Abstract: A portable toilet stall for a sanitary fixture has a floor, a roof above the floor, and a plurality of upright posts extending between the roof and the floor. At least one of the posts is hollow. A plurality of side wall panels are provided between the posts and also between the roof and the floor. There is a rinse-liquid tank inside the hollow support post and connected to the sanitary fixture.

Abstract: A housing for a portable sanitary fixture having at least one floor part, at least one roof part, a plurality of side walls, and a plurality of support posts. The floor part is connected to the roof part and/or at least two side walls to each other via at least one support post. The housing has at least three, preferably at least four, and preferably four support posts of which at least one is hollow, and at least one electrically operated functional device or at least one part of at least one electrically operated functional unit is held in an interior of the support post.

Abstract: A holding tank for a sanitary installation carrying a sanitary fixture receives fecal matter or wastewater from the sanitary fixture of the sanitary installation and has at least one inlet and at least one outlet. At least one suction float in the holding tank floats on the liquid therein and forms with at least one suction chamber opening downward through a suction screen into the tank. An extraction line connected to at least one suction pump opens into the liquid in the suction chamber for withdrawing the liquid from the holding tank through the suction float and for recycling the extracted water for use as a flushing fluid for the sanitary fixture of the sanitary installation.