CA2163180A1 - Waste Recovery and Utilization in the Kraft Recovery Process - Google Patents

Waste Recovery and Utilization in the Kraft Recovery Process

Info

Publication number
CA2163180A1
CA2163180A1 CA2163180A CA2163180A CA2163180A1 CA 2163180 A1 CA2163180 A1 CA 2163180A1 CA 2163180 A CA2163180 A CA 2163180A CA 2163180 A CA2163180 A CA 2163180A CA 2163180 A1 CA2163180 A1 CA 2163180A1
Authority
CA
Canada
Prior art keywords
recovery
flue gas
kraft
utilization
heat exchanger
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2163180A
Other languages
French (fr)
Other versions
CA2163180C (en
Inventor
Robert A. Mcilroy
William Downs
Daniel R. Rowley
Dennis W. Johnson
Jean M. Czuczwa
Karl H. Schulze
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Babcock and Wilcox Co
Original Assignee
Robert A. Mcilroy
William Downs
Daniel R. Rowley
Dennis W. Johnson
Jean M. Czuczwa
Karl H. Schulze
The Babcock & Wilcox Company
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 Robert A. Mcilroy, William Downs, Daniel R. Rowley, Dennis W. Johnson, Jean M. Czuczwa, Karl H. Schulze, The Babcock & Wilcox Company filed Critical Robert A. Mcilroy
Publication of CA2163180A1 publication Critical patent/CA2163180A1/en
Application granted granted Critical
Publication of CA2163180C publication Critical patent/CA2163180C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • B01D53/501Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/502Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0078Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
    • B01D5/009Collecting, removing and/or treatment of the condensate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/002Separation 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 by condensation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/73After-treatment of removed components
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00Preventing emissions
    • F23J2215/20Sulfur; Compounds thereof
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00Paper making and fiber liberation
    • Y10S162/02Chip soaking

Abstract

An integrated flue gas treatment and condensing heat exchanger is used to scrub sulfur dioxide from the flue gas produced by a power boiler used in a paper mill operating a kraft process. Sensible and latent heat from the flue gas is recovered and the condensate effluent from the condensing heat exchanger contains valuable chemicals that are returned to and used in the kraft process.
CA002163180A 1994-11-30 1995-11-17 Waste recovery and utilization in the kraft recovery process Expired - Fee Related CA2163180C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34695694A 1994-11-30 1994-11-30
US08/346,956 1994-11-30

Publications (2)

Publication Number Publication Date
CA2163180A1 true CA2163180A1 (en) 1996-05-31
CA2163180C CA2163180C (en) 2000-09-05

Family

ID=23361732

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002163180A Expired - Fee Related CA2163180C (en) 1994-11-30 1995-11-17 Waste recovery and utilization in the kraft recovery process

Country Status (6)

Country Link
US (1) US5820830A (en)
BR (1) BR9505562A (en)
CA (1) CA2163180C (en)
FI (1) FI955756A (en)
NO (1) NO954852L (en)
SE (1) SE9504064L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023147644A1 (en) * 2022-02-04 2023-08-10 Alberta Pacific Forest Industries Inc. System and method for stack heat recovery

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6694926B2 (en) * 2000-01-10 2004-02-24 Lochinvar Corporation Water heater with continuously variable air and fuel input
JP2001276564A (en) * 2000-03-30 2001-10-09 Miura Co Ltd Denitration device of boiler
US8066056B2 (en) * 2004-05-26 2011-11-29 Sme Products, Lp Heat exchange system for plume abatement
US7622094B2 (en) 2004-11-19 2009-11-24 Larry Lewis Method of recovering energy using a catalytic finned heat exchanger
FI126573B (en) * 2010-06-07 2017-02-28 Kemira Oyj Process for producing microcellulose
FI126649B (en) * 2010-06-07 2017-03-31 Aalto Univ Found New process for the preparation of microcellulose
CN106029617A (en) * 2014-02-24 2016-10-12 拜奥开姆泰克股份公司 Integrated process for producing cellulosic pulp and polyols stream
US9416711B1 (en) 2015-02-26 2016-08-16 Peter Lee Randall Exhaust energy recovery and pollution control system for marine vessel
US10543434B2 (en) * 2015-03-17 2020-01-28 Arkansas State University—Jonesboro Method and system of increasing water and acid condensation from flue gas
CN110604993A (en) * 2019-09-27 2019-12-24 上海华闵环境科技发展有限公司 Plastic granulation waste gas treatment system and treatment method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA540997A (en) * 1957-05-14 Western Precipitation Corporation Treatment of sodium base sulfite residual liquor
US4705101A (en) * 1979-10-04 1987-11-10 Heat Exchanger Industries, Inc. Flue gas reheat apparatus
US4487139A (en) * 1979-10-04 1984-12-11 Heat Exchanger Industries, Inc. Exhaust gas treatment method and apparatus
ATE49469T1 (en) * 1981-04-09 1990-01-15 Heat Exchanger Ind Inc METHOD OF MAKING A HEAT EXCHANGER AND HEAT EXCHANGER ACCORDING TO THIS METHOD.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023147644A1 (en) * 2022-02-04 2023-08-10 Alberta Pacific Forest Industries Inc. System and method for stack heat recovery

Also Published As

Publication number Publication date
FI955756A (en) 1996-05-31
FI955756A0 (en) 1995-11-29
NO954852L (en) 1996-05-31
NO954852D0 (en) 1995-11-29
US5820830A (en) 1998-10-13
SE9504064D0 (en) 1995-11-15
CA2163180C (en) 2000-09-05
SE9504064L (en) 1996-05-31
BR9505562A (en) 1997-11-04

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed