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Fixation of Oleophilic Colloidal Material in Recycling and Papermaking
Oleophilic colloidal material in papermaking can emanate from e.g. wood resinous matter or from material that enter the papermaking process together with recycled paper, especially ink particles. The oleophilic material gives process disturbances and several additives are used to combat these substances.
In this thesis work we will investigate several new types of additives that can show a potential to absorb oleophilic colloidal substances. The equipment to be used is e.g. a specially designed flocculation equipment in which the shear field and contact times can be controlled in detail. The thesis work will be carried out in collaboration with paper companies and chemical supplier companies.
Program in chemical engineering or related topics.
Start: Spring term 2007 (early). 20 credit points.
To apply/for further information
Contact Agne Swerin, YKI
Tel: +46 8 5010 6031
YKI, Institute for Surface Chemistry, is the internationally leading industrial research institute in applied surface and colloid chemistry. YKI’s clients come from many industrial sectors e.g. materials, industrial chemicals, household and personal care products, pharmaceuticals, biotechnology, food, coatings, paint, engineering, paper, print and packaging. The business model of YKI is to understand the needs of our clients and use surface chemistry to solve industrial problems and provide the basis for new products and processes. YKI is part of the SP Group. YKI is located in a research-intensive area on the campus of the technical university (KTH) in Stockholm. See www.yki.se for further information.
Informationen om uppsatsförslag är hämtad från Nationella Exjobb-poolen.