Academic literature on the topic 'Brunauer-Emmett-Teller analysis'

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Journal articles on the topic "Brunauer-Emmett-Teller analysis"

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Hobson, J. P. "Analysis of ultrahigh vacuum isotherm data with the Brunauer–Emmett–Teller equation." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 14, no. 3 (1996): 1277–80. http://dx.doi.org/10.1116/1.579941.

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Bin Mohd Khairulzaim, Ahmad Adzhar, Md Rezaur Rahman, Lidyana Roslan, Muhammad Khusairy Bin Bakri, Afrasyab Khan, and Mohammed Mahbubul Matin. "Analysis of char prepared by pyrolysis of dabai (Canarium odontophyllum) nutshells as a potential precursor of biocarbon used for wastewater treatment." BioResources 16, no. 3 (2021): 5036–46. http://dx.doi.org/10.15376/biores.16.3.5036-5046.

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Dabai (Canarium odontophyllum) nutshells have considerable potential to be used as a viable precursor for biomass-based activated carbon. The material was carbonized at a temperature of 700 °C for 2 h, at a heating rate of 10 °C/min under nitrogen gas flow. The char was analyzed the following ways: percentage of yield, percentage of ash content, Fourier transform infrared spectroscopy, scanning electron microscopy with energy dispersive x-ray analysis, and Brunauer, Emmett, and Teller surface area. The char had a maximum Brunauer, Emmett, and Teller surface area of 428 m2/g and the nitrogen ad
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Bao, Yan, Chunhua Shi, Yongqiang Yang, Jianzhong Ma, and Risong Sha. "Effect of hollow silica spheres on water vapor permeability of polyacrylate film." RSC Advances 5, no. 15 (2015): 11485–93. http://dx.doi.org/10.1039/c4ra14649b.

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Hollow silica spheres with different hollow size and shell thickness were synthesized via a template method using PS spheres as templates and characterized by transmission electron microscopy, scanning electron microscopy, X-ray diffraction and Brunauer–Emmett–Teller analysis.
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Andrew Swamidoss, Caroline, Mahshab Sheraz, Ali Anus, et al. "Effect of Mg/Al2O3 and Calcination Temperature on the Catalytic Decomposition of HFC-134a." Catalysts 9, no. 3 (2019): 270. http://dx.doi.org/10.3390/catal9030270.

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This paper evaluated the effect of calcination temperature and the use of Mg/Al2O3 on the decomposition of HFC-134a. Two commercialized catalysts, Al2O3 and Mg/Al2O3, were calcined at two different temperatures (500 and 650 °C) and their physicochemical characteristics were examined by X-ray diffraction, Brunauer–Emmett–Teller analysis, and the temperature-programed desorption of ammonia and carbon dioxide analysis. The results show that, in comparison to Al2O3, 5% Mg/Al2O3 exhibited a larger Brunauer–Emmett–Teller surface area and higher acidity. The relative amount of strong acid sites of th
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Omidi, Mohammad Hassan, Mohammad Hossein Ahmadi Azqhandi, and Bahram Ghalami-Choobar. "Sonochemistry: a good, fast and clean method to promote the removal of Cu(ii) and Cr(vi) by MWCNT/CoFe2O4@PEI nanocomposites: optimization study." New Journal of Chemistry 42, no. 19 (2018): 16307–28. http://dx.doi.org/10.1039/c8nj03277g.

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In this study, branched polyethylenimine (PEI) loaded on magnetic multiwalled carbon nanotubes (MWCNT/CoFe<sub>2</sub>O<sub>4</sub>) was synthesized and characterized by transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), Brunauer–Emmett–Teller (BET) analysis and Fourier transform infrared spectroscopy (FTIR).
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Kononova, Irina, Vyacheslav Moshnikov, and Pavel Kononov. "SnO2-Based Porous Nanomaterials: Sol-Gel Formation and Gas-Sensing Application." Gels 9, no. 4 (2023): 283. http://dx.doi.org/10.3390/gels9040283.

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Porous nanocomposites using two (tin dioxide–silica dioxide) and three (tin dioxide–indium oxide-silica dioxide)-component systems for gas sensors were created with the sol–gel method. To understand some of the physical–chemical processes that occurred during the adsorption of gas molecules on the surface of the produced nanostructures, two models—the Langmuir model and the Brunauer–Emmett–Teller theory—were used to carry out calculations. The results of the phase analysis concerning the interaction between the components during the formation of the nanostructures were obtained through the use
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Menshova, Irina I., Yulia M. Averina, and Elena Zabolotnaya. "CARBON FIBERS IN THE ADSORPTION PROCESSES." ChemChemTech 66, no. 3 (2023): 52–58. http://dx.doi.org/10.6060/ivkkt.20236603.6715.

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The parameters of the porous structure of carbon fiber sorbents based on polyacrylonitrile fiber of different activation have been studied. Fibrous carbon sorbents for the adsorption of water-soluble organic compounds have been analyzed. Sorption isotherms were constructed in the coordinates of the Langmuir equation of the studied substances on non-activated and activated carbon fibers, as well as Brunauer-Emmett- Teller isotherms, which allow one to reliably calculate the specific surface area of a carbon fiber sorbent. The sorption isotherms are satisfactorily described by the Freundlich equ
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Zou, Jie, Chunyan Fan, Yun Jiang, et al. "A preliminary study on assessing the Brunauer-Emmett-Teller analysis for disordered carbonaceous materials." Microporous and Mesoporous Materials 327 (November 2021): 111411. http://dx.doi.org/10.1016/j.micromeso.2021.111411.

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Kim, Jincheol, Yeongmin Jo, Jonggi Jeon, and Taegyu Kim. "Study on the State Change of Ir/Al2O3 Catalyst by Decomposition of Ammonium Dinitramide (ADN) Based Low-Toxicity Monopropellant." Journal of Nanoscience and Nanotechnology 20, no. 9 (2020): 5780–82. http://dx.doi.org/10.1166/jnn.2020.17642.

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The change of the Ir/Al2O3 catalyst before and after the reaction with ADN based low-toxicity monopropellant was confirmed. The catalyst were recovered after decomposition reaction with propellant in a monopropellant thruster at 350 °C preheating condition. Catalyst analysis was performed using a scanning electron microscope (SEM) and Brunauer-Emmett-Teller (BET) analyzer. The change of the catalyst specific devices.
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Khudair, Douha S., and Yasser I. Abdul-Aziz. "Preparation and Characterization of Biochar from New Precursor." Al-Nahrain Journal for Engineering Sciences 27, no. 4 (2024): 441–49. https://doi.org/10.29194/njes.27040441.

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The purpose of this study is to investigate the potential of biochar derived from Peganum harmala (Pgh) seeds as an adsorbent material for wastewater treatment. Biochar is a cost-efficient, ecologically friendly, and effective bio-sorbent for a wide range of pollutants in wastewater. Researchers are investigating the production of biochar from novel biomass sources. Phosphoric acid (H3PO4) was utilized in a chemical activation technique to produce biochar at various concentrations (20%, 30%, and 40%). The pyrolysis process lasted three hours at 600°C in a tube furnace with an inert nitrogen ga
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Dissertations / Theses on the topic "Brunauer-Emmett-Teller analysis"

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Prathimala, Venu Gopal. "Parameter extraction in lithium ion batteries using optimal experiments." Thesis, KTH, Fordonsdesign, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-302768.

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Lithium-ion (Li-Ion) batteries are widely used in various applications and are viable for automotive applications. The effective management of Li-Ion batteries in battery electric vehicles (BEV) plays a crucial role in performance and range. One can achieve good performance and range by using efficient battery models in battery management systems (BMS). Hence, these battery models play an essential part in the development process of battery electric vehicles. Physics-based battery models are used for design purposes, control, or to predict battery behaviour, and these require much information
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Book chapters on the topic "Brunauer-Emmett-Teller analysis"

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S, Amit, Mr Dharnaik, and Ammarah Ahmed. "BIOCHAR PRODUCTION OF KITCHEN WASTE AND WATER HYACINTH BY LOW TEMPERATURE STEAM TORREFACTION." In Futuristic Trends in Construction Materials & Civil Engineering Volume 3 Book 4. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bice4p4ch3.

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The rapid industrialization, urbanization, and population growth in India have resulted in a drastic increase in waste generation, particularly food waste, leading to widespread pollution and environmental degradation. This pollution affects all water bodies, including groundwater, soil, air, and even crops such as vegetables and fruits. As a consequence, certain regions of the country are facing a severe proliferation of water hyacinth in their water bodies causing eutrophication. This study proposes the adoption of a new waste management method: biochar production with water hyacinth and foo
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Akindeji Jerome, Sabejeje, Adebare Nurudeen Adewumi, Yi Cheng Yi, Huaneng Su, and Lindiwe Khotseng. "Preparation and Characterization of Pd Nanoparticles Supported on Graphene-Based Anode Catalysts for Direct Methanol Fuel Cells." In Methanol Fuel in Transportation Sector and Fuel Cells [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1005441.

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Palladium (Pd) nanoparticles supported by graphene nanomaterials were prepared and tested in this work using methanol as the fuel. The synthesized nanoparticles were used as electrocatalysts for direct methanol fuel cell. The support materials were synthesized by modified Hummer’s method and subsequently doped with nitrogen using melamine. The electrocatalysts were synthesized using modified polyol method. The synthesis method of the electrocatalyst was further modified by adjusting the pH of the electrocatalyst from 12 to 13. The structural characterization of the support materials was carrie
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Kumar, Ashok, Kaman Singh, and Rayees Ahamad Bhat. "Application of Titanium Dioxide in the Synthesis of Mesoporous Activated Carbon Derived from Agricultural Waste." In Titanium Dioxide [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98395.

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Adsorption is an important technique that significances the characteristics of porous solid materials and fine powders. The importance of porous solid materials and fine powders has been recognized when porous coal used for various applications such as catalysis, separation, isolation, sensors, chromatography, etc. Herein, the synthesis of mesoporous activated carbon derived from agricultural waste using TiO2. The TiO2-modified carbon was characterized employing scanning electron microscope (SEM), attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectroscopy, powder X-ray diff
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"Novel composite/sorbents containing carbonaceous nanomaterials carbon nanotubes and magnetic oxide for the purification of aquatic environment from toxic metal and radionuclide ions." In Book of Abstracts - RAD 2025 Conference. RAD Centre, Niš, Serbia, 2025. https://doi.org/10.21175/rad.abstr.book.2025.11.6.

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Human activity, such as metal mining or nuclear power generation, contributes to environmental pollution with Cs137, Co-60, Sr-90 and other radionuclides. A certain amount of caesium, cobalt and strontium enters the waters because of geological processes. The water in the surrounding environment remains polluted, and entire ecosystems are irreversibly disrupted. Radioactive pollution of environment has received considerable attention due to the accelerated growth of nuclear power stations, nuclear accidents. The radioactive elements in environment are often considered indicators of anthropogen
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Conference papers on the topic "Brunauer-Emmett-Teller analysis"

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Gue Heo, Sung, and Seok-Jun Seo. "Effect Of Heat-Treatment Temperature On Mesoporous Copper Cobalt Oxide(Cuco2o4) For Supercapacitors." In Euro Powder Metallurgy 2023 Congress & Exhibition. EPMA, 2023. http://dx.doi.org/10.59499/ep235764617.

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Mesoporous CuCo2O4 is interesting material for electrodes of high-performance supercapacitors because of their high surface area, controlled porosity and excellent electrochemical properties. In this work, mesoporous CuCo2O4 powders were synthesized using inverse micelle method and analyzed by X-ray diffraction (XRD) and Brunauer-Emmett-Teller analysis (BET). After heat-treatment at 250˚C in oxygen atmosphere, the mesoporous CuCo2O4 powders exhibited high specific surface area of 104 m2/g with pore size of 9 nm. The mesoporous CuCo2O4 electrodes achieved maximum specific capacitance of 132 Fg-
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Sipkens, T. A., N. Petermann, K. J. Daun, et al. "In Situ Particle Size Measurements of Gas-Borne Silicon Nanoparticles by Time-Resolved Laser-Induced Incandescence." In ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ht2013-17246.

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The functionality of silicon nanoparticles is strongly size-dependent, so there is a pressing need for laser diagnostics that can characterize aerosolized silicon nanoparticles. The present work is the first attempt to extend time-resolved laser-induced incandescence (TiRe-LII), a combustion diagnostic used for sizing soot, to size silicon nanoparticles. TiRe-LII measurements are made on silicon nanoparticles synthesized in a low-pressure plasma reactor containing argon. Molecular dynamics (MD) is used to predict the accommodation coefficient between silicon nanoparticles and argon and helium,
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Allen, Kyle M., James F. Klausner, Eric N. Coker, Nick AuYeung, and Rishi Mishra. "Synthesis and Analysis of Cobalt Ferrite in YSZ for Use as Reactive Material in Solar Thermochemical Water and Carbon Dioxide Splitting." In ASME 2013 7th International Conference on Energy Sustainability collocated with the ASME 2013 Heat Transfer Summer Conference and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/es2013-18254.

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This paper reports the synthesis, characterization and evaluation of different weight loadings of cobalt ferrite (CoFe2O4) in 8 mol% yttria-stabilized zirconia (8YSZ) via the co-precipitation method. Prepared powders were calcined at 1350 °C for 36 hours and 1450 °C for 4 hours in air. These powders were then formed into a porous structure using sacrificial pore formation via oxidation of co-mixed graphite powder. These formed structures obtained were then characterized using thermogravimetric analysis (TGA), X-ray diffraction (XRD), high temperature X-ray diffraction (HT-XRD), scanning electr
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Matras-Postolek, Katarzyna, A. Zaba, S. Sovinska, and D. Bogdal. "Microwave-assisted preparation of ZnS and ZnSe nanocrystals with different morphologies for photodegradation process of organic dyes." In Ampere 2019. Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/ampere2019.2019.9998.

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Zinc sulphide (ZnS) and zinc selenide (ZnSe) and manganese-doped and un-doped with different morphologies from 1D do 3D microflowers were successfully fabricated in only a few minutes by solvothermal reactions under microwave irradiation. In order to compare the effect of microwave heating on the properties of obtained nanocrystals, additionally the synthesis under conventional heating was conducted additionally in similar conditions. The obtained nanocrystals were systematically characterized in terms of structural and optical properties using X-ray diffraction (XRD), scanning electron micros
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Habib, Sehrish, Eman Fayyed, Muddasir Nawaz, et al. "Self-healing performance of smart coatings modified with different corrosion inhibitors." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0002.

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Corrosion results in considerable materials and equipment failure. According to one survey, about 1/4 to 1/3 of the total interruption in industries is due to detrimental effects of corrosion. It is, therefore, important to prevent corrosion to guarantee the reliability of the assets. The present work is aimed to explore the purpose of CeO2 as a carrier for corrosion inhibitors and its capability to release inhibitors, to achieve decent corrosion protection efficiency in epoxy-based polymeric nanocomposite coatings. Amine-based corrosion inhibitors (N-methylthiourea NMTU and Dodecylamine DDA)
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HO, Tze Jing. "Rubber waste tyre: Effect of temperature on pyrolysis char yield and properties." In Decarbonization Technology: ICDT2024. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903575-15.

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Abstract. Waste tyre pyrolysis is a viable technology to convert tyres into useful products such as pyrolysis oil, fuel and gas. Most of the research focus on investigating the effect of pyrolysis operating parameters on the oil product. With the increasing applications of the solid char produced, it is found that no detailed investigation on the effect of pyrolysis temperature on the char yield and properties. Thus, this project is aimed to determine the effect of pyrolysis temperature on tyre- derived char yield and properties. A total of three char samples were produced from rubber crumb, n
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Reports on the topic "Brunauer-Emmett-Teller analysis"

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ตระการพฤกษ์, วิมลรัตน์. ไอโซเมอไรเซชันของเฮกเซนเร่งปฏิกิริยาด้วยโลหะบนตัวรองรับมอร์ดิไนต์ : รายงานวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 2008. https://doi.org/10.58837/chula.res.2008.58.

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ในงานวิจัยนี้ ได้สังเคราะห์ตัวเร่งปฏิกิริยาโลหะแทรนซิชัน Pt หรือ Pd ร่วมกับ Ga หรือ Zn บนตัวรองรับมอร์ดิไนต์ ที่ได้ทำการปรับสภาพความเป็นกรดให้ลดลง ด้วยการใส่ K วิธีการใส่โลหะชนิดต่างๆ ใช้วิธีที่ต่างกัน 2 วิธี ทำการตรวจพิสูจน์เอกลักษณ์ของตัวเร่งปฏิกิริยาที่สังเคราะห์ได้ด้วยเทคนิค XRD (X-ray diffraction), IR (infrared spectroscopy), ICP-AES (Inductively coupled plasma atomic emission spectrometry), BET (Brunauer –Emmett-Teller method) และ Temperature programmed desorption (TPD) ทดสอบประสิทธิภาพในการเร่งปฏิกิริยาการเปลี่ยนรูปของนอร์มัลเฮกเซน โดยศึกษาปัจจัยที่มีผลต่อปฏิกิริยา ได้แก่ อุณหภูมิ เวลา
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