Waste liquor derived from chemical thermal pulping of particle b

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524 17, 524 34, 524 47, 524 51, 524 72, 524 73, 524733, 524735, 524799, 530502, C08L 9700, C08L 8700, C08L 302, C08L 306

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057055424

ABSTRACT:
The invention concerns the waste liquor from the chemical-thermal pulping of fibre boards and particle boards containing bonding agents. The waste liquor is produced through a procedure in which fibre boards and wood particle boards are first chopped into shreds and, in a subsequent step, pulped according to a chemical-thermal procedure which dissolves the wood structure. The liquid remaining after the separation of the cellulose is retained as waste liquor and used as extender for wood adhesives.

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