SULFITE DIGESTER RATE OF DELIGNIFICATION SYSTEM
The degree of cooking in a sulphite digester for delignification reactions, is determined by continuously calculating the digester reaction rate as a function of sensed idgester temp. sensed digester pressure and several constants which include an energy-of-activity constant and the gas constant of...
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Main Authors | , , |
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Format | Patent |
Language | English Korean |
Published |
04.05.1988
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Edition | 4 |
Subjects | |
Online Access | Get full text |
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Abstract | The degree of cooking in a sulphite digester for delignification reactions, is determined by continuously calculating the digester reaction rate as a function of sensed idgester temp. sensed digester pressure and several constants which include an energy-of-activity constant and the gas constant of the digester reaction, so that reaction rate value is obtd. over a time period. A value corresponding to partial pressure of SO2 is obtd. as a function of temp, and pressure, and is multiplied by the reaction rate value to give a delignification rate value which is integrated over time to obtain a kappa number corresponding to the degree of cooking in the digester. |
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AbstractList | The degree of cooking in a sulphite digester for delignification reactions, is determined by continuously calculating the digester reaction rate as a function of sensed idgester temp. sensed digester pressure and several constants which include an energy-of-activity constant and the gas constant of the digester reaction, so that reaction rate value is obtd. over a time period. A value corresponding to partial pressure of SO2 is obtd. as a function of temp, and pressure, and is multiplied by the reaction rate value to give a delignification rate value which is integrated over time to obtain a kappa number corresponding to the degree of cooking in the digester. |
Author | JOHNSON RALPH K KAYA AZMI KEYES MARION A |
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Discipline | Medicine Chemistry Sciences Physics |
DocumentTitleAlternate | 탈리그닌화의 아황산법 증해기에서 증해도를 측정하는 장치 |
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Snippet | The degree of cooking in a sulphite digester for delignification reactions, is determined by continuously calculating the digester reaction rate as a function... |
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SubjectTerms | APPARATUS THEREFOR INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PAPER-MAKING PHYSICS PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TESTING TEXTILES |
Title | SULFITE DIGESTER RATE OF DELIGNIFICATION SYSTEM |
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