On Wed, 26 Jan 2000 14:47:41 +0100, 3S
<io174612 at student.io.tudelft.nl> wrote:
>>Currenlty I am developing a public urinal for placement in public space.
>>One of the main problems is that the existing urinals stink. This smell
>causes people not to use the urinal and urinate elsewhere.
>To solve this smell problem it is required to get a good insight in its
>>>> * What causes the smell of urine and what reactions and bacteria
> play a part in this?
> * What are the circumstances under which the smell appears?
> * Does the layer of ureum that forms on frequently urinated
> spots contribute to the smell?
What difference does it make? Just drop one of those swell blue disks
in there.... those things are pungent enough to overcome even the most
potent excretions! ;-)