发明公开
EP0777780A1 SULFITAUFSCHLUSSVERFAHREN 失效

SULFITAUFSCHLUSSVERFAHREN
摘要:
The present inventon relates to a sulphite fusion process for the production of celluloses using alkaline monosulphite solutions, organic solvents and quinone derivatives. The raw material to be fused is treated in a special impregnation step with either a solvent-free monosulphite solution or a solvent-water mixture.
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