Waste Management
According to WHO, poor waste disposal practices are responsible for a significant proportion of the world's infectious disease burden. In many areas, municipal sewage is often mixed with industrial waste and in some regions very little wastewater receives treatment before it is discharged into the environment. Resources available in this sub-theme include assessment reports of wastewater treatment plants, national strategies for sewage disposal, among other resources that support sustainable waste management.
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Waste Management Resources
Operating and Maintaining a Biogas System
Published:
January 1, 1982U.S. Agency for International Development
This technical note describes how to operate and maintain a biogas system. A biogas system is a means of digesting animal manure anaerobically to produce methane gas which is burned to provide heat or light. The system consists of one or more digester tanks, a gas holder, an arrangement of gas...Read more
Designing a Solid Waste Collection System
Published:
January 1, 1982U.S. Agency for International Development
This technical note describes how to design a composting system and arrive at the essential end-products. A composting system is a means of turning garbage, animal manure, other organic wastes, and, in some cases, excreta into compost. Designing a composting system involves determining the method...Read more
Constructing Slabs for Privies
Published:
January 1, 1982U.S. Agency for International Development
This technical note describes each step in constructing a slab. The slab is the floor of the privy. It covers the pit and has a hole through which to defecate. Constructing a slab involved assembling materials, tools, and labor, and building either a squatting slab or a sitting slab (seat &...Read more
Constructing Privy Shelters
Published:
January 1, 1982U.S. Agency for International Development
A privy shelter is a screen or structure that gives the person using the privy privacy. Depending on the design, a shelter can protect the user from the weather and keep out flies, rats, scavenging dogs, and other pests. Constructing a privy shelter involves assembling necessary labor, materials,...Read more
Constructing Compost Toilets
Published:
January 1, 1982U.S. Agency for International Development
This technical note describes each step in constructing a compost toilet. A compost toilet consists of a pair of waterproof vaults that receive excreta, ashes, sawdust, straw and grass. Each vault is equipped with a slab for defecating, a rear opening for removing compost, and a hole for a vent...Read more
Prediction Methodology for Suitable Water and Wastewater Processes, Suppl. 2: Computer Program
Published:
May 1, 1975U.S. Agency for International Development
THIS SUPPLEMENT INCLUDES A COMPUTER PROGRAM FOR THE "PREDICTION METHODOLOGY FOR SUITABLE WATER AND WASTEWATER PROCESSES" WHICH IS A MODEL FOR THE SELECTION OF THE MOST APPROPRIATE WATER AND WASTEWATER TREATMENT METHODS FOR DEVELOPING COUNTRIES. THE DETAILED DESCRIPTION OF THE MODEL...Read more
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