SE9303645D0 - Ways to purify wastewater - Google Patents

Ways to purify wastewater

Info

Publication number
SE9303645D0
SE9303645D0 SE9303645A SE9303645A SE9303645D0 SE 9303645 D0 SE9303645 D0 SE 9303645D0 SE 9303645 A SE9303645 A SE 9303645A SE 9303645 A SE9303645 A SE 9303645A SE 9303645 D0 SE9303645 D0 SE 9303645D0
Authority
SE
Sweden
Prior art keywords
steam
evaporator
waste water
condensate
ways
Prior art date
Application number
SE9303645A
Other languages
Swedish (sv)
Other versions
SE9303645L (en
SE502916C2 (en
Original Assignee
Sunds Defibrator Ind 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 Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab
Priority to SE9303645A priority Critical patent/SE502916C2/en
Publication of SE9303645D0 publication Critical patent/SE9303645D0/en
Priority to AU10368/95A priority patent/AU678081B2/en
Priority to EP95900961A priority patent/EP0726879A1/en
Priority to PCT/SE1994/000990 priority patent/WO1995012549A1/en
Priority to JP7513160A priority patent/JPH09504473A/en
Priority to CA 2171838 priority patent/CA2171838A1/en
Publication of SE9303645L publication Critical patent/SE9303645L/en
Publication of SE502916C2 publication Critical patent/SE502916C2/en
Priority to FI961883A priority patent/FI961883A0/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0033—Other features
    • B01D5/0054—General arrangements, e.g. flow sheets
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

A method of purifying and recovering waste water from a fiberboard manufacturing process. The waste water is supplied to an evaporator (11), in which steam from a steam generator (12) is used as heating medium for evaporating the waste water and concentrating impurities. These impurities are thereafter separated mechanically from the evaporator (11). The steam generated in the evaporator (11) is used in a steam converter (14) for restoring the heating medium used in the evaporator (11) from condensate to steam phase. The condensate formed in the steam converter (14) is purified from solved substances in a purifying unit (15). The condensate thus purified is used as feed water in the steam generator (12), from which steam is supplied to the evaporator (11).
SE9303645A 1993-11-05 1993-11-05 Ways to purify and recycle wastewater from a fiberboard production process SE502916C2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9303645A SE502916C2 (en) 1993-11-05 1993-11-05 Ways to purify and recycle wastewater from a fiberboard production process
AU10368/95A AU678081B2 (en) 1993-11-05 1994-10-20 Method of purifying waste water
EP95900961A EP0726879A1 (en) 1993-11-05 1994-10-20 Method of purifying waste water
PCT/SE1994/000990 WO1995012549A1 (en) 1993-11-05 1994-10-20 Method of purifying waste water
JP7513160A JPH09504473A (en) 1993-11-05 1994-10-20 Wastewater purification method
CA 2171838 CA2171838A1 (en) 1993-11-05 1994-10-20 Method of purifying waste water
FI961883A FI961883A0 (en) 1993-11-05 1996-05-03 Wastewater treatment method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9303645A SE502916C2 (en) 1993-11-05 1993-11-05 Ways to purify and recycle wastewater from a fiberboard production process

Publications (3)

Publication Number Publication Date
SE9303645D0 true SE9303645D0 (en) 1993-11-05
SE9303645L SE9303645L (en) 1995-05-06
SE502916C2 SE502916C2 (en) 1996-02-19

Family

ID=20391643

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9303645A SE502916C2 (en) 1993-11-05 1993-11-05 Ways to purify and recycle wastewater from a fiberboard production process

Country Status (7)

Country Link
EP (1) EP0726879A1 (en)
JP (1) JPH09504473A (en)
AU (1) AU678081B2 (en)
CA (1) CA2171838A1 (en)
FI (1) FI961883A0 (en)
SE (1) SE502916C2 (en)
WO (1) WO1995012549A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI982737A (en) * 1998-12-17 2000-06-18 Valmet Corp Process for producing paper and / or cardboard and for energy production, as well as a production process and an industrial plant applying the procedure
CN101851041B (en) * 2010-04-27 2012-02-08 中国海诚工程科技股份有限公司 Method and device for realizing zero release in desulfuration wastewater deepening treatment
CN111701265A (en) * 2020-06-28 2020-09-25 宜宾丝丽雅股份有限公司 Evaporation system and method for acid bath treatment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239250B (en) * 1963-03-06 1967-04-20 Buckau Wolf Maschf R Evaporator with vertical heating pipes and evaporator system for the sugar industry
DE3016406C2 (en) * 1980-04-29 1985-11-28 Fried. Krupp Gmbh, 4300 Essen Multi-stage thermal material separation process with a combined vapor compressor and heat transformer to recover the heat contained in the vapors and a device for carrying out the process
FI82609C (en) * 1989-05-10 1991-04-10 Inventio Oy FOERFARANDE FOER AVDUNSTNING AV VARM VAETSKA.
AT397078B (en) * 1992-02-10 1994-01-25 Schiestl Adolf METHOD AND DEVICE FOR THERMAL HOT WATER CLEANING

Also Published As

Publication number Publication date
SE9303645L (en) 1995-05-06
CA2171838A1 (en) 1995-05-11
EP0726879A1 (en) 1996-08-21
FI961883A (en) 1996-05-03
AU678081B2 (en) 1997-05-15
FI961883A0 (en) 1996-05-03
JPH09504473A (en) 1997-05-06
AU1036895A (en) 1995-05-23
WO1995012549A1 (en) 1995-05-11
SE502916C2 (en) 1996-02-19

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