FI883169A - FOERFARANDE FOER UTNYTTJANDE AV PIGMENTAVFALL. - Google Patents

FOERFARANDE FOER UTNYTTJANDE AV PIGMENTAVFALL. Download PDF

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Publication number
FI883169A
FI883169A FI883169A FI883169A FI883169A FI 883169 A FI883169 A FI 883169A FI 883169 A FI883169 A FI 883169A FI 883169 A FI883169 A FI 883169A FI 883169 A FI883169 A FI 883169A
Authority
FI
Finland
Prior art keywords
pigmentavfall
foerfarande foer
utnyttjande
foer utnyttjande
wastewater
Prior art date
Application number
FI883169A
Other languages
Finnish (fi)
Other versions
FI83444C (en
FI883169A0 (en
FI83444B (en
Inventor
Juha Varpula
Original Assignee
Yit Yhtymae 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 Yit Yhtymae Oy filed Critical Yit Yhtymae Oy
Priority to FI883169A priority Critical patent/FI83444C/en
Publication of FI883169A0 publication Critical patent/FI883169A0/en
Publication of FI883169A publication Critical patent/FI883169A/en
Application granted granted Critical
Publication of FI83444B publication Critical patent/FI83444B/en
Publication of FI83444C publication Critical patent/FI83444C/en

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  • Separation Using Semi-Permeable Membranes (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Paper (AREA)

Abstract

The invention concerns a method for utilization of pigment waste. For example, wastewater containing coating pigments is obtained in paper mills. According to the invention water is removed from the wastewater dispersion containing pigments, the pigment dispersion is recovered and fed back to the paper coating process.
FI883169A 1988-07-01 1988-07-01 Procedure for the collection of coating paste waste FI83444C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI883169A FI83444C (en) 1988-07-01 1988-07-01 Procedure for the collection of coating paste waste

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI883169A FI83444C (en) 1988-07-01 1988-07-01 Procedure for the collection of coating paste waste
FI883169 1988-07-01

Publications (4)

Publication Number Publication Date
FI883169A0 FI883169A0 (en) 1988-07-01
FI883169A true FI883169A (en) 1990-01-02
FI83444B FI83444B (en) 1991-03-28
FI83444C FI83444C (en) 1991-07-10

Family

ID=8526755

Family Applications (1)

Application Number Title Priority Date Filing Date
FI883169A FI83444C (en) 1988-07-01 1988-07-01 Procedure for the collection of coating paste waste

Country Status (1)

Country Link
FI (1) FI83444C (en)

Also Published As

Publication number Publication date
FI83444C (en) 1991-07-10
FI883169A0 (en) 1988-07-01
FI83444B (en) 1991-03-28

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Legal Events

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PC Transfer of assignment of patent

Owner name: JYLHÄRAISIO OY

FG Patent granted

Owner name: JYLHAERAISIO OY

MA Patent expired