Toilet seat

A toilet seat for composting toilets, said toilet seat comprising:

• a) a bowl having a seat rim;
• b) a seat cover attached to the bowl;
• c) a seat ring attached to the bowl;
• d) an interior bowl surface having a front part, a rear part, two side parts, and a bottom hole;
• the front part of said interior bowl surface having an upper section, a middle section, and a curved lower section, with the upper section adapted to be essentially vertical, the middle section almost horizontal, and the curved lower section having a top end, a middle segment, and a bottom end, said curved lower section being convexly curved so that the apex of the curve is within the middle segment of said curved lower section closer to the rear part of the interior bowl surface than are either the top or bottom ends of said curved lower section;
• and
• e) means for separating liquids, such as urine, from solid waste, such means comprising a shutter adapted to fit tightly against said bottom hole along the rear part and side parts of said interior bowl surface, but not the bottom end of the curved lower section of the front part of said interior bowl surface;
• whereby liquid deposited on the front part of the interior bowl surface are conducted along the front part of said interior bowl surface into said liquids separation means.