FI57796C - Sulfiditetskontroll - Google Patents

Sulfiditetskontroll Download PDF

Info

Publication number
FI57796C
FI57796C FI761523A FI761523A FI57796C FI 57796 C FI57796 C FI 57796C FI 761523 A FI761523 A FI 761523A FI 761523 A FI761523 A FI 761523A FI 57796 C FI57796 C FI 57796C
Authority
FI
Finland
Prior art keywords
sulfur
sodium
solution
dioxide
digestion
Prior art date
Application number
FI761523A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI761523A7 (pm
FI57796B (fi
Inventor
Sture Erik Olof Noreus
Lars Tage Uhlin
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 FI761523A7 publication Critical patent/FI761523A7/fi
Publication of FI57796B publication Critical patent/FI57796B/fi
Application granted granted Critical
Publication of FI57796C publication Critical patent/FI57796C/fi

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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye

Landscapes

  • Paper (AREA)
  • Treating Waste Gases (AREA)
FI761523A 1975-06-17 1976-05-28 Sulfiditetskontroll FI57796C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7506965A SE391357B (sv) 1975-06-17 1975-06-17 Forfarande for minskning av behovet av ferska kemikalier vid uppslutning av cellulosahaltigt material med natrium- och svavelhaltiga losningar
SE7506965 1975-06-17

Publications (3)

Publication Number Publication Date
FI761523A7 FI761523A7 (pm) 1976-12-18
FI57796B FI57796B (fi) 1980-06-30
FI57796C true FI57796C (fi) 1980-10-10

Family

ID=20324897

Family Applications (1)

Application Number Title Priority Date Filing Date
FI761523A FI57796C (fi) 1975-06-17 1976-05-28 Sulfiditetskontroll

Country Status (8)

Country Link
JP (1) JPS5215602A (pm)
BR (1) BR7603905A (pm)
CA (1) CA1076306A (pm)
FI (1) FI57796C (pm)
FR (1) FR2314965A1 (pm)
NO (1) NO762084L (pm)
NZ (1) NZ181025A (pm)
SE (1) SE391357B (pm)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE411772B (sv) * 1978-04-07 1980-02-04 Sca Development Ab Sett for minskning av utsleppen till recipient och atmosfer vid uppslutning av cellulosahaltigt material
JPS5611990A (en) * 1979-07-03 1981-02-05 Tomoyasu Noritake Combustion improver for fuel in internal combustion engine
CA1224628A (en) * 1982-12-09 1987-07-28 Union Carbide Corporation Diesel fuels
JPS59202293A (ja) * 1983-04-28 1984-11-16 Nippon Synthetic Chem Ind Co Ltd:The 燃料組成物の製造方法
JPS6330593A (ja) * 1986-07-24 1988-02-09 Kotobuki Senpaku Shoji:Kk 燃油改質方法
JP4230612B2 (ja) 1999-05-28 2009-02-25 日本製紙株式会社 クラフト法パルプ製造プロセスにおける薬品回収方法
FI130066B (en) 2019-02-13 2023-01-31 Andritz Oy A method for replacing sodium losses in a pulp mill and a method for producing bleached cellulose pulp

Also Published As

Publication number Publication date
NZ181025A (en) 1978-04-28
FI761523A7 (pm) 1976-12-18
FR2314965B1 (pm) 1980-10-17
NO762084L (pm) 1976-12-20
FR2314965A1 (fr) 1977-01-14
CA1076306A (en) 1980-04-29
BR7603905A (pt) 1977-04-05
JPS5325042B2 (pm) 1978-07-25
SE7506965L (sv) 1976-12-18
FI57796B (fi) 1980-06-30
JPS5215602A (en) 1977-02-05
SE391357B (sv) 1977-02-14

Similar Documents

Publication Publication Date Title
US4053352A (en) Method for producing oxidized white liquor
US4039372A (en) Bleach plant filtrate recovery
FI66443B (fi) Process foer haemmande av bildning av avlagringar vid uppslutning av cellulosa och behandlingsprocesser av cellulosamassa
RU2126863C1 (ru) Способ отделения серных соединений (варианты)
US6030494A (en) Method of treating melodorous gases of a pulp mill
US3959452A (en) Process for removing hydrogen sulfide from contaminated gas
US3833462A (en) Process of removing sodium chloride from kraft pulping process chemical recovery systems
FI57796C (fi) Sulfiditetskontroll
FI103902B (fi) Menetelmä keittolipeiden, joilla on korkea sulfidisuus, valmistamiseksi sukfaattisellun keittämiseksi
FI64408B (fi) Saett vid uppslutning av cellulosahaltigt material
BRPI0604305B1 (pt) método para o processamento de gases residuais
JPH07500383A (ja) 水酸化ナトリウムの製造方法
CA1061962A (en) Sodium chloride removal in pulp mill systems
US3650889A (en) Pollution controlled polysulfide recovery process
GB1336899A (en) Pollution controlled polysulphide recovery process
US11634864B2 (en) Method and a system for adjusting S/Na-balance of a pulp mill
US5759345A (en) Process for treating sulphur-containing spent liquor using multi-stage carbonization
US4508593A (en) Process for recovery of sulfur dioxide liberated in the chemical pulping of lignocellulosic material
EP1524241B1 (en) A method for producing sodium dithionite to be used in the bleaching of mechanical pulp
US3986923A (en) Removal of dissolved salts from sulphide liquors
US4981556A (en) Process for the preparation of sulfide-free alkali liquor using copperoxide
US3996097A (en) Kraft mill recovery system
US2909407A (en) Method in the recovery of alkali and sulphur by carbonization of melt soda solutions obtained in the manufacture of cellulose
FI67244B (fi) Foerfarande foer utstoetning av klorider
CA1059271A (en) Removal of sodium chloride from pulp mill systems

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: MO OCH DOMSJOE AKTIEBOLAG