Catalogue

1198 factsheets

Value proposition - Spring Health (case study)

This case study supports and illustrates the theoretic factsheet "Identifying the value proposition" with practical insights.
Last updated 23 أغسطس 2018

Venn Diagrams

Venn diagrams were developed by the logician John Venn. They represent an easy way to identify structures or relationships among organisations and…
Last updated 07 يوليو 2019

Vertical Flow Constructed Wetland

A vertical flow constructed wetland is a planted filter bed that is drained at the bottom. Wastewater is poured or dosed onto the surface from above…
Last updated 10 يونيو 2019

Vertical Flow Constructed Wetland (VFCW)

VFCWs are secondary and/or tertiary treatment facilities for household, municipal and industrial wastewater. Pre-treated wastewater is intermittently…
Last updated 16 أبريل 2019

Vertical Gardens

The term vertical garden refers to any kind of construction and support structure for growing plants in an upwards-directed, vertical way and thereby…
Last updated 08 مايو 2019

Vertical Gardens

The Vertical Garden is a stackable planter made for indoor and outdoor use. Also called plant wall, green wall and bio wall, this is a light framed,…
Last updated 16 أبريل 2019

Visioning

Visioning is a technique that is used to support a group of stakeholders in developing a shared vision of the future. It involves asking the group of…
Last updated 08 يوليو 2019

WASH Needs Assessment

In emergency situations, time pressure constitutes one of the most challenging factors for the design of an adequate response strategy. Within the…
Last updated 27 أبريل 2018

Waste Stabilization Ponds (WSP)

Waste Stabilization Ponds (WSPs) are large, man-made water bodies. The ponds can be used individually, or linked in a series for improved treatment.…
Last updated 16 أكتوبر 2020

Wastewater Collection Africa

Last updated 27 أبريل 2018

Wastewater Collection Hardware

Last updated 21 أغسطس 2018

Wastewater Collection Software

Last updated 07 فبراير 2018

Wastewater Collection Tools

Last updated 27 أبريل 2018

Wastewater Reuse at Home

Domestic water use represents a growing proportion of global water use. Water use optimisation means resistance to chronic and short-term water…
Last updated 06 مايو 2019

Wastewater Reuse in Industry

Reusing water in industry has the potential to reduce the costs of water supply and wastewater treatment by industries and reduces pressure on water…
Last updated 06 مايو 2019