Catalogue

Separate sewerage consists in the separate collection of municipal wastewaters (blackwater from toilets, greywater and industrial wastewater) and...

A septic tank is a watertight chamber made of concrete, fibreglass, PVC or plastic, through which blackwater and greywater flows for primary...

Activated sludge reactors are aerobic suspended-growth type processes. Large amounts of injected oxygen allow maintaining aerobic conditions and...

Whenever individuals meet, it is helpful to develop guidelines for positive interaction. Meaningful guidelines, often called "ground rules", provide...

A settler is a primary treatment technology for wastewater; it is designed to remove suspended solids by sedimentation. It may also be referred to as...

Sewer pumping stations (also called lift stations) are used to move wastewater to higher elevations in order to allow transport by gravity flow....

Short Rotation Coppice (SRC) is a farming method to cultivate fast growing trees. The main characteristic of SCR species is their ability to sprout...

A short rotation plantation (SRP) is an integrated agro forestry land-use system combining biomass production with wastewater use and purification....

Hand washing with soap is the simplest way to prevent a variety of pathogens from entering our bodies and making us sick. Children living in...

A business can operate with one (“simple”) or multiple (“complex”) business models, addressing one or multiple value propositions through one or...

This case study supports and illustrates the theoretic factsheet "Simple vs. complex business models" with practical insights.

A simplified sewer describes a sewerage network that is constructed using smaller diameter pipes laid at a shallower depth and at a flatter gradient...

The single pit is one of the most widely used sanitation technologies. Excreta, along with anal cleansing materials (water or solids) are deposited...

The single VIP is a ventilated improved pit. It is an improvement over the [8237-single pit] because continuous airflow through the ventilation pipe...

Slow sand filtration is a type of centralised or semi-centralised water purification system. A well-designed and properly maintained slow sand filter...