Removal of mineral oil during recovered paper processing | Zendy

Christian Ewald | Zendy; Antje Kersten | Zendy; Samuel Schabel | Zendy

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Removal of mineral oil during recovered paper processing

Author(s) -

Christian Ewald,

Antje Kersten,

Samuel Schabel

Publication year - 2016

Publication title -

tappi journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.217

H-Index - 45

ISSN - 0734-1415

DOI - 10.32964/tj15.1.41

Subject(s) - mineral processing , mineral oil , mineral , pulp and paper industry , chemistry , mineralogy , particle size , particle size distribution , environmental science , waste management , materials science , metallurgy , engineering

A flotation process and two different heat treatment processes prior to pulping were investigated according to their ability to remove mineral oils. For flotation, a correlation between removal of mineral oils and inorganic particles could be found for all process chemicals used in this study. By optimization of chemical concentration and dosing sequence, up to 80% of mineral oils could be removed while keeping the total losses smaller than 15%. The heat treatment processes achieved mineral oil removal rates that were in some cases even higher than those for flotation. For these processes, the most important parameters appeared to be the specific energy applied, the temperature, and the particle size distribution of recovered paper components. However, the specific energyconsumption was quite high.

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