IT1021738B - Polimeri sintetici flocculanti per sistemi alcalini e procedimento per produrli - Google Patents

Polimeri sintetici flocculanti per sistemi alcalini e procedimento per produrli

Info

Publication number
IT1021738B
IT1021738B IT53436/74A IT5343674A IT1021738B IT 1021738 B IT1021738 B IT 1021738B IT 53436/74 A IT53436/74 A IT 53436/74A IT 5343674 A IT5343674 A IT 5343674A IT 1021738 B IT1021738 B IT 1021738B
Authority
IT
Italy
Prior art keywords
procedure
producing
alkaline systems
flocculating polymers
synthetic flocculating
Prior art date
Application number
IT53436/74A
Other languages
English (en)
Original Assignee
Allied Colloids Ltd
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 Allied Colloids Ltd filed Critical Allied Colloids Ltd
Application granted granted Critical
Publication of IT1021738B publication Critical patent/IT1021738B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/016—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/0646—Separation of the insoluble residue, e.g. of red mud
    • C01F7/0653—Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/56—Acrylamide; Methacrylamide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/008—Organic compounds containing oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/01—Organic compounds containing nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/002—Coagulants and Flocculants
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
    • C08F220/585—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine and containing other heteroatoms, e.g. 2-acrylamido-2-methylpropane sulfonic acid [AMPS]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Treatment Of Sludge (AREA)
IT53436/74A 1973-10-10 1974-10-09 Polimeri sintetici flocculanti per sistemi alcalini e procedimento per produrli IT1021738B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4732173A GB1439057A (en) 1973-10-10 1973-10-10 Flocculating agents for alkaline systems

Publications (1)

Publication Number Publication Date
IT1021738B true IT1021738B (it) 1978-02-20

Family

ID=10444536

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53436/74A IT1021738B (it) 1973-10-10 1974-10-09 Polimeri sintetici flocculanti per sistemi alcalini e procedimento per produrli

Country Status (6)

Country Link
US (1) US3975496A (it)
DE (1) DE2448220C3 (it)
FR (1) FR2247478B1 (it)
GB (1) GB1439057A (it)
HU (1) HU170765B (it)
IT (1) IT1021738B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109502833A (zh) * 2016-07-28 2019-03-22 毛强平 一种废水处理用絮凝剂及其制备方法

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1548006A (en) * 1975-07-09 1979-07-04 Chiyoda Chem Eng Construct Co Hydrodemetallization processes
NL7703734A (nl) * 1976-04-06 1977-10-10 Oreal Nieuwe copolymeren van n-alkylacrylamiden of -me- thacrylamiden, de bereidingswijze ervan, als- mede hun gebruik in kosmetika.
US4090955A (en) * 1976-05-05 1978-05-23 American Cyanamid Company Selective flocculation of minerals from a mixture or an ore
DE2831499C3 (de) * 1978-07-14 1983-01-05 Nalco Chemical Co., 60521 Oak Brook, Ill. Verfahren zur Fluidisierung konzentrierter wäßriger Suspensionen von Rotschlamm
IT1109426B (it) * 1978-07-31 1985-12-16 Eurallumina Spa Procedimento per lo smaltimento dei residui di lavorazione della bauxite e loro contenimento in bacini di colmata
DE3003747A1 (de) * 1979-03-09 1980-09-11 Milchem Inc Verfahren zum bohren von bohrloechern
US4282087A (en) * 1979-05-21 1981-08-04 American Cyanamid Company Selective flocculation for iron values
DE2931897A1 (de) 1979-08-06 1981-02-26 Cassella Ag Wasserloesliches copolymerisat und seine herstellung
US4274945A (en) * 1979-11-07 1981-06-23 American Cyanamid Company Iron ore beneficiation by selective flocculation
US4289613A (en) * 1979-11-19 1981-09-15 American Cyanamid Company Low molecular weight hydrolyzed polymers or copolymers as depressants in mineral ore flotation
AU536264B2 (en) * 1980-07-23 1984-05-03 Cytec Technology Corp. Process for alumina recovery
CA1176031A (en) * 1980-07-23 1984-10-16 American Cyanamid Company Process for alumina recovery
USRE31900E (en) * 1980-12-16 1985-05-28 American Cyanamid Company Process for the flocculation of suspended solids
US4360425A (en) * 1981-09-14 1982-11-23 American Cyanamid Company Low molecular weight copolymers and terpolymers as depressants in mineral ore flotation
US4478795A (en) * 1982-10-18 1984-10-23 Diamond Shamrock Chemicals Company Aluminum trihydroxide deliquoring with anionic polymers
US4599390A (en) * 1983-03-11 1986-07-08 Union Carbide Corporation High molecular weight water-soluble polymers and flocculation method using same
US4545902A (en) * 1984-09-17 1985-10-08 Nalco Chemical Company Flocculants for bauxite (red mud)
JPS61197008A (ja) * 1985-02-27 1986-09-01 Mitsubishi Chem Ind Ltd 微細鉱物粒子を含む廃水処理用アニオン性凝集剤
US4767540A (en) * 1987-02-11 1988-08-30 American Cyanamid Company Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams
US4839060A (en) * 1987-04-28 1989-06-13 Suncor, Inc. Methylated starch compositions and their use as flocculating agents for mineral wastes, such as bauxite residues
AU627469B2 (en) * 1988-07-18 1992-08-27 Allied Colloids Limited Recovery of alumina from bauxite
GB8824176D0 (en) * 1988-10-14 1988-11-23 Allied Colloids Ltd Recovery of alumina from bauxite
US5286391A (en) * 1993-02-04 1994-02-15 Nalco Chemical Company Red mud flocculation
FR2708587B1 (fr) * 1993-07-29 1995-09-01 Snf Sa Procédé pour fluidifier les suspensions aqueuses de boues rouges dans la fabrication de l'alumine par la technique Bayer .
US5368745A (en) * 1993-09-02 1994-11-29 Cytec Technology Corp. Method of flocculating low metal oxide content solids in a liquid
US5346628A (en) * 1993-10-29 1994-09-13 Nalco Chemical Company Polymers for flocculating red mud from bayer process liquors
AU707514B2 (en) * 1995-04-05 1999-07-15 Nalco Chemical Company Biopolymer use as a sand filter aid
US5837215A (en) * 1995-07-26 1998-11-17 Nalco Chemical Company Method of removing insoluble materials from bayer process with fatty acid and fatty acid free polymer flocculants
US6210585B1 (en) 1995-07-26 2001-04-03 Nalco Chemical Company Fatty acid free latex polymer flocculants
US5951955A (en) * 1995-11-07 1999-09-14 Cytec Technology Corp. Concentration of solids in the Bayer process
US5853677A (en) * 1996-04-26 1998-12-29 Cytec Technology Corp. Concentration of solids by flocculating in the Bayer process
US6048463A (en) * 1997-12-12 2000-04-11 Nalco Chemical Company Water continuous methyl acrylate emulsion polymer combinations and methyl acrylate emulsion homopolymers for improved flocculation of red mud in the bayer process
US6036869A (en) * 1997-12-12 2000-03-14 Nalco Chemical Company Water continuous methyl acrylate emulsion polymers for improved flocculation of red mud in the Bayer process
US6086771A (en) * 1997-12-12 2000-07-11 Nalco Chemical Company Water continuous emulsion polymers for improving scale control in the bayer process
US20030027964A1 (en) * 2001-01-29 2003-02-06 Murat Quadir High molecular weight polymers containing pendant salicylic acid groups
GB0601000D0 (en) 2006-01-18 2006-03-01 Ciba Sc Holding Ag Concentration of suspensions
KR100858936B1 (ko) * 2007-07-12 2008-09-18 경성대학교 산학협력단 양이온 함유 수용성 고분자층을 포함하는 고분자 유기 전계발광 소자 및 그 제조방법
WO2013060700A1 (en) 2011-10-25 2013-05-02 Basf Se Concentration of suspensions
US20150191377A1 (en) 2012-07-31 2015-07-09 Basf Se Concentration of suspensions
CN103691551A (zh) * 2013-12-18 2014-04-02 广西科晟达机械制造有限公司 一种铝土矿选矿的方法
WO2017182568A1 (en) 2016-04-21 2017-10-26 Basf Se Amphoteric polymer, process for production thereof, and use thereof, to treat aqueous dispersions
CN114988664B (zh) * 2022-05-27 2023-04-28 长三角(义乌)生态环境研究中心 光伏废酸液用于制备污泥调理药剂及其应用

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397953A (en) * 1965-03-04 1968-08-20 Atlas Chem Ind Flocculating agent
JPS4837678B1 (it) * 1969-04-17 1973-11-13
JPS4929080B1 (it) * 1970-08-24 1974-08-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109502833A (zh) * 2016-07-28 2019-03-22 毛强平 一种废水处理用絮凝剂及其制备方法

Also Published As

Publication number Publication date
DE2448220B2 (de) 1977-08-11
DE2448220C3 (de) 1978-03-30
AU7414074A (en) 1976-04-15
FR2247478A1 (it) 1975-05-09
HU170765B (hu) 1977-09-28
US3975496A (en) 1976-08-17
DE2448220A1 (de) 1975-04-17
FR2247478B1 (it) 1979-06-08
GB1439057A (en) 1976-06-09

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