RAW PLANT MATERIAL DELIGNIFYING METHOD

FIELD: pulp-and-paper industry, in particular, production of cellulose for paper and cardboard and for chemical reprocessing. ^ SUBSTANCE: method involves treating raw plant material with 3-9%- hydrogen peroxide solution in 3-11%-ammonia solution at temperature of 6-1000C for 0.5-4 hours with liquid...

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Bibliographische Detailangaben
Hauptverfasser:	AVERIN R.JU, EFANOV M.V, GALOCHKIN A.I
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	APPARATUS THEREFOR PAPER-MAKING PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TEXTILES
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Beschreibung
Zusammenfassung:	FIELD: pulp-and-paper industry, in particular, production of cellulose for paper and cardboard and for chemical reprocessing. ^ SUBSTANCE: method involves treating raw plant material with 3-9%- hydrogen peroxide solution in 3-11%-ammonia solution at temperature of 6-1000C for 0.5-4 hours with liquid modulus of 20-60. ^ EFFECT: reduced pressure and delignifying time. ^ 5 tbl, 14 ex