PT3732327T - Método e sistema para ajustar o equilíbrio s/na de uma fábrica de celulose - Google Patents

Método e sistema para ajustar o equilíbrio s/na de uma fábrica de celulose

Info

Publication number
PT3732327T
PT3732327T PT188304992T PT18830499T PT3732327T PT 3732327 T PT3732327 T PT 3732327T PT 188304992 T PT188304992 T PT 188304992T PT 18830499 T PT18830499 T PT 18830499T PT 3732327 T PT3732327 T PT 3732327T
Authority
PT
Portugal
Prior art keywords
balance
adjusting
pulp mill
pulp
mill
Prior art date
Application number
PT188304992T
Other languages
English (en)
Original Assignee
Valmet Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI20176188A external-priority patent/FI129614B/en
Priority claimed from FI20176189A external-priority patent/FI129615B/en
Application filed by Valmet Technologies Oy filed Critical Valmet Technologies Oy
Publication of PT3732327T publication Critical patent/PT3732327T/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0014—Combination of various pulping processes with one or several recovery systems (cross-recovery)
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D21C11/08—Deodorisation ; Elimination of malodorous compounds, e.g. sulfur compounds such as hydrogen sulfide or mercaptans, from gas streams
PT188304992T 2017-12-29 2018-12-20 Método e sistema para ajustar o equilíbrio s/na de uma fábrica de celulose PT3732327T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20176188A FI129614B (en) 2017-12-29 2017-12-29 Method and system for adjusting the S / Na balance of a pulp mill
FI20176189A FI129615B (en) 2017-12-29 2017-12-29 Method and system for adjusting the S / Na balance of a pulp mill

Publications (1)

Publication Number Publication Date
PT3732327T true PT3732327T (pt) 2025-11-03

Family

ID=65003413

Family Applications (1)

Application Number Title Priority Date Filing Date
PT188304992T PT3732327T (pt) 2017-12-29 2018-12-20 Método e sistema para ajustar o equilíbrio s/na de uma fábrica de celulose

Country Status (10)

Country Link
US (2) US11619000B2 (pt)
EP (2) EP3732327B1 (pt)
CN (2) CN111542662A (pt)
BR (2) BR112020010000B1 (pt)
CA (2) CA3083996A1 (pt)
CL (2) CL2020001727A1 (pt)
ES (1) ES3047105T3 (pt)
PL (1) PL3732327T3 (pt)
PT (1) PT3732327T (pt)
WO (2) WO2019129922A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT3732327T (pt) 2017-12-29 2025-11-03 Valmet Technologies Oy Método e sistema para ajustar o equilíbrio s/na de uma fábrica de celulose
PT3824136T (pt) * 2018-07-19 2023-05-08 Paques Ip Bv Um processo para controlar o equilíbrio de sódio e enxofre numa fábrica de celulose

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE218041C1 (sv) * 1962-12-17 1968-01-02 Mo Och Domsjoe Ab Sätt att med rökgas avdriva svavelväte från lösningar innehållande alkalisulfid
FI52367C (fi) * 1976-04-20 1977-08-10 Rosenlew Ab Oy W Menetelmä sellutuksessa syntyvien rikkiyhdisteiden, helposti haihtuvie n alkoholien ja tärpätin tai sen tapaisten talteenottamiseksi
US4225381A (en) * 1978-12-12 1980-09-30 Oji Paper Co., Ltd. Method for removing odor from fluid
CN1033852A (zh) * 1988-08-29 1989-07-12 云南工学院 小纸浆厂黑液污染治理新工艺
NL9002661A (nl) 1990-12-04 1992-07-01 Pacques Bv Werkwijze voor de verwijdering van h2s uit gas.
US5196069A (en) 1991-07-05 1993-03-23 The United States Of America As Represented By The United States National Aeronautics And Space Administration Apparatus and method for cellulose processing using microwave pretreatment
GB9117936D0 (en) * 1991-08-20 1991-10-09 Canada Inc Production of sodium hydroxide
US5518619A (en) 1992-05-26 1996-05-21 Paques B. V. Process for removing sulphur compounds from water
NL9301000A (nl) * 1993-06-10 1995-01-02 Pacques Bv Werkwijze voor de zuivering van sulfidehoudend afvalwater.
NL9500577A (nl) 1995-03-24 1996-11-01 Pacques Bv Werkwijze voor het reinigen van gassen.
US6156205A (en) * 1996-05-10 2000-12-05 Paques Bio Systems B.V. Process for the purification of gases containing hydrogen sulphide
EP0819756A1 (en) 1996-07-16 1998-01-21 Biostar Development C.V. Sulphur reducing bacterium and its use in biological desulphurisation processes
EP0958251B1 (en) 1996-07-29 2002-10-23 Pâques Bio Systems B.V. Biological treatment of spent caustics
WO1999057365A1 (en) * 1998-04-30 1999-11-11 Bruce Der Apparatus and method for the pressurized scrubbing of total reduced sulphur compounds from kraft pulp mill non-condensible gases
FI982141L (fi) * 1998-10-02 2000-04-03 Kvaerner Pulping Oy Menetelmä pelkistyneiden rikkiyhdisteiden erottamiseksi sellutehtaan väkevistä hajukaasuista
US6440379B1 (en) * 1999-11-08 2002-08-27 Mcdermott Technology, Inc. Apparatus to recover sulfur from concentrated acid gas into alkaline solution
ATE400350T1 (de) 2003-05-29 2008-07-15 Shell Int Research Verfahren zur entfernung von , hcn und h2s und wahlweise cos, cs2 und nh3 aus einem gasstrom
WO2010115871A1 (en) * 2009-04-08 2010-10-14 Shell Internationale Research Maatschappij B.V. Method of treating an off-gas stream and an apparatus therefor
CN105498470A (zh) * 2014-09-25 2016-04-20 中国石油化工股份有限公司 一种微生物脱硫及硫磺回收的方法
UA119796C2 (uk) * 2014-10-29 2019-08-12 Кембі Текнолоджі Ас Спосіб обробки матеріалу біомаси й органічних відходів
EP3386925B1 (en) * 2015-12-07 2025-03-05 Clean Chemistry, Inc. Methods of microbial control
PT3732327T (pt) 2017-12-29 2025-11-03 Valmet Technologies Oy Método e sistema para ajustar o equilíbrio s/na de uma fábrica de celulose

Also Published As

Publication number Publication date
US11634864B2 (en) 2023-04-25
CL2020001728A1 (es) 2021-02-19
PL3732327T3 (pl) 2026-01-19
CA3083995A1 (en) 2019-07-04
CN111542662A (zh) 2020-08-14
CL2020001727A1 (es) 2021-02-19
US20200385925A1 (en) 2020-12-10
CA3083996A1 (en) 2019-07-04
WO2019129921A1 (en) 2019-07-04
US11619000B2 (en) 2023-04-04
EP3732326A1 (en) 2020-11-04
EP3732327A1 (en) 2020-11-04
CN111542661A (zh) 2020-08-14
CN111542661B (zh) 2023-07-18
EP3732327B1 (en) 2025-07-30
US20200291574A1 (en) 2020-09-17
BR112020009792B1 (pt) 2024-02-06
WO2019129922A1 (en) 2019-07-04
ES3047105T3 (en) 2025-12-03
BR112020010000B1 (pt) 2024-02-06
BR112020010000A2 (pt) 2020-11-03
BR112020009792A2 (pt) 2020-11-03

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