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Variation оf Wood аnd Cotton Pulp Electrokinetic Potential Under Refining аnd Fractionating

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A.S. Smolin, P.O. Shabiyev

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UDС

676.017.3. 

DOI:

Annotation

Initial decrease of electrokinetic potential followed by certain increase of the latter as a result of long-continued refining and subsequent fractioning under the different of membrane packing and electrolyte concentration has  found.  The dependence of the electrokinetic potential from the average fiber length was found. It was shown that  fibers longer length, have  the higher the electro kinetic potential. Reduction of carboxyl groups  content during refining and fractioning of wood pulp and a slight increasing its in the fraction  of 200 mesh cotton pulp was found. Author's vision of the possible structure of the electric double layer on the pulp fibers has   presented.

Authors

A.S. Smolin, P.O. Shabiyev
St. Petersburg State Technological University of Plant Polymers

Authors job

St. Petersburg State Technological University of Plant Polymers

Keywords

Key words: pulp, electrokinetic potential, refining, fractioning, double electrical layer, carboxyl groups.

Variation оf Wood аnd Cotton Pulp Electrokinetic Potential Under Refining аnd Fractionating

 

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