[go: up one dir, main page]

SE8400957L - Kausticeringsforfarande - Google Patents

Kausticeringsforfarande

Info

Publication number
SE8400957L
SE8400957L SE8400957A SE8400957A SE8400957L SE 8400957 L SE8400957 L SE 8400957L SE 8400957 A SE8400957 A SE 8400957A SE 8400957 A SE8400957 A SE 8400957A SE 8400957 L SE8400957 L SE 8400957L
Authority
SE
Sweden
Prior art keywords
lye
slaking
lime
needed
present
Prior art date
Application number
SE8400957A
Other languages
English (en)
Other versions
SE453101B (sv
SE8400957D0 (sv
Inventor
H Engdahl
Original Assignee
Enso Gutzeit 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 Enso Gutzeit Oy filed Critical Enso Gutzeit Oy
Publication of SE8400957D0 publication Critical patent/SE8400957D0/sv
Publication of SE8400957L publication Critical patent/SE8400957L/sv
Publication of SE453101B publication Critical patent/SE453101B/sv

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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/02—Lime
    • C04B2/04—Slaking
    • C04B2/06—Slaking with addition of substances, e.g. hydrophobic agents ; Slaking in the presence of other compounds
    • C04B2/066—Making use of the hydration reaction, e.g. the reaction heat for dehydrating gypsum; Chemical drying by using unslaked lime
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
SE8400957A 1983-02-23 1984-02-22 Kausticeringsforfarande och sleckning av kalk vid overtryck SE453101B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI830606A FI71786C (sv) 1983-02-23 1983-02-23 Kausticeringsförfarande.

Publications (3)

Publication Number Publication Date
SE8400957D0 SE8400957D0 (sv) 1984-02-22
SE8400957L true SE8400957L (sv) 1984-08-24
SE453101B SE453101B (sv) 1988-01-11

Family

ID=8516799

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8400957A SE453101B (sv) 1983-02-23 1984-02-22 Kausticeringsforfarande och sleckning av kalk vid overtryck

Country Status (8)

Country Link
US (1) US4627888A (sv)
JP (1) JPS59213617A (sv)
AT (1) AT378944B (sv)
BR (1) BR8400811A (sv)
CA (1) CA1218807A (sv)
FI (1) FI71786C (sv)
FR (1) FR2541331B1 (sv)
SE (1) SE453101B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI72156C (sv) * 1985-03-19 1987-04-13 Enso Gutzeit Oy Kausticeringsförfarande.
US5364610A (en) * 1993-06-15 1994-11-15 P. H. Glatfelter Company Process for preparation of high opacity precipitated calcium carbonate by reacting sodium carbonate with calcium hydroxide
US5368731A (en) * 1993-10-04 1994-11-29 Dorr-Oliver Incorporated Vacuum assisted slaker classifier
US5616283A (en) * 1995-08-25 1997-04-01 Chemical Lime Company High solids lime as a caustic replacement
US5620744A (en) * 1996-01-04 1997-04-15 Chemical Lime Company Method of preventing corrosion in concrete pipe
AU4809099A (en) * 1999-05-07 2000-11-21 Kvaerner Pulping Ab Feeding device and process and feeding system which utilise the feeding device
US8728428B1 (en) * 2013-03-13 2014-05-20 Carbon Engineering Limited Partnership Recovering a caustic solution via calcium carbonate crystal aggregates
US9637393B2 (en) 2014-05-19 2017-05-02 Carbon Engineering Limited Partnership Recovering a caustic solution via calcium carbonate crystal aggregates
CN114314984A (zh) * 2021-12-23 2022-04-12 徐州荣盛纺织整理有限公司 淡碱回收利用装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1862176A (en) * 1929-06-12 1932-06-07 Pure Calcium Products Company Method of making by-product whiting
GB431145A (en) * 1933-01-21 1935-07-02 Pittsburgh Plate Glass Co Improvements in or relating to finely divided calcium carbonate and method of producing it
US2552183A (en) * 1945-04-07 1951-05-08 Dorr Co Two-stage causticizing
US2592907A (en) * 1949-03-08 1952-04-15 Infilco Inc Cooking liquor treatment
FR1104996A (fr) * 1954-05-21 1955-11-25 Separation Sa Franc Pour La Procédé et installation pour la préparation de la liqueur blanche de papeterie
US2888324A (en) * 1955-07-26 1959-05-26 Kennedy Van Saun Mfg & Eng Method and apparatus for hydrating calcitic and dolomitic quicklimes
US2902346A (en) * 1956-06-20 1959-09-01 Nat Gypsum Co Pressure hydrated lime
US2979380A (en) * 1958-11-28 1961-04-11 Thomas C Miller Carbonate manufacture
GB941900A (en) * 1961-08-21 1963-11-13 Kaiser Aluminium Chem Corp Improvements in or relating to calcium carbonate
DE1244138B (de) * 1961-08-25 1967-07-13 Eimco Corp Verfahren zur Gewinnung von Natronlauge
US3194638A (en) * 1962-11-21 1965-07-13 Kimberly Clark Co Combined slaker-causticizer apparatus
US3531370A (en) * 1968-11-04 1970-09-29 Georgia Pacific Corp Color removal from waste effluents
US3677703A (en) * 1970-07-14 1972-07-18 Corson G & W H Method of purifying hydrates of calcined dolomite and magnesite
SE419997B (sv) * 1978-04-14 1981-09-07 Alf Ove Andersson Sett att bereda vitlut vit ett tryck over atmosferstrycket
SE7809167L (sv) * 1978-08-30 1980-03-01 Rosenblads Patenter Ab Barlastreduktion
US4159922A (en) * 1978-10-12 1979-07-03 Nalco Chemical Company Accelerated process for causticization of Kraft green liquor
US4451443A (en) * 1982-07-28 1984-05-29 Aluminum Company Of America Causticization method

Also Published As

Publication number Publication date
FI71786C (sv) 1987-02-09
JPH0450249B2 (sv) 1992-08-13
AT378944B (de) 1985-10-25
US4627888A (en) 1986-12-09
FI830606L (fi) 1984-08-24
CA1218807A (en) 1987-03-10
FR2541331B1 (fr) 1988-01-08
SE453101B (sv) 1988-01-11
FR2541331A1 (fr) 1984-08-24
ATA55184A (de) 1985-03-15
FI71786B (fi) 1986-10-31
BR8400811A (pt) 1984-10-02
FI830606A0 (fi) 1983-02-23
SE8400957D0 (sv) 1984-02-22
JPS59213617A (ja) 1984-12-03

Similar Documents

Publication Publication Date Title
SE8400957D0 (sv) Kausticeringsforfarande
FI851972A0 (fi) Foerfarande och anordning foer framstaellning av en gipsfiberskiva.
DE69200909D1 (de) Behandlung von Hackschnitzel mit Schwarzlauge.
WO1991005103A3 (en) Displacement heating in continuous digesters
BR9104005A (pt) Processo de tratar continuamente material fibroso celulosico fragmentado para produzir polpa kraft,processo de efetuar o cozimento kraft continuo de material fibroso celulosico fragmentado,e processo de tratar material fibroso celulosico fragmentado,num frasco ereto que possui um topo e um fundo
SE8304973D0 (sv) Forfarande for framstellning av kokvetska for kraftmassakokning
KR890012887A (ko) 활성탄의 제조방법
US3210235A (en) Pulping of cellulose materials in the presence of free sulfur in a kraft pulping system and cyclic liquor recovery therefor
GB998467A (en) Method of working up cellulose waste liquors containing sodium and sulphur
ES2062500T3 (es) Una preparacion de lignina y metodo para su preparacion.
DE69520366D1 (de) Verfahren zur abschliessenden eindampfung von schwarzlauge
SE7804239L (sv) Beredning av vitlut
SE8503618D0 (sv) Forfarande for framstellning av cellulosa med satsvis kokning
FI72156C (sv) Kausticeringsförfarande.
DE3673267D1 (de) Verfahren zur erhoehung des trockengehaltes von schwarzlauge.
US1543763A (en) Decolorizing carbon and process of producing the same
Zsako et al. Use of thermal analysis in the study of sodium carbonate causticization by means of dolomitic lime
US1832375A (en) Process for the production of cellulose and hydrocarbons from sugar cane sprouts and refuse and burnt and frozen cane
SU1416576A1 (ru) Способ получени целлюлозного полуфабриката
SU958558A1 (ru) Способ получени целлюлозы
US1678230A (en) Process for the production of high-alpha-cellulose fiber
JPS6029796B2 (ja) アルカリパルプ化又はアルカリ標白方法。
Hess et al. COKING OF WASTE KRAFT PULPING LIQUORS AT LOWERED PH
KR940006640A (ko) 사문석을 주제로한 흡착제 제조방법
SU69605A1 (ru) Способ получени глинозема

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8400957-0

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8400957-0

Format of ref document f/p: F