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Abstract
AbstractIn this study we present a new methodology for correcting experimental Zero Length Column data, to account for contributions to the measured signal arising from extra-column volumes and the detector. The methodology considers the experimental setup as a series of mixing volumes with diffusive pockets whose contributions to the overall measured signal can be accurately described by simple model functions. The composite effect of the individual contributions is subsequently described through the method of convolution. It is shown that the model parameters are closely related to the physical characteristics of the setup components and as such they remain valid over a range of process conditions. The methodology is firstly validated through fitting to experimental experiments without adsorbent present. The inverse procedure of deconvolution can in turn be applied to experimental data with adsorbent, to yield corrected data which can readily be modelled using standard tools for equilibrium and kinetic analysis. A number of case studies is finally presented exemplifying the effect of applying accurate blank corrections, demonstrating also the application to a nonlinear adsorption system.
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Measurement of competitive $$\text {CO}_{2}$$ and $$\text {H}_{2}\text {O}$$ adsorption on zeolite 13X for post-combustion $$\text {CO}_{2}$$ capture. ADSORPTION 2020. [DOI: 10.1007/s10450-020-00199-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Li M, Vogt SJ, May EF, Johns ML. In Situ CH4–CO2 Dispersion Measurements in Rock Cores. Transp Porous Media 2019. [DOI: 10.1007/s11242-019-01278-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Measurement of competitive CO2 and N2 adsorption on Zeolite 13X for post-combustion CO2 capture. ADSORPTION 2019. [DOI: 10.1007/s10450-018-00004-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Narayanan AM, Parasuraman R, Umarji AM. Stabilization of Brownmillerite-Type SrCoO 2.5 by a Cost-Effective Quenching Method for Oxygen-Scavenging Applications. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b03652] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Arun M. Umarji
- Materials Research Centre, Indian Institute of Science, Bengaluru 560012, India
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Zecca M, Vogt SJ, Honari A, Xiao G, Fridjonsson EO, May EF, Johns ML. Quantitative dependence of CH4-CO2dispersion on immobile water fraction. AIChE J 2017. [DOI: 10.1002/aic.15824] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Marco Zecca
- School of Mechanical and Chemical Engineering (M050); University of Western Australia; Crawley Western Australia 6009 Australia
| | - Sarah J. Vogt
- School of Mechanical and Chemical Engineering (M050); University of Western Australia; Crawley Western Australia 6009 Australia
| | - Abdolvahab Honari
- School of Mechanical and Chemical Engineering (M050); University of Western Australia; Crawley Western Australia 6009 Australia
| | - Gongkui Xiao
- School of Mechanical and Chemical Engineering (M050); University of Western Australia; Crawley Western Australia 6009 Australia
| | - Einar O. Fridjonsson
- School of Mechanical and Chemical Engineering (M050); University of Western Australia; Crawley Western Australia 6009 Australia
| | - Eric F. May
- School of Mechanical and Chemical Engineering (M050); University of Western Australia; Crawley Western Australia 6009 Australia
| | - Michael L. Johns
- School of Mechanical and Chemical Engineering (M050); University of Western Australia; Crawley Western Australia 6009 Australia
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Wu HC, Lin YS. Effects of Oxygen Vacancy Order–Disorder Phase Transition on Air Separation by Perovskite Sorbents. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b00461] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Han-Chun Wu
- School for Engineering of
Matter, Transport and Energy, Arizona State University, Tempe, Arizona 85287, United States
| | - Y. S. Lin
- School for Engineering of
Matter, Transport and Energy, Arizona State University, Tempe, Arizona 85287, United States
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Ikeda H, Tsuchida A, Morita J, Miura N. SrCoxFe1–xO3−δ Oxygen Sorbent Usable for High-Temperature Pressure-Swing Adsorption Process Operating at Approximately 300 °C. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b01284] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hiroshi Ikeda
- Art,
Science and Technology Center for Cooperative Research, Kyushu University, Kasuga-shi, Fukuoka 816-8580, Japan
| | - Akinori Tsuchida
- Art,
Science and Technology Center for Cooperative Research, Kyushu University, Kasuga-shi, Fukuoka 816-8580, Japan
| | - Jun Morita
- Interdisciplinary
Graduate School of Engineering Sciences, Kyushu University, Kasuga-shi,
Fukuoka 816-8580, Japan
| | - Norio Miura
- Art,
Science and Technology Center for Cooperative Research, Kyushu University, Kasuga-shi, Fukuoka 816-8580, Japan
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Hosseinzadeh Hejazi SA, Rajendran A, Sawada JA, Kuznicki SM. Dynamic Column Breakthrough and Process Studies of High-Purity Oxygen Production Using Silver-Exchanged Titanosilicates. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b01560] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sayed Alireza Hosseinzadeh Hejazi
- Department of Chemical and
Materials Engineering, University of Alberta, 12th Floor, Donadeo Innovation Centre
for Engineering (ICE), 9211-116 Street, Edmonton, Alberta, Canada T6G 1H9
| | - Arvind Rajendran
- Department of Chemical and
Materials Engineering, University of Alberta, 12th Floor, Donadeo Innovation Centre
for Engineering (ICE), 9211-116 Street, Edmonton, Alberta, Canada T6G 1H9
| | - James A. Sawada
- Department of Chemical and
Materials Engineering, University of Alberta, 12th Floor, Donadeo Innovation Centre
for Engineering (ICE), 9211-116 Street, Edmonton, Alberta, Canada T6G 1H9
| | - Steven M. Kuznicki
- Department of Chemical and
Materials Engineering, University of Alberta, 12th Floor, Donadeo Innovation Centre
for Engineering (ICE), 9211-116 Street, Edmonton, Alberta, Canada T6G 1H9
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Miura N, Ikeda H, Tsuchida A. Sr1–xCaxFeO3-δ as a New Oxygen Sorbent for the High-Temperature Pressure-Swing Adsorption Process. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.5b04579] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Norio Miura
- Art, Science and Technology
Center for Cooperative Research, Kyushu University, Kasuga-shi, Fukuoka 816-8580, Japan
| | - Hiroshi Ikeda
- Art, Science and Technology
Center for Cooperative Research, Kyushu University, Kasuga-shi, Fukuoka 816-8580, Japan
| | - Akinori Tsuchida
- Art, Science and Technology
Center for Cooperative Research, Kyushu University, Kasuga-shi, Fukuoka 816-8580, Japan
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Honari A, Vogt SJ, May EF, Johns ML. Gas–Gas Dispersion Coefficient Measurements Using Low-Field MRI. Transp Porous Media 2014. [DOI: 10.1007/s11242-014-0388-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Rufford TE, Watson GCY, Saleman TL, Hofman PS, Jensen NK, May EF. Adsorption Equilibria and Kinetics of Methane + Nitrogen Mixtures on the Activated Carbon Norit RB3. Ind Eng Chem Res 2013. [DOI: 10.1021/ie401831u] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Thomas E. Rufford
- Centre for Energy, School of Mechanical & Chemical Engineering, The University of Western Australia, Crawley, Western Australia 6009, Australia
- School of Chemical
Engineering, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Guillaume C. Y. Watson
- Centre for Energy, School of Mechanical & Chemical Engineering, The University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Thomas L. Saleman
- Centre for Energy, School of Mechanical & Chemical Engineering, The University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Paul S. Hofman
- Centre for Energy, School of Mechanical & Chemical Engineering, The University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Nathan K. Jensen
- Centre for Energy, School of Mechanical & Chemical Engineering, The University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Eric F. May
- Centre for Energy, School of Mechanical & Chemical Engineering, The University of Western Australia, Crawley, Western Australia 6009, Australia
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Saleman TLH, Watson GCY, Rufford TE, Hofman PS, Chan KI, May EF. Capacity and kinetic measurements of methane and nitrogen adsorption on H+-mordenite at 243–303 K and pressures to 900 kPa using a dynamic column breakthrough apparatus. ADSORPTION 2013. [DOI: 10.1007/s10450-013-9546-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Rekha K, Rao RR, Pandey R, Prasad KR, Babu KS, Vangala JR, Kalivendi SV, Rao JM. Two new sesquiterpenoids from the rhizomes of Nardostachys jatamansi. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2013; 15:111-116. [PMID: 23431964 DOI: 10.1080/10286020.2012.738673] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Phytochemical investigation of CHCl(3):MeOH (1:1) extract from the rhizomes of Nardostachys jatamansi led to the isolation of two new sesquiterpenoids (5 and 6), along with six known compounds (1-4, 7, and 8). The structures of two new compounds were established using IR, MS, 1D, and 2D NMR techniques. In addition, all the isolates were tested for their cytotoxicities against the A549 (lung cancer), DU-145 (prostate cancer), MCF-7 (breast cancer), and SK-N-SH (neuroblastoma).
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Affiliation(s)
- K Rekha
- Division of Natural Product Chemistry, Natural Product Laboratory, CSIR-Indian Institute of Chemical Technology, Tarnaka , Hyderabad 500 607, India
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Joss L, Mazzotti M. Modeling the extra-column volume in a small column setup for bulk gas adsorption. ADSORPTION 2012. [DOI: 10.1007/s10450-012-9417-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Hofman PS, Rufford TE, Chan KI, May EF. A dynamic column breakthrough apparatus for adsorption capacity measurements with quantitative uncertainties. ADSORPTION 2012. [DOI: 10.1007/s10450-012-9398-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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He Y, Zhu X, Yang W. The role of A-site ion nonstoichiometry in the oxygen absorption properties of Sr1+xCo0.8Fe0.2O3 oxides. AIChE J 2010. [DOI: 10.1002/aic.12246] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Yin Q, Kniep J, Lin Y. High temperature air separation by perovskite-type oxide sorbents–Heat effect minimization. Chem Eng Sci 2008. [DOI: 10.1016/j.ces.2008.09.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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