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 alcalinoInfo
- 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
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 2
- 229910052914 metal silicate Inorganic materials 0.000 title 1
- 239000000377 silicon dioxide Substances 0.000 title 1
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)
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)
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)
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 |
-
1983
- 1983-09-23 GB GB838325479A patent/GB8325479D0/en active Pending
-
1984
- 1984-09-17 EP EP84306352A patent/EP0141517B1/en not_active Expired
- 1984-09-17 GB GB848423476A patent/GB8423476D0/en active Pending
- 1984-09-17 DE DE8484306352T patent/DE3472663D1/de not_active Expired
- 1984-09-21 AU AU33387/84A patent/AU570269B2/en not_active Ceased
- 1984-09-21 US US06/653,047 patent/US4557815A/en not_active Expired - Fee Related
- 1984-09-24 CA CA000463905A patent/CA1236047A/en not_active Expired
- 1984-09-24 BR BR8404792A patent/BR8404792A/pt not_active IP Right Cessation
- 1984-09-25 JP JP59200315A patent/JPS60106986A/ja active Pending
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 |