Pressure filter is a RSF contained under pressure in a steel tank, which may be vertical or horizontal, depending on the space available. Similar to gravity filters, the media in pressure filter is usually...
When to clean the filter?
Three factors can be considered to assess when a filter needs backwashing.
Filter run reaches a given hour of operation.
The head loss is so high that the filter no longer produces...
The amount of residual chlorine left in the chlorinated water after the required contact period, can be experimentally determined by using any of the following tests:
Orthotolidine test
...
Hypochlorinators
The simplest method of continuous chlorination of water supply systems for a water flow of less than 200 Lpm is by the use of a hypochlorinator. Hypochlorinators are motor driven pumps which...
1.TERMINOLOGY
Operation of water supply system is timely and daily operation of the components of a water supply system such as headworks, treatment plant, machinery and equipment, transmission mains, service...