Applications
Pulp & Paper
Overview
Martin Marietta Magnesia Specialties provides magnesium hydroxide for use in the production of paper products.
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 Resources
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
Common Applications
- Mechanical pulp
- Chemical pulp
Benefits
| 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.