| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1387492 | Carbohydrate Polymers | 2006 | 5 Pages |
Abstract
Removal of transition metals (Fe, Mn, and Cu) from oxygen delignified alkaline cellulose pulp slurry was carried out using CDTA (trans-cyclohexane-1,2-diaminetetraacetic acid) as chelating agent. After simple treatment in alkaline solutions the initial natural concentrations of the metals above-mentioned can by reduced by ca. 50% for Fe and Mn and by ca. 70% for Cu, whereas the lowering of concentration of Ca varies in the range from 30% to 60%, depending on solution pH and concentration of chelating agent.
Related Topics
Physical Sciences and Engineering
Chemistry
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Authors
Eugenijus Norkus, Jūratė Vaičiūnienė, Tapani Vuorinen,