BleachMag® magnesium hydroxide is is an alkaline additive made of milled brucite mineral; it is used for bleaching of pulp.
BleachMag® functions as an alkali, a stabilizer of hydrogen peroxide and a protector of cellulose in chlorine-free bleaching of pulp. It can be used for bleaching mechanical, thermomechanical, chemical-thermomechanical, chemical pulp, and waste paper (DIP). It replaces more expensive alkalis at the hydrogen peroxide bleaching stage, delignification and extraction with oxygen and alkali (stages Eop, P, Ep, E). It allows 100% replacement of magnesium sulfate (MgSO4) at oxygen delignification of cellulose.
Customers can prepare a diluted suspension of BleachMag® from the powder and water.
in comparison with others
on the market
the environment and handling
of the cellulose
Comparison with competitive products
Reduces bleaching costs
Reduces amount of bleaching chemicals (silicates, chelates)
Acts like as a protector of cellulose fibers
Increases pulp yield
Caustic soda solution NaOH
Synthetic magnesium hydroxide suspension Mg(OH)2
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