Appita Journal: Journal of the Technical Association of the Australian and New Zealand Pulp and Paper Industry, Volume 61The Association, 2008 - Electronic journals |
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Page 218
... soft- wood and birch pulps . 6 5 4 o a 10 9 3 2 10 Softwood Birch Wheat straw R2 = 0.9983 R2 = 0.9863 R2 = 0.9946 20 20 30 40 50 60 70 80 90 Kappa number Fig . 4 Relationship between the acid ratios and kappa number of the softwood ...
... soft- wood and birch pulps . 6 5 4 o a 10 9 3 2 10 Softwood Birch Wheat straw R2 = 0.9983 R2 = 0.9863 R2 = 0.9946 20 20 30 40 50 60 70 80 90 Kappa number Fig . 4 Relationship between the acid ratios and kappa number of the softwood ...
Page 396
... softwood and hardwood bleached kraft pulps were repeatedly subjected to only drying - and- rewetting cycles ( up to 30 times ) and properties were compared with those recycled through the drying - and - rewetting and disintegration ...
... softwood and hardwood bleached kraft pulps were repeatedly subjected to only drying - and- rewetting cycles ( up to 30 times ) and properties were compared with those recycled through the drying - and - rewetting and disintegration ...
Page 399
... softwood pulp , b ) hardwood pulp . Density g / cm3 0.860 0.765 0.716 0.686 0.660 0.660 0.631 0.860 0.850 0.837 0.833 0.797 Density g / cm3 0.897 0.679 0.611 0.590 0.567 0.545 0.500 0.897 0.842 0.855 0.816 0.639 100m 9058 itayakaede Fig ...
... softwood pulp , b ) hardwood pulp . Density g / cm3 0.860 0.765 0.716 0.686 0.660 0.660 0.631 0.860 0.850 0.837 0.833 0.797 Density g / cm3 0.897 0.679 0.611 0.590 0.567 0.545 0.500 0.897 0.842 0.855 0.816 0.639 100m 9058 itayakaede Fig ...
Contents
Appita | 2 |
Norske Skog Boyers secondary effluent treatment plant starts | 11 |
The next 100 years challenges and opportunities for the forest industries | 17 |
Copyright | |
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acid alkali Amcor analysis Andritz Appita applications Australia bagasse black liquor bleaching carbon cationic cell cellulose chemical chips coating cooking cost decrease delamination density drying dyes effect emissions emissions trading energy fibre length filler flow forest formation grammage guar gum handsheets hardwood heat HexA higher improved increase interface kappa number kraft pulp laccase lignin liner material measured mechanical ment methanol method Metso Norske Skog operation optical paper industry paper machine paperboard papermaking parameters pigment plant porosity pressure printing production properties pulp and paper pulp fibres pulp mill ratio recycling reduced refining retention rotor Rotorua sample screen shear sheet shive shown in Figure shows softwood speed strength structure surface Table Tappi temperature tensile index thermal thickness tion tracheid Voith weak wash width wood wood pulps xylan Zealand