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Friday, April 24, 2020 | History

2 edition of Photo-enhanced oxygen delignification of softwood kraft pulp. found in the catalog.

Photo-enhanced oxygen delignification of softwood kraft pulp.

Bruno Sisto Marcoccia

Photo-enhanced oxygen delignification of softwood kraft pulp.

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Published .
Written in


The Physical Object
Pagination240 leaves.
Number of Pages240
ID Numbers
Open LibraryOL20784661M


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Photo-enhanced oxygen delignification of softwood kraft pulp. by Bruno Sisto Marcoccia Download PDF EPUB FB2

(Nominee's Name -- type or print) 1. What scientific or engineering achievements qualify the nominee for this award. (This question must be answered). Professor Reeve's long-term scientific and technological contributions to the pulp and paper industry have had a major impact on pulp bleaching and kraft chemical recovery operations.

The reaction kinetics for photo-enhanced oxygen delignification of unbleached kraft pulp have been investigated by considering the effect of lignin concentration in the system on the rate of. Oxygen delignification of pulp is achieved under mild conditions by irradiating pulp slurries with ultraviolet light.

This phenomenon was investigated using a batch, stirred-tank photoreactor and. The unbleached materials used in this study are a wheat straw (Triticum sativum) soda pulp from a laboratory source, supplied by the University of Córdoba (Spain) and a Eucalyptus globulus kraft pulp from an industrial source.A part of these pulps were treated enzymatically with a xylanase and then were delignified with oxygen, and the other part were only delignified with oxygen (see part A Cited by: Lignin and Lignans: Advances in Chemistry Both pinoresinol and syringaresinol structures have been detected in lignins by a variety of NMR spectroscopic techniques [see, e.g., 40,47,73,74].

Ogiyama and Kondo have determined the abundance of units of type 23 in a softwood lignin to 5–10% [70].