CA1061988A - Process for producing a finely divided silica by spray drying - Google Patents
Process for producing a finely divided silica by spray dryingInfo
- Publication number
- CA1061988A CA1061988A CA240,526A CA240526A CA1061988A CA 1061988 A CA1061988 A CA 1061988A CA 240526 A CA240526 A CA 240526A CA 1061988 A CA1061988 A CA 1061988A
- Authority
- CA
- Canada
- Prior art keywords
- silica
- base
- suspension
- basic
- spray drying
- 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
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001694 spray drying Methods 0.000 title claims abstract description 14
- 239000000725 suspension Substances 0.000 claims abstract description 24
- 239000002253 acid Substances 0.000 claims abstract description 18
- 239000012065 filter cake Substances 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 5
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 4
- 239000002585 base Substances 0.000 claims description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 13
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 150000004679 hydroxides Chemical group 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000000047 product Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000001376 precipitating effect Effects 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000007704 wet chemistry method Methods 0.000 description 1
Classifications
-
- 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
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
- C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/043—Drying, calcination
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752505191 DE2505191B2 (de) | 1975-02-07 | 1975-02-07 | Verfahren zur herstellung einer feinteiligen kieselsaeure durch spruehtrocknung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1061988A true CA1061988A (en) | 1979-09-11 |
Family
ID=5938364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA240,526A Expired CA1061988A (en) | 1975-02-07 | 1975-11-26 | Process for producing a finely divided silica by spray drying |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4224295A (enExample) |
| JP (1) | JPS5725489B2 (enExample) |
| BE (1) | BE838360A (enExample) |
| CA (1) | CA1061988A (enExample) |
| DE (1) | DE2505191B2 (enExample) |
| ES (1) | ES441618A1 (enExample) |
| FR (1) | FR2330645A1 (enExample) |
| GB (1) | GB1522685A (enExample) |
| IT (1) | IT1048869B (enExample) |
| NL (1) | NL176863C (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4303641A (en) | 1978-05-24 | 1981-12-01 | W. R. Grace & Co. | Hydrous silica gel containing dentifrice |
| JPS55170459U (enExample) * | 1979-05-24 | 1980-12-06 | ||
| JPS55162416A (en) * | 1979-06-07 | 1980-12-17 | Tokuyama Soda Co Ltd | Manufacture of basic silicic acid hydrate |
| DE3005137A1 (de) * | 1980-02-12 | 1981-08-20 | Degussa Ag, 6000 Frankfurt | Cerhaltige faellungskieselsaeure, verfahren zu deren herstellung, sowie zu elastomeren haertbare massen, die die cerhaltige faellungskieselsaeure enthalten |
| DE3545615C3 (de) * | 1984-12-28 | 1996-11-21 | Ppg Industries Inc | Verwendung von amorphem gefälltem Siliziumdioxid zum Verstärken von mikroporösen Trennelementen für Batterien |
| GB8610024D0 (en) * | 1986-04-24 | 1986-05-29 | Unilever Plc | Porous structures |
| FR2631620B1 (fr) * | 1988-05-19 | 1990-07-27 | Rhone Poulenc Chimie | Nouvelle silice precipitee absorbante et composition a base de cette s ilice |
| US6193795B1 (en) | 1993-08-02 | 2001-02-27 | Degussa Corporation | Low structure pyrogenic hydrophilic and hydrophobic metallic oxides, production and use |
| US5575950A (en) * | 1994-12-06 | 1996-11-19 | J. M. Huber Corporation | Silicate defoaming composition and methods |
| IL117915A (en) * | 1995-04-19 | 2001-05-20 | Ppg Ind Ohio Inc | Amorphous precipitated silica having large liquid carrying capacity |
| EP2923756B1 (en) | 2012-11-26 | 2018-05-30 | Braskem S.A. | Metallocene catalyst supported by hybrid supporting means, process for producing same, polymerization process for producing an ethylene homopolymer or copolymer with broad or bimodal molar mass distribution, use of the supported metallocene catalyst and ethylene polymer with broad or bimodal molar mass distribution |
| CN108698894A (zh) | 2015-12-18 | 2018-10-23 | 贺利氏石英玻璃有限两合公司 | 在多腔式烘箱中制备石英玻璃体 |
| CN108698883A (zh) | 2015-12-18 | 2018-10-23 | 贺利氏石英玻璃有限两合公司 | 石英玻璃制备中的二氧化硅的喷雾造粒 |
| TWI733723B (zh) | 2015-12-18 | 2021-07-21 | 德商何瑞斯廓格拉斯公司 | 不透明石英玻璃體的製備 |
| WO2017103131A1 (de) | 2015-12-18 | 2017-06-22 | Heraeus Quarzglas Gmbh & Co. Kg | Verringern des erdalkalimetallgehalts von siliziumdioxidgranulat durch behandlung von kohlenstoffdotiertem siliziumdioxidgranulat bei hoher temperatur |
| CN109153593A (zh) | 2015-12-18 | 2019-01-04 | 贺利氏石英玻璃有限两合公司 | 合成石英玻璃粉粒的制备 |
| KR20180094087A (ko) | 2015-12-18 | 2018-08-22 | 헤래우스 크바르츠글라스 게엠베하 ＆ 컴파니 케이지 | 실리카 과립으로부터 실리카 유리 제품의 제조 |
| JP6940235B2 (ja) | 2015-12-18 | 2021-09-22 | ヘレウス クワルツグラス ゲーエムベーハー ウント コンパニー カーゲー | 高融点金属の溶融坩堝内での石英ガラス体の調製 |
| EP3390303B1 (de) | 2015-12-18 | 2024-02-07 | Heraeus Quarzglas GmbH & Co. KG | Herstellung von quarzglaskörpern mit taupunktkontrolle im schmelzofen |
| WO2017103153A1 (de) | 2015-12-18 | 2017-06-22 | Heraeus Quarzglas Gmbh & Co. Kg | Glasfasern und vorformen aus quarzglas mit geringem oh-, cl- und al-gehalt |
| KR20180095619A (ko) | 2015-12-18 | 2018-08-27 | 헤래우스 크바르츠글라스 게엠베하 ＆ 컴파니 케이지 | 실리카 유리 제조 동안 규소 함량의 증가 |
| EP3954743A1 (de) | 2020-08-12 | 2022-02-16 | Evonik Operations GmbH | Verwendung von siliziumdioxid zur verbesserung der leitfähigkeit von beschichtungen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2578605A (en) * | 1947-11-01 | 1951-12-11 | Goodrich Co B F | Surface-treated silica |
| US2940830A (en) * | 1955-08-23 | 1960-06-14 | Columbia Southern Chem Corp | Method of preparing silica pigments |
| US3383172A (en) * | 1964-02-04 | 1968-05-14 | Degussa | Process for producing silica in the form of hollow spheres |
| US3281210A (en) * | 1964-12-30 | 1966-10-25 | Burke Jr | Silica pigments and preparation thereof |
| US4001379A (en) * | 1968-04-27 | 1977-01-04 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler | Process of making superfine amorphous high structural silicic acid |
| US4094771A (en) * | 1976-01-13 | 1978-06-13 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler | Process for preparation of a sprayable precipitated silicic acid suspension |
-
1975
- 1975-02-07 DE DE19752505191 patent/DE2505191B2/de not_active Ceased
- 1975-10-09 ES ES441618A patent/ES441618A1/es not_active Expired
- 1975-10-15 FR FR7531607A patent/FR2330645A1/fr active Granted
- 1975-10-20 NL NLAANVRAGE7512291,A patent/NL176863C/xx not_active IP Right Cessation
- 1975-10-27 GB GB44069/75A patent/GB1522685A/en not_active Expired
- 1975-10-30 IT IT69692/75A patent/IT1048869B/it active
- 1975-11-26 CA CA240,526A patent/CA1061988A/en not_active Expired
-
1976
- 1976-02-06 JP JP1216076A patent/JPS5725489B2/ja not_active Expired
- 1976-02-06 BE BE6045354A patent/BE838360A/xx not_active IP Right Cessation
-
1978
- 1978-06-15 US US05/916,020 patent/US4224295A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE838360A (fr) | 1976-08-06 |
| US4224295A (en) | 1980-09-23 |
| ES441618A1 (es) | 1977-04-01 |
| IT1048869B (it) | 1980-12-20 |
| JPS5725489B2 (enExample) | 1982-05-29 |
| DE2505191B2 (de) | 1977-08-18 |
| FR2330645A1 (fr) | 1977-06-03 |
| JPS51105999A (enExample) | 1976-09-20 |
| NL176863C (nl) | 1985-06-17 |
| NL7512291A (nl) | 1976-08-10 |
| DE2505191A1 (de) | 1976-08-26 |
| GB1522685A (en) | 1978-08-23 |
| NL176863B (nl) | 1985-01-16 |
| FR2330645B1 (enExample) | 1980-06-27 |
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