Raw material for paper making pdf

 

 

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Figure 2: Different types of woody and non woody 11 materials Figure 3: Cell wall architecture 14 Figure 4: cellulose formula 15 Figure 5: Paper Making Starting with the production of the most important raw material, wood. The pulping process converts this wood into the most appropriate type of pulp. The paper European pulp & paper industry in 2009 Paper production (million tonnes) ?Wood and recovered paper are critical raw materials for Europe. The paper manufacturing process has several stages: raw material preparation and handling, pulp manufacturing, pulp washing and screening, chemical recovery PDF | Pulp and paper industry in the world have been growing fast. As a result, there has been a massive request for pulp and paper raw materials. The. making paper involves two stages: the breaking up of raw material (which contains cellulose* fibre) in water to form a pulp (i.e. a suspension of fibres*), Abstract Non-wood raw materials for paper production have been maintained constant during last decade. In Europe, fibres from non-wood resources proceed(See Diagram 1: Typical process diagram for paper and pulp production). Wood and recycled wastepaper are the main raw materials for paper pulp fiber,.

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