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Research article2007Peer reviewed

Incineration of Faecal Matter for Treatment and Sanitation

Niwagaba, Charles; Nalubega, M; Vinnerås, Björn; Jönsson, Håkan


Incineration af faeces offers a treatment method that is useful in reducing the final quantities of faeces and toilet paper. It is also useful as a sanitation method for faeces. The aim of this work was to increase the knowledge about incineration as a treatment and sanitation method for faeces. The faecal matter used in this study contained ash used as additive material during the collection phase. The incinerated faeces/ash mixture had an ash content of 86%. It caught fire when the temperatures reached 800oC and beyond and after this, temperatures in the range of 800 to 1000oC were recorded. The mass reduction was 15-36% and the organic matter was reduced by 78-99%. The plant nutrient content was reduced, total nitrogen by 90-94% and available phosphorus by 70-94%. Incinerating material with a dry matter (DM) of less than 90% resulted in a strong smell. When the DM was higher, the smell lessened. The reduction in mass of excreta and the possibility to re-use ashes as additives in toilets can be advantages of incineration of faeces


dry sanitation; ecological sanitation; faeces; incineration; nutrients; temperature

Published in

Water Practice and Technology
2007, Volume: 2007, number: 0042, pages: 1-9
Publisher: IWA Publication