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File:Composting toilet tower concept.png

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A schematic of the composting toilet tower concept, conceived by KVDP. The toilets (defecation/urination) are placed on the first floor (acessible via ladder, stairs or manual lift; a manual lift would also facilitate delivery of the sawdust); this floor is located on a certain altitide, so as to facilitate the emptying of the tower, which will need to be done in the period of fertilisation (the exact time depends on the local climate and the crops grown). As emptying is thus only done once a year, the section of the tower holding the compost would need to be made large enough to be able to store the entire generated excrement+sawdust for the intented population (eg some 8 people). Emptying can be done into a variety of vehicles, carts, and even wheelbarrows. This is made possible due to the clever opening (based on the Clivus multrum system) and the attached metal plate below (which can be rotated). Also, the flow of compost can be regulated trough regulating the opening via the lids (F). 3 lids are to be foreseen, 1 for each part of the opening (see G). The compost-scoop can be manually powered eg by allowing to push it using the feet of several operators (leg-muscles are generally stronger than arm-muscles). Note that, as mentioned at the File:Composting_toilet_with_UrineDiversion-Dehydration.jpg, at least 2 urine collection bins need to be used, and they should be made of glass or transparent plastic. Again, if needed, a black board can be placed behind the bins. Note that just as with regular composting toilets, sawdust needs to be added in the appropriate C/N (carbon-nitrogen) ratio to the faeces to obtain compost (introduced via the defecation hole).

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current07:28, 22 January 2010Thumbnail for version as of 07:28, 22 January 2010745 × 917 (68 KB)KVDP (Talk | Contributions)A schematic of the composting toilet tower concept, conceived by KVDP. The toilets (defecation/urination) are placed on the first floor (acessible via ladder, stairs or manual lift; a manual lift would also facilitate delivery of the sawdust); this floor
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