SE9502200D0 - Process for treatment of process wastewater - Google Patents

Process for treatment of process wastewater

Info

Publication number
SE9502200D0
SE9502200D0 SE9502200A SE9502200A SE9502200D0 SE 9502200 D0 SE9502200 D0 SE 9502200D0 SE 9502200 A SE9502200 A SE 9502200A SE 9502200 A SE9502200 A SE 9502200A SE 9502200 D0 SE9502200 D0 SE 9502200D0
Authority
SE
Sweden
Prior art keywords
treatment
wastewater
process wastewater
Prior art date
Application number
SE9502200A
Other languages
Swedish (sv)
Other versions
SE9502200L (en
Inventor
Kenneth Larsson
Original Assignee
Eka Nobel Ab
Poeyry Jaakko & Co 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 Eka Nobel Ab, Poeyry Jaakko & Co Oy filed Critical Eka Nobel Ab
Priority to SE9502200A priority Critical patent/SE9502200L/en
Publication of SE9502200D0 publication Critical patent/SE9502200D0/en
Publication of SE9502200L publication Critical patent/SE9502200L/en

Links

Classifications

    • 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
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
    • 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
    • D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
SE9502200A 1995-06-16 1995-06-16 Process for avoiding incrustation by mixing an alkaline and an acidic process stream during ultrasonic treatment SE9502200L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9502200A SE9502200L (en) 1995-06-16 1995-06-16 Process for avoiding incrustation by mixing an alkaline and an acidic process stream during ultrasonic treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9502200A SE9502200L (en) 1995-06-16 1995-06-16 Process for avoiding incrustation by mixing an alkaline and an acidic process stream during ultrasonic treatment

Publications (2)

Publication Number Publication Date
SE9502200D0 true SE9502200D0 (en) 1995-06-16
SE9502200L SE9502200L (en) 1996-06-28

Family

ID=20398647

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9502200A SE9502200L (en) 1995-06-16 1995-06-16 Process for avoiding incrustation by mixing an alkaline and an acidic process stream during ultrasonic treatment

Country Status (1)

Country Link
SE (1) SE9502200L (en)

Also Published As

Publication number Publication date
SE9502200L (en) 1996-06-28

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