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Pulp and paper
The effect of TCF bleaching before and after refining on the CMP pulp properties

Mohtaba Goli; Majid Zabihzadeh; Saeed Mahdavi; Hassan Sadeghifar

Volume 31, Fall 3 , September 2016, , Pages 510-521

https://doi.org/10.22092/ijwpr.2016.106282

Abstract
  The objective of this study was determination of the best method of bleaching including refining and bleaching (RB) or bleaching and then refining (BR) on chemical mechanical pulp (CMP) for the production of newsprint. Wood raw material consists of mixed wood forest species was chipped and air dried ...  Read More

Identification of chemical compounds in hexane extractives of black locust heartwood by GC/MS method

Seyyed Khalil Hosseinihashemi; Ali Bagheri; Vahidreza Safdari; Hassan Sadeghifar

Volume 27, Issue 3 , September 2012, , Pages 461-470

https://doi.org/10.22092/ijwpr.2012.116182

Abstract
  Black locust wood is durable against microorganisms. The species is planted as a nitrogen fixing specie in many arid and semiarid areas of Iran. Extraction procedures included soaking wood samples in hexane solvent for 15 days were applied. Average percentage of black locust heartwood extractives was ...  Read More