ES348506A1 - Mejoras introducidas en la produccion de composiciones co- loidales acuosas. - Google Patents

Mejoras introducidas en la produccion de composiciones co- loidales acuosas.

Info

Publication number
ES348506A1
ES348506A1 ES348506A ES348506A ES348506A1 ES 348506 A1 ES348506 A1 ES 348506A1 ES 348506 A ES348506 A ES 348506A ES 348506 A ES348506 A ES 348506A ES 348506 A1 ES348506 A1 ES 348506A1
Authority
ES
Spain
Prior art keywords
sol
membrane
water
transport
cation
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
ES348506A
Other languages
English (en)
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.)
Monsanto Chemicals Ltd
Original Assignee
Monsanto Chemicals 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 Monsanto Chemicals Ltd filed Critical Monsanto Chemicals Ltd
Publication of ES348506A1 publication Critical patent/ES348506A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/146—After-treatment of sols
    • C01B33/148—Concentration; Drying; Dehydration; Stabilisation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Silicon Compounds (AREA)
ES348506A 1966-12-23 1967-12-21 Mejoras introducidas en la produccion de composiciones co- loidales acuosas. Expired ES348506A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB57649/66A GB1148950A (en) 1966-12-23 1966-12-23 Production of colloidal compositions

Publications (1)

Publication Number Publication Date
ES348506A1 true ES348506A1 (es) 1969-03-01

Family

ID=10479690

Family Applications (1)

Application Number Title Priority Date Filing Date
ES348506A Expired ES348506A1 (es) 1966-12-23 1967-12-21 Mejoras introducidas en la produccion de composiciones co- loidales acuosas.

Country Status (5)

Country Link
US (1) US3560400A (es)
DE (1) DE1667629A1 (es)
ES (1) ES348506A1 (es)
FR (1) FR1549760A (es)
GB (1) GB1148950A (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969266A (en) * 1971-06-23 1976-07-13 E. I. Du Pont De Nemours And Company Microporous membrane process for making concentrated silica sols
WO1978000001A1 (en) * 1977-08-25 1978-10-19 M Samanta Low temperature synthesis of vitreous bodies and their intermediates
US4220461A (en) * 1978-04-06 1980-09-02 Mrinmay Samanta Low temperature synthesis of vitreous bodies and their intermediates
JPS5815022A (ja) * 1981-07-13 1983-01-28 Asahi Denka Kogyo Kk シリカゾルの製造方法
US4451388A (en) * 1981-11-02 1984-05-29 Nalco Chemical Company Preparation of aluminum oxide coated silica sols using ultrafiltration
US5100581A (en) * 1990-02-22 1992-03-31 Nissan Chemical Industries Ltd. Method of preparing high-purity aqueous silica sol
DE4216119C2 (de) * 1992-05-15 1995-08-10 Bayer Ag Verfahren zur Herstellung und Konzentrierung von Kieselsolen
DE60029778T2 (de) * 1999-05-04 2007-10-18 Akzo Nobel N.V. Sole auf der basis von kieselsäure
US6747065B1 (en) * 2000-09-01 2004-06-08 Chemical Products Corporation System and method for producing high purity colloidal silica and potassium hydroxide
JP4290348B2 (ja) 2001-03-21 2009-07-01 東曹産業株式会社 珪酸アルカリ水溶液の製造方法
EP1394224A1 (en) 2001-04-17 2004-03-03 Tososangyo Co., Ltd Coating material composition having photocatalytic activity

Also Published As

Publication number Publication date
US3560400A (en) 1971-02-02
DE1667629A1 (de) 1971-07-15
FR1549760A (es) 1968-12-13
GB1148950A (en) 1969-04-16

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