Abstract: In this investigation, the effect of age of Eucalyptus camaldulensis and Populus nigra trees (at two different ages i.e. 4 years old and 8 year old) on chemical compound, for using in pulp and paper industry was studied. Chemical compounds for each age, have been repeated two times and the amount of holocelluloses, hemicelluloses, alpha-cellulose, lignin, and total extractives for 4 years old in E. camaldulensis have been obtained relatively 68.96, 29.80 39.06, 18.89 and 8.69 respectively. Regarding 8 year- old, these results were obtained 70.76, 28.63, 42.31, 21,15 and 9.41 respectively. In terms of 4 year-old of P. nigra trees these result were obtained 72.03, 26.81, 44.88, 21.59 and 6.00 respectively for all chemical compounds. While for 8 year- old the results were 74.37, 25.6, 48.2, 20.72 and 8.35 respectively. These compounds in several ages have been compared with each other. The results showed that the 8 year-old of P. nigra trees are the best one between them because they contain higher amount of cellulose and lower amount of extractive and lignin which be more suitable choice for pulp industry.
Keywords: cellulose; extractives; holocellulose; lignin; Populus and eucalyptus.
Title: Study the Effect of Age on Wood Chemical Compounds of Eucalyptus Camaldulensis and Populus Nigra Growing in Erbil Governorates
Author: Sherzad Omar Osman, Heman Abdulkhaliq Ahmed, Arshad Abdulkhalq Yaseen
International Journal of Life Sciences Research
ISSN 2348-313X (Print), ISSN 2348-3148 (online)
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