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Characterization of pit latrines to support the design and selection of emptying tools in peri-urban Mzuzu, Malawi

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dc.contributor.author Chiposa, Rashid
dc.contributor.author Holm, Rochelle H.
dc.contributor.author Munthali, Chimuleke
dc.contributor.author Chidya, Russel C. G.
dc.contributor.author de los Reyes III, Francis L.
dc.date.accessioned 2020-08-11T13:36:51Z
dc.date.available 2020-08-11T13:36:51Z
dc.date.issued 2017
dc.identifier.citation Chiposa, R., Holm, R. H., Munthali, C., Chidya, R. C. G. and De los reyes III, F. L. characterization of pit latrines to support the designs and selection of emptying tools in peri-urban mzuzu, malawi. journal of water sanitation and hygiene for development, 2017, 07 (1), pages 151-155. DOI: 10.2166/washdev.2017.096 https://washdev.iwaponline.com/content/7/1/151 en_US
dc.identifier.other 10.2166/washdev.2017.096
dc.identifier.uri http://washdev.iwaponline.com/content/7/1/151
dc.identifier.uri 192.168.1.8:8080/xmlui/handle/123456789/104
dc.description.abstract The urban areas of many low-income countries must balance a rising demand for pit latrines for household sanitation provision against limitations in space, resulting in a need for pit latrine emptying services. This study was undertaken in the peri-urban neighborhood of Area 1B in the city of Mzuzu, Malawi, to examine the characteristics of household pit latrines for designing and selecting pit latrine emptying tools. We used 150 structured household surveys and field observations. From this, a subset was selected and 30 manual cone penetrometer tests were conducted at full latrines. Chemical oxygen demand analysis was also performed for 14 pit latrines. The results indicated that in addition to serving as a disposal for fecal matter, 90% of households also used pit latrines for domestic waste. Only 10% of the studied pit latrines were lined. The filling rate in the study area is calculated to be about three years, and no respondents reported previous emptying. It is suggested pit latrine emptying technology development focuses on a maximum tool diameter of 10 cm to fit through the keyhole (squat hole) and height of 146 cm to fit inside the superstructure, as well as supporting unlined pits and the ability to pump trash. en_US
dc.language.iso en en_US
dc.subject pit latrine en_US
dc.subject pit emptying en_US
dc.subject Malawi en_US
dc.subject low-income countries en_US
dc.subject fecal sludge management en_US
dc.title Characterization of pit latrines to support the design and selection of emptying tools in peri-urban Mzuzu, Malawi en_US
dc.type Article en_US


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