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Sodium Sulphate |
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Advantages Of Natural Sodium Sulphate
Natural Sodium Sulphate has some important advantages over chemically produced by-product sulphate which may be listed as:
Natural Sodium Sulphate are completely free of toxic minerals, like Arsenic, Lead, Zinc Chrome, and others, which cannot be avoided completely in chemically produced sodium sulphate.
Against the slightly acidic chemically produced ones, the natural sodium sulphate has a pH value of 7 - 9 which indicates the absence of any acidity.
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Production rate and prices are rather uniform, since the production doesn’t depend on any raw material.
These advantages make natural sodium sulphate preferable in pulp-paper and glass industries. And in detergent industry where sodium sulphate is used up to 40 % by wt., the complete absence of toxic minerals and the natural pH zone is of crucial importance.
END USES
Detergent
The principal use of sodium sulphate is in the detergent industry.
Natural Sodium Sulphate is an ideal filler and diluent, as it is
noncorrosive, neutral and cheap. The reduction of phosphate in the
detergent as a result of the new air and water pollution in nearly all
countries, has increased the consumption of sodium sulphate.
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Pulp and Paper
Another significant use is in the kraft paper pulp. In this
process sodium sulphate is reduced chemically to sulfide forms, which
are the active constituents of the pulping liquor.
Glass
Glass industry is also one of the major industries that use
large amounts of sodium sulphate. Nearly all modern glass factories
have increased the amount of sodium sulphate in their formulations
from the classical 0.5 % up to 1.0 % of the glass melt in a cheap and
easy way.
Textile
Sodium sulphate aids in producing a more “level” color and better
distribution of the dye on the fiber ( improving the dye’s
“standardization” ), allowing for a more dilute but equally effective
dye strength. Sulphate is specially used in the dyeing of wool.
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In the production of various chemicals
Furthermore, sodium sulphate can be used for the production of the chemicals such as potassium sulphate, alluminium sulphate, sodium silicate and sodium sulphur.
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