[go: up one dir, main page]

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)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (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 (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5135626A (en) * 1988-12-01 1992-08-04 Allied-Signal Inc. Method for purification of bases from materials comprising base and salt
US4976838A (en) * 1988-12-01 1990-12-11 Allied-Signal Inc. Method for purification of bases from materials comprising base and salt
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
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
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.
RU2358038C1 (ru) * 2007-08-24 2009-06-10 Константин Николаевич Кошкин Способ генерации водорода и устройство для его осуществления
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
FR2392139A1 (fr) * 1976-03-22 1978-12-22 Diamond Shamrock Corp Pro
US4203822A (en) * 1976-03-22 1980-05-20 Diamond Shamrock Corporation Method of producing sols by electrodialysis
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
EP0141517B1 (en) 1988-07-13
GB8325479D0 (en) 1983-10-26
GB8423476D0 (en) 1984-10-24
DE3472663D1 (en) 1988-08-18
US4557815A (en) 1985-12-10
AU3338784A (en) 1985-03-28
EP0141517A1 (en) 1985-05-15
AU570269B2 (en) 1988-03-10
CA1236047A (en) 1988-05-03
JPS60106986A (ja) 1985-06-12

Similar Documents

Publication Publication Date Title
BR8602075A (pt) Granulos de detergente livres de silicato,processo para preparar granulos de detergente,composicao detergente e processo para preparar uma composicao detergente
BR8703185A (pt) Processo para modificar a superficie de silica finamente dividida
BR8306007A (pt) Processo para reducao do teor de agua de um acido alcanossulfonico inferior
BR8404792A (pt) Processo para aumentar a relacao de silica para alcali em uma solucao aquosa de silicato de metal alcalino
BR8102484A (pt) Processo para a remocao de alcali de polieter-poliois
BR9306078A (pt) Processo e aparelho para a produção de ácido sulfúrico e hidróxido de metal alcalino
BR9007866A (pt) Processo para a obtencao hidrotermica de solucoes de silicato de potassio
GB2138927B (en) Adding to silica refractory structures
PT84055B (pt) Processo para a preparacao de suspencoes aquosas tixotropicas contendo um acido mono- ou policarboxilico
IL64901A (en) Process for the production of alkali metal sulfates
BR8701552A (pt) Processo para a producao de um po detergente e po detergente
BR8404791A (pt) Processo para aumentar a relacao de silica para alcali em uma solucao aquosa de silicato de metal alcalino
BR8301930A (pt) Processo de fabricacao de uma solucao limpida de silicato de metal alcalino
BR8300542A (pt) Processo para a conversao continua de metacaulim em silicato de sodio e aluminio zeolitico de particulas finissimas
BR8404790A (pt) Processo para aumentar a relacao de silica para alcali em uma solucao aquosa de silicato de metal alcalino
BR8503779A (pt) Processo para fazer uma suspensao detergente tixotropica
IL69553A (en) Gypsum conversion to potassium sulphate or sodium sulphate
CS9000415A2 (en) Method of sodium silicate solutions production
BR8108378A (pt) Processo para converter acidos aciloxiexenoicos em gama-vinilgama-butirolactona
BR9007067A (pt) Processo para a producao hidrotermica de solucoes de silicato de sodio com elevada proporcao molar sio2:na2o
BR8702950A (pt) Processo para produzir silicatos alcalinos soluveis e utilizacao de vidro soluvel de soda assim produzido
BR8700567A (pt) Processo para producao de clorato de metal alcalino
BR8701757A (pt) Processo para a producao de um po detergente e po detergente
BR8702745A (pt) Processo para a producao de uma solucao de mgci2 concentrada
BR8400944A (pt) Aperfeicoamento em processo para a conversao de materias de partida carbonaceas

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