(19)
(11) EP 3 983 605 A1

(12)

(43) Date of publication:
20.04.2022 Bulletin 2022/16

(21) Application number: 19932659.6

(22) Date of filing: 14.06.2019
(51) International Patent Classification (IPC): 
D21C 1/06(2006.01)
D21C 9/18(2006.01)
D21C 3/02(2006.01)
(52) Cooperative Patent Classification (CPC):
D21C 9/18; D21C 3/02; D21C 1/06; D21C 1/02
(86) International application number:
PCT/IB2019/000599
(87) International publication number:
WO 2020/249992 (17.12.2020 Gazette 2020/51)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: Bracell Bahia Specialty Cellulose SA
42810-290 Camaçari, Bahia (BR)

(72) Inventors:
  • TURQUETI, André de Azambuja
    42825-901 Camaçari, Bahia (BR)
  • SALAROLI Vinicius de Oliveira
    41830-498 Pituba, Salvator, Bahia (BR)

(74) Representative: Cabinet Beaumont 
4, Place Robert Schuman B.P. 1529
38025 Grenoble Cedex 1
38025 Grenoble Cedex 1 (FR)

   


(54) HIGH ALPHA AND HIGH INTRINSIC VISCOSITY PULP PRODUCTION APPARATUSES, METHODS AND SYSTEMS