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Properties of high quality paper from rag fibers recycling

Mahid Farzi; Ali akbar Enayati; Davood Parsa paghoh

Volume 27, Issue 3 , September 2012, , Pages 434-444

https://doi.org/10.22092/ijwpr.2012.116107

Abstract
  In this investigation, soda pulps from old rags applying three pulping times (60, 120 and 180 minutes ) and three levels of active alkali ( 6,8, and 10% NaOH based on OD weight  of rag) and pulping temperature of 125º C were produced. Liquor to rag ratio was kept constant at 11:1(based on the ...  Read More

Comparative investigation on the Biological, Anatomical, Physical and Chemical Characteristics of reeds from Hooralazim and talab Anzali

Hossein Familian; Davood Parsa pazhoh; Abdilrahman Hosseinzadeh; Ahmad Jahan latibari

Volume 2, 2- No 166 , 1987, , Pages 1-115

https://doi.org/10.22092/ijwpr.1997.117448

Abstract
  In this investigation, Biological, Anatomical, Physical and Chemical Characteristics of the Phragmites australis Var australis (Cav) Trin. Where  investigated in nine plots, at the Hooralazim in southern Iran and talab Anzali in northern of Iran. investigation of biological characteristics indicated ...  Read More