sodium chlorite:history,properties,uses in textile industry,iupac name
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IN THE NAME OF
ALLAHTHE MOST BENEFICIRNT
AND
THE MOST MERCIFUL
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SODIUM CHLORITESODIUM CHLORITE
AS AAS A
BLEACHING AGENTBLEACHING AGENT
(C) JHUDSON 2005
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Textile AuxiliariesTextile Auxiliaries
Imran Anwar
06-NTU-112
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NATIONAL TEXTILE UNIVERSITY
FAISALABAD
PAKISTAN
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History
IUPAC name & other nameProperties
The Manufacturing Process
Uses in textile industry
References
SODIUM CHLORITE AS ASODIUM CHLORITE AS A
BLECHING AGENTBLECHING AGENT
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The development of sodium chlorite as an
industrial chemical began in 1921when E.
Schmidt found that cellulosic fibers could
be purified with chlorine dioxide without
being appreciably damaged.
Unfortunately, chlorine dioxide gas isextremely explosive at high concentrations.
History of sodium chloriteHistory of sodium chlorite
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These discoveries prompted researchers to
look for safe and economical ways to deliver
chlorine dioxide for bleaching purposes.
The first company to introduce sodiumchlorite for this purpose was the Mathieson
Chemical Corporation.
In 1960, sodium chlorite became the
standard material for continuous bleachingoperations in the United States, replacing
hydrogen.
History of sodium chloriteHistory of sodium chlorite
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IUPAC name & other name
Other names
Chlorous acid
Sodium salt textone.
IUPAC name
Sodium chlorite
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PropertiesProperties
Molecular formula
Molar mass
Appearance
DensityMelting point
Solubility in water
NaClO290.44 g/m
white solid
2.5 g/cm3, solid180200C decomp.
39 g/100 ml (17 C)
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The Manufacturing ProcessThe Manufacturing Process
yWhile a variety of chlorites are
available, sodium chlorite is the only
one produced commercially.
y It is sold in solution or as a solid.
yThe technical grade is made up of
about 80% sodium chlorite and the
rest is sodium chloride.
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yLarge scale production is based on a
reaction of chlorine dioxide in a sodium
hydroxide solution.
y Sodium chlorite is manufactured in
three phases
chlorine dioxide production,
sodium chlorite generation,
and recovery.
The Manufacturing ProcessThe Manufacturing Process
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Uses in textile industryUses in textile industry
yAs a textile-bleaching agent, sodium
chlorite is effective with various
fibersy It can be used on Natural as well as
man made fibers.
Natural such as;Cotton & Bast fibers
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Man-made fibers like
yNylon
y
PerlonyDralon
yAnd Rhovyl.
Uses in textile industryUses in textile industry
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y Sodium chlorite is also used for various
industrial applications.
y It controls microbial contamination in
industrial cooling systems and towers.
y It is used in place of chlorine in
industrial ammonia plants because it
does not react negatively withammonia.
Uses in textile industryUses in textile industry
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Since it is an oxidizer, it is often a part of
flue gas scrubber systems. Food-
processing companies use it forwashing fruits and vegetables because
it is a fungicide.
Uses in textile industryUses in textile industry
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www.How sodium chlorite is made - material, production process,
manufacture, making, history, used, processing, composition,
structure, steps, product, industry, History, Raw Materials.mht
www.Sodium chlorite - Wikipedia, the free encyclopedia.mht
ReferencesReferences
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