FI71362C - Foerfarande foer foerhindrande av utslaepp av svavelinnehaollande gaser vid framstaellning av kemisk cellulosamassa - Google Patents

Foerfarande foer foerhindrande av utslaepp av svavelinnehaollande gaser vid framstaellning av kemisk cellulosamassa Download PDF

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Publication number
FI71362C
FI71362C FI822006A FI822006A FI71362C FI 71362 C FI71362 C FI 71362C FI 822006 A FI822006 A FI 822006A FI 822006 A FI822006 A FI 822006A FI 71362 C FI71362 C FI 71362C
Authority
FI
Finland
Prior art keywords
sulfur
chlorine
gas
sulfur dioxide
liquid
Prior art date
Application number
FI822006A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI822006A0 (fi
FI71362B (fi
Inventor
John Rickard Bergstroem
Original Assignee
Mo Och Domsjoe Ab
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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of FI822006A0 publication Critical patent/FI822006A0/fi
Publication of FI71362B publication Critical patent/FI71362B/fi
Application granted granted Critical
Publication of FI71362C publication Critical patent/FI71362C/fi

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Classifications

    • 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
    • B01D53/507—Sulfur oxides by treating the gases with other liquids
    • 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
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Paper (AREA)
FI822006A 1981-06-22 1982-06-04 Foerfarande foer foerhindrande av utslaepp av svavelinnehaollande gaser vid framstaellning av kemisk cellulosamassa FI71362C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8103892 1981-06-22
SE8103892A SE442523B (sv) 1981-06-22 1981-06-22 Forfarande for att forhindra utslepp av svavelinnehallande gaser vid framstellning av kemisk cellulosamassa

Publications (3)

Publication Number Publication Date
FI822006A0 FI822006A0 (fi) 1982-06-04
FI71362B FI71362B (fi) 1986-09-09
FI71362C true FI71362C (fi) 1986-12-19

Family

ID=20344115

Family Applications (1)

Application Number Title Priority Date Filing Date
FI822006A FI71362C (fi) 1981-06-22 1982-06-04 Foerfarande foer foerhindrande av utslaepp av svavelinnehaollande gaser vid framstaellning av kemisk cellulosamassa

Country Status (5)

Country Link
US (1) US4508593A (ref)
JP (1) JPS5870819A (ref)
CA (1) CA1174012A (ref)
FI (1) FI71362C (ref)
SE (1) SE442523B (ref)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE452756B (sv) * 1985-03-04 1987-12-14 Eka Nobel Ab Forfarande for framstellning av klordioxid
SE452757B (sv) * 1985-04-01 1987-12-14 Eka Nobel Ab Forfarande for framstellning av klordioxid
FI94266B (fi) * 1992-04-01 1995-04-28 Tampella Power Oy Menetelmä rikin talteenottamiseksi ja uudelleen käyttämiseksi sulfaatti sellutehtaassa
US6190636B1 (en) 1998-10-13 2001-02-20 Mohammed N. I. Khan Chloro-hydrogenation of sodium sulfate and other alkali-metal sulfates
DE102007020141A1 (de) * 2007-04-26 2008-10-30 Bayer Materialscience Ag Recyclegaswäscher zur Entfernung von SOx und Schwefelsäureaerosolen aus chlorhaltigen Prozessgasen
FI129150B (fi) * 2017-09-25 2021-08-13 Andritz Oy Menetelmä kemikaalitasapainon optimoimiseksi sellutehtaalla

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098639A (en) * 1975-06-17 1978-07-04 Mo Och Domsjo Aktiebolag Process for reducing the requirement of fresh chemicals without increasing emissions in the pulping of cellulosic material
CA1171238A (en) * 1980-11-17 1984-07-24 Erco Industries Limited Chlorine dioxide production using mixed acid feed
US4393036A (en) * 1981-11-10 1983-07-12 Erco Industries Limited Production of mixed sulfuric and hydrochloric acid feed and chlorine dioxide generation therewith

Also Published As

Publication number Publication date
US4508593A (en) 1985-04-02
CA1174012A (en) 1984-09-11
JPS5870819A (ja) 1983-04-27
SE8103892L (sv) 1982-12-23
FI822006A0 (fi) 1982-06-04
JPS6249098B2 (ref) 1987-10-16
FI71362B (fi) 1986-09-09
SE442523B (sv) 1986-01-13

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: MO OCH DOMSJOE AB