Return to search

Ozone based ECF bleaching of softwood kraft pulp

<p>The objective of this work was to explore fundamental aspects of utilizing (DZ) and (ZD) bleaching stages in the prebleaching of oxygen delignified Scandinavian softwood kraft pulp, and compare paper properties of fully bleached pulps with a DEoD<sub>1</sub>ED<sub>2</sub> bleached EDF reference pulp. According to the literature, the use of chlorine dioxide and ozone in combination in (DZ) and (ZD) bleaching stages seems advantageous from both environmental and economical points of view. A significant reduction in the formation of chloro-organic compounds and efficient delignification relative to chemical consumption is obtained. </p>

Identiferoai:union.ndltd.org:UPSALLA/oai:DiVA.org:ntnu-457
Date January 2000
CreatorsToven, Kai
PublisherNorwegian University of Science and Technology, Department of Chemical Engineering, Fakultet for naturvitenskap og teknologi
Source SetsDiVA Archive at Upsalla University
LanguageEnglish
Detected LanguageEnglish
TypeDoctoral thesis, monograph, text
RelationDr. ingeniøravhandling, 0809-103X ; 2000:98

Page generated in 0.0019 seconds