Biodigester Sizing - Revision history

Marcin: /* 24 People */

2025-05-18T01:07:17Z

24 People

← Older revision		Revision as of 01:07, 18 May 2025
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	*It seems that septic tank calculations allow for no retention time, just one day's hold. This makes sense if solids settle on a daily basis, so that discharge water is not too loaded. [https://www.google.com/search?q=how+many+gallon+septic+tank+for+50+people&sca_esv=6b59915f74dbdb30&sxsrf=AHTn8zrnlydAQDl0VLxWXZcQK1OmQuNxfA%3A1747529064495&ei=aC0paL-HHv_Tp84P0KCY4Q4&ved=0ahUKEwi_2_6I5auNAxX_6ckDHVAQJuwQ4dUDCBA&uact=5&oq=how+many+gallon+septic+tank+for+50+people&gs_lp=Egxnd3Mtd2l6LXNlcnAiKWhvdyBtYW55IGdhbGxvbiBzZXB0aWMgdGFuayBmb3IgNTAgcGVvcGxlSJoJUOQFWKAIcAF4AZABAJgBWaABsQGqAQEyuAEDyAEA-AEBmAIBoAIGwgIKEAAYsAMY1gQYR5gDAIgGAZAGCJIHATGgB1qyBwC4BwDCBwMyLTHIBwQ&sclient=gws-wiz-serp]		*It seems that septic tank calculations allow for no retention time, just one day's hold. This makes sense if solids settle on a daily basis, so that discharge water is not too loaded. [https://www.google.com/search?q=how+many+gallon+septic+tank+for+50+people&sca_esv=6b59915f74dbdb30&sxsrf=AHTn8zrnlydAQDl0VLxWXZcQK1OmQuNxfA%3A1747529064495&ei=aC0paL-HHv_Tp84P0KCY4Q4&ved=0ahUKEwi_2_6I5auNAxX_6ckDHVAQJuwQ4dUDCBA&uact=5&oq=how+many+gallon+septic+tank+for+50+people&gs_lp=Egxnd3Mtd2l6LXNlcnAiKWhvdyBtYW55IGdhbGxvbiBzZXB0aWMgdGFuayBmb3IgNTAgcGVvcGxlSJoJUOQFWKAIcAF4AZABAJgBWaABsQGqAQEyuAEDyAEA-AEBmAIBoAIGwgIKEAAYsAMY1gQYR5gDAIgGAZAGCJIHATGgB1qyBwC4BwDCBwMyLTHIBwQ&sclient=gws-wiz-serp]
	*Design: send shower and wash sink water directly to septic fertigation. Toilet water goes into digester.		*Design: send shower and wash sink water directly to septic fertigation. Toilet water goes into digester.
	*~~Common figure is 100 liters~~ per person per day ~~[https://www~~.~~blueflamebiodigesters~~.~~com/biodigester-~~septic~~-tank/?v=a2e1f137298d#:~:text=Population%20(Volume=%20Population%20x%20100liter~~,~~Possibility%20of%20future%20expansion]~~		*If we produce 5 gallons per person per day or about 100 gallons per day - a 2000 gallon (8 tote) gets us 20 days of detention time. But if solids sink and we are baffled, effective retention time is much greater and we are good to go.
			*Conclusion: bath and shower water to septic fertigation, and kitchen sink + toilets to biodigester.

Marcin: /* 24 People */

2025-05-18T00:54:59Z

24 People

← Older revision		Revision as of 00:54, 18 May 2025
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	*It seems that septic tank calculations allow for no retention time, just one day's hold. This makes sense if solids settle on a daily basis, so that discharge water is not too loaded. [https://www.google.com/search?q=how+many+gallon+septic+tank+for+50+people&sca_esv=6b59915f74dbdb30&sxsrf=AHTn8zrnlydAQDl0VLxWXZcQK1OmQuNxfA%3A1747529064495&ei=aC0paL-HHv_Tp84P0KCY4Q4&ved=0ahUKEwi_2_6I5auNAxX_6ckDHVAQJuwQ4dUDCBA&uact=5&oq=how+many+gallon+septic+tank+for+50+people&gs_lp=Egxnd3Mtd2l6LXNlcnAiKWhvdyBtYW55IGdhbGxvbiBzZXB0aWMgdGFuayBmb3IgNTAgcGVvcGxlSJoJUOQFWKAIcAF4AZABAJgBWaABsQGqAQEyuAEDyAEA-AEBmAIBoAIGwgIKEAAYsAMY1gQYR5gDAIgGAZAGCJIHATGgB1qyBwC4BwDCBwMyLTHIBwQ&sclient=gws-wiz-serp]		*It seems that septic tank calculations allow for no retention time, just one day's hold. This makes sense if solids settle on a daily basis, so that discharge water is not too loaded. [https://www.google.com/search?q=how+many+gallon+septic+tank+for+50+people&sca_esv=6b59915f74dbdb30&sxsrf=AHTn8zrnlydAQDl0VLxWXZcQK1OmQuNxfA%3A1747529064495&ei=aC0paL-HHv_Tp84P0KCY4Q4&ved=0ahUKEwi_2_6I5auNAxX_6ckDHVAQJuwQ4dUDCBA&uact=5&oq=how+many+gallon+septic+tank+for+50+people&gs_lp=Egxnd3Mtd2l6LXNlcnAiKWhvdyBtYW55IGdhbGxvbiBzZXB0aWMgdGFuayBmb3IgNTAgcGVvcGxlSJoJUOQFWKAIcAF4AZABAJgBWaABsQGqAQEyuAEDyAEA-AEBmAIBoAIGwgIKEAAYsAMY1gQYR5gDAIgGAZAGCJIHATGgB1qyBwC4BwDCBwMyLTHIBwQ&sclient=gws-wiz-serp]
	*Design: send shower and wash sink water directly to septic fertigation. Toilet water goes into digester.		*Design: send shower and wash sink water directly to septic fertigation. Toilet water goes into digester.
			*Common figure is 100 liters per person per day [https://www.blueflamebiodigesters.com/biodigester-septic-tank/?v=a2e1f137298d#:~:text=Population%20(Volume=%20Population%20x%20100liter,Possibility%20of%20future%20expansion]

Marcin: /* 24 People */

2025-05-18T00:50:41Z

24 People

← Older revision		Revision as of 00:50, 18 May 2025
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	Biodigester waste is held for 30 days. 24 people 4 gal = about 100 gpd. The actual solids, if they settle, they stay as long as they like - there is only under a liter of feces per day [https://www.google.com/search?sxsrf=ALeKk026QG9BbsZl0rNsBS9KmerMgczY_w%3A1602863734253&source=hp&ei=dsKJX6q8DJDYsAXHkpG4Cw&q=how+many+liters+of+feces+per+person+per+day&btnK=Google+Search&oq=how+to+configure+nvidia+geforce+gtx+1650+super+on+linux+mint&gs_lcp=CgZwc3ktYWIQAzIFCCEQoAEyBQghEKsCMgUIIRCrAjoOCAAQ6gIQtAIQmgEQ5QI6DgguELEDEMcBEKMCEJMCOggILhDHARCvAToLCC4QsQMQxwEQowI6CAgAELEDEIMBOggILhCxAxCDAToFCAAQsQM6AggAOgQIABAKOgYIABAWEB46CAghEBYQHRAeOgcIIRAKEKABUMsQWOmzAWD8tAFoBnAAeACAAeQGiAGhS5IBDTExLjQ3LjMuMi42LTGYAQCgAQGqAQdnd3Mtd2l6sAEG&sclient=psy-ab&ved=0ahUKEwiqz4DcvLnsAhUQLKwKHUdJBLcQ4dUDCAk&uact=5].		Biodigester waste is held for 30 days. 24 people 4 gal = about 100 gpd. The actual solids, if they settle, they stay as long as they like - there is only under a liter of feces per day [https://www.google.com/search?sxsrf=ALeKk026QG9BbsZl0rNsBS9KmerMgczY_w%3A1602863734253&source=hp&ei=dsKJX6q8DJDYsAXHkpG4Cw&q=how+many+liters+of+feces+per+person+per+day&btnK=Google+Search&oq=how+to+configure+nvidia+geforce+gtx+1650+super+on+linux+mint&gs_lcp=CgZwc3ktYWIQAzIFCCEQoAEyBQghEKsCMgUIIRCrAjoOCAAQ6gIQtAIQmgEQ5QI6DgguELEDEMcBEKMCEJMCOggILhDHARCvAToLCC4QsQMQxwEQowI6CAgAELEDEIMBOggILhCxAxCDAToFCAAQsQM6AggAOgQIABAKOgYIABAWEB46CAghEBYQHRAeOgcIIRAKEKABUMsQWOmzAWD8tAFoBnAAeACAAeQGiAGhS5IBDTExLjQ3LjMuMi42LTGYAQCgAQGqAQdnd3Mtd2l6sAEG&sclient=psy-ab&ved=0ahUKEwiqz4DcvLnsAhUQLKwKHUdJBLcQ4dUDCAk&uact=5].
	*It seems that septic tank calculations allow for no retention time, just one day's hold. This makes sense if solids settle on a daily basis, so that discharge water is not too loaded. [https://www.google.com/search?q=how+many+gallon+septic+tank+for+50+people&sca_esv=6b59915f74dbdb30&sxsrf=AHTn8zrnlydAQDl0VLxWXZcQK1OmQuNxfA%3A1747529064495&ei=aC0paL-HHv_Tp84P0KCY4Q4&ved=0ahUKEwi_2_6I5auNAxX_6ckDHVAQJuwQ4dUDCBA&uact=5&oq=how+many+gallon+septic+tank+for+50+people&gs_lp=Egxnd3Mtd2l6LXNlcnAiKWhvdyBtYW55IGdhbGxvbiBzZXB0aWMgdGFuayBmb3IgNTAgcGVvcGxlSJoJUOQFWKAIcAF4AZABAJgBWaABsQGqAQEyuAEDyAEA-AEBmAIBoAIGwgIKEAAYsAMY1gQYR5gDAIgGAZAGCJIHATGgB1qyBwC4BwDCBwMyLTHIBwQ&sclient=gws-wiz-serp]		*It seems that septic tank calculations allow for no retention time, just one day's hold. This makes sense if solids settle on a daily basis, so that discharge water is not too loaded. [https://www.google.com/search?q=how+many+gallon+septic+tank+for+50+people&sca_esv=6b59915f74dbdb30&sxsrf=AHTn8zrnlydAQDl0VLxWXZcQK1OmQuNxfA%3A1747529064495&ei=aC0paL-HHv_Tp84P0KCY4Q4&ved=0ahUKEwi_2_6I5auNAxX_6ckDHVAQJuwQ4dUDCBA&uact=5&oq=how+many+gallon+septic+tank+for+50+people&gs_lp=Egxnd3Mtd2l6LXNlcnAiKWhvdyBtYW55IGdhbGxvbiBzZXB0aWMgdGFuayBmb3IgNTAgcGVvcGxlSJoJUOQFWKAIcAF4AZABAJgBWaABsQGqAQEyuAEDyAEA-AEBmAIBoAIGwgIKEAAYsAMY1gQYR5gDAIgGAZAGCJIHATGgB1qyBwC4BwDCBwMyLTHIBwQ&sclient=gws-wiz-serp]
			*Design: send shower and wash sink water directly to septic fertigation. Toilet water goes into digester.

Marcin: /* 24 People */

2025-05-18T00:48:38Z

24 People

← Older revision		Revision as of 00:48, 18 May 2025
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	*For toilet water - we have 4 gallon max per person per day - at 0.5 gpf for liquids.		*For toilet water - we have 4 gallon max per person per day - at 0.5 gpf for liquids.
	*Shower water goes directly to septic fertigation		*Shower water goes directly to septic fertigation
	Biodigester waste is held for 30 days. 24 people 4 gal = about 100 gpd.		Biodigester waste is held for 30 days. 24 people 4 gal = about 100 gpd. The actual solids, if they settle, they stay as long as they like - there is only under a liter of feces per day [https://www.google.com/search?sxsrf=ALeKk026QG9BbsZl0rNsBS9KmerMgczY_w%3A1602863734253&source=hp&ei=dsKJX6q8DJDYsAXHkpG4Cw&q=how+many+liters+of+feces+per+person+per+day&btnK=Google+Search&oq=how+to+configure+nvidia+geforce+gtx+1650+super+on+linux+mint&gs_lcp=CgZwc3ktYWIQAzIFCCEQoAEyBQghEKsCMgUIIRCrAjoOCAAQ6gIQtAIQmgEQ5QI6DgguELEDEMcBEKMCEJMCOggILhDHARCvAToLCC4QsQMQxwEQowI6CAgAELEDEIMBOggILhCxAxCDAToFCAAQsQM6AggAOgQIABAKOgYIABAWEB46CAghEBYQHRAeOgcIIRAKEKABUMsQWOmzAWD8tAFoBnAAeACAAeQGiAGhS5IBDTExLjQ3LjMuMi42LTGYAQCgAQGqAQdnd3Mtd2l6sAEG&sclient=psy-ab&ved=0ahUKEwiqz4DcvLnsAhUQLKwKHUdJBLcQ4dUDCAk&uact=5].
	*It seems that septic tank calculations allow for no retention time, just one day's hold. This makes sense if solids settle on a daily basis, so that discharge water is not too loaded. [https://www.google.com/search?q=how+many+gallon+septic+tank+for+50+people&sca_esv=6b59915f74dbdb30&sxsrf=AHTn8zrnlydAQDl0VLxWXZcQK1OmQuNxfA%3A1747529064495&ei=aC0paL-HHv_Tp84P0KCY4Q4&ved=0ahUKEwi_2_6I5auNAxX_6ckDHVAQJuwQ4dUDCBA&uact=5&oq=how+many+gallon+septic+tank+for+50+people&gs_lp=Egxnd3Mtd2l6LXNlcnAiKWhvdyBtYW55IGdhbGxvbiBzZXB0aWMgdGFuayBmb3IgNTAgcGVvcGxlSJoJUOQFWKAIcAF4AZABAJgBWaABsQGqAQEyuAEDyAEA-AEBmAIBoAIGwgIKEAAYsAMY1gQYR5gDAIgGAZAGCJIHATGgB1qyBwC4BwDCBwMyLTHIBwQ&sclient=gws-wiz-serp]		*It seems that septic tank calculations allow for no retention time, just one day's hold. This makes sense if solids settle on a daily basis, so that discharge water is not too loaded. [https://www.google.com/search?q=how+many+gallon+septic+tank+for+50+people&sca_esv=6b59915f74dbdb30&sxsrf=AHTn8zrnlydAQDl0VLxWXZcQK1OmQuNxfA%3A1747529064495&ei=aC0paL-HHv_Tp84P0KCY4Q4&ved=0ahUKEwi_2_6I5auNAxX_6ckDHVAQJuwQ4dUDCBA&uact=5&oq=how+many+gallon+septic+tank+for+50+people&gs_lp=Egxnd3Mtd2l6LXNlcnAiKWhvdyBtYW55IGdhbGxvbiBzZXB0aWMgdGFuayBmb3IgNTAgcGVvcGxlSJoJUOQFWKAIcAF4AZABAJgBWaABsQGqAQEyuAEDyAEA-AEBmAIBoAIGwgIKEAAYsAMY1gQYR5gDAIgGAZAGCJIHATGgB1qyBwC4BwDCBwMyLTHIBwQ&sclient=gws-wiz-serp]

Marcin: Created page with "=300 People= *About 7 cubic meters for 300 people boarding school in the tropics - [https://rutherfordrenewables.co.uk/how-to-calculate-the-size-of-an-anaerobic-digester-tank..."

2025-05-18T00:46:58Z

Created page with "=300 People= *About 7 cubic meters for 300 people boarding school in the tropics - [https://rutherfordrenewables.co.uk/how-to-calculate-the-size-of-an-anaerobic-digester-tank..."

New page

=300 People=

*About 7 cubic meters for 300 people boarding school in the tropics - [https://rutherfordrenewables.co.uk/how-to-calculate-the-size-of-an-anaerobic-digester-tank/]

=24 People=

*For toilet water - we have 4 gallon max per person per day - at 0.5 gpf for liquids.
*Shower water goes directly to septic fertigation
*Biodigester waste is held for 30 days. 24 people *4 gal = about 100 gpd.
*It seems that septic tank calculations allow for no retention time, just one day's hold. This makes sense if solids settle on a daily basis, so that discharge water is not too loaded. [https://www.google.com/search?q=how+many+gallon+septic+tank+for+50+people&sca_esv=6b59915f74dbdb30&sxsrf=AHTn8zrnlydAQDl0VLxWXZcQK1OmQuNxfA%3A1747529064495&ei=aC0paL-HHv_Tp84P0KCY4Q4&ved=0ahUKEwi_2_6I5auNAxX_6ckDHVAQJuwQ4dUDCBA&uact=5&oq=how+many+gallon+septic+tank+for+50+people&gs_lp=Egxnd3Mtd2l6LXNlcnAiKWhvdyBtYW55IGdhbGxvbiBzZXB0aWMgdGFuayBmb3IgNTAgcGVvcGxlSJoJUOQFWKAIcAF4AZABAJgBWaABsQGqAQEyuAEDyAEA-AEBmAIBoAIGwgIKEAAYsAMY1gQYR5gDAIgGAZAGCJIHATGgB1qyBwC4BwDCBwMyLTHIBwQ&sclient=gws-wiz-serp]