DK0496905T3 - Lignosulfonates for controlling mucus formation in systems with a water cycle, process for their preparation, and their use - Google Patents

Lignosulfonates for controlling mucus formation in systems with a water cycle, process for their preparation, and their use

Info

Publication number
DK0496905T3
DK0496905T3 DK91101061.9T DK91101061T DK0496905T3 DK 0496905 T3 DK0496905 T3 DK 0496905T3 DK 91101061 T DK91101061 T DK 91101061T DK 0496905 T3 DK0496905 T3 DK 0496905T3
Authority
DK
Denmark
Prior art keywords
lignosulfonates
preparation
systems
water cycle
mucus formation
Prior art date
Application number
DK91101061.9T
Other languages
Danish (da)
Inventor
Joerg Dr Dipl-Ing Oberkofler
Original Assignee
Rhone Poulenc Chimie
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 Rhone Poulenc Chimie filed Critical Rhone Poulenc Chimie
Application granted granted Critical
Publication of DK0496905T3 publication Critical patent/DK0496905T3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/30—Polygonaceae [Buckwheat family], e.g. red-knees or rhubarb
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/008—Prevention of corrosion or formation of deposits on pulp-treating equipment

Abstract

In the process for reducing slime formation in plants in which water is circulated, a lignosulphonate is added to the water. The lignosulphonate is prepared by a special process and has a special composition which leads the lignosulphonate addition to have a surprisingly good effect.
DK91101061.9T 1991-01-28 1991-01-28 Lignosulfonates for controlling mucus formation in systems with a water cycle, process for their preparation, and their use DK0496905T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91101061A EP0496905B1 (en) 1991-01-28 1991-01-28 Lignosulfonates for combatting slimy deposits in closed water loop plants, process of preparation and their use

Publications (1)

Publication Number Publication Date
DK0496905T3 true DK0496905T3 (en) 1994-11-14

Family

ID=8206334

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91101061.9T DK0496905T3 (en) 1991-01-28 1991-01-28 Lignosulfonates for controlling mucus formation in systems with a water cycle, process for their preparation, and their use

Country Status (7)

Country Link
EP (1) EP0496905B1 (en)
AT (1) ATE105267T1 (en)
CA (1) CA2060073C (en)
DE (1) DE59101575D1 (en)
DK (1) DK0496905T3 (en)
ES (1) ES2056500T3 (en)
FI (1) FI104817B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4410271C2 (en) * 1994-03-24 1999-02-25 Lumos Trading & Investments Co Process for reducing the formation of slime and deposits in systems in which water from paper and pulp machines is circulated, as well as in systems in which cooling water is circulated
GB9615262D0 (en) * 1996-07-20 1996-09-04 Kodak Ltd Method for inhibiting the growth of microorganisms in an aqueous medium
AU1817199A (en) * 1997-12-30 1999-07-19 Clorox Company, The Water purification filter
DE10017012A1 (en) * 2000-03-16 2001-09-27 Bioconsult Ges Fuer Biotechnol Process for reducing slime and deposit formation in (partly) closed systems conveying water or aqueous media, e.g. in paper machines or cooling water cycle, involves adding sulfur-free lignin or derivative
SE531688C2 (en) * 2007-11-22 2009-07-07 Bim Kemi Ab Sales control in a paper-making system
DE102017011116A1 (en) 2017-11-30 2019-06-06 Alfred Pohlen Online cleaner for water-bearing or water-contacting systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127383A (en) * 1977-06-10 1978-11-28 Graham-White Sales Corporation Foaming waste treatment composition and method for treating nitrogenous waste material therewith
DE3447686C1 (en) * 1984-12-28 1986-10-30 Jörg Dipl.-Ing. Dr. Seewalchen Oberkofler Process for reducing slime formation in systems with a water cycle and application of the process

Also Published As

Publication number Publication date
EP0496905B1 (en) 1994-05-04
DE59101575D1 (en) 1994-06-09
FI920351A (en) 1992-07-29
FI104817B (en) 2000-04-14
CA2060073A1 (en) 1992-07-29
ATE105267T1 (en) 1994-05-15
FI920351A0 (en) 1992-01-27
EP0496905A1 (en) 1992-08-05
ES2056500T3 (en) 1994-10-01
CA2060073C (en) 2002-06-25

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