SE506142C2 - Katjoniskt tannin och dess användning vid rening av avloppsvatten - Google Patents

Katjoniskt tannin och dess användning vid rening av avloppsvatten

Info

Publication number
SE506142C2
SE506142C2 SE9201850A SE9201850A SE506142C2 SE 506142 C2 SE506142 C2 SE 506142C2 SE 9201850 A SE9201850 A SE 9201850A SE 9201850 A SE9201850 A SE 9201850A SE 506142 C2 SE506142 C2 SE 506142C2
Authority
SE
Sweden
Prior art keywords
tannin
cationic
crosslinking
reagent
bark
Prior art date
Application number
SE9201850A
Other languages
English (en)
Swedish (sv)
Other versions
SE9201850L (sv
SE9201850D0 (sv
Inventor
Erkki Pulkkinen
Hannu Mikkonen
Rauni Seppaenen
Original Assignee
Kaukas 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 Kaukas Oy filed Critical Kaukas Oy
Publication of SE9201850D0 publication Critical patent/SE9201850D0/xx
Publication of SE9201850L publication Critical patent/SE9201850L/
Publication of SE506142C2 publication Critical patent/SE506142C2/sv

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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
SE9201850A 1991-06-18 1992-06-16 Katjoniskt tannin och dess användning vid rening av avloppsvatten SE506142C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI912967A FI91770C (fi) 1991-06-18 1991-06-18 Flokkulointiaineena käyttökelpoinen kationinen tanniini ja jätevesien puhdistamisessa flokkulanttina käyttökelpoinen koostumus

Publications (3)

Publication Number Publication Date
SE9201850D0 SE9201850D0 (sv) 1992-06-16
SE9201850L SE9201850L (sv) 1992-12-19
SE506142C2 true SE506142C2 (sv) 1997-11-17

Family

ID=8532737

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9201850A SE506142C2 (sv) 1991-06-18 1992-06-16 Katjoniskt tannin och dess användning vid rening av avloppsvatten

Country Status (3)

Country Link
DE (1) DE4219343C2 (de)
FI (1) FI91770C (de)
SE (1) SE506142C2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU669985B2 (en) * 1993-06-22 1996-06-27 Betz International, Inc. Compositions and methods for water clarification and wastewater treatment
BR9904020A (pt) * 1999-08-27 2001-04-24 Tanac S A Utilização de um agente coagulante/floculante orgânico e origem vegetal para a remoção de matéria coloidal de águas.
EP2239370B1 (de) 2009-04-09 2012-06-20 Kompetenzzentrum Holz GmbH Trocken- und Nassstärkeverbesserung von Papierprodukten mit kationischem Tannin
DE202019103213U1 (de) 2018-01-16 2019-07-15 helcotec Chemie u. Technik GmbH Formulierungen zur Abwasserbehandlung
CN110655161A (zh) * 2019-11-20 2020-01-07 上海贤晋质安环保科技有限公司 一种水处理改性松树皮絮凝剂的制备方法
BR102020005579A2 (pt) * 2020-03-20 2020-05-19 Tanac S A processo para preparar um coagulante de origem natural para tratamento de águas e efluentes aquosos, e, coagulante de origem natural.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558080A (en) * 1984-01-24 1985-12-10 Dearborn Chemical Company Stable tannin based polymer compound

Also Published As

Publication number Publication date
SE9201850L (sv) 1992-12-19
FI912967A0 (fi) 1991-06-18
FI91770C (fi) 1994-08-10
FI91770B (fi) 1994-04-29
SE9201850D0 (sv) 1992-06-16
FI912967A (fi) 1992-12-19
DE4219343A1 (de) 1992-12-24
DE4219343C2 (de) 1996-09-26

Similar Documents

Publication Publication Date Title
Slater et al. Characteristics of flocculation of mineral suspensions by polymers
US3915904A (en) Water-soluble cationic polymeric materials and their use
Görner et al. Activated sludge exopolymers: separation and identification using size exclusion chromatography and infrared micro-spectroscopy
Ratnaweera et al. Comparison of the coagulation behavior of different Norwegian aquatic NOM sources
CN101817912B (zh) 一种阳离子聚合物的配方及其制备方法
AU745143B2 (en) Luminol tagged polymers for treatment of industrial systems
SE506142C2 (sv) Katjoniskt tannin och dess användning vid rening av avloppsvatten
CN105228958A (zh) 用于增稠或脱水污泥的方法
CA2995032C (en) A method for removing humic substances from an aqueous alkaline solution
US6491827B1 (en) Process for reducing true color in waste liquids
JP6202115B2 (ja) 工業用水の清澄化方法及び清澄化装置
Bratskaya et al. Flocculation of humic substances and their derivatives with chitosan
Lin et al. Coagulation of sericin protein in silk degumming wastewater using quaternized chitosan
US3894948A (en) Process for treating sewage sludge
CN115321657A (zh) 一种疏水壳聚糖-聚合氯化铝Hmcs-PAC复合絮凝剂及其制备与应用
US3157594A (en) Method of flocculation
Packham The laboratory evaluation of polyelectrolyte flocculants
Yatsik et al. Polyacrylamide derivatives as reagents for purification of waters Of U (VI) and Cr (VI)
CN103717538A (zh) 可饮用化方法
WO2020249863A1 (en) Method for removing dissolved organic compounds from wastewater
Shatat et al. Using free radical polymerization and Mannich reaction, synthesis and characterization of cationic polyacrylamides having similar molecular weight but different charge densities
FI57735C (fi) Anvaendning av anjoniska derivat av galaktomannangummi som flockningsmedel vid vattenrening
Oelmeyer et al. Combined flocculant systems with cationic starches in the solid/liquid separation of harbor sediments
FI91642C (fi) Flokkulointiaineena käyttökelpoinen kationinen ligniini ja menetelmä jätevesien puhdistamiseksi
RU2648437C1 (ru) Модифицированный флокулянт на основе полиакриламида

Legal Events

Date Code Title Description
NUG Patent has lapsed
NUG Patent has lapsed