Method and apparatus for enriching volatile substance (volatile substances) from a gas stream and metering the substance or substances to an analytical instrument
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Sampling device for high viscosity liquid under pressure, e.g. pulp liquor, comprises cooled container with piston for discharging cooled sample
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Method for processing of alkaline condensate emanating from the manufacture of cellulose pulp
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Method of minimizing scaling problems in the manufacture of bleached cellulose pulp while using an essentially fully closed washing liquid flow pattern
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Bleaching of cellulose pulp in one and the same stage with a complexing agent, a molybdenum containing substance and an oxidative bleaching agent
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Method for complex treatment of pulp in conjunction with a chlorine dioxide stage
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Non chlorine-containing oxidative bleaching (o,p,z) [totally chlorine free (tcf)]; conveying washing suspension liquid countercurrently; suspension liquid has maximum ph of 10 after delignification
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Sheet material manufactured piecewise and based on cellulose pulp fibres, and a method and an apparatus for manufacturing sheet material
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A packaging unit for sheet-like material
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Method for controlling activation of lignocellulosic material in the presence of a nitrate containing liquid
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A method of producing green liquor in chemical recovery in sulfate and sulfite pulp mills
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A method in delignifying and/or bleaching of cellulose pulp
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A packaging unit for sheet like material
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Portable appts. for machining cylinders, esp. for paper machines - comprises a tool controlled via a computer interface that is held against the roll by means of a curved hydraulic plate
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A method in ozone bleaching of pulp
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Copying paper in sheet form
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Paper and a method of paper manufacture
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Acidity control in chlorine dioxide manufacture
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Collection and recovery system for paper
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Method for producing bleached sulfate pulp having a long fiber fraction and a short fiber fraction
