Water treatment chemicals are key ingredient in purification process of water
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| Water treatment chemicals |
Chlorine dioxide is a primary
disinfectant for surface water. When used at low concentrations, this chemical
is a biocide because it reacts with the vital amino acids found in the
cytoplasm of living cells. Consequently, it releases chlorite as a by-product,
which is harmless to human health. Chlorine is a common water treatment
chemical, but there are many types available, including the more expensive
polychlorinated biphenyls (PFCs).
The Global
Water Treatment Chemicals Market was valued at US$ 30.0 billion in 2018 and is expected to register a CAGR of 5.6% in terms of revenue over
the forecast period (2019– 2027).
There are several different types
of water treatment chemicals, some of which are used in the purification
process of water. Polyphosphates, for instance, are used as clarification aids
in potable water systems.
Ferric Chloride is another
industrial chemical commonly used in the treatment of wastewater. It comes in
two concentrations: 40 percent and 96%. Ferric chloride is also used to clarify
sewage. Other flocculants include polyphosphates and zinc orthophosphates,
which are used as corrosion inhibitors in water distribution systems. Finally,
phosphates and phosphoric acid are used to remove organic compounds from
drinking water. Algicides are a common water treatment chemical, and they are
used to kill algae. Other chemicals in the process, like benzalkonium chloride,
are used to remove toxins. Sodium permanganate is used to remove iron and
manganese from water. However, algaecide is not very effective at eliminating
the toxins released by algae. It does not remove the toxins from drinking
water, but it does kill the algae present. As an alternative, a water treatment
chemical that removes slime is also available. These chemical will kill sessile
and planktonic bacteria in water and disinfect surfaces. It can also destroy
problematic biofilm. It is safe for most drinking water treatment activities.

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