BR7508149A - Processo para a preparacao de agentes anti-espumantes - Google Patents

Processo para a preparacao de agentes anti-espumantes

Info

Publication number
BR7508149A
BR7508149A BR7508149*A BR7508149A BR7508149A BR 7508149 A BR7508149 A BR 7508149A BR 7508149 A BR7508149 A BR 7508149A BR 7508149 A BR7508149 A BR 7508149A
Authority
BR
Brazil
Prior art keywords
defuming
agents
preparation
defuming agents
Prior art date
Application number
BR7508149*A
Other languages
English (en)
Portuguese (pt)
Inventor
A Hollerich
Original Assignee
Waldhof Aschaffenburg Papier
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 Waldhof Aschaffenburg Papier filed Critical Waldhof Aschaffenburg Papier
Publication of BR7508149A publication Critical patent/BR7508149A/pt

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)
BR7508149*A 1974-12-10 1975-12-09 Processo para a preparacao de agentes anti-espumantes BR7508149A (pt)

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
BR7508149A true BR7508149A (pt) 1976-08-24

Family

ID=27186187

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7508149*A BR7508149A (pt) 1974-12-10 1975-12-09 Processo para a preparacao de agentes anti-espumantes

Country Status (12)

Country Link
JP (1) JPS51119390A (cs)
BR (1) BR7508149A (cs)
CH (1) CH620590A5 (cs)
DD (1) DD125830A5 (cs)
ES (1) ES443300A1 (cs)
FI (1) FI753477A7 (cs)
FR (2) FR2300055A1 (cs)
GB (1) GB1531250A (cs)
IT (1) IT1060086B (cs)
NL (1) NL7514212A (cs)
NO (1) NO141593C (cs)
SE (1) SE7513875L (cs)

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
NL7514212A (nl) 1976-06-14
CH620590A5 (en) 1980-12-15
DD125830A5 (cs) 1977-05-18
AU8729675A (en) 1977-06-09
FI753477A7 (cs) 1976-06-11
NO141593B (no) 1980-01-02
NO754150L (cs) 1976-06-11
SE7513875L (sv) 1976-06-11
IT1060086B (it) 1982-07-10
GB1531250A (en) 1978-11-08
FR2333550A1 (fr) 1977-07-01
NO141593C (no) 1980-04-09
FR2300055A1 (fr) 1976-09-03
JPS5511881B2 (cs) 1980-03-28
JPS51119390A (en) 1976-10-19
ES443300A1 (es) 1977-12-16

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