RU2000100945A - ADVANCED METHOD FOR PREPARING POLYALUMINOSILICATE MICROGELS WITH LOW CONCENTRATION - Google Patents
ADVANCED METHOD FOR PREPARING POLYALUMINOSILICATE MICROGELS WITH LOW CONCENTRATIONInfo
- Publication number
- RU2000100945A RU2000100945A RU2000100945/12A RU2000100945A RU2000100945A RU 2000100945 A RU2000100945 A RU 2000100945A RU 2000100945/12 A RU2000100945/12 A RU 2000100945/12A RU 2000100945 A RU2000100945 A RU 2000100945A RU 2000100945 A RU2000100945 A RU 2000100945A
- Authority
- RU
- Russia
- Prior art keywords
- silicon dioxide
- aluminate
- specified
- silicate
- mixture
- Prior art date
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 28
- 239000000377 silicon dioxide Substances 0.000 claims 14
- 235000012239 silicon dioxide Nutrition 0.000 claims 13
- BPQQTUXANYXVAA-UHFFFAOYSA-N silicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 11
- 239000000203 mixture Substances 0.000 claims 10
- SMYKVLBUSSNXMV-UHFFFAOYSA-J aluminum;tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Al+3] SMYKVLBUSSNXMV-UHFFFAOYSA-J 0.000 claims 8
- 229910052783 alkali metal Inorganic materials 0.000 claims 5
- -1 alkali metal aluminate Chemical class 0.000 claims 5
- 239000002245 particle Substances 0.000 claims 4
- 238000010790 dilution Methods 0.000 claims 3
- 230000032683 aging Effects 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 2
- 238000005086 pumping Methods 0.000 claims 2
- IYJYQHRNMMNLRH-UHFFFAOYSA-N Sodium aluminate Chemical group [Na+].O=[Al-]=O IYJYQHRNMMNLRH-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 238000010924 continuous production Methods 0.000 claims 1
- 238000007865 diluting Methods 0.000 claims 1
- 238000001879 gelation Methods 0.000 claims 1
- 229910052738 indium Inorganic materials 0.000 claims 1
- 239000011833 salt mixture Substances 0.000 claims 1
- 229910001388 sodium aluminate Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Claims (1)
(a) одновременное введение первого потока, содержащего раствор силиката, растворимого в воде, и второго потока, содержащего алюминат щелочного металла в зону смешивания, в которой потоки сходятся под углом не меньше, чем 30o и при скорости, достаточной для произведения числа Рейнольдса в зоне смешивания по меньшей мере около 4000, и полученную смесь силиката/кислоты/соли, имеющую концентрацию диоксида кремния в диапазоне от 1 до 6 вес.% и рН > 8;
(б) старение смеси силиката/алюмината в течение периода времени, достаточного для достижения желаемого уровня частичного гелеобразования, но не больше, чем 15 мин; и
(в) разбавление выдержанной смеси до концентрации диоксида кремния не больше, чем 2,0 вес.%
2. Способ непрерывного приготовления микрогеля полиалюмосиликата, приводящий к уменьшенному осаждению диоксида кремния, в котором микрогель содержит раствор первоначальных частиц диоксида кремния диаметром от 1•10-9 до 2•10-9 м, причем частицы диоксида кремния имеют площадь поверхности по меньшей мере около 1000 м2/г, которые соединены друг с другом в индивидуальные цепи для формирования структур трехмерной сетки, и содержит
(а) одновременное введение первого потока, содержащего раствор силиката, растворимого в воде, и второго потока, содержащего соль алюмината щелочного металла, в кольцевое устройство смешивания, в котором потоки сходятся с помощью вытекания одного потока из внутреннего трубопровода устройства смешивания во второй поток, текущий по внешнему трубопроводу со скоростью, достаточной для производства числа Рейнольдса в зоне смешивания устройства смешивания по меньшей мере около 4000, и полученную смесь силиката/алюмината, имеющую концентрацию диоксида кремния в диапазоне от 1 до 6 вес.% и рН > 8.1. The method of continuous preparation of the polyaluminosilicate microgel, leading to reduced deposition of silicon dioxide, in which the microgel contains a solution of particles of silicon dioxide with a diameter of from 1 • 10 -9 to 2 • 10 -9 m, having a surface area of at least about 1000 m 2 / g which are connected to each other in individual circuits to form structures of a three-dimensional grid, including
(a) simultaneously introducing a first stream containing a solution of silicate soluble in water and a second stream containing an alkali metal aluminate into the mixing zone, in which the flows converge at an angle of not less than 30 ° and at a speed sufficient to multiply the Reynolds number by a mixing zone of at least about 4000, and the resulting silicate / acid / salt mixture having a silica concentration in the range of 1 to 6 wt.% and a pH>8;
(b) aging the silicate / aluminate mixture for a period of time sufficient to achieve the desired level of partial gelation, but not more than 15 minutes; and
(C) the dilution of the aged mixture to a concentration of silicon dioxide is not more than 2.0 wt.%
2. A method for the continuous preparation of a polyaluminosilicate microgel, resulting in a reduced deposition of silicon dioxide, in which the microgel contains a solution of the initial particles of silicon dioxide with a diameter of from 1 • 10 -9 to 2 • 10 -9 m, and the particles of silicon dioxide have a surface area of at least about 1000 m 2 / g, which are connected to each other in individual chains to form structures of a three-dimensional grid, and contains
(a) simultaneously introducing a first stream containing a water-soluble silicate solution and a second stream containing an alkali metal aluminate salt into an annular mixing device in which the streams converge by flowing one stream from the inner pipe of the mixing device into a second stream, the current through an external pipeline at a speed sufficient to produce the Reynolds number in the mixing zone of the mixing device of at least about 4000, and the resulting silicate / aluminate mixture having a concentration of silicon dioxide in the range from 1 to 6 wt.% and pH> 8.
(в) разбавление выдержанной смеси до концентрации диоксида кремния не больше, чем 2,0 вес.%
3. Устройство для непрерывного производства стабильного водного микрогеля полиалюмосиликата, которое содержит
(а) первый резервуар для содержания раствора силиката, растворимого в воде;
(б) второй резервуар для алюмината щелочного металла;
(в) устройство смешивания, имеющее первый ввод, который соединяется с указанным первым резервуаром, второй ввод, размещенный под углом по меньшей мере 30o относительно указанного первого ввода, который соединяется с указанным вторым резервуаром, и выход;
(г) первое устройство подачи с помощью насоса, расположенное между указанным первым резервуаром и указанным устройством смешивания для подачи с помощью насоса потока раствора силиката от указанного первого резервуара в указанный первый ввод и первое устройство контроля для контролирования концентрации диоксида кремния в пределах диапазона от 1 до 6 вес.% в полученной смеси силиката/алюмината, в то время как указанный раствор подают с помощью насоса;
(е) второе устройство подачи с помощью насоса, расположенное между указанным вторым резервуаром и указанным устройством смешивания для подачи с помощью насоса потока алюмината щелочного металла от указанного второго резервуара со скоростью относительно скорости указанного первого устройства подачи с помощью насоса для производства числа Рейнольдса внутри указанного устройства смешивания, равного по меньшей мере 4000 в области, в которой указанные потоки сходятся, посредством чего указанный силикат и указанный алюминат тщательно смешивают;
(ж) устройство регулирования состава смеси, расположенное внутри указанного выхода и чувствительное к скорости потока указанного алюмината в указанном устройстве смешивания для контролирования мольного отношения алюмината к диоксиду кремния <1:4;
(з) приемный бак;
(и) удлиненную петлю перемещения, которую соединяют с выходом указанного устройства смешивания и указанным приемным баком для перемещения указанной смеси между ними; и
(к) устройство разбавления для разбавления смеси силиката/алюмината в приемном баке до концентрации диоксида кремния не больше, чем 2,0 вес.%
4. Способ по пп.1 или 2, отличающийся тем, что указанная концентрация диоксида кремния составляет не больше, чем 1,0 вес.%.(b) aging the silicate / aluminate mixture for a period of time sufficient for the initial particles of silicon dioxide to bond with each other and form the indicated three-dimensional structures, while remaining in solution, but not more than 15 minutes; and
(C) the dilution of the aged mixture to a concentration of silicon dioxide is not more than 2.0 wt.%
3. Device for the continuous production of stable aqueous polyaluminosilicate microgel, which contains
(a) a first reservoir for containing a water-soluble silicate solution;
(b) a second tank for an alkali metal aluminate;
(c) a mixing device having a first inlet that connects to said first reservoir, a second inlet placed at an angle of at least 30 ° relative to said first inlet that connects to said second reservoir, and an outlet;
(d) a first pump feed device located between said first reservoir and said mixing device for pumping a silicate solution stream from said first reservoir to said first inlet and a first monitoring device for monitoring the concentration of silicon dioxide within a range of 1 to 6 wt.% In the resulting silicate / aluminate mixture, while the specified solution is supplied by pump;
(e) a second pump feed device located between said second tank and said mixing device for pumping an alkali metal aluminate stream from said second tank with a pump at a speed relative to the speed of said first feed device using a pump to produce the Reynolds number inside said device mixing at least 4000 in the region in which said streams converge, whereby said silicate and said aluminate are thoroughly mixed vyat;
(g) a device for controlling the composition of the mixture located inside the specified output and sensitive to the flow rate of the specified aluminate in the specified mixing device to control the molar ratio of aluminate to silicon dioxide <1: 4;
(h) receiving tank;
(i) an elongated loop of movement, which is connected to the output of the specified mixing device and the specified receiving tank to move the specified mixture between them; and
(k) a dilution device for diluting the silicate / aluminate mixture in the receiving tank to a concentration of silicon dioxide of not more than 2.0 wt.%
4. The method according to claims 1 or 2, characterized in that the specified concentration of silicon dioxide is not more than 1.0 wt.%.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/874,141 US5853616A (en) | 1992-05-26 | 1997-06-13 | Method for preparing low-concentration polyaluminosilicate microgels |
| US08/874,141 | 1997-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2000100945A true RU2000100945A (en) | 2001-11-10 |
| RU2203219C2 RU2203219C2 (en) | 2003-04-27 |
Family
ID=25363069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2000100945/12A RU2203219C2 (en) | 1997-06-13 | 1998-06-12 | Improved method for manufacturing low-concentration polyalumosilicate microgels |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US5853616A (en) |
| EP (1) | EP0989957B1 (en) |
| JP (1) | JP4535518B2 (en) |
| KR (2) | KR100573343B1 (en) |
| CN (1) | CN1130310C (en) |
| AT (1) | ATE273929T1 (en) |
| AU (1) | AU740772C (en) |
| BR (1) | BR9810108A (en) |
| CA (1) | CA2293720C (en) |
| DE (1) | DE69825750T2 (en) |
| DK (1) | DK0989957T3 (en) |
| ES (1) | ES2227843T3 (en) |
| ID (1) | ID24822A (en) |
| NO (1) | NO327656B1 (en) |
| NZ (1) | NZ502236A (en) |
| PT (1) | PT989957E (en) |
| RU (1) | RU2203219C2 (en) |
| WO (1) | WO1998056717A1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6060523A (en) * | 1998-07-20 | 2000-05-09 | E. I. Du Pont De Nemours And Company | Continuous process for preparing microgels |
| US6274112B1 (en) | 1999-12-08 | 2001-08-14 | E. I. Du Pont De Nemours And Company | Continuous production of silica-based microgels |
| US20060099408A1 (en) * | 2004-11-08 | 2006-05-11 | Akzo Nobel N.V. | Pigment composition |
| US20060112855A1 (en) * | 2004-11-08 | 2006-06-01 | Akzo Nobel N.V. | Pigment composition |
| US20060100338A1 (en) * | 2004-11-08 | 2006-05-11 | Akzo Nobel N.V. | Pigment composition |
| WO2006058855A2 (en) * | 2004-12-01 | 2006-06-08 | Ciba Specialty Chemicals Water Treatments Limited | High velocity, low pressure process for making silica gels and microgels |
| US7674374B2 (en) * | 2005-11-01 | 2010-03-09 | Robles Antonio T | Method for preparing acidic solutions of activated silica and polyvalent metal salt for water treatment |
| JP4873175B2 (en) * | 2006-07-28 | 2012-02-08 | レンゴー株式会社 | Cellulose treating agent and method for producing the same, and method for treating cellulose |
| CA2664490A1 (en) * | 2006-09-27 | 2008-04-03 | Ciba Holding Inc. | Siliceous composition and its use in papermaking |
| CA2678745A1 (en) * | 2007-02-26 | 2008-09-04 | Akzo Nobel N.V. | Pigment composition |
| US8609068B2 (en) * | 2010-02-24 | 2013-12-17 | J.M. Huber Corporation | Continuous silica production process and silica product prepared from same |
| US9028605B2 (en) | 2011-02-25 | 2015-05-12 | J.M. Huber Corporation | Coating compositions comprising spheroid silica or silicate |
| TWI506129B (en) * | 2011-09-15 | 2015-11-01 | Planar Solutions Llc | Homogeneous blending |
| JP6161966B2 (en) * | 2013-06-11 | 2017-07-12 | 株式会社トクヤマ | Mixer and method for producing metal oxide sol using the same |
| CN108130801B (en) | 2013-12-18 | 2020-11-24 | 艺康美国股份有限公司 | Method for producing activated colloidal silica for use in papermaking |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE270289C (en) * | ||||
| CA584727A (en) * | 1959-10-06 | E. Armstrong James | Process and apparatus for making silica sol | |
| US2234285A (en) * | 1937-04-02 | 1941-03-11 | William B Schworm | Treatment of natural waters |
| US2217466A (en) * | 1937-09-17 | 1940-10-08 | City Of Chicago | Composition of matter for water treatment |
| US2310009A (en) * | 1938-09-21 | 1943-02-02 | Philadelphia Quartz Co | Water purification |
| US2444774A (en) * | 1943-11-03 | 1948-07-06 | Philadelphia Quartz Co | Purification of raw waters |
| US2466842A (en) * | 1945-11-15 | 1949-04-12 | Davison Chemical Corp | Method for making silica hydrosol |
| US2769785A (en) * | 1950-09-02 | 1956-11-06 | B I F Ind Inc | Continuous silica sol apparatus |
| GB827586A (en) * | 1955-03-15 | 1960-02-10 | Water Res Ass | Improvements in or relating to the treatment of water |
| GB1044019A (en) * | 1963-10-17 | 1966-09-28 | Permutit Co Ltd | Improvements relating to the production of silica sol |
| GB1300946A (en) * | 1966-05-26 | 1972-12-29 | Peter Spence And Sons Ltd | Improvements in or relating to the preparation of active siliceous compounds and their use in the production of crystalline synthetic zeolites |
| SU856980A1 (en) * | 1977-09-19 | 1981-08-23 | Предприятие П/Я Р-6518 | Method of producing alumosilicon hydrogel granules |
| US4213950A (en) * | 1978-12-22 | 1980-07-22 | E. I. Du Pont De Nemours And Company | Process for preparing amorphous particulate poly(alumino-silicate) |
| JPS5926911A (en) * | 1982-08-04 | 1984-02-13 | Toyo Soda Mfg Co Ltd | Spherical porous silica gel and its preparation |
| FR2567504B1 (en) * | 1984-07-11 | 1989-12-29 | Rhone Poulenc Chim Base | SILICA COLLOIDS AND SPHERICAL SILICES AND METHODS FOR OBTAINING SAME |
| US5176891A (en) * | 1988-01-13 | 1993-01-05 | Eka Chemicals, Inc. | Polyaluminosilicate process |
| WO1989006637A1 (en) * | 1988-01-13 | 1989-07-27 | E.I. Du Pont De Nemours And Company | Polyaluminosilicate microgel process and composition |
| DE68906623T2 (en) * | 1988-09-16 | 1993-11-11 | Du Pont | Polysilicate microgels as retention / drainage aids in papermaking. |
| US4954220A (en) * | 1988-09-16 | 1990-09-04 | E. I. Du Pont De Nemours And Company | Polysilicate microgels as retention/drainage aids in papermaking |
| SE500387C2 (en) * | 1989-11-09 | 1994-06-13 | Eka Nobel Ab | Silica sols, process for making silica sols and using the soles in paper making |
| JP3084125B2 (en) * | 1992-04-28 | 2000-09-04 | 株式会社トクヤマ | Filler for paper and paper using it |
| JP2666638B2 (en) * | 1991-12-27 | 1997-10-22 | 王子製紙株式会社 | Method for producing hydrated silicic acid for papermaking |
| US5279807A (en) * | 1992-05-26 | 1994-01-18 | E. I. Du Pont De Nemours And Company | Method for preparing low-concentration polysilicate microgels |
| US5648055A (en) * | 1992-05-26 | 1997-07-15 | E. I. Du Pont De Nemours And Company | Method for preparing low-concentration polyaluminosilicate microgels |
| JP3465299B2 (en) * | 1993-05-17 | 2003-11-10 | 株式会社豊田中央研究所 | Method for producing sol or gel containing fine particles |
| US5482693A (en) * | 1994-03-14 | 1996-01-09 | E. I. Du Pont De Nemours And Company | Process for preparing water soluble polyaluminosilicates |
| JPH08333112A (en) * | 1995-06-02 | 1996-12-17 | Fuji Silysia Chem Ltd | Production of silica sol or silica gel |
| KR0158759B1 (en) * | 1995-10-31 | 1998-11-16 | 강박광 | Method for mesoporous composition |
| DE19541279A1 (en) * | 1995-11-06 | 1997-05-07 | Hoechst Ag | Process for the production of organically modified aerogels using alcohols |
-
1997
- 1997-06-04 KR KR1019997011334A patent/KR100573343B1/en not_active IP Right Cessation
- 1997-06-13 US US08/874,141 patent/US5853616A/en not_active Expired - Lifetime
-
1998
- 1998-06-12 BR BR9810108-0A patent/BR9810108A/en not_active IP Right Cessation
- 1998-06-12 CA CA002293720A patent/CA2293720C/en not_active Expired - Fee Related
- 1998-06-12 WO PCT/US1998/012359 patent/WO1998056717A1/en active IP Right Grant
- 1998-06-12 ID IDW20000025A patent/ID24822A/en unknown
- 1998-06-12 JP JP50331099A patent/JP4535518B2/en not_active Expired - Fee Related
- 1998-06-12 EP EP98926587A patent/EP0989957B1/en not_active Expired - Lifetime
- 1998-06-12 AU AU78389/98A patent/AU740772C/en not_active Ceased
- 1998-06-12 PT PT98926587T patent/PT989957E/en unknown
- 1998-06-12 RU RU2000100945/12A patent/RU2203219C2/en not_active IP Right Cessation
- 1998-06-12 AT AT98926587T patent/ATE273929T1/en active
- 1998-06-12 CN CN98807946A patent/CN1130310C/en not_active Expired - Fee Related
- 1998-06-12 DK DK98926587T patent/DK0989957T3/en active
- 1998-06-12 ES ES98926587T patent/ES2227843T3/en not_active Expired - Lifetime
- 1998-06-12 NZ NZ502236A patent/NZ502236A/en not_active IP Right Cessation
- 1998-06-12 KR KR1019997011717A patent/KR100554325B1/en not_active IP Right Cessation
- 1998-06-12 DE DE69825750T patent/DE69825750T2/en not_active Expired - Lifetime
-
1999
- 1999-12-09 NO NO19996067A patent/NO327656B1/en not_active IP Right Cessation
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