Marti-Herrero et al 2018a - Revision history

Cinmemj: Cinmemj moved page Draft Samper 120477832 to Marti-Herrero et al 2018a

2020-06-19T09:58:39Z

Cinmemj moved page Draft Samper 120477832 to Marti-Herrero et al 2018a

Cinmemj at 09:55, 19 June 2020

2020-06-19T09:55:28Z

Cinmemj at 09:55, 19 June 2020

2020-06-19T09:55:01Z

Cinmemj at 09:54, 19 June 2020

2020-06-19T09:54:13Z

Cinmemj at 09:53, 19 June 2020

2020-06-19T09:53:13Z

Cinmemj: Created page with "==1 Title, abstract and keywords

← Older revision		Revision as of 09:55, 19 June 2020
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	==Abstract==		==Abstract==

−	The aim of this research is to identify the operational conditions and performance of low cost tubular digesters producing biogas from the slaughterhouse wastewater treatment. Three full scale sequenced tubular digesters (of more than <math>8m^3</math> each), operating in a slaughterhouse in Cochabamba (Bolivia), have been monitored during one year. The Organic Load Rate (OLR) varied from <math>0.04</math> to <math>1.13 kgSV/m^3d</math> (<math>0.04-1.07 kgCOD/m^3d</math>), and the Hydraulic Retention Time (HRT) from <math>3.2</math> to <math>87.4</math> days. The passive solar heating design considered drove the slurry temperature to <math>27^oC</math>, <math>8^oC</math> more than mean ambient temperature. The first digester has been filled with soda bottle plastic rings in order to increase the internal effective surface and evaluate, obtaining that an increment in <math>67%</math> of the internal effective surface, more than doubles the biogas production and enables higher OLRs. A Biogas Production Rate (BPR) peak of <math>0.2m^3/m^3d</math> was observed for <math>OLR=0.37 kgSV/m^3d</math>, <math>HRT=9.7d</math> and Specific Biogas Production (SBP) <math>= 0.55m^3/kgSV</math>. COD removal achieves values above <math>70%</math> from <math>HRT>19</math> d. A comparison with other anaerobic digestion technologies demonstrates that low cost tubular digesters with biofilm carriers, are competitive for <math>OLR<0.5</math> kg <math>COD/m^3d</math> of biogas production, and for <math>0.25 kgCOD/m^3d</math>, when the focus is on COD removal.	+	The aim of this research is to identify the operational conditions and performance of low cost tubular digesters producing biogas from the slaughterhouse wastewater treatment. Three full scale sequenced tubular digesters (of more than <math>8m^3</math> each), operating in a slaughterhouse in Cochabamba (Bolivia), have been monitored during one year. The Organic Load Rate (OLR) varied from <math>0.04</math> to <math>1.13 kgSV/m^3d</math> (<math>0.04-1.07 kgCOD/m^3d</math>), and the Hydraulic Retention Time (HRT) from <math>3.2</math> to <math>87.4</math> days. The passive solar heating design considered drove the slurry temperature to <math>27^oC</math>, <math>8^oC</math> more than mean ambient temperature. The first digester has been filled with soda bottle plastic rings in order to increase the internal effective surface and evaluate, obtaining that an increment in <math>67%</math> of the internal effective surface, more than doubles the biogas production and enables higher OLRs. A Biogas Production Rate (BPR) peak of <math>0.2m^3/m^3d</math> was observed for <math>OLR=0.37 kgSV/m^3d</math>, <math>HRT=9.7d</math> and Specific Biogas Production (SBP) <math>=0.55m^3/kgSV</math>. COD removal achieves values above <math>70%</math> from <math>HRT>19</math> d. A comparison with other anaerobic digestion technologies demonstrates that low cost tubular digesters with biofilm carriers, are competitive for <math>OLR<0.5</math> kg <math>COD/m^3d</math> of biogas production, and for <math>0.25 kgCOD/m^3d</math>, when the focus is on COD removal.

← Older revision		Revision as of 09:55, 19 June 2020
Line 1:		Line 1:
	==Abstract==		==Abstract==

−	The aim of this research is to identify the operational conditions and performance of low cost tubular digesters producing biogas from the slaughterhouse wastewater treatment. Three full scale sequenced tubular digesters (of more than <math>8m^3</math> each), operating in a slaughterhouse in Cochabamba (Bolivia), have been monitored during one year. The Organic Load Rate (OLR) varied from <math>0.04</math> to <math>1.13 kgSV/m^3d</math> (<math>0.04-1.07 kgCOD/m^3d</math>), and the Hydraulic Retention Time (HRT) from <math>3.2</math> to <math>87.4</math> days. The passive solar heating design considered drove the slurry temperature to <math>27^oC</math>, <math>8^oC</math> more than mean ambient temperature. The first digester has been filled with soda bottle plastic rings in order to increase the internal effective surface and evaluate, obtaining that an increment in <math>67%</math> of the internal effective surface, more than doubles the biogas production and enables higher OLRs. A Biogas Production Rate (BPR) peak of <math>0.~~2 m~~^3/m^3d</math> was observed for <math>~~OLR~~ = 0.37 kgSV/m^3d</math>, <math>~~HRT~~ = 9.7d</math> and Specific Biogas Production (SBP) = 0.~~55 m3~~/kgSV. COD removal achieves values above <math>70%</math> from <math>HRT>19</math> d. A comparison with other anaerobic digestion technologies demonstrates that low cost tubular digesters with biofilm carriers, are competitive for <math>OLR<0.5</math> kg <math>COD/m^3d</math> of biogas production, and for <math>0.25 kgCOD/m^3d</math>, when the focus is on COD removal.	+	The aim of this research is to identify the operational conditions and performance of low cost tubular digesters producing biogas from the slaughterhouse wastewater treatment. Three full scale sequenced tubular digesters (of more than <math>8m^3</math> each), operating in a slaughterhouse in Cochabamba (Bolivia), have been monitored during one year. The Organic Load Rate (OLR) varied from <math>0.04</math> to <math>1.13 kgSV/m^3d</math> (<math>0.04-1.07 kgCOD/m^3d</math>), and the Hydraulic Retention Time (HRT) from <math>3.2</math> to <math>87.4</math> days. The passive solar heating design considered drove the slurry temperature to <math>27^oC</math>, <math>8^oC</math> more than mean ambient temperature. The first digester has been filled with soda bottle plastic rings in order to increase the internal effective surface and evaluate, obtaining that an increment in <math>67%</math> of the internal effective surface, more than doubles the biogas production and enables higher OLRs. A Biogas Production Rate (BPR) peak of <math>0.2m^3/m^3d</math> was observed for <math>OLR=0.37 kgSV/m^3d</math>, <math>HRT=9.7d</math> and Specific Biogas Production (SBP) <math>= 0.55m^3/kgSV</math>. COD removal achieves values above <math>70%</math> from <math>HRT>19</math> d. A comparison with other anaerobic digestion technologies demonstrates that low cost tubular digesters with biofilm carriers, are competitive for <math>OLR<0.5</math> kg <math>COD/m^3d</math> of biogas production, and for <math>0.25 kgCOD/m^3d</math>, when the focus is on COD removal.

← Older revision		Revision as of 09:54, 19 June 2020
Line 1:		Line 1:
	==Abstract==		==Abstract==

−	The aim of this research is to identify the operational conditions and performance of low cost tubular digesters producing biogas from the slaughterhouse wastewater treatment. Three full scale sequenced tubular digesters (of more than <math>~~8 m~~^3</math> each), operating in a slaughterhouse in Cochabamba (Bolivia), have been monitored during one year. The Organic Load Rate (OLR) varied from <math>0.04</math> to <math>1.13 kgSV/m^3d</math> (<math>0.04-1.07 kgCOD/m^3d</math>), and the Hydraulic Retention Time (HRT) from <math>3.2</math> to <math>87.4</math> days. The passive solar heating design considered drove the slurry temperature to <math>27^oC</math>, <math>8^oC</math> more than mean ambient temperature. The first digester has been filled with soda bottle plastic rings in order to increase the internal effective surface and evaluate, obtaining that an increment in <math>67%</math> of the internal effective surface, more than doubles the biogas production and enables higher OLRs. A Biogas Production Rate (BPR) peak of <math>0.2 m^3/m^3d</math> was observed for <math>OLR = 0.37 kgSV/m^3d</math>, <math>HRT = 9.7d</math> and Specific Biogas Production (SBP) = 0.55 m3/kgSV. COD removal achieves values above <math>70%</math> from <math>HRT>19</math> d. A comparison with other anaerobic digestion technologies demonstrates that low cost tubular digesters with biofilm carriers, are competitive for <math>OLR<0.5</math> kg <math>COD/m^3d</math> of biogas production, and for <math>0.25 kgCOD/m^3d</math>, when the focus is on COD removal.	+	The aim of this research is to identify the operational conditions and performance of low cost tubular digesters producing biogas from the slaughterhouse wastewater treatment. Three full scale sequenced tubular digesters (of more than <math>8m^3</math> each), operating in a slaughterhouse in Cochabamba (Bolivia), have been monitored during one year. The Organic Load Rate (OLR) varied from <math>0.04</math> to <math>1.13 kgSV/m^3d</math> (<math>0.04-1.07 kgCOD/m^3d</math>), and the Hydraulic Retention Time (HRT) from <math>3.2</math> to <math>87.4</math> days. The passive solar heating design considered drove the slurry temperature to <math>27^oC</math>, <math>8^oC</math> more than mean ambient temperature. The first digester has been filled with soda bottle plastic rings in order to increase the internal effective surface and evaluate, obtaining that an increment in <math>67%</math> of the internal effective surface, more than doubles the biogas production and enables higher OLRs. A Biogas Production Rate (BPR) peak of <math>0.2 m^3/m^3d</math> was observed for <math>OLR = 0.37 kgSV/m^3d</math>, <math>HRT = 9.7d</math> and Specific Biogas Production (SBP) = 0.55 m3/kgSV. COD removal achieves values above <math>70%</math> from <math>HRT>19</math> d. A comparison with other anaerobic digestion technologies demonstrates that low cost tubular digesters with biofilm carriers, are competitive for <math>OLR<0.5</math> kg <math>COD/m^3d</math> of biogas production, and for <math>0.25 kgCOD/m^3d</math>, when the focus is on COD removal.

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-==1 Title, abstract and keywords<!-- Your document should start with a concise and informative title. Titles are often used in information-retrieval systems. Avoid abbreviations and formulae where possible. Capitalize the first word of the title.
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+The aim of this research is to identify the operational conditions and performance of low cost tubular digesters producing biogas from the slaughterhouse wastewater treatment. Three full scale sequenced tubular digesters (of more than <math>8 m^3</math> each), operating in a slaughterhouse in Cochabamba (Bolivia), have been monitored during one year. The Organic Load Rate (OLR) varied from <math>0.04</math> to <math>1.13 kgSV/m^3d</math> (<math>0.04-1.07 kgCOD/m^3d</math>), and the Hydraulic Retention Time (HRT) from <math>3.2</math> to <math>87.4</math> days. The passive solar heating design considered drove the slurry temperature to <math>27^oC</math>, <math>8^oC</math> more than mean ambient temperature. The first digester has been filled with soda bottle plastic rings in order to increase the internal effective surface and evaluate, obtaining that an increment in <math>67%</math> of the internal effective surface, more than doubles the biogas production and enables higher OLRs. A Biogas Production Rate (BPR) peak of <math>0.2 m^3/m^3d</math> was observed for <math>OLR = 0.37 kgSV/m^3d</math>, <math>HRT = 9.7d</math> and Specific Biogas Production (SBP) = 0.55 m3/kgSV. COD removal achieves values above <math>70%</math> from <math>HRT>19</math> d. A comparison with other anaerobic digestion technologies demonstrates that low cost tubular digesters with biofilm carriers, are competitive for <math>OLR<0.5</math> kg <math>COD/m^3d</math> of biogas production, and for <math>0.25 kgCOD/m^3d</math>, when the focus is on COD removal.
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