BR8404792A - Processo para aumentar a relacao de silica para alcali em uma solucao aquosa de silicato de metal alcalino - Google Patents

Processo para aumentar a relacao de silica para alcali em uma solucao aquosa de silicato de metal alcalino

Info

Publication number
BR8404792A
BR8404792A BR8404792A BR8404792A BR8404792A BR 8404792 A BR8404792 A BR 8404792A BR 8404792 A BR8404792 A BR 8404792A BR 8404792 A BR8404792 A BR 8404792A BR 8404792 A BR8404792 A BR 8404792A
Authority
BR
Brazil
Prior art keywords
aque
alkali
silica
ratio
increase
Prior art date
Application number
BR8404792A
Other languages
English (en)
Inventor
Graham Wilfred Scott
James Hugh Steven
Original Assignee
Ici Plc
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 Ici Plc filed Critical Ici Plc
Publication of BR8404792A publication Critical patent/BR8404792A/pt

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
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
    • 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
    • C01B33/20—Silicates
    • C01B33/32—Alkali metal silicates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
BR8404792A 1983-09-23 1984-09-24 Processo para aumentar a relacao de silica para alcali em uma solucao aquosa de silicato de metal alcalino BR8404792A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838325479A GB8325479D0 (en) 1983-09-23 1983-09-23 Alkali metal silicates

Publications (1)

Publication Number Publication Date
BR8404792A true BR8404792A (pt) 1985-08-13

Family

ID=10549197

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8404792A BR8404792A (pt) 1983-09-23 1984-09-24 Processo para aumentar a relacao de silica para alcali em uma solucao aquosa de silicato de metal alcalino

Country Status (8)

Country Link
US (1) US4557815A (pt)
EP (1) EP0141517B1 (pt)
JP (1) JPS60106986A (pt)
AU (1) AU570269B2 (pt)
BR (1) BR8404792A (pt)
CA (1) CA1236047A (pt)
DE (1) DE3472663D1 (pt)
GB (2) GB8325479D0 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4976838A (en) * 1988-12-01 1990-12-11 Allied-Signal Inc. Method for purification of bases from materials comprising base and salt
US5135626A (en) * 1988-12-01 1992-08-04 Allied-Signal Inc. Method for purification of bases from materials comprising base and salt
WO1990012637A2 (en) * 1989-03-15 1990-11-01 Pulp And Paper Research Institute Of Canada Electrodialytic water splitting process for the treatment of aqueous electrolytes
US5006211A (en) * 1989-04-19 1991-04-09 Pulp And Paper Research Institute Of Canada Electrodialylic water splitting process for the treatment of aqueous electrolytes
FR2666998B1 (fr) * 1990-09-20 1993-07-16 Inst Francais Du Petrole Alphassemblage bipolaire de membranes anionique et cationique et son utilisation.
US5288378A (en) * 1990-09-28 1994-02-22 Alliedsignal Inc. Guard membranes for use in electrodialysis cells
US5961796A (en) * 1997-06-03 1999-10-05 Lynntech, Inc. Bipolar membranes with fluid distribution passages
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
SG116478A1 (en) * 2003-02-11 2005-11-28 Hyflux Ltd Web structure membrane spacer.
DE102017010475A1 (de) * 2017-11-10 2019-05-16 Krones Ag Verfahren und Vorrichtung zur Herstellung von Trinkwasser mit hohem Silikatgehalt
DE102018005796A1 (de) 2018-07-23 2020-01-23 Krones Ag Verfahren und Vorrichtung zur Anreicherung von Silikat in Trinkwasser

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1233933A (pt) * 1968-07-19 1971-06-03
US3668088A (en) * 1969-12-02 1972-06-06 Du Pont Method of producing colloidal silica by electrodialysis of a silicate
US4203822A (en) * 1976-03-22 1980-05-20 Diamond Shamrock Corporation Method of producing sols by electrodialysis
GB1545702A (en) * 1976-03-22 1979-05-10 Diamond Shamrock Corp Electrodialytic production of sols
JPS5420479A (en) * 1977-07-18 1979-02-15 Nippon Kokan Kk <Nkk> Steel plate shearing unit train
US4124471A (en) * 1977-08-22 1978-11-07 Diamond Shamrock Corporation Controlling silica sol particle size
US4303487A (en) * 1978-04-19 1981-12-01 Ppg Industries, Inc. Production of alkali metal silicate having a high silica to alkali metal oxide ratio
US4387008A (en) * 1979-10-01 1983-06-07 W. R. Grace & Co. Electrodialytic method for production of silica gel
US4410405A (en) * 1979-12-10 1983-10-18 E. I. Du Pont De Nemours And Co. Silica sol process
DE3124893A1 (de) * 1981-06-25 1983-01-13 Henkel KGaA, 4000 Düsseldorf Verfahren zur herstellung von festem, kristallinem, wasserfreiem natriummetasilikat
US4391680A (en) * 1981-12-03 1983-07-05 Allied Corporation Preparing alkali metal hydroxide by water splitting and hydrolysis
DE3202657A1 (de) * 1982-01-28 1983-08-04 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von katalytisch aktiven alumosilikaten und ihre verwendung
FR2541667B2 (fr) * 1982-04-16 1986-07-04 Ugine Kuhlmann Procede de fabrication de solutions de silicate alcalin dans un reacteur statique
US4508607A (en) * 1982-10-18 1985-04-02 W. R. Grace & Co. Particulate dialytic silica

Also Published As

Publication number Publication date
GB8423476D0 (en) 1984-10-24
DE3472663D1 (en) 1988-08-18
EP0141517A1 (en) 1985-05-15
AU3338784A (en) 1985-03-28
AU570269B2 (en) 1988-03-10
US4557815A (en) 1985-12-10
JPS60106986A (ja) 1985-06-12
GB8325479D0 (en) 1983-10-26
CA1236047A (en) 1988-05-03
EP0141517B1 (en) 1988-07-13

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)
B15K Others concerning applications: alteration of classification

Ipc: B01D 61/44 (2006.01), C01B 33/32 (2006.0