[go: up one dir, main page]

DE3368938D1 - Polyetherurethane particles having absorptive activity, a method of preparing said polyetherurethane particles as well as a method for the extraction or separation of metals from liquids by employing said particles - Google Patents

Polyetherurethane particles having absorptive activity, a method of preparing said polyetherurethane particles as well as a method for the extraction or separation of metals from liquids by employing said particles

Info

Publication number
DE3368938D1
DE3368938D1 DE8383200581T DE3368938T DE3368938D1 DE 3368938 D1 DE3368938 D1 DE 3368938D1 DE 8383200581 T DE8383200581 T DE 8383200581T DE 3368938 T DE3368938 T DE 3368938T DE 3368938 D1 DE3368938 D1 DE 3368938D1
Authority
DE
Germany
Prior art keywords
particles
polyetherurethane
liquids
separation
metals
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
DE8383200581T
Other languages
English (en)
Inventor
Elven Aris Van
Henricus Gerardus Jos Overmars
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.)
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Original Assignee
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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 Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO filed Critical Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Application granted granted Critical
Publication of DE3368938D1 publication Critical patent/DE3368938D1/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26Synthetic macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/0838Manufacture of polymers in the presence of non-reactive compounds
    • C08G18/0842Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
    • C08G18/0861Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers
    • C08G18/0866Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers the dispersing or dispersed phase being an aqueous medium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/42Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02Obtaining thorium, uranium, or other actinides
    • C22B60/0204Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0252Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
    • C22B60/0265Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries extraction by solid resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00Chemistry of inorganic compounds
    • Y10S423/09Reaction techniques
    • Y10S423/14Ion exchange; chelation or liquid/liquid ion extraction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Dispersion Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Analytical Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE8383200581T 1982-04-21 1983-04-19 Polyetherurethane particles having absorptive activity, a method of preparing said polyetherurethane particles as well as a method for the extraction or separation of metals from liquids by employing said particles Expired DE3368938D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8201654A NL8201654A (nl) 1982-04-21 1982-04-21 Polyetherurethaankorrels met absorberende werking, werkwijze voor het bereiden van deze polyetherurethaankorrels, alsmede werkwijze voor het extraheren of afscheiden van metalen uit vloeistoffen onder toepassing van deze korrels.

Publications (1)

Publication Number Publication Date
DE3368938D1 true DE3368938D1 (en) 1987-02-12

Family

ID=19839625

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383200581T Expired DE3368938D1 (en) 1982-04-21 1983-04-19 Polyetherurethane particles having absorptive activity, a method of preparing said polyetherurethane particles as well as a method for the extraction or separation of metals from liquids by employing said particles

Country Status (7)

Country Link
US (1) US4605504A (de)
EP (1) EP0092295B1 (de)
JP (1) JPS58189220A (de)
AT (1) ATE24733T1 (de)
DE (1) DE3368938D1 (de)
NL (1) NL8201654A (de)
ZA (1) ZA832826B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4895597A (en) * 1986-01-16 1990-01-23 Henkel Corporation Recovery of precious metals
FR2607141B1 (fr) * 1986-11-20 1988-12-23 Air Ind Systemes Sa Procede de denaturation des peintures et installation pour sa mise en oeuvre
GB8715020D0 (en) * 1987-06-26 1987-08-05 Ebdon J R Chromatographic supports
US5246591A (en) * 1990-07-13 1993-09-21 Pact, Incorporated Separation of metal ions on an anion exchange resin by chromatographic elution
US5403750A (en) * 1991-03-06 1995-04-04 W. R. Grace & Co.-Conn. Biocompatible, low protein adsorption affinity matrix
FR2678380B1 (fr) * 1991-06-28 1993-10-08 Sebia Dispositif permettant l'etalement d'un ou plusieurs reactifs sur un gel.
BE1010407A4 (fr) * 1996-07-04 1998-07-07 Undatim Ultrasonics Procede et installation de traitement des eaux.
CN101443379A (zh) * 2006-05-16 2009-05-27 陶氏环球技术公司 非离子型亲水聚氨酯水分散体及其连续制备方法
CN101154470B (zh) * 2006-09-29 2010-12-29 深圳富泰宏精密工业有限公司 外壳
CN107754755B (zh) * 2017-10-20 2020-04-10 万华化学(宁波)有限公司 脱除粗异氰酸酯产品中铁分的吸附剂及其制备方法和脱除方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148173A (en) * 1959-01-26 1964-09-08 Wyandotte Chemicals Corp Polyurethane-ureas containing urealinked nu-(2-hydroxypropyl) alkylene diamines
GB880665A (en) * 1959-01-26 1961-10-25 Wyandotte Chemicals Corp Polyurethane-ureas containing urea-linked piperazine compounds
US3294724A (en) * 1964-11-23 1966-12-27 Wyandotte Chemicals Corp Film-forming urethane latices, and preparation by chain extending a prepolymer of anorganic dhsocyanate and a polymeric diol with a piperazine compound
US3410817A (en) * 1965-04-29 1968-11-12 Wyandotte Chemicals Corp Polyurethane latices
US3424772A (en) * 1965-08-23 1969-01-28 Us Air Force Haloalkoxy-halodiketo-,halodiketo-and fluoroalkoxy-metal compounds
US3655627A (en) * 1969-06-19 1972-04-11 Textron Inc Process for preparing solid particles of urea-urethane polymers
DE2314512C3 (de) * 1973-03-23 1980-10-09 Bayer Ag, 5090 Leverkusen Thermoplastische, nichtionische, in Wasser despergierbare im wesentlichen lineare Polyurethanelastomere
NL7801516A (nl) * 1978-02-09 1979-08-13 Tno Werkwijze voor het scheiden van metalen.

Also Published As

Publication number Publication date
ATE24733T1 (de) 1987-01-15
NL8201654A (nl) 1983-11-16
ZA832826B (en) 1984-01-25
EP0092295B1 (de) 1987-01-07
JPS58189220A (ja) 1983-11-04
EP0092295A1 (de) 1983-10-26
US4605504A (en) 1986-08-12

Similar Documents

Publication Publication Date Title
DE3368938D1 (en) Polyetherurethane particles having absorptive activity, a method of preparing said polyetherurethane particles as well as a method for the extraction or separation of metals from liquids by employing said particles
FR2574092B1 (fr) Procede d'extraction d'or de minerais rebelles
SG4588G (en) High strength, wear and corrosion resistant coatings and method for producing the same
EP0403237A3 (de) Verfahren zum Entölen von Walzzunder
DE3264832D1 (en) Process and apparatus for the extraction of ions from a clear solution or from a suspension of solids in a liquid by contacting with an exchanger
AT388176B (de) Verfahren und anlage zur gewinnung von fluessigem roheisen oder stahlvorprodukten aus stueckigen, eisenoxidhaeltigen einsatzstoffen
GB2076789B (en) Process for extracting titanium values from titaniferous bearing material
GB2158102B (en) Process for obtaining metallic titanium from an anatase concentrate by an alumino-thermic or magnesium-thermic method
CS897683A2 (en) Electrolytic cell for metal production from mineral or enriched ores and process for manufacturing thereof
JPS575826A (en) Treatment of dust containing zinc and lead derived from iron and steel production process
ZA879658B (en) Process for removing heavy metals and other ions from an aqueous solution
PL250218A1 (en) Method of making metal blocks,blanks and formpieces having inclusions in the form hard alloy grains,apparatus therefor and metal block,blank or formpiece so obtained
Von Ropenack Hematite--the solution to a disposal problem--an example from the zinc industry
EP0378128B1 (de) Verfahren zur selektiven Flotation von Phosphormineralien.
EP0389872A3 (de) Verfahren zur Altpapieraufbereitung
DE3815877C1 (en) A process for separating off inorganic binder systems in the regeneration of used foundry sands
DE3567163D1 (en) Process for the treatment by bulk agitation of rough castings or machined parts and machine for implementing such process
HUT57090A (en) Method for processing workpieces of non-unfoldable shape from plain plate and the workpiece made by the method
DE69017973D1 (de) Verfahren zur Herstellung von feinteiligen Teilchen oder Pulver, Dampf oder Feintröpfchen und Vorrichtung dafür.
GB9613094D0 (en) In-situ electrolysis for improving the extraction of metal by heap or dump leaching
ZA917775B (en) Process for the extraction of metals from metalliferous raw materials
JPS5764421A (en) Press-formed product having rugged pattern
DE3360853D1 (en) Process for the reduction of the heavy metal content in raw phosphate
ZA856836B (en) Method and installation for the processing of diamondiferous raw material,in particular for the extraction of diamonds from kimberlite
Shmigidin et al. Combining the Leaching and Classification Steps in the Nepheline Process With the Aid of Vibration.(WAA Translation Available)

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee