FI990520A - Procedures and devices for treating backwater - Google Patents

Procedures and devices for treating backwater Download PDF

Info

Publication number
FI990520A
FI990520A FI990520A FI990520A FI990520A FI 990520 A FI990520 A FI 990520A FI 990520 A FI990520 A FI 990520A FI 990520 A FI990520 A FI 990520A FI 990520 A FI990520 A FI 990520A
Authority
FI
Finland
Prior art keywords
backwater
procedures
treating
devices
treating backwater
Prior art date
Application number
FI990520A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI990520A0 (en
FI113948B (en
Inventor
Pasi Heiskanen
Kader Rahkonen
Ari Vilpponen
Original Assignee
Ahlstrom Machinery 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 Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Priority to FI990520A priority Critical patent/FI113948B/en
Publication of FI990520A0 publication Critical patent/FI990520A0/en
Priority to SE0000801A priority patent/SE518612C2/en
Priority to DE10011696A priority patent/DE10011696A1/en
Publication of FI990520A publication Critical patent/FI990520A/en
Application granted granted Critical
Publication of FI113948B publication Critical patent/FI113948B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
FI990520A 1999-03-10 1999-03-10 Procedures and devices for treating backwater FI113948B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI990520A FI113948B (en) 1999-03-10 1999-03-10 Procedures and devices for treating backwater
SE0000801A SE518612C2 (en) 1999-03-10 2000-03-10 Procedures and devices for treating backwater
DE10011696A DE10011696A1 (en) 1999-03-10 2000-03-10 Recovering fibres from white water in pulp, paper or board making process, by filtration using a pulp fraction taken from the pulp mixing vessel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI990520A FI113948B (en) 1999-03-10 1999-03-10 Procedures and devices for treating backwater
FI990520 1999-03-10

Publications (3)

Publication Number Publication Date
FI990520A0 FI990520A0 (en) 1999-03-10
FI990520A true FI990520A (en) 2000-09-11
FI113948B FI113948B (en) 2004-07-15

Family

ID=8554147

Family Applications (1)

Application Number Title Priority Date Filing Date
FI990520A FI113948B (en) 1999-03-10 1999-03-10 Procedures and devices for treating backwater

Country Status (3)

Country Link
DE (1) DE10011696A1 (en)
FI (1) FI113948B (en)
SE (1) SE518612C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103349867B (en) * 2013-07-15 2015-04-01 河南卷烟工业烟草薄片有限公司 Paper-making process reconstituted tobacco papermaking white water reuse treatment method

Also Published As

Publication number Publication date
FI990520A0 (en) 1999-03-10
FI113948B (en) 2004-07-15
SE0000801L (en) 2001-09-11
SE518612C2 (en) 2002-10-29
SE0000801D0 (en) 2000-03-10
DE10011696A1 (en) 2000-10-26

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Legal Events

Date Code Title Description
MA Patent expired