CA2052449A1 - Floculant pour traitement des eaux et methode de production - Google Patents
Floculant pour traitement des eaux et methode de productionInfo
- Publication number
- CA2052449A1 CA2052449A1 CA2052449A CA2052449A CA2052449A1 CA 2052449 A1 CA2052449 A1 CA 2052449A1 CA 2052449 A CA2052449 A CA 2052449A CA 2052449 A CA2052449 A CA 2052449A CA 2052449 A1 CA2052449 A1 CA 2052449A1
- Authority
- CA
- Canada
- Prior art keywords
- flocculant
- producing
- water treatment
- silicic acid
- alkali metal
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/141—Preparation of hydrosols or aqueous dispersions
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2-260591 | 1990-10-01 | ||
JP26059190 | 1990-10-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2052449A1 true CA2052449A1 (fr) | 1992-04-02 |
CA2052449C CA2052449C (fr) | 2000-08-01 |
Family
ID=17350078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002052449A Expired - Fee Related CA2052449C (fr) | 1990-10-01 | 1991-09-30 | Floculant pour traitement des eaux et methode de production |
Country Status (6)
Country | Link |
---|---|
US (2) | US5227089A (fr) |
EP (1) | EP0479218B1 (fr) |
KR (1) | KR0142224B1 (fr) |
CN (1) | CN1049877C (fr) |
CA (1) | CA2052449C (fr) |
DE (1) | DE69101530T2 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2588109B2 (ja) * | 1993-03-19 | 1997-03-05 | 日本臓器製薬株式会社 | 鎮痛剤 |
CN1036387C (zh) * | 1993-07-06 | 1997-11-12 | 李念章 | 一种净水剂的生产方法 |
JP2594222B2 (ja) * | 1993-09-28 | 1997-03-26 | 日本臓器製薬株式会社 | 新規生理活性物質−kf |
JPH1180005A (ja) * | 1997-09-12 | 1999-03-23 | Nippon Zoki Pharmaceut Co Ltd | 骨粗鬆症治療剤 |
KR19990044835A (ko) | 1997-11-28 | 1999-06-25 | 고니시 진우에몬 | 생약추출물 |
US6180023B1 (en) | 1998-12-12 | 2001-01-30 | Sultan I. Amer | Composition and process for remediation of waste streams |
CA2337484A1 (fr) | 2000-02-18 | 2001-08-18 | Jin-Emon Konishi | Composition contenant un acide gras |
JP4014896B2 (ja) * | 2001-05-25 | 2007-11-28 | 株式会社トクヤマ | 水処理用凝集剤の製造方法 |
JP4696713B2 (ja) * | 2005-06-17 | 2011-06-08 | 富士ゼロックス株式会社 | 排水処理方法 |
GB201402669D0 (en) * | 2014-02-14 | 2014-04-02 | Medical Res Council | Stabilised silicate compositions and their uses |
CN104118925B (zh) * | 2014-08-08 | 2016-02-03 | 中国船舶重工集团公司第七○二研究所 | 一种复合型无机凝聚剂 |
CN105236530B (zh) * | 2015-09-09 | 2017-11-28 | 天津工业大学 | 一种处理食品污水絮凝剂及制备方法及应用 |
CN105152294A (zh) * | 2015-09-09 | 2015-12-16 | 天津工业大学 | 一种处理城市污水絮凝剂的制备方法及应用 |
CN107236092B (zh) * | 2017-07-20 | 2019-07-16 | 中海石油(中国)有限公司 | 一种含有硅酸盐结构单体及其制备方法与应用 |
CN115010185A (zh) * | 2022-06-10 | 2022-09-06 | 马钢(合肥)钢铁有限责任公司 | 一种电池级氯化亚铁的生产方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE542934C (de) * | 1927-07-22 | 1932-01-30 | I G Farbenindustrie Akt Ges | Herstellung von hochprozentigen Kieselsaeuresolen |
US2217466A (en) * | 1937-09-17 | 1940-10-08 | City Of Chicago | Composition of matter for water treatment |
GB618895A (en) * | 1946-08-14 | 1949-03-01 | John Eric Edwards | Clarification of coal washery effluent |
DE971180C (de) * | 1951-10-03 | 1958-12-18 | Henkel & Cie Gmbh | Verfahren zum Reinigen von Waessern |
US3867304A (en) * | 1967-06-12 | 1975-02-18 | Nalco Chemical Co | Acidic stable salt-free silica sols |
US3947376A (en) * | 1969-04-28 | 1976-03-30 | Nalco Chemical Company | Silica sols containing large particle size silica |
US3630954A (en) * | 1969-05-08 | 1971-12-28 | Du Pont | Organic amine-strong base stabilized high surface area silica sols and method for preparing same |
GB1399598A (en) * | 1971-06-24 | 1975-07-02 | Norwich | Water treatment process and apparatus |
BE831427A (fr) * | 1975-07-16 | 1976-01-16 | Procede de traitement de dechets et produits obtenus | |
US4110212A (en) * | 1977-04-21 | 1978-08-29 | David Krofchak | Method of treating a waste liquid containing polluting compounds |
US4332693A (en) * | 1978-01-06 | 1982-06-01 | American Colloid Company | Agent for the purification of waste waters and process for its production |
US4415467A (en) * | 1981-03-05 | 1983-11-15 | Colloid Piepho | Agent for the purification of waste waters and process for its production |
DD159539A1 (de) * | 1981-06-10 | 1983-03-16 | Eberhard Roensch | Verfahren zur herstellung von modifizierten kieselsaeureflockulaten |
JPS59202201A (ja) * | 1983-04-28 | 1984-11-16 | Shin Etsu Chem Co Ltd | 重合体スケ−ル付着防止剤およびそれを使用する方法 |
FR2555980A1 (fr) * | 1983-12-05 | 1985-06-07 | Heidenreich Johann | Produits chimiques pour le traitement des eaux |
JPS63130189A (ja) * | 1986-11-21 | 1988-06-02 | Suido Kiko Kk | 水処理方法及び水処理用凝集剤 |
JP2508713B2 (ja) * | 1987-05-15 | 1996-06-19 | 日産化学工業株式会社 | 高純度大粒子径シリカゾルの製造法 |
US4915467A (en) * | 1988-09-12 | 1990-04-10 | Corning Incorporated | Method of making fiber coupler having integral precision connection wells |
-
1991
- 1991-09-30 DE DE69101530T patent/DE69101530T2/de not_active Expired - Fee Related
- 1991-09-30 CN CN91109396A patent/CN1049877C/zh not_active Expired - Fee Related
- 1991-09-30 EP EP91116722A patent/EP0479218B1/fr not_active Expired - Lifetime
- 1991-09-30 CA CA002052449A patent/CA2052449C/fr not_active Expired - Fee Related
- 1991-09-30 US US07/767,318 patent/US5227089A/en not_active Expired - Lifetime
- 1991-10-01 KR KR1019910017211A patent/KR0142224B1/ko not_active IP Right Cessation
-
1993
- 1993-04-23 US US08/051,322 patent/US5415808A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR0142224B1 (ko) | 1998-06-15 |
DE69101530T2 (de) | 1994-07-28 |
CA2052449C (fr) | 2000-08-01 |
EP0479218A1 (fr) | 1992-04-08 |
CN1049877C (zh) | 2000-03-01 |
KR920007931A (ko) | 1992-05-27 |
US5415808A (en) | 1995-05-16 |
CN1060451A (zh) | 1992-04-22 |
EP0479218B1 (fr) | 1994-03-30 |
US5227089A (en) | 1993-07-13 |
DE69101530D1 (de) | 1994-05-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |