Computational and experimental studies of high depth algal raceway pond photo-bioreactor
Microalgae are promising candidate for biofuels as well as precursors for many high value products like polyunsaturated fatty acids, pigments or polysaccharides. Major cultivation of microalgae is carried out in open raceway ponds. Conventional raceway pond designs with paddle wheels have limitation...
Ausführliche Beschreibung
Autor*in: |
Sawant, S.S. [verfasserIn] Khadamkar, H.P. [verfasserIn] Mathpati, C.S. [verfasserIn] Pandit, Reena [verfasserIn] Lali, A.M. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2017 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Renewable energy - Amsterdam [u.a.] : Elsevier Science, 1991, 118, Seite 152-159 |
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Übergeordnetes Werk: |
volume:118 ; pages:152-159 |
DOI / URN: |
10.1016/j.renene.2017.11.015 |
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Katalog-ID: |
ELV001055372 |
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520 | |a Microalgae are promising candidate for biofuels as well as precursors for many high value products like polyunsaturated fatty acids, pigments or polysaccharides. Major cultivation of microalgae is carried out in open raceway ponds. Conventional raceway pond designs with paddle wheels have limitations such as high capital investment, inefficient mixing, lower depth (approximately 0.3 m) and lower productivity. In the present work, a modified high depth (1 m) raceway pond design with side entry axial flow impeller has been studied. The higher depth decreases the land requirement as well as capital cost. The pilot scale (4.5 m3) studies for cultivation of Spirullinaplatensis in nutrient rich Zarrouk's culture media have shown productivity of 21.22 gm/m2/day compared to 11.05 gm/m2/day in convectional raceway ponds. The specific power consumption was found to be 4 W/gm in modified design compared to 6 W/gm in conventional design. Computational Fluid Dynamics (CFD) analysis shows that modified design minimized the excessive turbulence generation and provided higher convective currents keeping biomass in suspension. The simulation results have been validated with ultrasonic velocity profiler (UVP) and particle image velocimetry (PIV) measurements. | ||
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700 | 1 | |a Khadamkar, H.P. |e verfasserin |4 aut | |
700 | 1 | |a Mathpati, C.S. |e verfasserin |4 aut | |
700 | 1 | |a Pandit, Reena |e verfasserin |4 aut | |
700 | 1 | |a Lali, A.M. |e verfasserin |4 aut | |
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2017 |
allfields |
10.1016/j.renene.2017.11.015 doi (DE-627)ELV001055372 (ELSEVIER)S0960-1481(17)31116-3 DE-627 ger DE-627 rda eng 530 620 DE-600 52.56 bkl Sawant, S.S. verfasserin aut Computational and experimental studies of high depth algal raceway pond photo-bioreactor 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Microalgae are promising candidate for biofuels as well as precursors for many high value products like polyunsaturated fatty acids, pigments or polysaccharides. Major cultivation of microalgae is carried out in open raceway ponds. Conventional raceway pond designs with paddle wheels have limitations such as high capital investment, inefficient mixing, lower depth (approximately 0.3 m) and lower productivity. In the present work, a modified high depth (1 m) raceway pond design with side entry axial flow impeller has been studied. The higher depth decreases the land requirement as well as capital cost. The pilot scale (4.5 m3) studies for cultivation of Spirullinaplatensis in nutrient rich Zarrouk's culture media have shown productivity of 21.22 gm/m2/day compared to 11.05 gm/m2/day in convectional raceway ponds. The specific power consumption was found to be 4 W/gm in modified design compared to 6 W/gm in conventional design. Computational Fluid Dynamics (CFD) analysis shows that modified design minimized the excessive turbulence generation and provided higher convective currents keeping biomass in suspension. The simulation results have been validated with ultrasonic velocity profiler (UVP) and particle image velocimetry (PIV) measurements. Algae Raceway pond Hydrofoil Computational fluid dynamics Mixing Khadamkar, H.P. verfasserin aut Mathpati, C.S. verfasserin aut Pandit, Reena verfasserin aut Lali, A.M. verfasserin aut Enthalten in Renewable energy Amsterdam [u.a.] : Elsevier Science, 1991 118, Seite 152-159 Online-Ressource (DE-627)320412091 (DE-600)2001449-1 (DE-576)252613937 1879-0682 nnns volume:118 pages:152-159 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 52.56 Regenerative Energieformen alternative Energieformen AR 118 152-159 |
spelling |
10.1016/j.renene.2017.11.015 doi (DE-627)ELV001055372 (ELSEVIER)S0960-1481(17)31116-3 DE-627 ger DE-627 rda eng 530 620 DE-600 52.56 bkl Sawant, S.S. verfasserin aut Computational and experimental studies of high depth algal raceway pond photo-bioreactor 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Microalgae are promising candidate for biofuels as well as precursors for many high value products like polyunsaturated fatty acids, pigments or polysaccharides. Major cultivation of microalgae is carried out in open raceway ponds. Conventional raceway pond designs with paddle wheels have limitations such as high capital investment, inefficient mixing, lower depth (approximately 0.3 m) and lower productivity. In the present work, a modified high depth (1 m) raceway pond design with side entry axial flow impeller has been studied. The higher depth decreases the land requirement as well as capital cost. The pilot scale (4.5 m3) studies for cultivation of Spirullinaplatensis in nutrient rich Zarrouk's culture media have shown productivity of 21.22 gm/m2/day compared to 11.05 gm/m2/day in convectional raceway ponds. The specific power consumption was found to be 4 W/gm in modified design compared to 6 W/gm in conventional design. Computational Fluid Dynamics (CFD) analysis shows that modified design minimized the excessive turbulence generation and provided higher convective currents keeping biomass in suspension. The simulation results have been validated with ultrasonic velocity profiler (UVP) and particle image velocimetry (PIV) measurements. Algae Raceway pond Hydrofoil Computational fluid dynamics Mixing Khadamkar, H.P. verfasserin aut Mathpati, C.S. verfasserin aut Pandit, Reena verfasserin aut Lali, A.M. verfasserin aut Enthalten in Renewable energy Amsterdam [u.a.] : Elsevier Science, 1991 118, Seite 152-159 Online-Ressource (DE-627)320412091 (DE-600)2001449-1 (DE-576)252613937 1879-0682 nnns volume:118 pages:152-159 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 52.56 Regenerative Energieformen alternative Energieformen AR 118 152-159 |
allfields_unstemmed |
10.1016/j.renene.2017.11.015 doi (DE-627)ELV001055372 (ELSEVIER)S0960-1481(17)31116-3 DE-627 ger DE-627 rda eng 530 620 DE-600 52.56 bkl Sawant, S.S. verfasserin aut Computational and experimental studies of high depth algal raceway pond photo-bioreactor 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Microalgae are promising candidate for biofuels as well as precursors for many high value products like polyunsaturated fatty acids, pigments or polysaccharides. Major cultivation of microalgae is carried out in open raceway ponds. Conventional raceway pond designs with paddle wheels have limitations such as high capital investment, inefficient mixing, lower depth (approximately 0.3 m) and lower productivity. In the present work, a modified high depth (1 m) raceway pond design with side entry axial flow impeller has been studied. The higher depth decreases the land requirement as well as capital cost. The pilot scale (4.5 m3) studies for cultivation of Spirullinaplatensis in nutrient rich Zarrouk's culture media have shown productivity of 21.22 gm/m2/day compared to 11.05 gm/m2/day in convectional raceway ponds. The specific power consumption was found to be 4 W/gm in modified design compared to 6 W/gm in conventional design. Computational Fluid Dynamics (CFD) analysis shows that modified design minimized the excessive turbulence generation and provided higher convective currents keeping biomass in suspension. The simulation results have been validated with ultrasonic velocity profiler (UVP) and particle image velocimetry (PIV) measurements. Algae Raceway pond Hydrofoil Computational fluid dynamics Mixing Khadamkar, H.P. verfasserin aut Mathpati, C.S. verfasserin aut Pandit, Reena verfasserin aut Lali, A.M. verfasserin aut Enthalten in Renewable energy Amsterdam [u.a.] : Elsevier Science, 1991 118, Seite 152-159 Online-Ressource (DE-627)320412091 (DE-600)2001449-1 (DE-576)252613937 1879-0682 nnns volume:118 pages:152-159 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 52.56 Regenerative Energieformen alternative Energieformen AR 118 152-159 |
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10.1016/j.renene.2017.11.015 doi (DE-627)ELV001055372 (ELSEVIER)S0960-1481(17)31116-3 DE-627 ger DE-627 rda eng 530 620 DE-600 52.56 bkl Sawant, S.S. verfasserin aut Computational and experimental studies of high depth algal raceway pond photo-bioreactor 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Microalgae are promising candidate for biofuels as well as precursors for many high value products like polyunsaturated fatty acids, pigments or polysaccharides. Major cultivation of microalgae is carried out in open raceway ponds. Conventional raceway pond designs with paddle wheels have limitations such as high capital investment, inefficient mixing, lower depth (approximately 0.3 m) and lower productivity. In the present work, a modified high depth (1 m) raceway pond design with side entry axial flow impeller has been studied. The higher depth decreases the land requirement as well as capital cost. The pilot scale (4.5 m3) studies for cultivation of Spirullinaplatensis in nutrient rich Zarrouk's culture media have shown productivity of 21.22 gm/m2/day compared to 11.05 gm/m2/day in convectional raceway ponds. The specific power consumption was found to be 4 W/gm in modified design compared to 6 W/gm in conventional design. Computational Fluid Dynamics (CFD) analysis shows that modified design minimized the excessive turbulence generation and provided higher convective currents keeping biomass in suspension. The simulation results have been validated with ultrasonic velocity profiler (UVP) and particle image velocimetry (PIV) measurements. Algae Raceway pond Hydrofoil Computational fluid dynamics Mixing Khadamkar, H.P. verfasserin aut Mathpati, C.S. verfasserin aut Pandit, Reena verfasserin aut Lali, A.M. verfasserin aut Enthalten in Renewable energy Amsterdam [u.a.] : Elsevier Science, 1991 118, Seite 152-159 Online-Ressource (DE-627)320412091 (DE-600)2001449-1 (DE-576)252613937 1879-0682 nnns volume:118 pages:152-159 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 52.56 Regenerative Energieformen alternative Energieformen AR 118 152-159 |
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10.1016/j.renene.2017.11.015 doi (DE-627)ELV001055372 (ELSEVIER)S0960-1481(17)31116-3 DE-627 ger DE-627 rda eng 530 620 DE-600 52.56 bkl Sawant, S.S. verfasserin aut Computational and experimental studies of high depth algal raceway pond photo-bioreactor 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Microalgae are promising candidate for biofuels as well as precursors for many high value products like polyunsaturated fatty acids, pigments or polysaccharides. Major cultivation of microalgae is carried out in open raceway ponds. Conventional raceway pond designs with paddle wheels have limitations such as high capital investment, inefficient mixing, lower depth (approximately 0.3 m) and lower productivity. In the present work, a modified high depth (1 m) raceway pond design with side entry axial flow impeller has been studied. The higher depth decreases the land requirement as well as capital cost. The pilot scale (4.5 m3) studies for cultivation of Spirullinaplatensis in nutrient rich Zarrouk's culture media have shown productivity of 21.22 gm/m2/day compared to 11.05 gm/m2/day in convectional raceway ponds. The specific power consumption was found to be 4 W/gm in modified design compared to 6 W/gm in conventional design. Computational Fluid Dynamics (CFD) analysis shows that modified design minimized the excessive turbulence generation and provided higher convective currents keeping biomass in suspension. The simulation results have been validated with ultrasonic velocity profiler (UVP) and particle image velocimetry (PIV) measurements. Algae Raceway pond Hydrofoil Computational fluid dynamics Mixing Khadamkar, H.P. verfasserin aut Mathpati, C.S. verfasserin aut Pandit, Reena verfasserin aut Lali, A.M. verfasserin aut Enthalten in Renewable energy Amsterdam [u.a.] : Elsevier Science, 1991 118, Seite 152-159 Online-Ressource (DE-627)320412091 (DE-600)2001449-1 (DE-576)252613937 1879-0682 nnns volume:118 pages:152-159 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 52.56 Regenerative Energieformen alternative Energieformen AR 118 152-159 |
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Sawant, S.S. @@aut@@ Khadamkar, H.P. @@aut@@ Mathpati, C.S. @@aut@@ Pandit, Reena @@aut@@ Lali, A.M. @@aut@@ |
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computational and experimental studies of high depth algal raceway pond photo-bioreactor |
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Computational and experimental studies of high depth algal raceway pond photo-bioreactor |
abstract |
Microalgae are promising candidate for biofuels as well as precursors for many high value products like polyunsaturated fatty acids, pigments or polysaccharides. Major cultivation of microalgae is carried out in open raceway ponds. Conventional raceway pond designs with paddle wheels have limitations such as high capital investment, inefficient mixing, lower depth (approximately 0.3 m) and lower productivity. In the present work, a modified high depth (1 m) raceway pond design with side entry axial flow impeller has been studied. The higher depth decreases the land requirement as well as capital cost. The pilot scale (4.5 m3) studies for cultivation of Spirullinaplatensis in nutrient rich Zarrouk's culture media have shown productivity of 21.22 gm/m2/day compared to 11.05 gm/m2/day in convectional raceway ponds. The specific power consumption was found to be 4 W/gm in modified design compared to 6 W/gm in conventional design. Computational Fluid Dynamics (CFD) analysis shows that modified design minimized the excessive turbulence generation and provided higher convective currents keeping biomass in suspension. The simulation results have been validated with ultrasonic velocity profiler (UVP) and particle image velocimetry (PIV) measurements. |
abstractGer |
Microalgae are promising candidate for biofuels as well as precursors for many high value products like polyunsaturated fatty acids, pigments or polysaccharides. Major cultivation of microalgae is carried out in open raceway ponds. Conventional raceway pond designs with paddle wheels have limitations such as high capital investment, inefficient mixing, lower depth (approximately 0.3 m) and lower productivity. In the present work, a modified high depth (1 m) raceway pond design with side entry axial flow impeller has been studied. The higher depth decreases the land requirement as well as capital cost. The pilot scale (4.5 m3) studies for cultivation of Spirullinaplatensis in nutrient rich Zarrouk's culture media have shown productivity of 21.22 gm/m2/day compared to 11.05 gm/m2/day in convectional raceway ponds. The specific power consumption was found to be 4 W/gm in modified design compared to 6 W/gm in conventional design. Computational Fluid Dynamics (CFD) analysis shows that modified design minimized the excessive turbulence generation and provided higher convective currents keeping biomass in suspension. The simulation results have been validated with ultrasonic velocity profiler (UVP) and particle image velocimetry (PIV) measurements. |
abstract_unstemmed |
Microalgae are promising candidate for biofuels as well as precursors for many high value products like polyunsaturated fatty acids, pigments or polysaccharides. Major cultivation of microalgae is carried out in open raceway ponds. Conventional raceway pond designs with paddle wheels have limitations such as high capital investment, inefficient mixing, lower depth (approximately 0.3 m) and lower productivity. In the present work, a modified high depth (1 m) raceway pond design with side entry axial flow impeller has been studied. The higher depth decreases the land requirement as well as capital cost. The pilot scale (4.5 m3) studies for cultivation of Spirullinaplatensis in nutrient rich Zarrouk's culture media have shown productivity of 21.22 gm/m2/day compared to 11.05 gm/m2/day in convectional raceway ponds. The specific power consumption was found to be 4 W/gm in modified design compared to 6 W/gm in conventional design. Computational Fluid Dynamics (CFD) analysis shows that modified design minimized the excessive turbulence generation and provided higher convective currents keeping biomass in suspension. The simulation results have been validated with ultrasonic velocity profiler (UVP) and particle image velocimetry (PIV) measurements. |
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|
score |
7.40176 |