Toilet system

A toilet system which comprises:

• an evaporator tank including:
• a first vessel having an inlet, to receive flushed waste from a toilet or a urinal, and an outlet that is at the top portion of said first vessel;
• and
• a jacket surrounding at least the bottom portion of said vessel to provide a jacket chamber;
• first heater means including a first electrical heater mounted in the bottom part of said chamber;
• a vapor treatment system including a second vessel having an inlet and a vent outlet and containing a bed of oxidation catalyst capable of oxidizing at an elevated temperature compounds evaporated with water evaporated from flushed waste;
• first conduit means connected to said outlet of said first vessel and said inlet of said second vessel to transfer vapor from said first vessel to said second vessel;
• second conduit means connected to said first conduit means to introduce pressurized air into the vapor between said first vessel and said second vessel for admixture of said air with said vapor;
• second heater means including a second electrical heater mounted on one of said first and second conduit means to provide to said second vessel the admixture of said vapor and said air at an elevated temperature sufficiently high for said oxidation catalyst to provide said air oxidation of said compounds vaporized with water from said evaporator tank;
• and
• electrical means to control and operate said first electrical heater and said second electrical heater, said electrical means including:
• high-level sensing means including a normally open float switch mounted in said vessel of said evaporator tank and closed by liquid waste in said vessel of said tank when the level of liquid waste has raised to a predetermined high level;
• temperature-sensing means including a normally closed thermal switch mounted in said jacket chamber above its bottom part to sense the temperature of vapor from water heated by said first electrical heater and opened in response to the rise in the temperature of said vapor to a predetermined elevated temperature that is reached when there is a substantial decrease in the rate of heat transfer from the vapor to liquid waste in said first vessel due to increased solids content of liquid waste in said tank as a result of the evaporation of water vapor from said first vessel;
• and
• means responsive to the concurrent closing of said float switch and the opening of said thermal switch to provide a signal indicating that the level of liquid waste in said evaporator tank is at the predetermined high level and the rate of heat transfer from said first heater means to said liquid waste has substantially decreased.