Perspective Search
![](/sites/default/files/Slow%20Sand%20Filtration.jpg)
Slow sand filtration has been an effective water…, Process
The basic principle of the process is…, Slow sand filtration is an extremely efficient…, Construction
A SSF consists of a box…, For a SSF to be effective, it must be operated…, Construction costs
Construction costs strongly…,
Working principle…
21 May 2019
![](/sites/default/files/Rapid%20Sand%20Filters.jpg)
Rapid sand filters evolved at the end of the 19th…, The major parts of a gravity rapid sand filter…, Rapid sand filtration is a highly effective…, Construction
The construction of a RSF…, Construction costs
The construction cost of…
21 May 2019
![](/sites/default/files/Soil%20Aquifer%20Treatment.jpg)
Many cities and agricultural areas rely on the…, SAT is one method used to recharge groundwater…, The SAT method can have the following objectives…
26 May 2019
![](/sites/default/files/Bank%20Filtration.jpg)
Bank Filtration (BF) has been common practice in…,
BF is the abstraction of water from…, Due to its easy implementation and little…, (Adapted from HUELSHOFF et al. 2009)
Several…, BF provides about 50% of potable water supplies…
14 June 2019
Plain sedimentation (also referred to as…, The suspended particles in water vary…, Most often, centralised sedimentation chambers…, Water purification measures are associated with…, Plain sedimentation is very effective in reducing…,
Working principle…
21 May 2019
![](/sites/default/files/Adsorption%20Activated%20Carbon.jpg)
The use of carbon in the form of charcoal has…, (Adapted from LEMLEY et al. 1995)
There are…, (Adapted from DROVAC and SKIPTON 2008)
The…, (Adapted from DROVAC and SKIPTON 2008)…, Activated carbon is often used as pre-treatment…, (Adapted from AMIRAULT et al. 2003)…, (Adapted from LEMLEY et al. 1995)
Carbon…,
Working principle…
22 May 2019
![](/sites/default/files/lava%20filter.jpg)
![](/sites/default/files/Membranes%20--Reverse%20Osmosis.jpg)
Membranes emerged as a viable means of water…, Adapted from SAGLE & FREEMAN (2004)
There…, Adapted from SAGLE & FREEMAN (2004)
Water…, Adapted from SAGLE & FREEMAN (2004)
Most…, Adapted from WIKIPEDIA (2012)
Membrane fouling…, Adapted from HOA (2009)
Eawag, KWB and Opalium…, Adapted from AMTA (2007)
Raw water quality…, Membrane filtration systems’ capital costs, on a…,
Working principle…
22 May 2019
![](/sites/default/files/Coagulation%20flocullation.jpg)
Dissolved and suspended particles are present in…, (Adapted from MRWA 2003)
Coagulation…, (Adapted from MRWA 2003)
Following coagulation…, (Adapted from SNF FLOERGER 2003)
In water…, (Adapted from TRIPATHY and DE 2006)
The jar…, (Adapted from WHO 1996)
The operation of…,
Working Principle…
24 May 2019
![](/sites/default/files/ion%20exchange.jpg)
In 1850, Thomas and Way performed some of the…, (Adapted from NEUMANN and FATULA 2009)…, (Adapted from SKIPTON 2008)
The main component…, (Adapted from SKIPTON 2008)
Maintenance of…, The costs for ion exchange systems are very…, People on restricted sodium diets due to health…,
Working principle
Undesirable…
24 May 2019