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Pulp cooking with particular alkali profiles
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Plate diffuser for treating comminuted cellulosic fibrous material
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Method and system for feeding comminuted fibrous material
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Removal of transition metal ions from wood pulp fibers
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Method for feeding comminuted fibrous material
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Replaceable shear edge for a star-type feeder
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Simplified liquid removal system for a cellulose pulp digester
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Distribution of dilution liquor to the discharge of a cellulose pulp digester
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Vertical pulping digester having substantially constant diameter
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Method and apparatus for pulp handling
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Continuous cooking with a two-stage cool impregnation
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Tramp material removal from pulp feed systems
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Method of recovering fibers from a reject stream generated in a wastepaper treating process
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Continuous digester with a low temperature gas-phase
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Cooking cellulose material using high alkali concentrations and/or high ph near the end of the cook
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Method and apparatus for feeding multiple digesters
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Method and apparatus for pulping with controlled heating to improve delignification and pulp strength
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Handling fibrous material used to produce cellulose pulp
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Method of controlling the pressure of a continuous digester using an extraction-dilution
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Method and apparatus for the facilitating the servicing of drive-shaft assemblies for pressurized vessels
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