FI92726B - Menetelmä ja laite rikkidioksidin talteenottamiseksi sulfaattiselluloosatehtaan kemikaalikierrosta - Google Patents

Menetelmä ja laite rikkidioksidin talteenottamiseksi sulfaattiselluloosatehtaan kemikaalikierrosta

Info

Publication number
FI92726B
FI92726B FI915672A FI915672A FI92726B FI 92726 B FI92726 B FI 92726B FI 915672 A FI915672 A FI 915672A FI 915672 A FI915672 A FI 915672A FI 92726 B FI92726 B FI 92726B
Authority
FI
Finland
Prior art keywords
sulfur dioxide
pulp mill
sulphate pulp
recovering sulfur
chemical cycle
Prior art date
Application number
FI915672A
Other languages
English (en)
Swedish (sv)
Other versions
FI92726C (fi
FI915672A0 (fi
FI915672A (fi
Inventor
Esko Mattelmaeki
Original Assignee
Ahlstroem 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
Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI915672A priority Critical patent/FI92726C/fi
Publication of FI915672A0 publication Critical patent/FI915672A0/fi
Priority to CA002083899A priority patent/CA2083899A1/en
Priority to SE9203583A priority patent/SE9203583L/xx
Priority to US07/983,160 priority patent/US5366716A/en
Priority to JP4322039A priority patent/JPH07121333B2/ja
Publication of FI915672A publication Critical patent/FI915672A/fi
Application granted granted Critical
Publication of FI92726B publication Critical patent/FI92726B/fi
Publication of FI92726C publication Critical patent/FI92726C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/60—Isolation of sulfur dioxide from gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/02—Oxides of chlorine
    • C01B11/022—Chlorine dioxide (ClO2)
    • C01B11/023—Preparation from chlorites or chlorates
    • 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
    • D21C11/06—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/08—Multieffect or multistage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Paper (AREA)
FI915672A 1991-12-02 1991-12-02 Menetelmä ja laite rikkidioksidin talteenottamiseksi sulfaattiselluloosatehtaan kemikaalikierrosta FI92726C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI915672A FI92726C (fi) 1991-12-02 1991-12-02 Menetelmä ja laite rikkidioksidin talteenottamiseksi sulfaattiselluloosatehtaan kemikaalikierrosta
CA002083899A CA2083899A1 (en) 1991-12-02 1992-11-26 Method of and an apparatus for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill
SE9203583A SE9203583L (sv) 1991-12-02 1992-11-27 Foerfarande och anordning foer aatervinning av svaveldioxid ur en sulfatmassafabriks kemikaliecirkulation
US07/983,160 US5366716A (en) 1991-12-02 1992-11-30 Method for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill
JP4322039A JPH07121333B2 (ja) 1991-12-02 1992-12-01 硫酸塩パルプ工場の化学薬品の循環から二酸化硫黄を回収する方法と装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI915672 1991-12-02
FI915672A FI92726C (fi) 1991-12-02 1991-12-02 Menetelmä ja laite rikkidioksidin talteenottamiseksi sulfaattiselluloosatehtaan kemikaalikierrosta

Publications (4)

Publication Number Publication Date
FI915672A0 FI915672A0 (fi) 1991-12-02
FI915672A FI915672A (fi) 1993-06-03
FI92726B true FI92726B (fi) 1994-09-15
FI92726C FI92726C (fi) 1994-12-27

Family

ID=8533591

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915672A FI92726C (fi) 1991-12-02 1991-12-02 Menetelmä ja laite rikkidioksidin talteenottamiseksi sulfaattiselluloosatehtaan kemikaalikierrosta

Country Status (5)

Country Link
US (1) US5366716A (fi)
JP (1) JPH07121333B2 (fi)
CA (1) CA2083899A1 (fi)
FI (1) FI92726C (fi)
SE (1) SE9203583L (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020150333A1 (en) * 2001-02-17 2002-10-17 Reed William Alfred Fiber devices using grin fiber lenses
FI20030928A (fi) * 2003-06-19 2004-12-20 Kvaerner Power Oy Menetelmä mekaanisen massan valkaisussa käytettävän natriumditioniitin valmistamiseksi
US7985396B2 (en) * 2008-07-11 2011-07-26 Solvay Chemicals, Inc. Process for production of sodium bisulfite
CN112939029A (zh) * 2021-03-30 2021-06-11 南京硫研环保科技有限公司 一种高浓度so2富气制备焦亚硫酸钠的装置及方法
JP7374980B2 (ja) * 2021-12-28 2023-11-07 日華化学株式会社 感熱記録材料及びその製造方法
KR20240027041A (ko) * 2021-06-30 2024-02-29 닛카카가쿠가부시키가이샤 감열 기록 재료 및 이의 제조방법
JP7362694B2 (ja) * 2021-06-30 2023-10-17 日華化学株式会社 クラフトリグニン、感熱記録用顕色剤及び感熱記録材料

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485581A (en) * 1966-11-15 1969-12-23 Wellman Lord Inc Process for recovering sulfur dioxide from gases containing same
US3607037A (en) * 1968-12-20 1971-09-21 Wellman Lord Inc Separation of sulfur dioxide from gases
SE386923B (sv) * 1972-04-21 1976-08-23 Owens Illinois Inc Forfarande for atervinning av kemikalier fran avlut, spec. avlut fran sulfitkokning pa natriumbas
FI51605C (fi) * 1975-01-20 1977-02-10 Ahlstroem Oy Tapa ja laite nesteiden haihduttamiseksi.
US4329198A (en) * 1975-09-12 1982-05-11 Standiford Ferris C Apparatus for forced circulation evaporation
CH620368A5 (fi) * 1977-06-07 1980-11-28 Buehler Ag Geb
LU79605A1 (fr) * 1978-05-05 1979-12-06 P Laguilharre Procede pour ameliorer le coefficient de transfert dans les tubes d'un evaporateur a flot tombant
US4483740A (en) * 1983-08-03 1984-11-20 A. H. Lundberg Associates, Inc. Method for recovery of reusable chemicals from C102 generator effluent
FI76699C (fi) * 1986-06-25 1988-12-12 Ahlstroem Oy Indunstare av roertyp.
US4897157A (en) * 1986-07-08 1990-01-30 Kamyr, Inc. Make-up liquor and black liquor evaporating processing during pulp production
US4885148A (en) * 1988-09-06 1989-12-05 Phosphate Engineering & Construction Co., Inc. Production of monobasic potassium phosphate with low chloride content from potassium chloride and phosphoric acid produced from the commercial wet process
US4944839A (en) * 1989-05-30 1990-07-31 Rosenblad Corporation Interstage liquor heater for plate type falling film evaporators

Also Published As

Publication number Publication date
JPH05220324A (ja) 1993-08-31
FI92726C (fi) 1994-12-27
JPH07121333B2 (ja) 1995-12-25
SE9203583D0 (sv) 1992-11-27
SE9203583L (sv) 1993-06-03
FI915672A0 (fi) 1991-12-02
CA2083899A1 (en) 1993-06-03
US5366716A (en) 1994-11-22
FI915672A (fi) 1993-06-03

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: A. AHLSTROM CORPORATION

BB Publication of examined application
MM Patent lapsed