Pulp & Paper
Martin Marietta Magnesia Specialties provides magnesium hydroxide for use in the production of paper products.
CellGuard® magnesium hydroxide functions as a cellulose protector and an alkali in mechanical pulp peroxide bleach systems, as well as in the oxygen delignification and extraction stages of chemical pulp bleaching.
Technical Data Sheets
CellGuard® OP as a Replacement for Caustic Soda and Sodium Silicate in Mechanical Pulp Bleaching
CellGuard® OP as a Replacement for Caustic Soda in Chemical Pulp Bleaching
- Mechanical pulp
- Chemical pulp
|Mechanical Pulp Bleaching||Chemical Pulp Bleaching|
|Significantly lowers bleach chemical costs by eliminating or reducing caustic soda and sodium silicate usage and by yielding higher residual peroxide for potential reuse||Reduces chemical costs by eliminating magnesium sulfate usage in oxygen delignification and extraction stage bleaching|
|Reduces potential for silicate scaling and oxalate scaling||Lowers caustic soda, peroxide and/or chlorine dioxide usage in chemical pulp bleaching|
|Lowers BOD/COD up to 40%||Maintains brightness and physical properties|
|Improves pulp yield as indicated by BOD/COD reduction|
|Reduces anionic trash as measured by conductivity up to 40%|
|Maintains brightness and physical properties|
For more information regarding your application or to place an order, please call 800-648-7400 (inside the U.S.) or +1-410-780-5500. Or, Contact Us with your questions.