Separating Toilet: Difference between revisions
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=Basics= | =Basics= | ||
A modern flush toilet that seperates urine from feces for use in applications (such as composting toilets, or biodigesters) where a urine-feces mix could lead to unbalances of chemicals. This innovation allows for the use of a regular flush toilet, and converting it to a separating toiled without any modification of the toilet - but only the plumbing below. This allows the use of a standard $100 toilet to achieve the separation function - instead of using a specialized $1000 separating toilet. | |||
=Used For= | =Used For= | ||
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*[[Squatting Separating Toilet]], with wash water collection - [https://www.flickr.com/photos/gtzecosan/3284846314] | *[[Squatting Separating Toilet]], with wash water collection - [https://www.flickr.com/photos/gtzecosan/3284846314] | ||
= | =Working Design Document= | ||
Note: we figured how to implement a urine separating function without modifying the flush toilet proper. Pages on toilet modification are for design study only, not for replication. | |||
<html><iframe src="https://docs.google.com/presentation/d/1gczRsvhTyyc3qC2OeHY5YMpBF1Z4t1apk9buOVSBSVs/embed?start=false&loop=false&delayms=3000" frameborder="0" width="960" height="569" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe></html> | <html><iframe src="https://docs.google.com/presentation/d/1gczRsvhTyyc3qC2OeHY5YMpBF1Z4t1apk9buOVSBSVs/embed?start=false&loop=false&delayms=3000" frameborder="0" width="960" height="569" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe></html> | ||
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[https://docs.google.com/presentation/d/1gczRsvhTyyc3qC2OeHY5YMpBF1Z4t1apk9buOVSBSVs/edit#slide=id.g218dea5e0a_0_56 edit] | [https://docs.google.com/presentation/d/1gczRsvhTyyc3qC2OeHY5YMpBF1Z4t1apk9buOVSBSVs/edit#slide=id.g218dea5e0a_0_56 edit] | ||
= | =Diagram + Operation= | ||
<html><iframe src="https://docs.google.com/presentation/d/e/2PACX-1vQN79iWjjYSEjPdsk2f-X2ocI8-Wn0pNUDFPgQBebOvkVVQfqohmTgdacJ0aPa1v48mGERrElMEBcxH/embed?start=false&loop=false&delayms=3000" frameborder="0" width=" | |||
Study this carefully to understand the points of logic: | |||
#Weep hole sends urine down the drain | |||
#Pressurized water at 50 PSI backflushes the weep hole via a washer solenoid - whenever feces are flushed so that the weep hole does not plug | |||
#Feces are pumped actively via a macerating lift pump and enter the biodigester via 1" PVC pipe. Check valve after the pump prevents backwash from biodigester plumbing, where biodigester is loaded from the top | |||
#Flush without active pumping is used for urine | |||
#Small or big flush can be used on a dual flush toiled | |||
<html><iframe src="https://docs.google.com/presentation/d/e/2PACX-1vQN79iWjjYSEjPdsk2f-X2ocI8-Wn0pNUDFPgQBebOvkVVQfqohmTgdacJ0aPa1v48mGERrElMEBcxH/embed?start=false&loop=false&delayms=3000" frameborder="0" width="960" height="600" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe></html> | |||
[https://docs.google.com/presentation/d/1EOvzyKJc4Kf_HPJbuqpFyB0ppLqtfVTCA7crG2zIzqU/edit#slide=id.g1861bf60d5_0_6 edit] | [https://docs.google.com/presentation/d/1EOvzyKJc4Kf_HPJbuqpFyB0ppLqtfVTCA7crG2zIzqU/edit#slide=id.g1861bf60d5_0_6 edit] | ||
=Industry Standards= | |||
*Separating toilets are common | |||
*No other biodigester-connected separating toiled for the temperate zone is known to the authors | |||
=BOM= | =BOM= | ||
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*Hose Clamps | *Hose Clamps | ||
= | =Links= | ||
* | *[[Open Source Cleanliness and Sanitation Construction Set]] | ||
*[https://en.wikipedia.org/wiki/Urine_diversion Wikipedia Page on Urine Diversion, which goes over the wet and dry versions of this system] | *[https://en.wikipedia.org/wiki/Urine_diversion Wikipedia Page on Urine Diversion, which goes over the wet and dry versions of this system] | ||
*[[Seed Eco-Home]] | |||
Latest revision as of 21:58, 4 April 2020
Basics
A modern flush toilet that seperates urine from feces for use in applications (such as composting toilets, or biodigesters) where a urine-feces mix could lead to unbalances of chemicals. This innovation allows for the use of a regular flush toilet, and converting it to a separating toiled without any modification of the toilet - but only the plumbing below. This allows the use of a standard $100 toilet to achieve the separation function - instead of using a specialized $1000 separating toilet.
Used For
Industry Standards
- Squatting Separating Toilet, with wash water collection - [1]
Working Design Document
Note: we figured how to implement a urine separating function without modifying the flush toilet proper. Pages on toilet modification are for design study only, not for replication.
Diagram + Operation
Study this carefully to understand the points of logic:
- Weep hole sends urine down the drain
- Pressurized water at 50 PSI backflushes the weep hole via a washer solenoid - whenever feces are flushed so that the weep hole does not plug
- Feces are pumped actively via a macerating lift pump and enter the biodigester via 1" PVC pipe. Check valve after the pump prevents backwash from biodigester plumbing, where biodigester is loaded from the top
- Flush without active pumping is used for urine
- Small or big flush can be used on a dual flush toiled
Industry Standards
- Separating toilets are common
- No other biodigester-connected separating toiled for the temperate zone is known to the authors
BOM
- 1/2" NPT to PEX valve - Supply House - [2] - or locally at Menards
- Spade terminals
- Hose Clamps