Stuart Maughan
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View article: Use of wetting agents to improve flotation deinking with magnesium oxide
Use of wetting agents to improve flotation deinking with magnesium oxide Open
In the past, alkali such as magnesium oxide and calcium hydroxide have been found to be not as effective in causing fibre swelling or in alkaline flotation deinking as sodium hydroxide. The addition of a wetting agent together with magnesi…
View article: Deinked pulp and the Netbond retention aid system
Deinked pulp and the Netbond retention aid system Open
Alkyloxylated based surfactants used in deinking recycled fibre have been found to interfere with the Netbond retention aid system. The interference that occurs appears to be dependent on pulp pH, temperature and PFR:PEO ratio. The surfact…