Thematische Bibliographien / CO adsorption

Inhaltsverzeichnis

  1. Zeitschriftenartikel
  2. Dissertationen
  3. Bücher
  4. Buchteile
  5. Konferenzberichte
  6. Berichte der Organisationen

Auswahl der wissenschaftlichen Literatur zum Thema „CO adsorption“

Autor: Grafiati
Veröffentlicht am 4. Juni 2021
Zuletzt aktualisiert am 8. Juni 2024

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Zeitschriftenartikel zum Thema "CO adsorption"

1

Zhong, Shuying, Fanghua Ning, Fengya Rao, Xueling Lei, Musheng Wu und Lang Zhou. „First-principles study of nitrogen and carbon monoxide adsorptions on silicene“. International Journal of Modern Physics B 30, Nr. 25 (28.09.2016): 1650176. http://dx.doi.org/10.1142/s0217979216501769.

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Atomic adsorptions of N, C and O on silicene and molecular adsorptions of N2 and CO on silicene have been investigated using the density functional theory (DFT) calculations. For the atomic adsorptions, we find that the N atom has the most stable adsorption with a higher adsorption energy of 8.207 eV. For the molecular adsorptions, we find that the N2 molecule undergoes physisorption while the CO molecule undergoes chemisorption, the corresponding adsorption energies for N2 and CO are 0.085 and 0.255 eV, respectively. Therefore, silicene exhibits more reactivity towards the CO adsorption than the N2 adsorption. The differences of charge density and the integrated charge calculations suggest that the charge transfer for CO adsorption ([Formula: see text]0.015[Formula: see text]) is larger than that for N2 adsorption ([Formula: see text]0.005[Formula: see text]). This again supports that CO molecule is more active than N2 molecule when they are adsorbed onto silicene.
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J, Hedi. „CO 2 Adsorption on Activated Carbon“. Petroleum & Petrochemical Engineering Journal 5, Nr. 4 (2021): 1–2. http://dx.doi.org/10.23880/ppej-16000289.

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3

Saryati, Saryati, und Sumardjo Sumardjo. „SQUARE WAVE CATHODIC STRIPPING VOLTAMMETRY ADSORPTIVE FOR NICKEL AND COBALT ANALYSIS“. Indonesian Journal of Chemistry 6, Nr. 2 (14.06.2010): 161–64. http://dx.doi.org/10.22146/ijc.21753.

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The adsorptive stripping voltammetric determination of Ni and Co based on adsorption of the Ni/Co and dimethylglioxime (DMG) complex on a hanging mercury drop electrode is studied. The reduction current of the adsorbed DMG complex is measured by square wave cathodic stripping voltammetry method. The effect of various parameters such as ligand concentration, pH of supporting electrolytic, adsorption potential and adsorption time on the current peak of Ni and Co voltammogram were studied. Optimum condition of this method are supporting electrolyte pH 9, DMG concentration 5×10 -4 M, adsorption potential -0.7 V vs Ag/AgCl and adsorption time 180 second. A linier relationship between the current peak and Ni or Co concentration was obtained in the range 5 - 30 ng/mL and the detection limit 0.6 ng/ml for both Ni and Co. The recovery of Ni and Co were 98.11-104.17% using standard biological materials with RSD 2.59 - 10.37%. Based on ";t"; test can be conclude that the result are nearly equal to the standard reference material. Keywords: adsorptive stripping voltammetric, dimethylglioxime complex, nickel, cobalt
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Xie, Xiong, Xu Li und Lichun Dong. „Convenient synthesis of Co-base metal-organic frameworks to effectively adsorb and remove Cr(VI) from aqueous“. Journal of Physics: Conference Series 2563, Nr. 1 (01.08.2023): 012026. http://dx.doi.org/10.1088/1742-6596/2563/1/012026.

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Abstract Herein, we reported the synthesis of a series of well-defined regular cobalt-based metal-organic frameworks (MOFs) from 3D to 2D phases through a facile synthesis method and confirm their effective adsorption behavior for Cr(VI) in aqueous. The equilibrium adsorptive capacities of ZIF-67, ZIF-L-Co-H, ZIF-L-Co-L, and ZIF-L-Co were 27.7, 28, 28.2, and 32 mg/g, respectively. ZIF-L-Co nanosheet morphology exhibited excellent adsorption performance for Cr(VI) in water for the first time, and sharp adsorption speed was also presented at the relevant initial concentrations. The Cr(VI) adsorption process demonstrated that the result well fitted the Langmuir isotherm model of 32.5 mg g-1 with uniform monolayer adsorption. The findings provided a broader understanding of Co-MOFs application as the Cr(VI) removal of wastewater.
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Yang, Guang Jian, Rui Qun Liu und Fang Xia. „Study on the Adsorption Behavior of Co(II) on Modified Sodium Trititanate Whisker“. Advanced Materials Research 230-232 (Mai 2011): 1063–66. http://dx.doi.org/10.4028/www.scientific.net/amr.230-232.1063.

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The modification of sodium trititanate whisker surface was performed by means of impregnation procedure to fabricate the modified sodium trititanate whisker, which was characterized by infrared spectroscopy(IR). Its adsorptive performance for Co(II) in a static system was investigated by FAAS. The main factors affecting adsorption and desorption of Co(II), the adsorptive capacity of Co(II) in optimal condition and adsorption isotherm. The adsorptive rate for Co(II) on 0.2500 g of modified sodium trititanate whisker at PH 6.0 was the best. Co(II) adsorbed on the modified sodium tretitanate whisker could be eluted with 10 mL of 3.0 mol/L HCl. The adsorptive performance of modified sodium trititanate whisker was better than that of unmodified sodium trititanate whisker.
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Jenkins, S. J., und D. A. King. „Theory of CO adsorption on Co{}“. Surface Science 504 (April 2002): 138–44. http://dx.doi.org/10.1016/s0039-6028(01)01960-4.

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Itas, Yahaya Saadu, Abdussalam Balarabe Suleiman, Chifu E. Ndikilar, Abdullahi Lawal, Razif Razali und Amina Muhammad Danmadami. „Effects of Ir and B co-doping on H2 adsorption properties of armchair carbon nanotubes using Optical Spectra Analysis for energy storage“. Gadau Journal of Pure and Allied Sciences 2, Nr. 1 (10.04.2023): 30–39. http://dx.doi.org/10.54117/gjpas.v2i1.58.

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In this research, DFT+U approach was used to investigate the performance of Iridium (Ir) and Boron (B) co-doped armchair (8, 8) Single-walled Carbon Nanotube (SWCNT). Calculations of the structural electronic and optical spectra analysis of the system under study were carried out using the ab’initio quantum simulations implemented in Quantum ESPRESSO and thermo_pw codes within the popular density functional theory. In the doping process, carbon atoms have been replaced by Ir and B atoms in the SWCNT, the investigations were done on the basis of distance of H2 (d) from the co-doped SWCNT at intervals of 6.12 Å, 6.45 Å and 6.77Å, variations of temperature, variations of external electric field, band gaps, optical adsorptions and binding energy variations were all taken in to account. It is found that Ir/B co-doping in pristine SWCNT significantly enhanced the H2 adsorption capacity of the SWCNT. Furthermore, an increase in temperature decrease the performance ability of the co-doped SWCNT, negative adsorptions intensities were recorded by temperature increase by 650, 700 and 750 0C, this can be termed as exothermic adsorption. Therefore it can be demonstrated that H2 by co-doped SWCNT undergoes endothermic adsorption under ambient temperature and shows exothermic adsorption under higher temperatures.
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Causa, M., E. Kotomin, C. Pisani und C. Roetti. „The MgO(110) surface and CO adsorption thereon. II. CO adsorption“. Journal of Physics C: Solid State Physics 20, Nr. 30 (30.10.1987): 4991–97. http://dx.doi.org/10.1088/0022-3719/20/30/021.

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Zhang, Meng, Guoqing Li, Xiaomin Lu, Qianru Zhang und Wei Li. „First-principle study of SO2 adsorption on Fe/Co-doped vacancy defected single-walled (8, 0) carbon nanotubes in sensor applications“. Journal of Theoretical and Computational Chemistry 18, Nr. 05 (August 2019): 1950025. http://dx.doi.org/10.1142/s0219633619500251.

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To explore the excellent sensor for detecting the pollution gas [Formula: see text], the adsorptions of [Formula: see text] molecule on the surfaces of Fe/Co-doped carbon nanotubes (CNTs) and single vacancy defected (8, 0) CNTs were investigated by using density functional theory (DFT). In addition, the adsorption energies, geometries, energy gaps and electronic structures were analyzed. The results showed that Fe/Co-doping and single-vacancy-defected can improve the adsorption and sensitiveness of CNTs toward [Formula: see text]. Considering the changes of energy gap before and after the [Formula: see text] molecule adsorbed on each modified CNTs and its adsorption strength, Fe-doped CNTs (Fe-CNTs) and Co-doped site-2 single-vacancy-defected CNTs performed better for detecting [Formula: see text] molecule. With the decreasing number of electrons of the doped atom (Fe, Co, Ni), the adsorption became more stable. The results of this paper are profound and meaningful for designing [Formula: see text] sensing devices.
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Honkala, Karoliina, Päivi Pirilä und Kari Laasonen. „CO and NO adsorption and co-adsorption on the Pd(111) surface“. Surface Science 489, Nr. 1-3 (August 2001): 72–82. http://dx.doi.org/10.1016/s0039-6028(01)01135-9.

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Dissertationen zum Thema "CO adsorption"

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Eve, Jemimah Kate. „Adsorption and co-adsorption on metal single crystals at cryogenic temperatures“. Thesis, University of York, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313949.

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Carlisle, C. „Atomic-scale imaging of adsorption, oxidation and co-adsorption on Ag{111}“. Thesis, University of Cambridge, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.597289.

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The work presented in this thesis draws upon several uses of STM, from structural determination, when used in conjunction with theoretical simulations, to the observation of surface reactions and surface mediated interactions. Simulations have been used here for the first time to allow the complete structural determination of a complex reconstruction. The determination of the reconstruction's structure and composition has enabled further experiments involving the oxidation of the Ag{111} surface as well as adsorbate-oxygen interactions mediated by the surface. The source of inspiration for these studies has been the catalytic epoxidation of ethene on silver by atomic oxygen. Two 'surface' states of atomic oxygen have been observed. The first, denoted Oc, is considered to adsorb in interstitial sites within the top layer of AG{111}. Its adsorbate-adsorbate repulsive nature sees this species rapidly saturating at a coverage of just 0.05 ML, at which point the p(4x4)-O species becomes more stable and its growth is nucleated at step edges. On decomposition of the p(4x4)-O reconstruction, both Ag{111} triangular islands and fractures within the oxide appear across the terraces. Both features may play a significant role in the catalytic behaviour. Ethene adsorption on clean Ag{111} has provided information on the adsorption geometry, adsorption state and appearance in the STM image allowing confident interpretations of the coadsorbed ethene-oxygen system. Tip pulsing has been used to provide a controlled mechanism for the induced transition from the physisorbed intrinsic precursor state of ethene to that of the chemisorbed state. High-resolution images have enabled the direct observation of Friedel surface oscillations surrounding the chemisorbed state. To my knowledge, this is the first direct observation of such oscillations resulting from adsorbates.
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Torabi, P., und M. T. Baei. „Electric Field Effect in CO Adsorption on the (6,0) Zigzag Single-walled Aluminum Nitride Nanotube: an Ideal Method for CO Adsorption“. Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35182.

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The behavior of the monoxide carbon (CO) adsorbed on the external surface of H-capped (6,0) zigzag single-walled aluminum nitride nanotube was studied under the parallel and transverse electric fields with strengths 0-140 × 10-4 a.u. by using density functional calculations. Geometry optimizations were carried out at the B3LYP/6-31G* level of theory using the Gaussian 03 suite of programs. The binding energies obtained from these calculations at different applied parallel and transverse electric field strengths indicate that with increasing parallel electric field intensity, the binding energy values are increased, especially in the higher parallel field strength, whereas the BE values for the applied transverse electric field show a significant reverse trend. Results of this study indicate that with increasing parallel electric field intensity the pristine AlNNT can be used as CO storage and the parallel electric field effect is an ideal method for adsorption, storage, and fabrication of CO sensors. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35182
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Maurin-Moulin, Marie-Hélène. „Adsorption et co-adsorption de l'ammoniac et de l'eau sur les poudres d'oxyde de magnésium“. Aix-Marseille 2, 1997. http://www.theses.fr/1997AIX22031.

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Au cours de ce travail nous nous sommes interesses a l'adsorption de l'eau et de l'ammoniac sur la surface de symetrie carree (100) de l'oxyde de magnesium sous forme de poudre. L'etude vibrationnelle des molecules (d'ammoniac ou d'eau) adsorbees sur la surface (100) de la poudre de mgo preparee par combustion de rubans de magnesium a l'air montre que l'ammoniac et l'eau sont essentiellement physisorbees sur la surface. Sur les defauts de surface la molecule d'eau est dissociee. Deux types de groupements hydroxyls sont presents en surface : les oh lies entre eux par une liaison hydrogene et les oh libres. Nous avons defini alors deux types d'hydroxyls libres. Lors de sa dissociation la molecule d'eau fournit un ion oh qui se fixe sur un cation mg#2#+ et un proton qui se fixe sur un anion o#2#-. L'adsorption de nh#3 sur mgo est fortement influencee par la presence de groupements oh de surface. Des experiences de co-adsorption d'eau et d'ammoniac ont montre que la molecule d'ammoniac reagit preferentiellement avec les hydroxyls lies aux cations de surface : mg#s-oh. La seconde partie de ce travail porte sur l'adsorption de la molecule d'ammoniac sur une poudre commerciale d'oxyde de magnesium. Elle met en evidence le role primordial de l'etat de surface sur la reactivite de surface de mgo. On a observe, pour la premiere fois, a notre connaissance, la formation de l'ion ammonium nh#+#4 sur la surface par reaction de l'ammoniac avec les hydroxyls de surface. Ces resultats montrent que l'analyse des vibrations de molecules adsorbees est une sonde tres fine pour l'etude de la reactivite de surface de substrats solides. En complement a cette etude, le reseau d'isothermes d'adsorption d'eau sur l'oxyde de magnesium, trace par gravimetrie d'adsorption a des temperatures proche de l'ambiante, a mis en evidence l'existence d'une bicouche d'eau sur la surface de mgo.
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Boily, Jean-François. „Experimental study of Cd-citrate Co-adsorption on corundum“. Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ29659.pdf.

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Su, Lun Wei. „Cobalt adsorption and/or co-precipitation onto ferric oxyhydroxide“. Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/36252.

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The Caron process was developed in the 1920s. In this process, the ore is dried and milled, then roasted in a reducing atmosphere to convert nickel and cobalt to their metallic form. Nickel and cobalt are then leached in ammoniacal solution but some losses occur due to adsorption and co-precipitation with iron oxide or hydroxide precipitates. The effects of various parameters on iron precipitation in the Caron process leach were studied. The parameters studied include pH, temperature, contact time with iron and its precipitates and initial ferrous concentration. The adsorption of otherwise soluble Co onto freshly precipitated ferric hydroxide was measured at four different temperatures between 20ºC and 35ºC. The percentage of cobalt adsorbed onto iron precipitates was directly related to the initial iron concentration but the effect of temperature was less clear. The amount of cobalt adsorbed depended on the pH. Solution contact time with iron precipitates had a very small effect on cobalt adsorption (2-3% difference). The highest adsorption of cobalt (99%) was obtained with an initial concentration of 0.2 M ferrous sulfate at pH 7 after 2 hours of contact time. The main iron precipitate was ferrihydrite. X-ray analysis revealed the characteristic “2 line” ferrihydrite (Fe₅HO₈4H₂O) with no goethite being observed in any of the precipitates. TEM revealed an amorphous structure, which is also indicative of ferrihydrite. SEM showed a preponderance of poorly resolved precipitates, which did not appear to be crystalline. Traces of cobalt were measured in the ferrihydrite particulate by EDX.
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Chihara, Kazuyuki, Shingo Ito, Hideo Nagashima, Masayuki Hikita und Ryosuke Suzuki. „Adsorption of organics on MSC5A in supercritical CO 2“. Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-185835.

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Chromatographic measurements were made for the adsorption of benzene, toluene and m-xylene on molecular sieving carbon (MSC) in a supercritical fluid CO2 mixed with organics. A supercritical chromatograph packed with MSC was used to detect pulse responses of the organics. Adsorption equilibria and adsorption dynamic parameters for organics were obtained by moment analysis of the response peaks. Dependences of adsorption equilibrium constants, K*, and micropore diffusivity, D, on the amount adsorbed were examined. The dependencies of adsorption equilibrium constants, K*, and micropore diffusivities, D, for benzene, toluene and m-xylene, on the molarity of benzene over a range of temperature and pressure were obtained. Experimental results were simulated using the “Stop & Go” method as well as by molecular simulation.
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Yasui, Yoshimi. „CO adsorption and CO oxidation on the Pd(110)c(2×4)-O surface“. 京都大学 (Kyoto University), 1998. http://hdl.handle.net/2433/182450.

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Seitsonen, Ari Paavo. „Theoretical investigations into adsorption and co-adsorption on transition metal surfaces as models to heterogeneous catalysis“. [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=963831291.

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Schlapka, Andreas. „Adsorption von CO und O2 auf Pt-Ru(001)- Bimetalloberflächen“. [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=966110072.

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Bücher zum Thema "CO adsorption"

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K, Heinemann, und Ames Research Center, Hrsg. Size and shape dependence of CO adsorption sites on sapphire supported FE microcrystals. Moffett Field, Calif: The Center, 1985.

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Attalla, Moetaz I. Recent advances in post-combustion CO₂ capture chemistry. Washington, DC: American Chemical Society, 2012.

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E, Finn John, und Ames Research Center, Hrsg. Carbon dioxide adsorption on a 5A zeolite designed for CO₂ removal in spacecraft cabins. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1998.

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Perryman, Adrian Colin. An investigation of catalyst preparative methods and a study of high pressure co adsorption. Uxbridge: Brunel University, 1992.

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It's the sun, not your SUV: CO₂ won't destroy the Earth. South Bend, Ind: St. Augustine's Press, 2008.

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Probing the Properties of the Molecular Adlayers on Metal Substrates: Scanning Tunneling Microscopy Study of Amine Adsorption on Au(111) and Graphene Nanoislands on Co(0001). [New York, N.Y.?]: [publisher not identified], 2011.

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CO adsorption on (111) and (100) surfaces of the PtTi allloy: Evidence for parallel binding and strong activation of CO. [Washington, D.C.?: National Aeronautics and Space Administration?, 1985.

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Buchteile zum Thema "CO adsorption"

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Cuesta, Ángel, und Claudio Gutiérrez. „CO Adsorption on Platinum Electrodes“. In Catalysis in Electrochemistry, 339–73. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9780470929421.ch10.

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Lipkowski, J., X. Cai, A. Chen, Z. Shi, G. Szymanski, T. Tyliszczak und A. H. Hitchcock. „Ionic Adsorption and Co-Adsorption at Single Crystal Electrodes“. In Metal-Ligand Interactions in Chemistry, Physics and Biology, 183–206. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4245-8_8.

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Møller, P. J. „Co-Adsorption on Metal-Oxide Crystal Surfaces“. In Chemisorption and Reactivity on Supported Clusters and Thin Films, 267–84. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-015-8911-6_10.

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Fujima, N., und T. Yamaguchi. „Electronic States and H-Adsorption of Co and Co-V Microclusters“. In Physics and Chemistry of Finite Systems: From Clusters to Crystals, 1095–100. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-017-2645-0_148.

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Hemalatha, Pushparaj, Mani Ganesh, Mei Mei Peng, Wang Seog Cha, Muthiahpillai Palanichamy und Hyun Tae Jang. „Mesoporous Co(III) bis(tetrazolate) Framework for CO2 Adsorption“. In Computer Applications for Software Engineering, Disaster Recovery, and Business Continuity, 445–51. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-35267-6_59.

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Vannice, M. Albert, und Pen Chou. „CO, O2, and H2Heats of Adsorption on Supported Pd“. In ACS Symposium Series, 76–88. Washington, DC: American Chemical Society, 1986. http://dx.doi.org/10.1021/bk-1986-0298.ch008.

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Blyholder, G., und H. Sellers. „Adsorption Sites on Pd (110): Bridge and On- Top CO“. In Cluster Models for Surface and Bulk Phenomena, 321–32. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4684-6021-6_25.

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Gao, Yuanfeng, Hong Lv, Yongwen Sun, Han Yao, Ding Hu und Cunman Zhang. „Enhancement of Acidic HER by Fe Doped CoP with Bimetallic Synergy“. In Proceedings of the 10th Hydrogen Technology Convention, Volume 1, 465–74. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8631-6_45.

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AbstractCompared to single metal site catalysis, the bimetallic synergistic strategy can exploit the complementary ability of different active sites for active species uptake and desorption to develop excellent catalysts. Pure phase metal phosphides are a disadvantage as a promising electrocatalyst for platinum-free hydrogen precipitation with either too strong or too weak adsorption of hydrogen. Here, synthetic Fe-doped CoP particles anchored with MWCNTs, which exhibited excellent catalytic performance for HER, required an overpotential of 123 mV to reach 10 mA cm−2, with a Tafel slope of 58.8 mV dec−1. It was found experimentally that Fe doping improved the conductivity of the catalyst regulated the electronic structure of CoP, and optimized the overall hydrogen adsorption energy of the catalyst. The difference in hydrogen adsorption strength of Fe, Co is used to break the symmetry constraint of single active center and improve the intrinsic activity of the catalyst, a strategy that can be used to guide the preparation of inexpensive and high performance catalysts.
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Marzouk, H. A., und E. B. Bradley. „Laser Raman Spectroscopy: The Adsorption of CO on Ni Single Crystal“. In Springer Series in Optical Sciences, 331–32. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-540-39664-2_103.

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Marcos, Carla Abregú, Abraham Sopla Maslucán, Miguel Cano Lengua und José C. Alvarez. „Co-authors Networks in Adsorption Refrigeration and Air-Conditioning with Solar Energy“. In Proceedings of the 5th Brazilian Technology Symposium, 383–90. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57566-3_38.

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Konferenzberichte zum Thema "CO adsorption"

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Andrunik, Magdalena, Mateusz Skalny und Tomasz Bajda. „Co-Adsorption of Pesticides on Surfactant-Modified Adsorbents“. In The 8th World Congress on Civil, Structural, and Environmental Engineering. Avestia Publishing, 2023. http://dx.doi.org/10.11159/iceptp23.182.

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Podgornaya, O. T., S. O. Podgornyi und E. D. Skutin. „Adsorption of NH3 and CO on CdTe nanofilms“. In OIL AND GAS ENGINEERING (OGE-2021). AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0075836.

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XIE, Y. C., J. ZHANG, Y. GENG, W. TANG und X. Z. Tong. „LARGE SCALE CO SEPARATION BY VPSA USING CUCL/ZEOLITE ADSORBENT“. In Selected Reports at the 4th Pacific Basin Conference on Adsorption Science and Technology. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812770264_0018.

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Lungu, C., und S. Kailasanathan. „192. The Effect Of Sulfur Dioxide Co-Adsorption on the Toluene Adsorption Performance of Activated Carbon“. In AIHce 2002. AIHA, 2002. http://dx.doi.org/10.3320/1.2766115.

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MACHADO, N. B., J. P. MIGUEZ, I. C. A. BOLINA und A. A. MENDES. „PREPARATION AND CHARACTERIZATION OF FUNCTIONALIZED RICE HUSK SILICA FOR LIPASE ADSORPTION“. In XXII Congresso Brasileiro de Engenharia Química. São Paulo: Editora Blucher, 2018. http://dx.doi.org/10.5151/cobeq2018-co.136.

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Oktaviani, Oktaviani, Ade Lestari Yunus, Nunung Nuryanthi, Akhmad Rasyid Syahputra, Tita Puspitasari, Indriyati Indriyati, Ayu Tira Safitri und June Mellawati. „Adsorption of Cu(II) and Pb(II) onto bacterial cellulose-co-polyacrylamide: A study of equilibrium adsorption isotherm“. In THE 2ND INTERNATIONAL CONFERENCE ON DESIGN, ENERGY, MATERIALS AND MANUFACTURE 2021 (ICDEMM 2021). AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0114204.

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Mittal, Hemant, Ali Al-Alili und Saeed M. Alhassan. „Adsorption Isotherm and Kinetics of Water Vapor Adsorption Using Novel Super-Porous Hydrogel Composites“. In ASME 2020 14th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/es2020-1642.

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Abstract Deliquescent salts have high water vapor adsorption capacity, but they dissolve in water by forming crystalline hydrates. That restricts their use in different water vapor adsorption applications. However, this limitation can be overcome by incorporating deliquescent salts within a polymer matrix which will keep the salt solution in place. Furthermore, if the polymer matrix used is also capable of adsorbing water vapor, it will further improve the overall performance of desiccant system. Therefore, in this work, we are proposing the synthesis and use of a highly effective new solid polymer desiccant material, i.e. superporous hydrogel (SPHs) of poly(sodium acrylate-co-acrylic acid (P(SA-co-AA)), and subsequently its composite with deliquescent salt, i.e. calcium chloride (CaCl2), to adsorb water vapors from humid air without the dissolution of the salt in the adsorbed water. Parental PAA-SPHs matrix alone exhibited an adsorption capacity of 1.02 gw/gads which increased to 3.35 gw/gads after incorporating CaCl2 salt in the polymer matrix. Both materials exhibited type-III adsorption isotherm and the experimental isotherm data fitted to the Guggenheim, Anderson and Boer (GAB) isotherm model. However, the adsorption kinetics followed linear driving force model which suggested that this extremely high adsorption capacity was due to the diffusion of water molecules into the interconnected pores of SPHs via capillary channels followed by the attachment of adsorbed water molecules to the CaCl2 salt present in the polymer matrix. Furthermore, the adsorbents were used successively for six cycles of adsorption with a very little loss in adsorption capacity. Therefore, the proposed polymer desiccant material overcomes the problem of dissolution of deliquescent salts and opens the doors for a new class of highly effective solid desiccant material.
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Santhibhushan, B., Md Shahzad Khan und Anurag Srivastava. „CO Adsorption on In-groupV Zig-Zag Nanowires: First Principles Analysis“. In 2015 IEEE International Symposium on Nanoelectronic and Information Systems (iNIS). IEEE, 2015. http://dx.doi.org/10.1109/inis.2015.49.

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Fakher, Sherif, Mohamed Ahdaya, Mukhtar Elturki und Abdulmohsin Imqam;. „The Impact of Thermodynamic Conditions on CO2 Adsorption in Unconventional Shale Reservoirs Using the Volumetric Adsorption Method“. In Carbon Management Technology Conference. Carbon Management Technology Conference, 2019. http://dx.doi.org/10.7122/cmtc-558494-ms.

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Warrener, Matthew, und Christopher R. Anderson. „Cellular adhesion and protein adsorption to P(MEO2MA-co-OEGMA) polymer substrates“. In 2014 40th Annual Northeast Bioengineering Conference (NEBEC). IEEE, 2014. http://dx.doi.org/10.1109/nebec.2014.6972974.

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Berichte der Organisationen zum Thema "CO adsorption"

1

Spencer, Barry B., Stephanie H. Bruffey und Joseph Franklin Walker, Jr. Evaluation of iodine and water Co-adsorption on silver-functionalized aerogel. Office of Scientific and Technical Information (OSTI), April 2015. http://dx.doi.org/10.2172/1214007.

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Bermudez, V. M., und A. S. Glass. Infrared Spectroscopic Study of C12/02 Co-Adsorption on Al(111). Fort Belvoir, VA: Defense Technical Information Center, August 1988. http://dx.doi.org/10.21236/ada198826.

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Jain, Ravi. Bench Scale Development and Testing of a Novel Adsorption Process for Post-Combustion CO₂ Capture. Office of Scientific and Technical Information (OSTI), September 2015. http://dx.doi.org/10.2172/1235558.

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Vuckovic, D. L., S. A. Jansen und R. Hoffmann. Adsorption and Coadsorption of CO and NO on the RH(100) Surface. A Theoretical Analysis. Fort Belvoir, VA: Defense Technical Information Center, April 1989. http://dx.doi.org/10.21236/ada207323.

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Bartholomew, C. H. Effects of dispersion and support on adsorption, catalytic and electronic properties of cobalt/alumina Co hydrogenation catalysts. Office of Scientific and Technical Information (OSTI), September 1990. http://dx.doi.org/10.2172/5575665.

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Chefetz, Benny, Baoshan Xing und Yona Chen. Interactions of engineered nanoparticles with dissolved organic matter (DOM) and organic contaminants in water. United States Department of Agriculture, Januar 2013. http://dx.doi.org/10.32747/2013.7699863.bard.

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Background: Engineered carbon nanotubes (CNTs) are expected to be increasingly released into the environment with the rapid increase in their production and use. The discharged CNTs may interact with coexisting contaminants and subsequently change environmental behaviors and ecological effects of both the CNTs themselves and the contaminants. Dissolved organic matter (DOM) plays a critical role in the transport of CNTs in the aquatic environment, affecting both CNT's surface properties through adsorption, and its colloidal stability in solution. Therefore, CNT-bound DOM complexes may interact with coexisting contaminants, thus affecting their environmental fate. With increasing production and use of CNTs, there is an increasing risk that humans could be exposed to CNTs mainly through ingestion and inhalation. Since CNTs can be carriers of contaminants due to their high adsorption affinity and capacity, the distribution of these nanoparticles in the environment holds a potential environmental and health risk. Project objectives: The overall goal of this project was to gain a better understanding of the environmental behavior of engineered nanoparticles with DOM and organic pollutant in aqueous systems. The scope of this study includes: characterizing various types of engineered nanoparticles and their interaction with DOM; binding studies of organic contaminants by nanoparticles and DOM-nanoparticle complexes; and examining interactions in DOM-nanoparticles-contaminant systems. Major conclusions, solutions and achievements: DOM has a pronounced effect on colloidal stability of CNTs in solution and on their surface chemistry and reactivity toward associated contaminants. The structure and chemical makeup of both CNTs and DOM determine their interactions and nature of formed complexes. CNTs, contaminants and DOM can co-occur in the aquatic environment. The occurrence of co-contaminants, as well as of co-introduction of DOM, was found to suppress the adsorption of organic contaminants to CNTs through both competition over adsorption sites and direct interactions in solution. Furthermore, the release of residual contaminants from CNTs could be enhanced by biomolecules found in the digestive as well as the respiratory tracts, thus increasing the bioaccessibility of adsorbed contaminants and possibly the overall toxicity of contaminant-associated CNTs. Contaminant desorption could be promoted by both solubilization and sorptive competition by biological surfactants. Scientific and agricultural implications: The information gained in the current project may assist in predicting the transport and fate of both CNTs and associated contaminants in the natural environment. Furthermore, the results imply a serious health risk from contaminant-associated CNTs.
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Yahnke, Mark S. The application of solid-state NMR spectroscopy to electrochemical systems: CO adsorption on Pt electrocatalysts at the aqueous-electrode interface. Office of Scientific and Technical Information (OSTI), Dezember 1996. http://dx.doi.org/10.2172/451231.

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Bartholomew, C. H. Effects of dispersion and support on adsorption, catalytic and electronic properties of cobalt/alumina Co hydrogenation catalysts. Final progress report, August 1, 1987--July 31, 1990. Office of Scientific and Technical Information (OSTI), September 1990. http://dx.doi.org/10.2172/10135056.

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Shomer, Ilan, Ruth E. Stark, Victor Gaba und James D. Batteas. Understanding the hardening syndrome of potato (Solanum tuberosum L.) tuber tissue to eliminate textural defects in fresh and fresh-peeled/cut products. United States Department of Agriculture, November 2002. http://dx.doi.org/10.32747/2002.7587238.bard.

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The project sought to understand factors and mechanisms involved in the hardening of potato tubers. This syndrome inhibits heat softening due to intercellular adhesion (ICA) strengthening, compromising the marketing of industrially processed potatoes, particularly fresh peeled-cut or frozen tubers. However, ICA strengthening occurs under conditions which are inconsistent with the current ideas that relate it to Ca-pectate following pectin methyl esterase (PME) activity or to formation of rhamnogalacturonan (RG)-II-borate. First, it was necessary to induce strengthening of the middle lamellar complex (MLX) and the ICA as a stress response in some plant parenchyma. As normally this syndrome does not occur uniformly enough to study it, we devised an efficient model in which ICA-strengthening is induced consistently under simulated stress by short-chain, linear, mono-carboxylic acid molecules (OAM), at 65 oC [appendix 1 (Shomer&Kaaber, 2006)]. This rapid strengthening was insufficient for allowing the involved agents assembly to be identifiable; but it enabled us to develop an efficient in vitro system on potato tuber parenchyma slices at 25 ºC for 7 days, whereas unified stress was reliably simulated by OAMs in all the tissue cells. Such consistent ICA-strengthening in vitro was found to be induced according to the unique physicochemical features of each OAM as related to its lipophilicity (Ko/w), pKa, protonated proportion, and carbon chain length by the following parameters: OAM dissociation constant (Kdiss), adsorption affinity constant (KA), number of adsorbed OAMs required for ICA response (cooperativity factor) and the water-induced ICA (ICAwater). Notably, ICA-strengthening is accompanied by cell sap leakage, reflecting cell membrane rupture. In vitro, stress simulation by OAMs at pH<pKa facilitated the consistent assembly of ICAstrengthening agents, which we were able to characterize for the first time at the molecular level within purified insoluble cell wall of ICA-strengthened tissue. (a) With solid-state NMR, we established the chemical structure and covalent binding to cell walls of suberin-like agents associated exclusively with ICA strengthening [appendix 3 (Yu et al., 2006)]; (b) Using proteomics, 8 isoforms of cell wall-bound patatin (a soluble vacuolar 42-kDa protein) were identified exclusively in ICA-strengthened tissue; (c) With light/electron microscopy, ultrastructural characterization, histochemistry and immunolabeling, we co-localized patatin and pectin in the primary cell wall and prominently in the MLX; (d) determination of cell wall composition (pectin, neutral sugars, Ca-pectate) yielded similar results in both controls and ICA-strengthened tissue, implicating factors other than PME activity, Ca2+ or borate ions; (e) X-ray powder diffraction experiments revealed that the cellulose crystallinity in the cell wall is masked by pectin and neutral sugars (mainly galactan), whereas heat or enzymatic pectin degradation exposed the crystalline cellulose structure. Thus, we found that exclusively in ICA-strengthened tissue, heat-resistant pectin is evident in the presence of patatin and suberinlike agents, where the cellulose crystallinity was more hidden than in fresh control tissue. Conclusions: Stress response ICA-strengthening is simulated consistently by OAMs at pH< pKa, although PME and formation of Ca-pectate and RG-II-borate are inhibited. By contrast, at pH>pKa and particularly at pH 7, ICA-strengthening is mostly inhibited, although PME activity and formation of Ca-pectate or RG-II-borate are known to be facilitated. We found that upon stress, vacuolar patatin is released with cell sap leakage, allowing the patatin to associate with the pectin in both the primary cell wall and the MLX. The stress response also includes formation of covalently bound suberin-like polyesters within the insoluble cell wall. The experiments validated the hypotheses, thus led to a novel picture of the structural and molecular alterations responsible for the textural behavior of potato tuber. These findings represent a breakthrough towards understanding of the hardening syndrome, laying the groundwork for potato-handling strategies that assure textural quality of industrially processed particularly in fresh peeled cut tubers, ready-to-prepare and frozen preserved products.
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