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Known as a “Huussi” in Finnish, the dry toilet separates urine from stool and is ventilated to keep odors out — In Finland, dry toilets are particularly prevalent in rural summer cottages ...
Cleaning a urine-diverting dry toilet (UDDT) in Johannesburg, South Africa Urine diverting flush toilet at a household in Stockholm, Sweden (company: Dubbletten). Urine diversion, also called urine separation or source separation, refers to the separate collection of human urine and feces at the point of their production, i.e. at the toilet or urinal.
Vacuum toilet in a train in Switzerland. A vacuum toilet is a flush toilet that is connected to a vacuum sewer system, and removes waste by suction. They may use very little water (less than one-quarter litre or 1 ⁄ 16 US gallon per flush) or none. [3] Some flush with coloured disinfectant solution rather than with water.
A dual flush toilet; note the two buttons at the top of the cistern. A dual flush toilet is a variation of the flush toilet that uses two buttons or a handle mechanism to flush different amounts of water. The purpose of this mechanism is to reduce the volume of water used to flush different types of waste.
The lever arm connecting the siphon plate to the flush chain was often fixed directly to a pivot on the siphon rather than the cistern, so the arrangement of the siphons was highly flexible: flush pipes could be fitted in the middle or side of the cubicles; flush chains could be arranged at the back or front of the trough, or through the bottom ...
Vacuum toilet in a train in Switzerland. A vacuum toilet is a flush toilet that is connected to a vacuum sewer system, and removes waste by suction. They may use very little water (less than a quarter of a liter per flush) [12] or none, [13] (as in waterless urinals). Some flush with coloured disinfectant solution rather than with water. [12]
A vacuum breaker is a device that prevents water from being siphoned backward in a direction it is not desired to go. They are commonly placed on a bibcock valve or toilet or urinal flush valve , in which application they can prevent hose or drainage water from back-siphoning into the public drinking water system.
Aerosol droplets produced by flushing the toilet can mix with the air of the room, [9] larger droplets will settle on surfaces or objects creating fomites (infectious pools) before they can dry, like on a counter top or toothbrush; [8] [11] and can contaminate surfaces such as the toilet seat and handle for hours, which can then be contacted by hands of the next user of that toilet. [4]