Fractionating – New Reveals of Stock Retention Mechanisms with Optimized Use of and Mixing of Additives in Paper and Board Production, 19PaperCon
Fines and filler management is vital part of efficient paper and board making. In paper making it is important to retain fibers, fines and fillers first to wire section where chemicals are needed. Unretained fines and fillers are risk for deposit creation at short circulation and contribution to web strength is not the same as fines created by refining. Most important in fines management is to treat first quantity and further quality.
Modern retention chemical systems are quite complex containing many components according the needs of produced grades or process. Dosing of different additive components is typically based on online white‐water consistency, water removal etc. measurements. Essential part of chemicals reactions in pulp suspension is efficient mixing of chemical at right moment.
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Fractionating – New Reveals of Stock Retention Mechanisms with Optimized Use of and Mixing of Additi