BE768901A - Agents de floculation a base d'ether d'amidon cationique - Google Patents

Agents de floculation a base d'ether d'amidon cationique

Info

Publication number
BE768901A
BE768901A BE768901A BE768901A BE768901A BE 768901 A BE768901 A BE 768901A BE 768901 A BE768901 A BE 768901A BE 768901 A BE768901 A BE 768901A BE 768901 A BE768901 A BE 768901A
Authority
BE
Belgium
Prior art keywords
cationic starch
starch ether
flocculating agents
flocculating
agents
Prior art date
Application number
BE768901A
Other languages
English (en)
French (fr)
Inventor
K B Moseret F Verbanac
Original Assignee
Staley Mfg Co A E
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 Staley Mfg Co A E filed Critical Staley Mfg Co A E
Publication of BE768901A publication Critical patent/BE768901A/xx

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
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B31/00—Preparation of derivatives of starch
    • C08B31/08—Ethers
    • C08B31/12—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch
    • C08B31/125—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch having a substituent containing at least one nitrogen atom, e.g. cationic starch

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
BE768901A 1970-07-01 1971-06-23 Agents de floculation a base d'ether d'amidon cationique BE768901A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5160570A 1970-07-01 1970-07-01

Publications (1)

Publication Number Publication Date
BE768901A true BE768901A (fr) 1971-12-23

Family

ID=21972318

Family Applications (1)

Application Number Title Priority Date Filing Date
BE768901A BE768901A (fr) 1970-07-01 1971-06-23 Agents de floculation a base d'ether d'amidon cationique

Country Status (9)

Country Link
JP (1) JPS5338270B1 (nl)
BE (1) BE768901A (nl)
CA (1) CA951441A (nl)
DE (1) DE2131560A1 (nl)
DK (1) DK134806B (nl)
FR (1) FR2100125A5 (nl)
GB (1) GB1339841A (nl)
IT (1) IT944675B (nl)
NL (1) NL169984C (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19549408A1 (de) * 1995-05-24 1997-01-09 Hoechst Ag Mit hochsubstituierter Stärke aminierte Celluloseregeneratfasern
US6375798B1 (en) * 2000-06-05 2002-04-23 Grain Processing Corporation Derivatized malto-oligosaccharides, methods for trash scavenging, and process for preparing a paper web
FR2810042B1 (fr) * 2000-06-13 2004-04-16 Roquette Freres Nouvelle composition amylacee contenant une matiere amylacee cationique
DE60121954T2 (de) * 2000-06-13 2007-07-26 Roquette Frères Anwendung in der papierindustrie und anderen industrien einer stärkehaltigen zusammensetzung auf basis einer selektiven kationischen stärke
FR2872063B1 (fr) * 2004-06-29 2009-02-27 Rhodia Cons Spec Ltd Utilisation d'amidon eventuellement modifie et eventuellement insoluble pour l'elimination de substances organiques naturelles dans des liquides

Also Published As

Publication number Publication date
IT944675B (it) 1973-04-20
DK134806B (da) 1977-01-24
DE2131560A1 (de) 1972-01-05
FR2100125A5 (nl) 1972-03-17
CA951441A (en) 1974-07-16
NL7108759A (nl) 1972-01-04
NL169984B (nl) 1982-04-16
GB1339841A (en) 1973-12-05
NL169984C (nl) 1982-09-16
DK134806C (nl) 1977-06-27
JPS5338270B1 (nl) 1978-10-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: A.E. STALEY MFG CY

Effective date: 19890630