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PROCESS FOR MAKING PARTLY-HYDROLYZED CELLULOSE USING COMPRESSED CELLULOSIC MATERIALS

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  • Title:
    PROCESS FOR MAKING PARTLY-HYDROLYZED CELLULOSE USING COMPRESSED CELLULOSIC MATERIALS
  • Author: GULAMHUSEIN ALI ; HOBENSHIELD EVAN J ; DEVRIES DURK ; LOCKHART JAMES M ; WEARING JAMES T
  • Subjects: APPARATUS THEREFOR ; PAPER-MAKING ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; REGENERATION OF PULPING LIQUORS ; TEXTILES
  • Description: 미세한 셀룰로오스성 물질과 산을 접촉시키고 반응시켜 부분적으로-가수분해된 셀룰로오스를 제조하는데 있어서, 셀룰로오스를 압축하여 보다 밀도가 높은 재료로 하여, 산의 소모를 줄이고 반응 시간의 균일성을 향상시키는 것을 특징으로 하는 방법 및 장치이다. 셀룰로오스성 물질, 예를 들어 분쇄된 목재 펄프는, 압축되어 그 내부의 틈새 공간을 줄게된다. 압축된 재료가 산, 예를 들어 황산과 접촉하여, 그 내부공간에 산이 흘러들어 가게 되고 셀룰로오스와 반응하여 부분적으로-가수분해된 셀룰로오스를 제조한다. 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.
  • Creation Date: 2015
  • Language: English;Korean
  • Source: esp@cenet
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