MD3508G2 - Process for obtaining a catalyst for water purification from organic compounds - Google Patents
Process for obtaining a catalyst for water purification from organic compoundsInfo
- Publication number
- MD3508G2 MD3508G2 MDA20070033A MD20070033A MD3508G2 MD 3508 G2 MD3508 G2 MD 3508G2 MD A20070033 A MDA20070033 A MD A20070033A MD 20070033 A MD20070033 A MD 20070033A MD 3508 G2 MD3508 G2 MD 3508G2
- Authority
- MD
- Moldova
- Prior art keywords
- clay
- hours
- catalyst
- during
- obtaining
- Prior art date
Links
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- Catalysts (AREA)
Abstract
The invention relates to a process for obtaining a catalyst for water purification from organic compounds and may be used in the sterilization and degasification of aqueous solutions for food industry.The process includes utilization of the montmorillonite-type clay, purification thereof from quartz and cristobalite by repeated sedimentation into a bath with ultrasound and from organic inclusions by calcination at the temperature of 450°C during 3 hours in the airflow, with modification thereof in the salt solution by ion exchange with cations, at the same time it is used clay with cation-exchange capacity of 1,10...1,15 mg-equiv./g, and modification is carried out by impregnation of the purified clay with 1M solution of Na+ salts or one of the transition metals, namely Fe+2, Co+2, Ni+2, Cu+2,in the ratio, respectively, of 1:25, by agitation during 4...5 hours, with repeated dialysis in deionized water at the room temperature, then the clay is centrifugated and dried at 60°C during 10...12 hours.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20070033A MD3508G2 (en) | 2007-02-05 | 2007-02-05 | Process for obtaining a catalyst for water purification from organic compounds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20070033A MD3508G2 (en) | 2007-02-05 | 2007-02-05 | Process for obtaining a catalyst for water purification from organic compounds |
Publications (2)
Publication Number | Publication Date |
---|---|
MD3508F1 MD3508F1 (en) | 2008-02-29 |
MD3508G2 true MD3508G2 (en) | 2008-09-30 |
Family
ID=39156465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MDA20070033A MD3508G2 (en) | 2007-02-05 | 2007-02-05 | Process for obtaining a catalyst for water purification from organic compounds |
Country Status (1)
Country | Link |
---|---|
MD (1) | MD3508G2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD20070049A (en) * | 2007-02-26 | 2008-09-30 | Государственный Университет Молд0 | Catalyst for water purification from organic compounds |
MD3566G2 (en) * | 2007-05-02 | 2008-11-30 | Государственный Университет Молд0 | Process for coagulation-flocculation during metal cation removal from water |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102976465B (en) * | 2012-12-24 | 2014-02-05 | 中国科学院新疆理化技术研究所 | Method for degrading polyacrylamide in sewage |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1007678A1 (en) * | 1981-04-01 | 1983-03-30 | Кишиневский государственный медицинский институт | Device for bactericide treating of liquid media |
SU1321695A1 (en) * | 1985-10-18 | 1987-07-07 | Ленинградский горный институт им.Г.В.Плеханова | Method of removing organic substances from waste water |
MD2469F2 (en) * | 2002-06-18 | 2004-06-30 | Univ De Stat Din Moldova | Process for obtaining the milk catalytic coagulation agent (variants), milk catalytic coagulation agent (variants) and process for milk catalytic coagulation |
-
2007
- 2007-02-05 MD MDA20070033A patent/MD3508G2/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1007678A1 (en) * | 1981-04-01 | 1983-03-30 | Кишиневский государственный медицинский институт | Device for bactericide treating of liquid media |
SU1321695A1 (en) * | 1985-10-18 | 1987-07-07 | Ленинградский горный институт им.Г.В.Плеханова | Method of removing organic substances from waste water |
MD2469F2 (en) * | 2002-06-18 | 2004-06-30 | Univ De Stat Din Moldova | Process for obtaining the milk catalytic coagulation agent (variants), milk catalytic coagulation agent (variants) and process for milk catalytic coagulation |
Non-Patent Citations (4)
Title |
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Koch, M., Yediler, A., Lienert, D., Insel, G., Kettrup, A. Ozonation of hydrolyzed azo dye reactive yellow 84 (CI). Chemosphere, 46(1), 2002, p. 109-137 * |
Nilvebrant, N., Reimann, A. Xylan as a source for oxalic acid during ozone bleaching. 4th European Workshop on Lignocellulosics and Pulp, September 8-11, * |
Ristolainen, M., Alén, R. Characterization of effluents from TCF bleaching of hardwood kraft pulp, Int. Pulp Bleaching Conf. April 14-18, Washington DC, Book 2, * |
Zhu, X.F., Xu, X.H. The mechanism of Fe (III)-catalyzed ozonation of phenol, Journal of Zhejiang University SCIENCE, 5(12), 2004, p. 1543-1547 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD20070049A (en) * | 2007-02-26 | 2008-09-30 | Государственный Университет Молд0 | Catalyst for water purification from organic compounds |
MD3566G2 (en) * | 2007-05-02 | 2008-11-30 | Государственный Университет Молд0 | Process for coagulation-flocculation during metal cation removal from water |
Also Published As
Publication number | Publication date |
---|---|
MD3508F1 (en) | 2008-02-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KA4A | Patent for invention lapsed due to non-payment of fees (with right of restoration) | ||
MM4A | Patent for invention definitely lapsed due to non-payment of fees |