| 摘要 |
<p>Waste receptacles for use by animals, such as laboratory animals and household pets, are provided with an odor barrier of lightweight, non-absorbent, non-water-wettable, granular material (1), such as paraffin wax coated corn cob granules. The buoyant, non-absorbent, lightweight granular material is also useful as an odor barrier in liquid-containing portable human toilets and generally as an odor barrier for pools or sumps or open containers of odoriferous materials.</p><p>The non-absorbent granular material (1) in animal toilet applications Is conveniently retained on a foraminous tray (5) which, in turn, is mounted on a collecting tray (11, 15) for collection of liquid waste percolating downwardly from the granular material into which the liquid waste was originally deposited.</p> |
