Experimental investigations of AB5-type alloys for hydrogen separation from biological gas streams
AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from b...
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| Autor*in: |
Kazakov, A.N. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Umfang: |
8 |
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| Übergeordnetes Werk: |
Enthalten in: External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs - Dedhia, Kavita ELSEVIER, 2018, official journal of the International Association for Hydrogen Energy, New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:45 ; year:2020 ; number:7 ; day:7 ; month:02 ; pages:4685-4692 ; extent:8 |
| Links: |
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| DOI / URN: |
10.1016/j.ijhydene.2019.11.207 |
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ELV049195085 |
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| 520 | |a AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. | ||
| 520 | |a AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. | ||
| 650 | 7 | |a Hydrogen storage |2 Elsevier | |
| 650 | 7 | |a Metal hydride |2 Elsevier | |
| 650 | 7 | |a Biohydrogen |2 Elsevier | |
| 650 | 7 | |a Intermetallic compound |2 Elsevier | |
| 650 | 7 | |a Bed permeability |2 Elsevier | |
| 650 | 7 | |a Hydrogen separation |2 Elsevier | |
| 700 | 1 | |a Romanov, I.A. |4 oth | |
| 700 | 1 | |a Mitrokhin, S.V. |4 oth | |
| 700 | 1 | |a Kiseleva, E.A. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Dedhia, Kavita ELSEVIER |t External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs |d 2018 |d official journal of the International Association for Hydrogen Energy |g New York, NY [u.a.] |w (DE-627)ELV000127019 |
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10.1016/j.ijhydene.2019.11.207 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001168.pica (DE-627)ELV049195085 (ELSEVIER)S0360-3199(19)34430-1 DE-627 ger DE-627 rakwb eng 610 VZ 44.94 bkl Kazakov, A.N. verfasserin aut Experimental investigations of AB5-type alloys for hydrogen separation from biological gas streams 2020transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. Hydrogen storage Elsevier Metal hydride Elsevier Biohydrogen Elsevier Intermetallic compound Elsevier Bed permeability Elsevier Hydrogen separation Elsevier Romanov, I.A. oth Mitrokhin, S.V. oth Kiseleva, E.A. oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:45 year:2020 number:7 day:7 month:02 pages:4685-4692 extent:8 https://doi.org/10.1016/j.ijhydene.2019.11.207 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 45 2020 7 7 0207 4685-4692 8 |
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10.1016/j.ijhydene.2019.11.207 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001168.pica (DE-627)ELV049195085 (ELSEVIER)S0360-3199(19)34430-1 DE-627 ger DE-627 rakwb eng 610 VZ 44.94 bkl Kazakov, A.N. verfasserin aut Experimental investigations of AB5-type alloys for hydrogen separation from biological gas streams 2020transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. Hydrogen storage Elsevier Metal hydride Elsevier Biohydrogen Elsevier Intermetallic compound Elsevier Bed permeability Elsevier Hydrogen separation Elsevier Romanov, I.A. oth Mitrokhin, S.V. oth Kiseleva, E.A. oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:45 year:2020 number:7 day:7 month:02 pages:4685-4692 extent:8 https://doi.org/10.1016/j.ijhydene.2019.11.207 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 45 2020 7 7 0207 4685-4692 8 |
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10.1016/j.ijhydene.2019.11.207 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001168.pica (DE-627)ELV049195085 (ELSEVIER)S0360-3199(19)34430-1 DE-627 ger DE-627 rakwb eng 610 VZ 44.94 bkl Kazakov, A.N. verfasserin aut Experimental investigations of AB5-type alloys for hydrogen separation from biological gas streams 2020transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. Hydrogen storage Elsevier Metal hydride Elsevier Biohydrogen Elsevier Intermetallic compound Elsevier Bed permeability Elsevier Hydrogen separation Elsevier Romanov, I.A. oth Mitrokhin, S.V. oth Kiseleva, E.A. oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:45 year:2020 number:7 day:7 month:02 pages:4685-4692 extent:8 https://doi.org/10.1016/j.ijhydene.2019.11.207 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 45 2020 7 7 0207 4685-4692 8 |
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10.1016/j.ijhydene.2019.11.207 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001168.pica (DE-627)ELV049195085 (ELSEVIER)S0360-3199(19)34430-1 DE-627 ger DE-627 rakwb eng 610 VZ 44.94 bkl Kazakov, A.N. verfasserin aut Experimental investigations of AB5-type alloys for hydrogen separation from biological gas streams 2020transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. Hydrogen storage Elsevier Metal hydride Elsevier Biohydrogen Elsevier Intermetallic compound Elsevier Bed permeability Elsevier Hydrogen separation Elsevier Romanov, I.A. oth Mitrokhin, S.V. oth Kiseleva, E.A. oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:45 year:2020 number:7 day:7 month:02 pages:4685-4692 extent:8 https://doi.org/10.1016/j.ijhydene.2019.11.207 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 45 2020 7 7 0207 4685-4692 8 |
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10.1016/j.ijhydene.2019.11.207 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001168.pica (DE-627)ELV049195085 (ELSEVIER)S0360-3199(19)34430-1 DE-627 ger DE-627 rakwb eng 610 VZ 44.94 bkl Kazakov, A.N. verfasserin aut Experimental investigations of AB5-type alloys for hydrogen separation from biological gas streams 2020transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. Hydrogen storage Elsevier Metal hydride Elsevier Biohydrogen Elsevier Intermetallic compound Elsevier Bed permeability Elsevier Hydrogen separation Elsevier Romanov, I.A. oth Mitrokhin, S.V. oth Kiseleva, E.A. oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:45 year:2020 number:7 day:7 month:02 pages:4685-4692 extent:8 https://doi.org/10.1016/j.ijhydene.2019.11.207 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 45 2020 7 7 0207 4685-4692 8 |
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Enthalten in External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs New York, NY [u.a.] volume:45 year:2020 number:7 day:7 month:02 pages:4685-4692 extent:8 |
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External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs |
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experimental investigations of ab5-type alloys for hydrogen separation from biological gas streams |
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Experimental investigations of AB5-type alloys for hydrogen separation from biological gas streams |
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AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. |
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AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. |
| abstract_unstemmed |
AB5-type intermetallic compounds are suitable materials for hydrogen separation due to their ability selectively absorb hydrogen from different gas streams, including biologically produced ones. Recent studies show that metal hydride-based purification systems can effectively extract hydrogen from biogas with high CO2 concentration. Alloys LaNi5-xMx (M = Fe, Al, Mn, Sn) are prepared and activated during several cycles of H2 sorption/desorption and their PCT properties are measured in Sievert's type apparatus. Two compositions LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 are chosen for further investigations because they meet the requirements for biohydrogen separation system. After PCT measurements of 50-g samples, metal hydride powders are investigated by means of Quantochrome Nova 1200 and scanning electron microscopy to determine porosity, average particle size, specific surface area and permeability of metal hydride bed. Powder bed permeabilities are defined as 9.08 × 10−13 m2 for LaNi4.4Fe0.3Al0.3 and 6.86 × 10−13 m2 for LaNi4.6Mn0.2Al0.2 by Kozeny-Carman equation. AB5 type LaNi4.4Fe0.3Al0.3 and LaNi4.6Mn0.2Al0.2 alloys show good characteristics: low equilibrium pressures 0.025–0.03 MPa and acceptable reversible hydrogen capacity 1.1 %wt. for stationary hydrogen separation system. |
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