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Hydrogen peroxide (H2O2), a colourless water-like liquid, is one of the most versatile, reliable and environmentally friendly oxidising agents. The…
Last updated 22 February 2018
Some presenters treat handouts like an afterthought or even forget them altogether, justifying their action with: "They will just get trashed anyway…
Last updated 05 February 2018
Last updated 07 February 2018
Last updated 22 February 2018
Wastewater treatment processes produce sewage sludge,which has to be discharged after an appropriate treatment. Nowadays, there are several new…
Last updated 07 February 2018
HF CWs are secondary treatment facilities for household, municipal and industrial wastewater, and they can also be used as a tertiary treatment…
Last updated 22 February 2018
A horizontal subsurface flow constructed wetlandis a large gravel and sand-filled basin that is planted with wetland vegetation. As wastewater flows…
Last updated 24 February 2018
Last updated 07 February 2018
Last updated 05 February 2018
Where there is no or not sufficient piped supply of freshwater and drinking water, nor any motorised vehicles to distribute it, water distribution…
Last updated 21 February 2018
Human-powered emptying and transport refers to the different ways in which people can manually empty and/or transport sludge and solid products…
Last updated 23 February 2018
With the mounting numbers of refugees and Internally Displaced People (IDPs) worldwide, the number of humanitarian actors, too, have significantly…
Last updated 14 January 2018
Lack of improved access to safe drinking water together inadequate sanitation and hygiene are the overwhelming contributors to the 1.8 million annual…
Last updated 22 February 2018
Different types of constructed wetlands can be combined in order to achieve a higher treatment efficiency by using the advantages of individual…
Last updated 07 February 2018
Constructed wetlands (CWs) are natural wastewater treatment systems, which have been set up all over the world as an alternative to conventional…
Last updated 07 February 2018