Interventions to improve disposal of child faeces for preventing diarrhoea and soil-transmitted helminth infection, (Protocol). Cochrane Database of Systematic Reviews, 2014, Issue 4. Art. No.: CD011055. DOI:10.1002/14651858.CD011055.
Authors: Majorin F, Torondel B, Ka Seen Chan G, Clasen TF.
Objectives: To assess the effectiveness of interventions to improve the disposal of child feces for preventing diarrhoea and soil-transmitted helminth infections.
Interventions: Interventions can include the provision of hardware (for example, nappies (diapers), potties, fecal collection devices, cleaning products to hygienically remove feces, child-friendly squatting slabs or latrines used by children) software (for example, promotion of safe disposal practices), or both. It will include interventions that combine the safe disposal of child feces with other interventions, such as hygiene promotion interventions, and employ subgroup analysis to investigate the impact of these additional interventions.
The BRAC WASH programme has released a short video about their ongoing study in Bangladesh on the use of faecal sludge from double pit latrines as organic fertiliser.
The final evaluation of BRAC WASH I programme identified pit emptying and the safe final disposal of sludge as a key ‘second generation’ challenge for the near future. To address this, BRAC is undertaking action research to ensure the safe reuse of faecal sludge in the BRAC WASH II programme, answering the following questions:
- Does the faecal sludge comply with the WHO Guidelines on microbiological quality after one year of storage?
- What is the nutrient content of the faecal sludge?
- Is it possible to make faecal sludge-based organic fertiliser production commercially viable?
In 2013, the UK-based School of Civil Engineering at the University of Leeds won a BRAC WASH II research call for secondary treatment options for faecal sludge. Their project is called Value at the end of the Sanitation Value-chain (VeSV).
The University of Leeds is working together with three other partners: Bangladesh University of Engineering and Technology (BUET), NGO Forum for Public Health (Bangladesh), and IWMI International Water Management Institute (Sri Lanka).
Despite the widespread implementation of Community Led Total Sanitation (CLTS) programs and many claims of success, there has been very little systematic investigation into their sustainability. A new study, which aims to change that, is creating a stir in the WASH sector.
A study commissioned by Plan International on the sustainability of CLTS programs in Africa revealed that 87% of the households still had a functioning latrine. This would indicate a remarkably low rate of reversion (13%) to open defecation (OD) or “slippage”.
However, if the criteria used to originally award open defecation free (ODF) status to villages are used, then the overall slippage rate increased dramatically to 92%. These criteria are:
- A functioning latrine with a superstructure
- A means of keeping flies from the pit (either water seal or lid)
- Absence of excreta in the vicinity of the house
- Hand washing facilities with water and soap or soap-substitute such as ash
- Evidence that the latrine and hand washing facilities were being used
Posted in Africa, Hygiene Promotion, Publications, Research, Sanitary Facilities
Tagged Community-Led Total Sanitation, Ethiopia, handwashing, Kenya, Plan International, Sierra Leone, slippage, Sustainability, Uganda
More attention should be given to the assessment of nutrition practices when assessing the impact of WASH on the health of school children. We also don’t know enough about the long term impact of WASH interventions on child health. These are some of the conclusions that researchers from the Center for Global Health and Development at the the University of Nebraska Medical Center (UNMC) drew from a review of the literature .
Dr. Ashish Joshi and research assistant Chioma Amadi reviewed the impact of water treatment, hygiene, and sanitary interventions on improving child health outcomes such as absenteeism, infections, knowledge, attitudes, and practices and adoption of point-of-use water treatment. For their final analysis they selected 15 peer-reviewed English-language studies published between 2009 and 2012 that focused on the effects of access to safe water, hand washing facilities, and hygiene education among school-age children.
The Tiger Roars: New DIV Grantee will Test the “Tiger Toilet” that uses Worms for Good! | Complete article/source: USAID Development Innovation Ventures
Excerpts – DIV is delighted to announce a new Stage 1 award of over $170,000 to Bear Valley Ventures Ltd to conduct a field trial of the Tiger Toilet in India, Uganda, and Burma. The Tiger Toilet is a latrine system that has the potential to be an affordable, compact, and superior alternative to pit latrines and septic tanks. It harnesses the capabilities of composting worms such as the Tiger Worm (Eisenia fetida), to digest the solids within the system, making it very compact and particularly suitable to high density urban environments.
The project aims to address the global challenge of providing access to adequate sanitation; worldwide, over 4 billion people currently use latrines that can be unpleasant and unhygienic or lack sanitation provisions entirely. Sewered systems will never be a reality for many around the world; therefore an on-site (i.e. a system that does not require piping the waste off-site for treatment) option is needed. Presently the best on-site option is a septic tank, which is often financially out of reach.
Walter Gibson, Director of Bear Valley Ventures, adds that “Vast numbers of people in the world have to put up with inadequate sanitation every day of their lives. It’s imperative that we develop better, more affordable solutions that address their needs and aspirations for a decent toilet. We believe the Tiger Toilet represents one such option. We are very grateful to USAID for this support which allows us to test its potential.”
The Tiger Toilet is linked to a normal pour flush system, so the user experience is therefore the same as using a septic tank or a pour flush latrine. The waste then enters a tank which contains the worms and a drainage layer. The solids are trapped at the top of the system where the worms consume it, and the liquid is filtered through the drainage layer. Extensive laboratory scale trials found that the worms reduce the solids in the system by above 80%, and the effluent quality is higher than that from a septic tank. An initial prototype has been running at the Centre for Alternative Technology in Wales, UK for over a year.