Sanitation Library
Total results: 4321
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The Sanitation Workers Knowledge + Learning Hub is the best source for all current news, trends, articles and updates on sanitation workers rights around the world.
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This equipment is part of several packages devised by the Oxfam Public Health Engineering Team to help provide a reliable water supply for populations affected by conflict or natural disaster. The equipment is designed to be used with any or all of the following Oxfam water equipment: Water Storage equipment, Water Coagulation and Disinfection equipment, Water Filtration equipment, Water …
727 Views
11 Downloads
This manual is intended for technicians, builders, trainers, students and development
agencies dealing with site survey, design, construction and maintenance of:
-Hand-dug wells in deep sand,
-River-intakes with shaft in riverbank,
-Intake chambers with elevated water tank,
-Subsurface dams built of soil,
-Subsurface dams built of rubble stone masonry and
-Sand dams built of rubble stone …
1773 Views
29 Downloads
Nitrogen is one of the principal nutrients found in wastewater. Discharges containing nitrogen can severely damage a water resource and it’s associated ecosystem. As a result, several chemical, physical and biological processes have been used to promote the removal of nitrogen. Nitrification and denitrification are two suggested processes that significantly reduce nitrogen levels in wastewater. …
291 Views
3 Downloads
Roughing filtration is a simple, efficient and chemical free water treatment method for turbidity removal; it can be used as a pre-treatment method prior to slow sand filters or disinfection with chlorine. The main disadvantage of roughing filtration for use in emergency situations is that it uses gravel as a filter medium. Gravel may be unavailable or difficult to transport because of its …
850 Views
17 Downloads
Many publications describe the protection of springs from contamination using spring boxes. The construction of such a structure takes time and money, and in many cases it may not be really necessary.
A spring box can be useful as:
-A sedimentation chamber where particles of sand carried in the spring water can settle out.
-A storage chamber, which is useful for springs where the peak rate …
707 Views
1 Downloads
Wherever possible, a community should avoid the health risks which result from using contaminated pond water, by using an alternative, good-quality source. (Groundwater or rainwater sources will usually produce water of much better quality.) If a pond is the only source of water, the implementation of some of the ideas in this Technical Brief should improve the quality of the water. It is not …
475 Views
8 Downloads
A VLOM pump is one which can be operated and sustained using Village Level Operation and Maintenance. The term VLOMM is also used, meaning Village Level Operation and Management of Maintenance. This addition emphasizes the role of users as the managers of maintenance – they may choose to use someone from outside the village to assist with more complicated repairs. Not all maintenance and repair …
635 Views
11 Downloads
682 Views
15 Downloads
Ground water is one of the Nation’s most important natural resources. It provides about 40 percent of the Nation’s public water supply. In addition, more than 40 million people, including most of the rural population, supply their own drinking water from domestic wells. As a result, ground water is an important source of drinking water in every State. Ground water is also the source of much …
1969 Views
80 Downloads
The rapidly growing and small floating aquatic plants of the botanical family of Lemnaceae are capable of accumulating nutrients and minerals from wastewater. The latter are finally removed from the system as the plants are harvested from the pond surface. Because of their comparatively high productivity and nutritional value, particularly their high content of valuable protein, they provide an …
