Elsevier, 1987.

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Reitmaier, S. F. Isomorphous substitution in high-silica zeolites. UMIST, 1996.

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Durrani, Shahid Khan. Nuclear recoil and radiation damage phenomena in high silica zeolites and boron-zeotypes. University of Salford, 1991.

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Synthesis of High-Silica Aluminosilicate Zeolites. Elsevier, 1987. http://dx.doi.org/10.1016/s0167-2991(09)x6010-6.

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Jacobs, P. A., and J. A. Martens. Synthesis of High-Silica Aluminosilicate Zeolites. Elsevier Science & Technology Books, 1987.

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Book chapters on the topic "High-silica zeolite"

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Takeuchi, Yasushi, Norio Miyata, Hirokazu Isozaki, and Seiichi Asano. "Removal and Recovery of a Substitute for Chlorofluorocarbon by High Silica Zeolite." In The Kluwer International Series in Engineering and Computer Science. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1375-5_116.

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Ashton, A. G., S. A. I. Barri, S. Cartlidge, and J. Dwyer. "Shape Selective Alkylation Reactions Over Medium Pore High Silica Zeolites." In Chemical Reactions in Organic and Inorganic Constrained Systems. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4582-1_7.

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Miller, S. J., and C. R. Hsieh. "Octane Enhancement in Catalytic Cracking by Using High-Silica Zeolites." In ACS Symposium Series. American Chemical Society, 1991. http://dx.doi.org/10.1021/bk-1991-0452.ch007.

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Chen, Q., J. B. Nagy, J. Fraissard, et al. "A 13C - and 129Xe-NMR Study of the Role of Tetraalkylammonium Cations in the Synthesis of High-Silica Zeolites." In Guidelines for Mastering the Properties of Molecular Sieves. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5787-2_4.

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Juan, Liang. "High Silica Zeolite as Heterogeneous Catalyst." In Studies in Surface Science and Catalysis. Elsevier, 1985. http://dx.doi.org/10.1016/s0167-2991(08)65333-1.

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Beving, D., C. O'Neill, and Y. S. Yan. "Corrosion resistant high-silica-zeolite MFI coatings." In From Zeolites to Porous MOF Materials - The 40th Anniversary of International Zeolite Conference, Proceedings of the 15th International Zeolite Conference. Elsevier, 2007. http://dx.doi.org/10.1016/s0167-2991(07)81040-8.

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Furuya, Eiji, Noriyoshi Watanabe, Seiichi Asano, Masashi Harada, and Satoru Morishita. "Adsorption of Organics onto High Silica Zeolite." In Studies in Surface Science and Catalysis. Elsevier, 1993. http://dx.doi.org/10.1016/s0167-2991(08)63515-6.

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Takahashi, Takeshige, Mayumi Nakanishi, and Takami Kai. "Regeneration of high silica zeolite used for Beckmann rearrangement." In New Developments and Application in Chemical Reaction Engineering. Elsevier, 2006. http://dx.doi.org/10.1016/s0167-2991(06)81566-1.

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Vtjurina, L. M., S. S. Khvoshchev, and I. V. Karetina. "02-P-42 - Synthesis of high-silica MWW zeolite." In Studies in Surface Science and Catalysis. Elsevier, 2001. http://dx.doi.org/10.1016/s0167-2991(01)81381-1.

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Chihara, K., T. Terakado, T. Ninomiya, and H. Mizuochi. "Chromatographic adsorption measurement of chlorinated organics on high silica zeolite." In Recent Advances in the Science and Technology of Zeolites and Related Materials Part B, Proceedings of the 14th International Zeolite Conference. Elsevier, 2004. http://dx.doi.org/10.1016/s0167-2991(04)80738-9.

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Conference papers on the topic "High-silica zeolite"

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Watcharasing, Sunisa, Chularat Wattanakit, Saros Salakhum, Anittha Prasertsab, and Prapoj Kiattikomol. "Synthesis of Zeolites from Production Sand Waste: The Circular Model for Oil and Gas Exploration and Production." In Offshore Technology Conference Asia. OTC, 2022. http://dx.doi.org/10.4043/31420-ms.

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Abstract This project aims to convert production sand waste from oil & gas exploration & production process to be high value silica-based product, Zeolites, and explore opportunities to lower amount of sand waste disposal to landfill. This is one key item in Circular Model for Oil & Gas Exploration & Production. Zeolites is a microporous crystalline aluminosilicate material, which possess a superior characteristic in terms of high surface area. Therefore, it is widely utilized in many industries such as adsorbent, ion exchange, and catalysts in oil refining and petrochemical in
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Dvorkin, Leonid I., Vadim Zhitkovsky, Nataliya Lushnikova, and Mohammed Sonebi. "Comparative Study of Metakaolin and Zeolite Tuff Influence on Properties of High-Strength Concrete." In 4th International Conference on Bio-Based Building Materials. Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.179.

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Composite admixtures which include active pozzolanic components and high-range water reducers, allows to obtain high-strength, particularly dense and durable concrete to achieve a reduction in resources and energy consumption of manufacturing.Zeolite, containing a significant amount of active silica, can serve as one of the alternative substances to resources and energy consuming mineral admixtures like metakaolin and silica fume. The deposits of zeolites are developed in Transcarpathia (Ukraine), USA, Japan, New Zealand, Iceland and other countries. It is known that zeolite tuffs exhibit pozz
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""High-Performance Concrete Incorporating Zeolite, Fly Ash and Silica Fume"." In "SP-172: High-Performance Concrete - Proceedings: ACI International Conference, Malaysia 1997". American Concrete Institute, 1999. http://dx.doi.org/10.14359/6172.

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Ayad, Zahraa, Hussein Q. Hussein, and Ban A. Al-Tabbakh. "Synthesis and characterization of high silica HY zeolite by basicity reduction." In 2ND INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING & SCIENCE (IConMEAS 2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0000278.

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Suttipat, Duangkamon, Prasert Pavasant, Praewpakun Sintharm, Suratsawadee Sukeesan, Sunisa Watcharasing, and Prapoj Kiattikomol. "Sand Waste Utilization for Dehydration Application." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216066-ms.

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Abstract Natural gas operation & maintenance (O&M) at the Zawtika asset is facing challenges due to the increasing volume of production sand waste obtained from the separation between sand and natural gas using a desander unit. To align with PTTEP's Sustainable Development goals and Zero waste to landfills target, PTTEP is exploring the conversion of sand waste into high-value silica-based materials. Zeolite, a versatile material with exceptional adsorption and catalytic properties, is synthesized from the high-purity silica derived from the sand. The downstream pelletization is also c
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Watcharasing, Sunisa, Chularat Wattanakit, Anawat Thivasasith, and Prapoj Kiattikomol. "Circular Model for E&P: Production Sand Conversion to Nanosilica and Hierarchical Zeolites." In SPE Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210667-ms.

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Abstract As part of circular model for E&P, production sand waste from oil production process will be converted to new high value-added product, called "Nanosilica", and "Hierarchical Zeolites". This is beneficial in terms of lower amount of production sand waste disposal to landfill. There are three main steps for sand conversion to nanosilica and hierarchical zeolites which compose of1) Sand Pre-treatment, 2) Nanosilica Extraction, and 3) Hierarchical Zeolite Synthesis. In the first step of Sand Pre-treatment process, production sand was pretreated by using water and acid washing 3M HCl,
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CHIHARA, KAZUUKI, KAZUNORI HIJIKATA, HIDEAKI YAMAGUCHI, HIROYUKI SUZUKI, and YASUSHI TAKEUCHI. "AZEOTROPIC ADSORPTION OF ORGANIC SOLVENT VAPOR MIXTURE ON HIGH SILICA ZEOLITE, EXPERIMENTAL & SIMULATION." In Proceedings of the Third Pacific Basin Conference. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812704320_0093.

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Yamamoto, T., T. Sato, Y. Seino, K. Hattori, S. Kuroki, and T. Kikkawa. "Layered Low-k Porous Silica Zeolite Films for Inter-Metal Dielectric with High Elastic Modulus." In 2012 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2012. http://dx.doi.org/10.7567/ssdm.2012.ps-2-9.

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Watcharasing, Sunisa, Chularat Wattanakit, Anawat Thivasasith, and Prapoj Kiattikomol. "Hierarchical Zeolites from Production Sand Waste as Catalysts for CO2 to Carbon Nanotubes CNTs: Exploration and Production Sustainability." In IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/209923-ms.

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Abstract This project targets to convert sand waste from oil & gas production, which is typically disposed as landfill, to be the higher-value products, called "Hierarchical Zeolites". This project also explores opportunities to lower amount of sand waste to landfill and try to convert CO2 to CNTs, as part of Sustainable Development Goals. Hierarchical Zeolites is developed with nanosheets morphology to overcome limitation of conventional zeolites in terms of, 1) microporous structure improvement to enhance the mass transport through active sites, 2) longer catalyst lifetime, and 3) higher
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Armandi, Marco, Barbara Bonelli, and Edoardo Garrone. "Synthesis and Characterization of Mesoporous and Microporous Carbons With Potential Applications as Hydrogen Storage Media." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95740.

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The preparation and physico-chemical characterization of mesoporous and microporous carbons, obtained via a casting procedure, from a SBA-15 silica and a commercial Na-Y zeolite, is reported. XRD spectra showed that ordered carbon replicas occur in all cases. Micro-Raman spectra showed that rather homogeneous powders are obtained, exhibiting the presence of a graphitized carbon phase of small imperfect graphene sheets, typical of sp2 C, along with an amorphous one, notwithstanding the relatively low temperature adopted during the carbonization processes (1173 K). N2 adsorption isotherms at 77
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