Results 61 to 70 of about 15,534 (146)

THE MANUFACTURE OF KRAFT PULP BY SODIUM HYDROXIDE PROCESS

open access: yesJournal of the Japanese Technical Association of the Pulp and Paper Industry, 1949
It is pointed out that the pulp made by this process is quite suitable for making wrapping and bag paper as well as vulcanized fiber substitute, paper container etc. The preparation of cooking liquor is described and particularly, cooking operation and gas recovery are explained with experimental data. The following points are made clear 1) Composition
openaire   +2 more sources

Xylan Reactions in Kraft Cooking : Process and Product Considerations

open access: yes, 2007
Xylan is the main hemicellulose in birch, eucalyptus, and most other hardwood species. During kraft pulping a series of chemical reactions and physical processes involving xylan takes place. The processes studied here are the following: dissolution, degradation, redeposition onto the fibres, side-group conversion, and cleavage of side groups off the ...
openaire   +2 more sources

Anti-scaling agents in kraft pulping

open access: yesBioResources, 2007
Scale formation in the digester during kraft pulping represents a great problem in pulp mills. Scaling reduces pulping control and efficiency, increasing energy costs and leading to cleaning breakdowns, with subsequent losses in productivity.
Felissia, F. E.   +3 more
doaj  

Resin Profile in a Bleached Kraft Pulp Process

open access: yes, 2012
The aim with this project was to investigate how the amount and composition of resins varied during the process producing bleached birch pulp at the mill SCA Packaging Munksund. A literature study about how the resin removal can be improved has also been included.
openaire   +1 more source

CHARACTERIZATION AND PROPERTIES OF ION EXCHANGERS PRODUCED FROM LIGNIN PRECIPITATED AFTER PEROXYACID PULPING

open access: yesBioResources, 2008
Pulping of bagasse by one-stage and three-stage peroxyacetic acid was carried out. Characterization of the precipitated lignin from the waste liquor of the pulping process was studied using infrared spec-troscopy.
A. M. A. Nada   +2 more
doaj  

Phenol-Formaldehyde Adhesives Modified with Eucalyptus Lignin: The Advantages of Soda Lignin. [PDF]

open access: yesPolymers (Basel)
Clavijo L   +5 more
europepmc   +1 more source

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