PROCESS FOR MAKING PARTLY-HYDROLYZED CELLULOSE USING COMPRESSED CELLULOSIC MATERIALS

PROCESS FOR MAKING PARTLY-HYDROLYZED CELLULOSE USING COMPRESSED CELLULOSIC MATERIALS

A method and apparatus for contacting and reacting fine cellulosic material with acid to produce partly-hydrolyzed cellulose, in which the cellulose is compressed to form higher density material, resulting in reduced consumption of acid and increased uniformity of reaction times. Cellulosic material...

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Hauptverfasser: HOBENSHIELD, EVAN J, GULAMHUSEIN, ALI, LOCKHART, JAMES M, WEARING, JAMES T, DEVRIES, DURK
Format: Patent
Sprache:eng ; fre
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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creator HOBENSHIELD, EVAN J
GULAMHUSEIN, ALI
LOCKHART, JAMES M
WEARING, JAMES T
DEVRIES, DURK
description A method and apparatus for contacting and reacting fine cellulosic material with acid to produce partly-hydrolyzed cellulose, in which the cellulose is compressed to form higher density material, resulting in reduced consumption of acid and increased uniformity of reaction times. Cellulosic material, such as ground wood pulp, is compressed to reduce the interstitial spaces therein. The compressed material is contacted with an acid, such as sulfuric acid, which is allowed to wick into the interstitial spaces and react with the cellulose to produce partly-hydrolyzed cellulose.
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subjects APPARATUS THEREFOR
PAPER-MAKING
PRODUCTION OF CELLULOSE
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
REGENERATION OF PULPING LIQUORS
TEXTILES
title PROCESS FOR MAKING PARTLY-HYDROLYZED CELLULOSE USING COMPRESSED CELLULOSIC MATERIALS
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