Organosolv pulping-VII: Delignification selectivity of formic acid pulping of Eucalyptus grandis
✍ Scribed by Norma de M. Erismann; Juanita Freer; Jaime Baeza; Nelson Durán
- Book ID
- 108038681
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 854 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0960-8524
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Efficient delignification of Eucalyptus grandis organosolv pulp was achieved. The process, which was chlorine and sulphur free, removed 88% of the lignin (kappa number (KN) 65 to 8) with moderate viscosity loss (T/= 19 cP to 12 cP). The best sequence involved three photochemical stages in alkaline m
Organosolv pulping of fungally pretreated samples of Pinus radiata was evaluated. A screening study using ®ve white-rot fungi indicated that Ceriporiopsis subvermisopora and Punctularia artropurpurascens were the most selective ones for lignin degradation. These fungi were further cultured in biorea