IT1015678B - Prodotti ausiliari per floccula zione sedimentazione disidratazio ne e ritenzione processo per la preparazione di questi prodotti e loro impiego - Google Patents

Prodotti ausiliari per floccula zione sedimentazione disidratazio ne e ritenzione processo per la preparazione di questi prodotti e loro impiego

Info

Publication number
IT1015678B
IT1015678B IT24817/74A IT2481774A IT1015678B IT 1015678 B IT1015678 B IT 1015678B IT 24817/74 A IT24817/74 A IT 24817/74A IT 2481774 A IT2481774 A IT 2481774A IT 1015678 B IT1015678 B IT 1015678B
Authority
IT
Italy
Prior art keywords
products
preparation
flocculation sedimentation
retention process
auxiliary
Prior art date
Application number
IT24817/74A
Other languages
English (en)
Original Assignee
Chem Fab Stockhausen U Cie
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 Chem Fab Stockhausen U Cie filed Critical Chem Fab Stockhausen U Cie
Application granted granted Critical
Publication of IT1015678B publication Critical patent/IT1015678B/it

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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Treatment Of Sludge (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT24817/74A 1973-07-04 1974-07-04 Prodotti ausiliari per floccula zione sedimentazione disidratazio ne e ritenzione processo per la preparazione di questi prodotti e loro impiego IT1015678B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2333927A DE2333927C2 (de) 1973-07-04 1973-07-04 Flüssige, bzw. pumpfähige stabile Dispersionen von Typ Wasser-in-Öl und ihre Verwendung

Publications (1)

Publication Number Publication Date
IT1015678B true IT1015678B (it) 1977-05-20

Family

ID=5885869

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24817/74A IT1015678B (it) 1973-07-04 1974-07-04 Prodotti ausiliari per floccula zione sedimentazione disidratazio ne e ritenzione processo per la preparazione di questi prodotti e loro impiego

Country Status (10)

Country Link
JP (1) JPS5755445B2 (it)
BR (1) BR7405487D0 (it)
CA (1) CA1077637A (it)
DE (1) DE2333927C2 (it)
FI (1) FI63385C (it)
FR (1) FR2235953B1 (it)
GB (1) GB1462905A (it)
IT (1) IT1015678B (it)
SE (1) SE409026C (it)
ZA (1) ZA744305B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2520028C3 (de) * 1975-05-06 1987-07-30 Chemische Fabrik Stockhausen GmbH, 4150 Krefeld Flüssige, pumpfähige, stabile Dispersionen vom Typ Wasser-in-Öl und ihre Verwendung
DE2720494C2 (de) * 1977-05-05 1985-04-11 Nalco Chemical Co., Oak Brook, Ill. Kontinuierliches Verfahren zur Herstellung eines kationisch modifizierten Polyacrylamids
CH660015A5 (de) * 1982-02-01 1987-03-13 Sandoz Ag Polymerisat- und tensidhaltige praeparate, deren herstellung und verwendung.
GB8518900D0 (en) * 1985-07-26 1985-09-04 Allied Colloids Ltd Polymeric products
DE3641700C3 (de) * 1985-12-19 1994-07-07 Basf Ag Verfahren zur Herstellung von Wasser-in-Öl-Emulsionen vernetzter, wasserquellbarer Polymerisate und deren Verwendung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1089173B (de) * 1957-05-31 1960-09-15 Dow Chemical Co Inverses Emulsionspolymerisations-verfahren zur Herstellung von Polymerisaten und Mischpolymerisaten wasserloeslicher Monomerer
NL111257C (it) * 1959-10-12
FR1500499A (fr) * 1965-10-19 1967-11-03 Dow Chemical Co Polymères du type carbamoyl-cationique
BE789420A (fr) * 1971-11-22 1973-03-28 Nalco Chemical Co Latex destines a la coagulation d'eaux d'egout et d'eaux usees industrielles

Also Published As

Publication number Publication date
CA1077637A (en) 1980-05-13
SE409026B (sv) 1979-07-23
BR7405487D0 (pt) 1975-04-15
GB1462905A (en) 1977-01-26
JPS5043066A (it) 1975-04-18
SE409026C (sv) 1983-09-12
FR2235953A1 (it) 1975-01-31
DE2333927A1 (de) 1975-01-23
FI204074A (it) 1975-01-05
FI63385B (fi) 1983-02-28
SE7408787L (it) 1975-01-07
JPS5755445B2 (it) 1982-11-24
FR2235953B1 (it) 1979-06-01
ZA744305B (en) 1975-07-30
DE2333927C2 (de) 1982-11-25
FI63385C (fi) 1983-06-10

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