GB1531250A - Method of defoaming effluents and defoaming compositions for use therein - Google Patents

Method of defoaming effluents and defoaming compositions for use therein

Info

Publication number
GB1531250A
GB1531250A GB50440/75A GB5044075A GB1531250A GB 1531250 A GB1531250 A GB 1531250A GB 50440/75 A GB50440/75 A GB 50440/75A GB 5044075 A GB5044075 A GB 5044075A GB 1531250 A GB1531250 A GB 1531250A
Authority
GB
United Kingdom
Prior art keywords
component
agent
defoaming
anhydride
salts
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB50440/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PWA Papierwerke Waldhof Aschaffenburg AG
Original Assignee
Papierwerke Waldhof Aschaffenburg AG
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
Priority claimed from DE19742458426 external-priority patent/DE2458426A1/de
Priority claimed from DE19752509626 external-priority patent/DE2509626C3/de
Priority claimed from DE19752518870 external-priority patent/DE2518870C3/de
Application filed by Papierwerke Waldhof Aschaffenburg AG filed Critical Papierwerke Waldhof Aschaffenburg AG
Publication of GB1531250A publication Critical patent/GB1531250A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Paper (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
GB50440/75A 1974-12-10 1975-12-09 Method of defoaming effluents and defoaming compositions for use therein Expired GB1531250A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19742458426 DE2458426A1 (de) 1974-12-10 1974-12-10 Verfahren zur herstellung von aktivierten entschaeumungsmitteln
DE19752509626 DE2509626C3 (de) 1975-03-05 Verfahren zur Herstellung von Entschäumungsmitteln
DE19752518870 DE2518870C3 (de) 1975-04-28 1975-04-28 Verwendung von Salzen von Schwefelsauerstoffsäuren in Kombination mit Fettsäuren, deren Estern oder Salzen, Alkohlen oder Paraffinkohlenwasserstoffen als Entschäumungsmittel

Publications (1)

Publication Number Publication Date
GB1531250A true GB1531250A (en) 1978-11-08

Family

ID=27186187

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50440/75A Expired GB1531250A (en) 1974-12-10 1975-12-09 Method of defoaming effluents and defoaming compositions for use therein

Country Status (12)

Country Link
JP (1) JPS51119390A (sv)
BR (1) BR7508149A (sv)
CH (1) CH620590A5 (sv)
DD (1) DD125830A5 (sv)
ES (1) ES443300A1 (sv)
FI (1) FI753477A (sv)
FR (2) FR2300055A1 (sv)
GB (1) GB1531250A (sv)
IT (1) IT1060086B (sv)
NL (1) NL7514212A (sv)
NO (1) NO141593C (sv)
SE (1) SE7513875L (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303549A (en) * 1979-10-18 1981-12-01 Drew Chemical Corporation Liquid defoamer and defoaming process
JPS58206372A (ja) * 1982-05-26 1983-12-01 Fuji Electric Co Ltd 長尺ケ−ス内面研削装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116759A (en) * 1974-08-02 1976-02-10 Lion Fat Oil Co Ltd Kairyosareta homatsubunriho

Also Published As

Publication number Publication date
FR2333550A1 (fr) 1977-07-01
ES443300A1 (es) 1977-12-16
BR7508149A (pt) 1976-08-24
NO141593B (no) 1980-01-02
SE7513875L (sv) 1976-06-11
DD125830A5 (sv) 1977-05-18
CH620590A5 (en) 1980-12-15
NL7514212A (nl) 1976-06-14
JPS5511881B2 (sv) 1980-03-28
NO141593C (no) 1980-04-09
NO754150L (sv) 1976-06-11
FI753477A (sv) 1976-06-11
IT1060086B (it) 1982-07-10
AU8729675A (en) 1977-06-09
FR2300055A1 (fr) 1976-09-03
JPS51119390A (en) 1976-10-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]