[Greenbuilding] ventilation and urine-diverting dry toilet

[ErgoDesk]

Sounds like a job for PASSIVE MECHANICAL to the job!

Sincerely,
George Hawirko
Ph: 604-477-7897
*http://about.me/StyroHome <http://about.me/StyroHome>*


On Tue, Jan 9, 2018 at 11:56 AM, Reuben Deumling <9watts at gmail.com> wrote:

> Quite a few years ago I imported four Ekologen EcoDry toilets from Sweden.
> These are porcelain toilets that send the poop and the pee into separate
> (installer supplied) vessels. While the idea was extremely inspiring, the
> reality has been somewhat less fantastic. The poop falls  through an 8"
> pipe into a bucket, and a handful of sawdust is dumped after. That part
> works beautifully. Not once has there been any smell.
>
> The urine is sent through a 1-1/4"(?) flexible hose that came supplied
> with and is attached to the porcelain unit into a vertical 2" ABS pipe and
> from there into a bucket that sits outside in the free air, and is dumped
> as needed.
> The problem - the only problem - is that the urine smell in the bathroom
> can be strong. Visitors, e.g., higher usage, sends the smell index shooting
> up, whereas day-to-day usage by one person doesn't cause much discomfort.
> And of course folks' sensitivity/sense of smell varies a lot.
>
> The toilet was supplied with a micro-flush button which would have sent a
> small amount of water (1/10 of a liter?) through the urine section. I
> initially hooked this up, but I discovered a casting flaw in the porcelain
> which sent a bit of the water not out the drain but through a crack not
> visible from any angle I could devise onto the floor. I talked to the
> manufacturer about that but they were not helpful, did not take any useful
> responsibility, so we've always used a small cup to splash a bit of water
> to chase the urine.
>
> Recently I swapped in a wood toilet seat/lid for the OEM plastic one which
> allowed me to attach a gasket between porcelain toilet and seat and between
> seat and lid. This made a disappointingly small difference to the ambient
> odor.
>
> *So now to my question:* do low-power small fans exist that you could
> recommend for installation in the 2" ABS vent? My sense is that these exist
> but I am not familiar with any specifics.
> My hope for this fan would be that it would create a very slight negative
> pressure in the bathroom, drawing any smell out the vent rather than
> letting it escape into the room. Ideally it would also be switchable from
> inside the bathroom.
>
> Or perhaps some of you have experience with his or similar situations and
> can recommend other strategies I've not thought of?
>
> Thanks very much.
>
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