SU993508A1 - METHOD OF OBTAINING THIN-LAYER INORGANIC SORBENTS - Google Patents
METHOD OF OBTAINING THIN-LAYER INORGANIC SORBENTSInfo
- Publication number
- SU993508A1 SU993508A1 SU3310127/26A SU3310127A SU993508A1 SU 993508 A1 SU993508 A1 SU 993508A1 SU 3310127/26 A SU3310127/26 A SU 3310127/26A SU 3310127 A SU3310127 A SU 3310127A SU 993508 A1 SU993508 A1 SU 993508A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- layer inorganic
- inorganic sorbents
- metal
- urea
- solutions
- Prior art date
Links
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
1. Способ получения тонкослойных неорганических сорбентов, включающий обработку носителя растворами солей металлов и мочевины при повышенной температуре, отличающийся тем, что, с целью повышения сорбционной способности по отношению к ионам поливалентных металлов, обработку ведут в присутствии агента, образующего комплексное соединение с металлом с константой устойчивости 10- 10.2. Способ по п.1, отличающийся тем, что в качестве комплексообразующего агента используют растворы перекиси водорода, серной или щавелевой кислот.3. Способ по пп.1 и 2, отличающийся тем, что мольное соотношение соли металлов, мочевины и комплексующего агента при смешивании составляет 0,002 - 0,5 : 0,005 - 2,0 : 0,05 - 1,0.1. A method of producing thin-layer inorganic sorbents, which includes processing the carrier with solutions of metal salts and urea at elevated temperature, characterized in that, in order to increase the sorption capacity with respect to polyvalent metal ions, the treatment is carried out in the presence of an agent that forms a complex compound with a metal with a constant stability 10 10.2. The method according to claim 1, characterized in that solutions of hydrogen peroxide, sulfuric or oxalic acids are used as the complexing agent. The method according to PP.1 and 2, characterized in that the molar ratio of metal salt, urea and complexing agent when mixed is 0.002 - 0.5: 0.005 - 2.0: 0.05 - 1.0.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU3310127/26A SU993508A1 (en) | 1981-06-23 | 1981-06-23 | METHOD OF OBTAINING THIN-LAYER INORGANIC SORBENTS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU3310127/26A SU993508A1 (en) | 1981-06-23 | 1981-06-23 | METHOD OF OBTAINING THIN-LAYER INORGANIC SORBENTS |
Publications (1)
Publication Number | Publication Date |
---|---|
SU993508A1 true SU993508A1 (en) | 1999-08-27 |
Family
ID=60524110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU3310127/26A SU993508A1 (en) | 1981-06-23 | 1981-06-23 | METHOD OF OBTAINING THIN-LAYER INORGANIC SORBENTS |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU993508A1 (en) |
-
1981
- 1981-06-23 SU SU3310127/26A patent/SU993508A1/en active
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