Difference between revisions of "Clivusmultrum M12 Composting Toilet System"
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Revision as of 10:24, 9 November 2018
Authors:
This system is also called: Keywords: Waterless toilet
Contents
Principles of Operation
Composting is assisted by worms, added 1 year after startup. Toilets are either waterless or foam based and sit directly above the composting unit. The waterless toilets connect to the composting unit directly via a 14” diameter polyethylene shoot. The foam flush toilets have a 4” hole at the bottom of the bowl with opens into the shoot. The foam flush toilets need to be “flushed” before and after each use. Ventilation occurs by drawing air down the shoot, through the composting unit, then up a vent stack. The system includes a compost tea tank and removal pump that allows for the compost tea to be stored and distributed for land applications.
Clivus Malturm, clivusmultrum.com, 800.425.4887, Lawrence, MA
Operating Specifications
Capacity
A single unit is rated for 18,000 to 65,000 uses per year.
Requirements for Operation
Composter Moistening system: 1 gal/day. Works on in house water supply so no additional pump is needed. Solenoid is 120 VAC, 50/60 Hz. There is no heating system. Liquid removal pump - pumps compost tea to storage. Operates ~4 min/day. - 115V AC, 5 Amp, 20.4 gpm. 62Wx105Lx58.5H inches, 132 cubic feet. Wood shavings should be amended into the compost, but these can be procured from local waste sources (cedar should not be used).
Toilet Two toilet options exist; a waterless toilet or a foam flush which requires 0.2 L per flush plus a foaming agent (~185 USD/year). The foam flush requires an electrical connection. Non-potable water can be used. Fan: 115 V, 0.67 amp, 71 W, 60 Hz, 243 cfm, runs continuously.
Compost Tea Tank 500 gallon volume.
Ratios of Inputs to Outputs
Maintenance and Repair
Maintenance Schedule
| Frequency | Action | Who Performs? | Time to Complete | Notes |
|---|---|---|---|---|
| One year after startup | Add worms | User/Operator | - | - |
| 2-3 months | Add bulking material (e.g. pine shavings) and knock down cone/pile below the toilet, rake compost into the "toe" of the unit. | User/Operator | 10 minutes | |
| 5-7 years (depending on use) | Empty compost from unit | User/Operator | - | - |
| ? | Replace foaming agent | - | Only for foam flush type toilets |
Known Failures and Solutions
| Problem | Symptom (s) | Fundamental Cause | Solution |
|---|---|---|---|
| Failure of refuse to break down | Increased accumulation of material in the composter | Bulking agents need to be high in carbon, low in nutrients, and rapidly degradable. Naturaly resistant bulking agents (e.g. Cedar) should not be used. Further, adequate air flow is needed to ensure break down. | Check bulking agents and change if needed. Check ventilation system for blockages. |
Warranties
System Variations
Foam flush vs. No flush varieties of toilets exist.
Instances of the System
| Make | Model | Dates of Production | End of Production | Number Produced |
|---|---|---|---|---|
| (Insert Company) | (Insert Model) | (State a Date) | (State a Date) | (State a unitless quantity) |
