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Método para aumentar a eficiência de aditivos químicos em um sistema de fabricação de papel
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Title:
Método para aumentar a eficiência de aditivos químicos em um sistema de fabricação de papel
Author:
DAVIT EDWARD SHAROYAN
;
JOHN CHARLES HARRINGTON IV
;
FLÁVIO HENRIQUE GAZZOTTI BUENO DE OLIVEIRA
;
VALMIR FRAUCHES DE FREITAS
Subjects:
IMPREGNATING OR COATING OF PAPER
;
PAPER NOT OTHERWISE PROVIDED FOR
;
PAPER-MAKING
;
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
;
PRODUCTION OF CELLULOSE
;
PULP COMPOSITIONS
;
TEXTILES
;
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
Description:
método para aumentar a eficiência química de aditivos químicos em um sistema de fabricação de papel inclui as etapas de fornecer polpa-base espessa que compreende lignina solúvel, água de processo e pelo menos cerca de 2 % em peso de fibra celulósica com base no peso total da polpa-base espessa e adicionar pelo menos um polímero orgânico à polpa-base espessa para reduzir a quantidade de lignina solúvel na mesma. o polímero orgânico é escolhido dentre polímeros catiônicos, polímeros não iônicos e combinações dos mesmos. A method of increasing chemical efficiency of chemical additives in a papermaking system includes the steps of providing thick stock pulp comprising soluble lignin, process water, and at least about 2% by weight of cellulosic fiber based on total weight of thick stock pulp, and adding at least one organic polymer to the thick stock pulp to reduce the amount of soluble lignin therein. The organic polymer is chosen from cationic polymers, non-ionic polymers and combinations thereof.
Creation Date:
2024
Language:
Portuguese
Source:
esp@cenet
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