Cause of Water Pollution
Chief cause of water pollution are as under:
Sewage-flow from homes is generally released into water-bodies.
People in villages defaecate in the open, when it rains heavely, all the flows into nearby...
Source of Water Supply
Sources of water supply
In nature water occurs abundantly as:
water vapour in the atmosphere,
as liquid water in inland waters and the ocean,
as ice in polar regions, and
as water of hydration in many rocks...
TYPES OF TRICKLING FILTERS
The Trickling filters are classified based on hydraulic or organic loading, as low rate trickling filter (LRTF), high rate trickling filter (HRTF) and Roughing Filter.
1 Low Rate Trickling Filter (LRTF)
The...
SYSTEMS OF SANITARY PLUMBING
The different systems of plumbing are as follows.
Two pipe system
One pipe system
Single stack system
Partially ventilated single stack system.
Two pipe system
This is the best and most improved system...
TRAPS
Traps may be defined as fittings placed at the ends of the soil pipes or waste (sullage) pipes to prevent passage of foul gases from the pipes to the outside. The traps maintain water seal which is a...
ON-SITE SANITATION
Commonly, on-site sanitation is equivalent to ‘household latrine’, but may also include facilities shared by several households living together on the same site. The more commonly known on-site...
Desalination
Desalination is a process that removes dissolved minerals (including but not limited to salt) from seawater, brackish water, or treated wastewater. Desalination plants may use seawater (directly from the ocean...
Coagulation
TYPES OF COAGULANTS
Coagulant chemicals come in two main types – primary coagulants and coagulant aids. Primary coagulants neutralize the electrical charges of particles in the water which causes the...
Translator
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