PROCESS FOR PRODUCING KRAFT PULP

• Main Authors: WAKAMOTO,S, KAWANO, NORIO, FURUSHO, SABURO
• Format: Patent
• Language: English; French; German
• Published: 03.10.2007
• Edition: 7
• Subjects: APPARATUS THEREFOR; PAPER-MAKING; PRODUCTION OF CELLULOSE; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; TEXTILES

In the process for producing kraft pulp, there are provided (G) a potassium ion removal step of flowing an aqueous solution containing ashes recovered from a combustion exhaust gas generated in a black solution combustion step (E) by a dust collector through a packed bed filled with a sodium-type ca...