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Potential of CMP pulp production of Salix species in comparison with Populus | ||
| تحقیقات علوم چوب و کاغذ ایران | ||
| Article 12, Volume 32, Issue 4 - Serial Number 61, November 2017, Pages 585-595 PDF (652.31 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/ijwpr.2017.110696.1418 | ||
| Authors | ||
| Hossein Resalati1; Mostafa Nikkhah Dafchahi* 2 | ||
| 1Professor in Pulp and Paper Industries, Sari University of Agricultural Sciences and Natural Resources | ||
| 2Ph.D Student in Pulp and Paper Industries, Sari University of Agricultural Sciences and Natural Resources | ||
| Abstract | ||
| Due to shortage of harvestable forest wood in Iran, the potential of CMP pulp production from various species of salix (alba, fragilis and aegyptica), in comparison with populus deltoides, was investigated across this research work. The cooking liqour of Mazandaran wood and paper Mill, consisting of 50:50 ratios of sodium sulfite and sodium bisulfite, and hydrogen peroxide, were used for Chemical treatment and bleaching of the pulps, respectively. The results showed that the paper pulps of fragilis salix and alba salix had higher bulk and lower opacity than other species, respectively. From the strength properties point of view, the highest and lowest tensile strength of produced papers were related to alba and fragilis species, and, the highest and lowest burst and tear strength of the prepared papers have belonged to Salix aegyptica and Populus species, respectively. The data have shown that Salix species have a good pothential to be used as raw material to produce CMP pulp at the cooking yield of 85%. According to the results of this research work, alba salix and aegyptica salix are in first and the second priority to produce CMP pulp ,at the cooking yield of 85%, respectively. | ||
| Keywords | ||
| Salix; Populus; CMP; bleaching; Strength properties | ||
| References | ||
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