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- Title
Evaluation of pine kraft cellulosic pulps and fines from papermaking as potential feedstocks for biofuel production.
- Authors
Przybysz Buzała, Kamila; Przybysz, Piotr; Kalinowska, Halina; Przybysz, Kazimierz; Kucner, Marta; Dubowik, Marcin
- Abstract
Results of enzymatic hydrolysis of pine kraft cellulosic pulps (Kappa numbers ranging from 17.2 to 86.2) and waste fines from paper production line suggest that they are potential feedstocks for biofuel production. Glucose (61-68 % d.w.) and reducing sugars (around 90 % d.w.) yields from the pine cellulosic pulps with Kappa numbers ranging between 17.2 and 47.7 were higher than from the two pulps with Kappa numbers of 60.9 and 86.2. Glucose and reducing sugars yields from the latter pulps were around 54 and 45 % d.w. and 78 and 67 % d.w., respectively. The highest yields of glucose and total reducing sugars on a pine wood dry weight basis (29.3 and 43.1 %, respectively) were derived from the pulp with the Kappa number of 47.7. Thus the complete lignin removal from pine wood was not necessary to obtain maximum yields of glucose and other reducing sugars. Enzymatic hydrolysis of the fines from pine wood processing in a paper mill yielded around 75 % glucose and 78 % total reducing sugars on a dry weight basis that corresponded to around 34 and 36 % on a pine wood dry weight basis.
- Subjects
PAPERMAKING; FEEDSTOCK; BIOMASS energy; HYDROLYSIS; PINE
- Publication
Cellulose, 2016, Vol 23, Issue 1, p649
- ISSN
0969-0239
- Publication type
Article
- DOI
10.1007/s10570-015-0808-7