Catalogue

1186 factsheets

Seating Arrangements

Seating along with related physical arrangements creates the foundation for meetings, programs and trainings. Often called room setups, they…
Last updated 08 يوليو 2019

Sedimentation

Sedimentation is recommended as simple pre-treatment of water prior to application of other purification treatments such as filtration and…
Last updated 14 يونيو 2019

Sedimentation (centralised)

Sedimentation is a simple, physical pre-treatment of water prior to application of other purification treatments such as filtration and disinfection…
Last updated 21 مايو 2019

Sedimentation/ Thickening Ponds

Sedimentation or thickening ponds are settling ponds that allow sludge to thicken and dewater. The effluent is removed and treated, while the…
Last updated 10 يونيو 2019

Selecting and Distributing Hygiene Items

Selecting and distributing hygiene items in an appropriate and effective manner is key to successfully implementing a hygiene promotion campaign. The…
Last updated 15 أبريل 2019

Selecting Sustainable Sanitation Systems

A sustainable sanitation system has to manage all waste products and by-products generated. It consists of a suitable combination of appropriate…
Last updated 16 يونيو 2020

Selection of Participants

The returns from investing in training depend crucially on the quality, motivation and appropriateness of the participants. Hence, it is very useful…
Last updated 30 يونيو 2019

Selection of Resource Persons

When developing the course curriculum, aims, and objectives, also training resource persons should be identified. Every training manager should try…
Last updated 16 أبريل 2019

Sell Convenience

Last updated 29 يوليو 2021

Semi-Structured Interviews

Semi-structured interviews are conducted with a fairly open framework which allows focused, conversational, two-way communication. The interviewer…
Last updated 30 يونيو 2019

Separate Sewers

Separate sewerage consists in the separate collection of municipal wastewaters (blackwater from toilets, greywater and industrial wastewater) and…
Last updated 28 مايو 2019

Septic Tank

A septic tank is a watertight chamber made of concrete, fibreglass, PVC or plastic, through which blackwater and greywater flows for primary…
Last updated 31 مايو 2019

Sequence Batch Reactor (SBR)

Activated sludge reactors are aerobic suspended-growth type processes. Large amounts of injected oxygen allow maintaining aerobic conditions and…
Last updated 03 أغسطس 2023

Sequencing Batch Reactor (SBR) Upgrading for domestic wastewater treatment

Activated sludge reactors are aerobic suspended-growth type processes. Large amounts of injected oxygen allow maintaining aerobic conditions and…
Last updated 04 أغسطس 2023

Setting Ground Rules

Whenever individuals meet, it is helpful to develop guidelines for positive interaction. Meaningful guidelines, often called "ground rules", provide…
Last updated 07 يوليو 2019