Relevant bibliographies by topics / SO2 gas adsorption

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'SO2 gas adsorption'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "SO2 gas adsorption"

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Babu, Deepu J., Divya Puthusseri, Frank G. Kühl, et al. "SO2 gas adsorption on carbon nanomaterials: a comparative study." Beilstein Journal of Nanotechnology 9 (June 13, 2018): 1782–92. http://dx.doi.org/10.3762/bjnano.9.169.

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Owing to their high stability against corrosive gases, carbon-based adsorbents are preferentially used for the adsorptive removal of SO2. In the present study, SO2 adsorption on different carbon nanomaterials namely carbon nanohorns (CNHs), multiwalled carbon nanotubes (MWNTs), single-walled carbon nanotubes (SWNTs) and vertically aligned carbon nanotubes (VACNTs) are investigated and compared against the adsorption characteristics of activated carbon and graphene oxide (GO). A comprehensive overview of the adsorption behavior of this family of carbon adsorbents is given for the first time. Th
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Sun, Xiang, Yuzheng Guo, Yan Zhao, Sheng Liu, and Hui Li. "Gas Adsorption Investigation on SiGe Monolayer: A First-Principle Calculation." Sensors 20, no. 10 (2020): 2879. http://dx.doi.org/10.3390/s20102879.

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The gas adsorption behaviors of CO, CO2, SO2, NO2, NO, NH3, H2, H2O, and O2 on SiGe monolayer are studied using the first-principles calculation method. Three special adsorption sites and different gas molecule orientations are considered. Based on adsorption energy, band gap, charge transfer, and the electron localization function, the appropriate physical adsorptions of SO2, NO, NH3, and O2 are confirmed. These gases possess excellent adsorption properties that demonstrate the obvious sensitiveness of SiGe monolayer to these gases. Moreover, SiGe may be used as a sensing material for some of
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Xie, Xiaofeng, Hao Chen, Xudong Liu, Kaisong Xiang, and Hui Liu. "Achieving Large-Capability Adsorption of Hg0 in Wet Scrubbing by Defect-Rich Colloidal Copper Sulfides under High-SO2 Atmosphere." Materials 16, no. 8 (2023): 3157. http://dx.doi.org/10.3390/ma16083157.

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This paper reports on a novel method to remove Hg0 in the wet scrubbing process using defect-rich colloidal copper sulfides for reducing mercury emissions from non-ferrous smelting flue gas. Unexpectedly, it migrated the negative effect of SO2 on mercury removal performance, while also enhancing Hg0 adsorption. Colloidal copper sulfides demonstrated the superior Hg0 adsorption rate of 306.9 μg·g−1·min−1 under 6% SO2 + 6% O2 atmosphere with a removal efficiency of 99.1%, and the highest-ever Hg0 adsorption capacity of 736.5 mg·g−1, which was 277% higher than all other reported metal sulfides. T
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Li, Bing, and Chun Yuan Ma. "SO2 Removal by Powder Activated Carbon in a Drop Tube Furnace Experimental System." Key Engineering Materials 783 (October 2018): 34–40. http://dx.doi.org/10.4028/www.scientific.net/kem.783.34.

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SO2 adsorption by powder activated carbon was investigated in a low temperature drop tube furnace. The effects of C/S mole ratio, adsorption temperature, SO2, O2 and H2O concentration on SO2 adsorption kinetics were studied. The results show that SO2 is quickly adsorbed on powder activated carbon in the initial stage and then SO2 adsorption capacity slow increases with time. The Bangham kinetic model can be used to predict SO2 adsorption in the low temperature drop tube furnace. SO2 removal efficiency increases and SO2 adsorption capacity decreases with C/S mole ratio increasing. SO2 removal e
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Gholamrezai, Kohan, Hossein Mohammadi-Manesh, and Fotooh Kalantari. "Investigation of adsorption properties of SF6 decomposed gases (SO2 and SO2F2) on pristine and Ti-decorated SWCNT surfaces: A DFT study." Journal of the Serbian Chemical Society, no. 00 (2024): 47. http://dx.doi.org/10.2298/jsc240202047k.

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DFT calculations were employed to investigate the adsorption of gases produced from SF6 decomposition (SO2 and SO2F2) on pristine and Ti-decorated single-walled carbon nanotubes (Ti-(8, 0) SWCNT). All structures were relaxed and their structural and electronic properties were investigated before and after gas adsorption on the surface of the nanotubes. (Ti-(8, 0) SWCNT) was found to have high chemisorption sensitivity to Ti, SO2F2, and SO2 adsorptions on its surface. The electronic properties of (8, 0) SWCNT were altered from semiconductor to metallic upon decoration with Ti, as demonstrated b
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Su, Yiru, Siyao Liu, and Xuechao Gao. "Impact of Impure Gas on CO2 Capture from Flue Gas Using Carbon Nanotubes: A Molecular Simulation Study." Molecules 27, no. 5 (2022): 1627. http://dx.doi.org/10.3390/molecules27051627.

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We used a grand canonical Monte Carlo simulation to study the influence of impurities including water vapor, SO2, and O2 in the flue gas on the adsorption of CO2/N2 mixture in carbon nanotubes (CNTs) and carboxyl doped CNT arrays. In the presence of single impure gas, SO2 yielded the most inhibitions on CO2 adsorption, while the influence of water only occurred at low pressure limit (0.1 bar), where a one-dimensional chain of hydrogen-bonded molecules was formed. Further, O2 was found to hardly affect the adsorption and separation of CO2. With three impurities in flue gas, SO2 still played a m
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Li, Yueying, Chuan Na, Jinxiao Dou, and Jianglong Yu. "SO2 Removal from Flue Gas by Char-Supported Fe-Zn-Cu Sorbent." Materials 18, no. 2 (2025): 394. https://doi.org/10.3390/ma18020394.

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In this study, the mechanisms of SO2 adsorption on lignite char and char-supported Fe-Zn-Cu sorbent (FZC sorbent) were investigated. The FZC sorbent was prepared by the impregnation of metal components on raw coal followed by steam gasification. Flue gas desulfurization experiments were carried out on a fixed-bed reactor at 100–300 °C by using simulated flue gas containing SO2/O2/H2O balanced by N2. The flue gas composition was monitored by using an online flue gas analyzer. The solid samples before and after desulfurization were analyzed by using X-ray diffraction (XRD), Fourier Transform Inf
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Cui, Xiaosen, Zhaorui Lu, Zhongchang Wang, Wen Zeng, and Qu Zhou. "Highly Sensitive SF6 Decomposition Byproducts Sensing Platform Based on CuO/ZnO Heterojunction Nanofibers." Chemosensors 11, no. 1 (2023): 58. http://dx.doi.org/10.3390/chemosensors11010058.

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Hydrogen sulfide (H2S) and sulfur dioxide (SO2) are two typical decomposition byproducts of sulfur hexafluoride (SF6), commonly used as an insulating medium in electrical equipment; for instance, in gas circuit breakers and gas insulated switchgears. In our work, fiber-like p-CuO/n-ZnO heterojunction gas sensing materials were successfully prepared via the electrospinning method to detect the SF6 decomposition byproducts, H2S and SO2 gases. The sensing results demonstrated that p-CuO/n-ZnO nanofiber sensors have good sensing performance with respect to H2S and SO2. It is noteworthy that this f
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Cao, Xiaoli, Lin Zhang, Qun Cui, and Haiyan Wang. "Simultaneous Adsorption and Purification of Low-Concentration SO2 and H2S." Molecules 30, no. 11 (2025): 2302. https://doi.org/10.3390/molecules30112302.

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The simultaneous adsorption and removal of low concentrations of SO2 and H2S using experimental and simulation methods were investigated in this paper. The adsorption breakthrough performance of the single-component SO2 or H2S was determined in the activated carbon fixed-bed test. Langmuir and extended Langmuir equations in the Aspen adsorption module were used to describe the adsorption equilibrium of the single and bi-component SO2 and H2S system, respectively. The effects of gas hourly space velocity (GHSV) and temperature on the dynamic adsorption process of the bi-component SO2/H2S system
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Zhang, Shaopeng, Zhuang Li, Yanchun Yang, Weiwei Jian, Danzhu Ma, and Fengrui Jia. "Kinetics and thermodynamics of SO2 adsorption on metal-loaded multiwalled carbon nanotubes." Open Physics 18, no. 1 (2020): 1201–14. http://dx.doi.org/10.1515/phys-2020-0215.

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Abstract To investigate the adsorption kinetics and thermodynamic adsorption mechanism and laws of dry flue gas desulfurization, we prepared a new adsorbent by loading Cr, Cu, and Zn on TiO2-loaded multiwalled carbon nanotubes. Desulfurization experiments were also carried out. In this study, three kinds of samples were used for simulation and diffusion processes in the dynamic adsorption of different SO2 volume fractions in flue gas and thermodynamic model analysis of different temperatures in flue gas. Results show that the diffusion coefficient of SO2 in three kinds of samples ranges from 1
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Dissertations / Theses on the topic "SO2 gas adsorption"

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Scaglione, Nicolas. "Selective separation of gases by carboxylate phosphonium ionic liquids." Electronic Thesis or Diss., Lyon, École normale supérieure, 2024. http://www.theses.fr/2024ENSL0030.

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La capture des gaz polluants tels que le dioxyde de carbone (CO2) et le dioxyde de soufre (SO2) reste un défi majeur dans les efforts visant à atténuer l'impact des activités humaines sur l'environnement. Nous proposons le développement de nouveaux matériaux absorbants à base de liquides ioniques (LIs) réactifs, avec un faible impact environnemental et un coût réduit. Les LIs, des sels dont la température de fusion est inférieure à 100°C, sont une classe de composés non volatils capables de dissoudre une grande variété de substances. La multitude de combinaisons de cations et d'anions permet d
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Almousa, Almaksour Khaled. "Etude de l’émission cathodique sous vide en présence d'un champ électrique intense et des paramètres physiques gouvernant son intensité." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112017/document.

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L’émission électronique par effet de champ est un domaine qui concerne de nombreuses applications techniques. Dans ce travail, nous avons réalisé une étude essentiellement expérimentale des différents paramètres susceptibles d’avoir une influence sur l’émission électronique. En première partie, nous exposons les résultats obtenus pour un champ électrique homogène correspondant aux faibles intensités de courant. Le rôle de la distance inter-électrodes à champ constant et l’influence de la rugosité de surface sur l’émission électronique ont été étudiés. Nous discutons la méthode classique de Fow
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Venet, Saphir. "Stockage du CO2 et séparation CO2/CH4 par des matériaux de silice à porosité et fonctionnalité contrôlées : étude expérimentale et modélisation de dynamique moléculaire." Thesis, Pau, 2018. http://www.theses.fr/2018PAUU3027/document.

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Ce travail vise à évaluer les performances de matériaux à base de silice et à rationaliser leur synthèse en fonction des propriétés d’adsorption recherchées (capacité et/ou sélectivité) en combinant des approches expérimentales et la modélisation de dynamique moléculaire. Ces matériaux devaient idéalement présenter une capacité d’adsorption CO2 mais également une sélectivité CO2 /CH4 élevées. Les différentes étapes de ce travail ont été :- la synthèse et la fonctionnalisation des matériaux de silice,- leur caractérisation texturale et chimique,- la détermination des capacités d’adsorption du C
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Yuan, Haifeng. "Caractérisation expérimentale des propriétés de poromécaniques et de transfert de l’argilite du COx." Thesis, Ecole centrale de Lille, 2017. http://www.theses.fr/2017ECLI0030/document.

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L’argilite du COx a été choisie comme roche hôte pour le stockage des déchets radioactifs de haute activité et vie longue (HAVL) en France. Ce matériau subira l'intrusion de gaz et d'eau sous, parfois, des conditions thermiques sévères. Par conséquent, afin d'évaluer la sécurité de cette barrière naturelle, il est très important de comprendre les propriétés poromécaniques et de transfert de ce matériau ainsi que l’effet de la température. Ce travail aborde les mesures au gaz du coefficient de Biot et montrent que celui-ci est presque égal à 1 en conditions humides. Il y a cependant sur le maté
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Lin, Ying-Xian, and 林英嫻. "Remove SO2,NO2 and CO2 from flue gas by pressure swing adsorption." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/78694024155121627163.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>92<br>ABSTRACT The major cause for acid-rain and greenhouse-effect phenomena is the emission which carries gas mixture containing components sulfur，nitrogen and carbon from power plants that burn fossil fuel. The concentration and recovery of SO2，NO2 and CO2 from flue gas is important in solving such pollution problem. Vacuum swing adsorption (VSA) is a feasible technology for such purpose. This study employes a two-stage VSA to concentrate and recover SO2，NO2 and CO2 from flue gas. The first SO2-VSA is a dual-bed four-step process using Dowex MWA-1 resin as ad
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Fu, Cheng-Hao, and 傅政豪. "Carbon-Support Catalyst/Sorbents Utilized in SO2 Adsorption in Flue Gas from Combustion." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/70306127196698563260.

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碩士<br>國立中興大學<br>環境工程學系<br>90<br>The objective of this study is to investigate the possibility of using carbon supporting metals catalyst/sorbents for the removal of SO2 from flue gas, expected to achieve higher SO2 conversion and sorbents utilized efficiently. The catalyst/sorbents were prepared by impregnating the carbon powders with the aqueous solutions of the nitrate of the metals. They are Cu/A.C., Ce/A.C. and Cu-Ce/A.C. catalyst/sorbents, respectively. A dry scrubber integrated with a frabic filter was employed in the pilot-scale fluidized bed incinerator to demonstrate the pe
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Hwang, Wen-Jian, and 黃文建. "Simultanion of Recovering and Concentrating SO2 from Flue Gas by Multi-bed Pressure Swing Adsorption." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/10772655314914170506.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>90<br>The major cause for acid-rain phenomena is the emission of SO2 from power plants that burn fossil flues. It is all-important that the recovery and concentration of SO2 from flue gas in solving SO2 problem by pressure swing adsorption. The study is on a three-bed six-step vacuum swing adsorption process using XAD-16 with NO-treated. It was performed simulation for bulk separation of SO2/CO2/N2 (0.5/17/82.5 vol %) system. This study used the equilibrium model and the pressure drop can be neglected. We assumed instantaneous equilibrium between the solid and g
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Chou, Wan-Fa, and 周萬發. "Study of Recovery and Concentration of SO2 / CO2 from Flue Gas by Two-Stage Pressure Swing Adsorption." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/7dm2t8.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>94<br>This study uses a two-stage vacuum swing adsorption process to separate SO2, NO2 and CO2 from flue gas. Simulation is performed for the bulk separation of SO2/NO2/CO2/N2 (0.5/0.13/18/81.37 vol %) system. The first stage of SO2-VSA (vacuum swing adsorption) utilizes Dowex MWA-1 as adsorbent to recover SO2 and NO2, and the second stage of CO2-VSA utilizes 13X zeolite as adsorbent to recover CO2. The equilibrium mixture adsorption in SO2-VSA and CO2-VSA can be expressed by the loading ratio correlation (LRC) and extended Langmuir isotherm, respectively. This
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Book chapters on the topic "SO2 gas adsorption"

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Huang, Liang, Zheng Cheng, Yu Zhou, Jinyi Hu, and Qu Zhou. "The Adsorption and Gas-Sensing Performances of NiO-Doped SnSSe Monolayer for SF6 Decompositions HF and SO2." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-97-8832-3_20.

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Tadanaga, Kiyoharu, and Tsutomu Minami. "Measurements of Gas Adsorption and Permeability of Sol–Gel Materials." In Handbook of Sol-Gel Science and Technology. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-19454-7_39-1.

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Tadanaga, Kiyoharu, and Tsutomu Minami. "Measurements of Gas Adsorption and Permeability of Sol-Gel Materials." In Handbook of Sol-Gel Science and Technology. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-32101-1_39.

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Vasiliev, R. B., A. M. Gaskov, M. N. Rumyanseva, and L. I. Ryabova. "Effect of gas adsorption on the interfacial states at n-SnO2/p-Si heterojunction." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59484-7_153.

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Il’chenko, V. V., A. I. Kravchenko, V. M. Telega, et al. "Frequency Changes in the Second Derivative of Currant — Voltage Characteristics of SnO2-Si the Heterostructures During Gas Adsorption for Different Thickness of the Adsorptive Layers." In MicroNano Integration. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-642-18727-8_12.

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Maksymovych, Nelli, Ludmila Oleksenko, and George Fedorenko. "Adsorption-Semiconductor Sensor Based on Nanosized SnO2 for Early Warning of Indoor Fires." In Fire Management [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98989.

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The paper is devoted for a solution of indoors fires prevention at early stage by determination of H2 (fire precursor gas) in air using a semiconductor sensor. A material based on Pt-containing nanosized tin dioxide with an average particle size of 10–11 nm obtained via a sol–gel method was created for a gas sensitive layer of the sensor. The developed sensor has high sensitivity to H2 micro concentration, a wide range of its detectable content in air, selectivity of H2 measuring in the presence of СО and СН4, good dynamic properties. The combination of these properties is very important for p
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"Self-Assembly and Biomimetics." In Nanoscopic Materials: Size-Dependent Phenomena and Growth Principles, 2nd ed. The Royal Society of Chemistry, 2014. http://dx.doi.org/10.1039/bk9781849739078-00296.

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Self-assembly is a process in which structural motives provide specific interaction for directed aggregation of the modular building blocks under equilibrium conditions. Interactions among the building blocks but also between building blocks and solvent play a role. This allows the formation of oriented unimolecular layers and bilayers, such as soap films or biological cell membranes. Depending on the shape of the units, oriented packing may lead to curvature. The interface of the layer to the solvent is associated with a small interfacial energy, and curved surfaces separate regimes of differ
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Conference papers on the topic "SO2 gas adsorption"

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Xu, Minghe, Yoon-Seok Choi, and Srdjan Nesic. "Influence of Impurity Adsorption and Condensation on the Initial Corrosion Mechanism of CO2 Transport Pipeline Steel." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19066.

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Abstract The present study was designed to study the role of impurity adsorption and condensation behaviors in the corrosion mechanism of CO2 transport pipeline steel, based on the hypothesis that the impurity adsorption and condensation play a critical role in inducing the formation of aqueous electrolyte in the initial stage of the corrosion processes. The impurity adsorption and condensation behaviors including water adsorption, adsorption of sulfurous species (SO2/H2SO3), and H2SO3 condensation onto the Fe-coated quartz crystals were measured by the Quartz Crystal Microbalance (QCM) techni
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Jaeger, Paul, Luis F. Garfias-Mesias, and William H. Smyrl. "An Investigation into the Inhibition of Different VCIs for the Protection of Aluminum 2024 in the Presence of H2S and SO2." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98234.

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Abstract Aluminum was used to investigate the mass change associated with different Volatile Corrosion Inhibitors (VCIs) by using the Quartz Crystal Microbalance (QCM) and aluminum 2024 was characterized using a Scanning Electron Microscope (SEM). An atmosphere containing H2S, SO2, H2SO4, NH4Cl and KBr at a Critical Relative Humidity (CRH) of 80 and up to 100% and where temperatures were between 5 and 50°C was used to corrode the aluminum 2024. The SEM images of the uninhibited 2024 samples revealed a highly corroded surface, whereas the inhibited samples showed less attack after exposure to t
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P. A., Batrakov, Medvedyuk I. N., and Karas N. M. "ANALYSIS OF EXISTING METHODS FOR CLEANING POLLUTANTS IN FLUE GASES APPLICABLE TO THERMAL POWER PLANTS." In Mechanical Science and Technology Update. Omsk State Technical University, 2022. http://dx.doi.org/10.25206/978-5-8149-3453-6-2022-69-73.

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The purpose of this article is to provide an overview of the various methods of integrated flue gas cleaning from a review of the existing literature, with an emphasis on methods that can be adapted to existing thermal power plants, since the largest share of atmospheric air pollution occurs due to emissions of harmful substances into the atmosphere during the operation of power plants. Methods of pre-combustion and combustion control, selective catalytic (SCR) and selective non-catalytic reduction (SNCR), wet cleaning, adsorption,electron beam, electrochemical method, and others are presented
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Vierling, Matthieu, Frederic Geiger, Jean-Francois Brilhac, et al. "Novel Desulfurization Concept Using a Regenerable Adsorbent." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-16222.

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Abstract Sulfur oxides, abbreviated to SOx, refer to both sulfur dioxide (SO2) and sulfur trioxide (SO3) that are gaseous pollutants emitted by the combustion of low-grade fuels, including heavy oils, sour gases and coal. Current Flue Gas Desulfurization (FGD) technologies mainly use limestone or CaO (quicklime) as sulfur scavenger. They consume water and produce significant stocks of calcium sulfate, a non-regenerable solid that has limited market outlets and is sometimes considered as waste. To tackle this problem, a multi-partner team has launched a two-phase program in order to develop a n
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Fedorenko, George, Ludmila Oleksenko, Nelly Maksymovych, Inna Vasylenko, Oleksandr Ripko, and Galina Skolyar. "Nanosized Materials Based on SnO2 for Adsorption Semiconductor Gas Sensors." In 2020 IEEE 40th International Conference on Electronics and Nanotechnology (ELNANO). IEEE, 2020. http://dx.doi.org/10.1109/elnano50318.2020.9088743.

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Palone, Orlando, Arian Hoxha, Gabriele Guglielmo Gagliardi, Francesca Di Gruttola, and Domenico Borello. "Methanol Production by a Chemical Looping Cycle Using Blast Furnace Gases." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-82154.

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Abstract Steel mills are responsible for high direct CO2 emissions. To mitigate climate changes, carbon capture and utilization strategies (CCU) aiming at neutralizing such emissions should be employed. Currently, the most widespread technologies for carbon capture (CC) are represented by chemical/physical absorption, adsorption, membrane separation, calcium looping cycles (CaL). One promising pathway for carbon capture and utilization (CCU) is represented by the coupling of chemical looping cycles with liquid fuel synthesis processes, such as methanol synthesis. Methanol is an interesting low
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Hirose, Yuto, Xiangyu Qiao, Wangyang Fu, Ken Suzuki, and Hideo Miura. "Improvement of the Sensitivity and Selectivity of Gas Molecules of Graphene-Base Gas Sensor With Carbon Nanotubes Under the Application of Strain." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95307.

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Abstract A biochemical sensor using graphene nanoribbons as a sensing element was developed for a new generation highly sensitive and compact multi-gas sensor of human’s breath for the early detection of various diseases. Even though the resistance changes of graphene appeared by adsorption of various gases, it was impossible to identify the gas molecules individually when plural kinds of gas molecules adsorbed on graphene at the same time. No selectivity was confirmed so far. In this study, to improve the sensitivity and selectivity of graphene-base gas sensor, carbon nanotubes (CNTs) were di
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Lu, Ganhua, Liying Zhu, Stephen Hebert, Edward Jen, Leonidas Ocola, and Junhong Chen. "Engineering Gas Sensors With Aerosol Nanocrystals." In 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2007. http://dx.doi.org/10.1115/mnc2007-21301.

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Rutile tin oxide (SnO2) is a wide band gap (3.6 eV at 300K [1]) n-type semiconductor material. It is widely used as sensing elements in gas sensors [2]. The sensing mechanism is generally attributed to the significant change in the electrical resistance of the material associated with the adsorption/desorption of oxygen on the semiconductor surface [3]. The formation of oxygen adsorbates (O2− or O−) results in an electron-depletion surface layer due to the electron transfer from the oxide surface to oxygen [4]. Recent studies [5, 6] have shown that use of tin oxide nanocrystals significantly i
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Mandal, Partha Pratim, Joel Sarout, Reza Rezaee, and Mofazzal Hossain. "Can We Predict Primary Creep and Least Principal Stress Shmin at Depth Either from Specific Surface Area or Weak Phase of Gas Shales?" In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-22212-ms.

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Abstract Recently short-term laboratory primary creep i.e., time-dependent deformation under triaxial in situ stress condition of ultra-low permeable gas shales have been utilized to work out geomechanical impacts of field development cycle such as modification of in situ stress state, prediction of production induced deformation, and understanding of fracture closure mechanism. However, obtaining creep data from the laboratory method is tedious, time-consuming, and costly. A simple power law model as a function of time involving instantaneous elastic compliance of the studied material B, and
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Nurhikmah, Sri J. Rachmania, and Raden Darmawan. "Synthesis and Characteristics of Zeolite Y (Fajasitea) from Bagasse Ash <i>(Saccharum officinarum)</i> Using Hydrothermal Treatment in Pb<sup>2 + </sup>Metal Adsorption." In The 2nd International Conference on Technology for Sustainable Development. Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/p-9306rr.

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The first stage to prepare bagasse ash to be synthesized. Furthermore, it will be in a furnace at a temperature of 600°C for 4 hours, then analyzed by SEM, BET, EDX, XRF to determine the morphology, surface area, elements and compounds contained in bagasse ash. The second stage is calcined using H2 gas stream, then TGA analysis. The third stage results from calcination, then hydrothermal with the addition of a molar variation of 10Na2O:xAl2O3 15SiO2: 300H2O namely mixing 3.06 grams of Al2O3, 3.168 grams of NaOH, 1.908 grams of silica from bagasse ash and 20.87 grams of H2O (pH=7). Then the sam
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Reports on the topic "SO2 gas adsorption"

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Ruangpornvisuti, Vithaya. Surfaces properties of Zirconia and its adsorption of gases : Research report. Chulalongkorn University, 2015. https://doi.org/10.58837/chula.res.2015.36.

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The adsorption of CO and NH₃ gases on the cubic ZrO2 (110) surface was investigated by two–dimensionally periodic slab model DFT method. The relative adsorption energies of these gases on the cubic ZrO₂ (110) surface is in order: NH₃ &gt; CO. The adsorption energies of NH3 on the cubic ZrO₂ (110) surface are –27.62 and –25.51 kcal/mol, obtained using the PBE0 and B3LYP methods, respectively. The CO adsorption on the cubic ZrO2 (110) surface –11.39 and –9.81 kcal/mol, obtained using the PBE0 with rigid and flexible models, respectively. The geometry optimizations of zirconia nanoparticle (ZrO₂–
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