[Greenbuilding] ventilation and urine-diverting dry toilet

[Reuben Deumling]

I tried the black vent pipe sticking out of the roof to create a bit of
chimney effect but that hasn't been adequate so far. Or are you thinking of
something else?

On Tue, Jan 9, 2018 at 2:51 PM, ErgoDesk <ergodesk at gmail.com> wrote:

> Sounds like a job for PASSIVE MECHANICAL to the job!
>
> Sincerely,
> George Hawirko
> Ph: 604-477-7897 <(604)%20477-7897>
> *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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>
>
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