FI894049A - Menetelmä lämmön ja kemikaalien ottamiseksi talteen jätelipeästä - Google Patents

Menetelmä lämmön ja kemikaalien ottamiseksi talteen jätelipeästä Download PDF

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Publication number
FI894049A
FI894049A FI894049A FI894049A FI894049A FI 894049 A FI894049 A FI 894049A FI 894049 A FI894049 A FI 894049A FI 894049 A FI894049 A FI 894049A FI 894049 A FI894049 A FI 894049A
Authority
FI
Finland
Prior art keywords
chemicals
waste liquor
recovering heat
recovering
heat
Prior art date
Application number
FI894049A
Other languages
English (en)
Swedish (sv)
Other versions
FI91006B (fi
FI894049A0 (fi
Inventor
Pertti Petaenen
Original Assignee
Tampella Oy 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8528906&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI894049(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tampella Oy Ab filed Critical Tampella Oy Ab
Priority to FI894049A priority Critical patent/FI91006B/fi
Publication of FI894049A0 publication Critical patent/FI894049A0/fi
Priority to SE9002746A priority patent/SE504420C2/sv
Priority to US07/575,931 priority patent/US5230773A/en
Publication of FI894049A publication Critical patent/FI894049A/fi
Application granted granted Critical
Publication of FI91006B publication Critical patent/FI91006B/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • 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
    • D21C11/10—Concentrating spent liquor by evaporation
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
    • 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
    • Y10S159/20—Additive
    • 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
    • Y10S159/34—Caustic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
FI894049A 1989-08-29 1989-08-29 Menetelmä lämmön ja kemikaalien ottamiseksi talteen jätelipeästä FI91006B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI894049A FI91006B (fi) 1989-08-29 1989-08-29 Menetelmä lämmön ja kemikaalien ottamiseksi talteen jätelipeästä
SE9002746A SE504420C2 (sv) 1989-08-29 1990-08-28 Sätt att återvinna värme och kemikalier ur en blandning av aska och avlut
US07/575,931 US5230773A (en) 1989-08-29 1990-08-31 Process for the recovery of heat and chemicals from spent liquor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI894049A FI91006B (fi) 1989-08-29 1989-08-29 Menetelmä lämmön ja kemikaalien ottamiseksi talteen jätelipeästä

Publications (3)

Publication Number Publication Date
FI894049A0 FI894049A0 (fi) 1989-08-29
FI894049A true FI894049A (fi) 1991-03-02
FI91006B FI91006B (fi) 1994-01-14

Family

ID=8528906

Family Applications (1)

Application Number Title Priority Date Filing Date
FI894049A FI91006B (fi) 1989-08-29 1989-08-29 Menetelmä lämmön ja kemikaalien ottamiseksi talteen jätelipeästä

Country Status (3)

Country Link
US (1) US5230773A (fi)
FI (1) FI91006B (fi)
SE (1) SE504420C2 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5662774A (en) * 1992-04-01 1997-09-02 Tampella Power Oy Adjusting the sulphur balance of a sulphate cellulose plant by heat treating black liquor in a last evaporation stage
US5711874A (en) * 1995-11-21 1998-01-27 I.B.E. Co., Ltd. Water treating apparatus
FI962758A (fi) * 1996-07-05 1998-01-06 Ahlstrom Machinery Oy Menetelmä ja järjestelmä mustalipeän käsittelemiseksi

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1779536A (en) * 1929-04-01 1930-10-28 Edward G Goodell Method of dehydrating black liquor
US3862909A (en) * 1972-09-05 1975-01-28 Copeland Systems Inc Fluidized bed autogenous combustion and pyrolysis of aqueous effluents to prepare activated carbon
US4312702A (en) * 1980-05-06 1982-01-26 Domtar Inc. Fluidized bed start up and operation
US4363698A (en) * 1980-06-27 1982-12-14 Combustion Engineering, Inc. Method for drying and burning viscous aqueous liquors which contain organics
CA1158003A (en) * 1980-11-17 1983-12-06 Albert J. Liem Pulp mill recovery
FI73474B (fi) * 1985-04-25 1987-06-30 Tampella Oy Ab Saett att aotervinna vaerme och kemikalier fraon avlut.

Also Published As

Publication number Publication date
US5230773A (en) 1993-07-27
FI91006B (fi) 1994-01-14
SE9002746D0 (sv) 1990-08-28
SE9002746L (sv) 1991-03-01
FI894049A0 (fi) 1989-08-29
SE504420C2 (sv) 1997-02-03

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Legal Events

Date Code Title Description
BB Publication of examined application
GB Transfer or assigment of application

Owner name: KVAERNER PULPING OY

FC Application refused

Owner name: KVAERNER PULPING OY