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A dry toilet (or non-flush toilet, no flush toilet or toilet without a flush) is a toilet which, unlike a flush toilet, does not use flush water. [1] Dry toilets do not use water to move excreta along or block odors. [2] They do not produce sewage, and are not connected to a sewer system or septic tank. Instead, excreta falls through a drop ...
A urine-diverting dry toilet (UDDT) is a type of dry toilet with urine diversion that can be used to provide safe, affordable sanitation in a variety of contexts worldwide. . The separate collection of feces and urine without any flush water has many advantages, such as odor-free operation and pathogen reduction by dry
In many composting toilet designs, a carbon additive such as sawdust, coconut coir, or peat moss is added after each use. This practice creates air pockets in the human waste to promote aerobic decomposition. This also improves the carbon-to-nitrogen ratio and reduces potential odor. Most composting toilet systems rely on mesophilic composting.
An example of an early (1904) incinerating toilet from the Lexikon der gesamten Technik. An incinerating toilet is a type of dry toilet that burns human feces instead of flushing them away with water, as does a flush toilet. [1] The thermal energy used to incinerate the waste can be derived from electricity, fuel, oil, or liquified petroleum gas.
In the U.S., every plumbing fixture must also be coupled to the system's vent piping. [1] Without a vent, negative pressure can slow the flow of water leaving the system, resulting in clogs, or cause siphonage to empty a trap. The high point of the vent system (the top of its "soil stack") must be open to the exterior at atmospheric pressure.
A pit latrine, also known as pit toilet, is a type of toilet that collects human waste in a hole in the ground. [2] Urine and feces enter the pit through a drop hole in the floor, which might be connected to a toilet seat or squatting pan for user comfort. [ 2 ]
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A simpler type of chemical toilet may be used in travel trailers (caravans) and on small boats. [3] Many chemical toilets use a blue dye in the bowl water. In the past, disinfection was generally carried out by mixing formaldehyde, bleach, or similar chemicals with the toilet water when flushed. Modern formulations are nitrate-based and work ...