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close this bookA Guide to the Development of on-site Sanitation (WHO; 1992; 246 pages)
View the documentPreface
close this folderPart I. Foundations of sanitary practice
open this folder and view contentsChapter 1. The need for on-site sanitation
open this folder and view contentsChapter 2. Sanitation and disease transmission
open this folder and view contentsChapter 3. Social and cultural considerations
close this folderChapter 4. Technical options
View the documentOpen defecation
View the documentShallow pit
View the documentSimple pit latrine
View the documentBorehole latrine
View the documentVentilated pit latrine
View the documentPour-flush latrine
View the documentSingle or double pit
View the documentComposting latrine
View the documentSeptic tank
View the documentAqua-privy
View the documentRemoval systems for excreta
open this folder and view contentsPart II. Detailed design, construction, operation and maintenance
open this folder and view contentsPart III. Planning and development of on-site sanitation projects
View the documentReferences
View the documentSelected further reading
View the documentGlossary of terms used in this book
View the documentAnnex 1. Reuse of excreta
View the documentAnnex 2. Sullage
View the documentAnnex 3. Reviewers
View the documentSelected WHO publications of related interest
View the documentBack Cover
 

Composting latrine

In this latrine, excreta fall into a watertight tank to which ash or vegetable matter is added. If the moisture content and chemical balance are controlled, the mixture will decompose to form a good soil conditioner in about four months. Pathogens are killed in the dry alkaline compost, which can be removed for application to the land as a fertilizer. There are two types of composting latrine: in one, compost is produced continuously, and in the other, two containers are used to produce it in batches.

Advantages

Disadvantages

A valuable humus is produced

Careful operation is essential

 

Urine has to be collected separately in the batch system

 

Ash or vegetable matter must be added regularly

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