FI912863A - Flokkulointiaineena käyttökelpoinen kationinen ligniini ja menetelmä jätevesien puhdistamiseksi - Google Patents

Flokkulointiaineena käyttökelpoinen kationinen ligniini ja menetelmä jätevesien puhdistamiseksi Download PDF

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Publication number
FI912863A
FI912863A FI912863A FI912863A FI912863A FI 912863 A FI912863 A FI 912863A FI 912863 A FI912863 A FI 912863A FI 912863 A FI912863 A FI 912863A FI 912863 A FI912863 A FI 912863A
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FI
Finland
Prior art keywords
flocculant
cationic lignin
purification process
wastewater purification
cationic
Prior art date
Application number
FI912863A
Other languages
English (en)
Swedish (sv)
Other versions
FI912863A0 (fi
FI91642C (fi
FI91642B (fi
Inventor
Erkki Pulkkinen
Hannu Mikkonen
Original Assignee
Metsae Serla 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 Metsae Serla Oy filed Critical Metsae Serla Oy
Priority to FI912863A priority Critical patent/FI91642C/fi
Publication of FI912863A0 publication Critical patent/FI912863A0/fi
Publication of FI912863A publication Critical patent/FI912863A/fi
Application granted granted Critical
Publication of FI91642B publication Critical patent/FI91642B/fi
Publication of FI91642C publication Critical patent/FI91642C/fi

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  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FI912863A 1991-06-13 1991-06-13 Flokkulointiaineena käyttökelpoinen kationinen ligniini ja menetelmä jätevesien puhdistamiseksi FI91642C (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI912863A FI91642C (fi) 1991-06-13 1991-06-13 Flokkulointiaineena käyttökelpoinen kationinen ligniini ja menetelmä jätevesien puhdistamiseksi

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI912863A FI91642C (fi) 1991-06-13 1991-06-13 Flokkulointiaineena käyttökelpoinen kationinen ligniini ja menetelmä jätevesien puhdistamiseksi
FI912863 1991-06-13

Publications (4)

Publication Number Publication Date
FI912863A0 FI912863A0 (fi) 1991-06-13
FI912863A true FI912863A (fi) 1992-12-14
FI91642B FI91642B (fi) 1994-04-15
FI91642C FI91642C (fi) 1994-07-25

Family

ID=8532699

Family Applications (1)

Application Number Title Priority Date Filing Date
FI912863A FI91642C (fi) 1991-06-13 1991-06-13 Flokkulointiaineena käyttökelpoinen kationinen ligniini ja menetelmä jätevesien puhdistamiseksi

Country Status (1)

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FI (1) FI91642C (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI128252B (fi) * 2015-11-04 2020-01-31 Kemira Oyj Menetelmä materiaalikierron optimointiin kemiallisessa massanvalmistusprosessissa
CN113651963B (zh) * 2021-07-16 2022-05-24 华南理工大学 一种超支化木质素基阳离子淀粉多功能复合型絮凝剂及其制备与应用

Also Published As

Publication number Publication date
FI912863A0 (fi) 1991-06-13
FI91642C (fi) 1994-07-25
FI91642B (fi) 1994-04-15

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FG Patent granted

Owner name: METSÄ-SERLA OY

BB Publication of examined application
MA Patent expired