RU2008105853A - METHOD FOR PROCESSING NEPHELIN-FELT SARBID RAW MATERIAL - Google Patents
METHOD FOR PROCESSING NEPHELIN-FELT SARBID RAW MATERIAL Download PDFInfo
- Publication number
- RU2008105853A RU2008105853A RU2008105853/15A RU2008105853A RU2008105853A RU 2008105853 A RU2008105853 A RU 2008105853A RU 2008105853/15 A RU2008105853/15 A RU 2008105853/15A RU 2008105853 A RU2008105853 A RU 2008105853A RU 2008105853 A RU2008105853 A RU 2008105853A
- Authority
- RU
- Russia
- Prior art keywords
- feldspar
- residue
- nitric acid
- carried out
- silica
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract 16
- 239000002994 raw material Substances 0.000 title claims abstract 11
- 239000010433 feldspar Substances 0.000 claims abstract 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract 11
- 239000012141 concentrate Substances 0.000 claims abstract 11
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract 11
- 238000010306 acid treatment Methods 0.000 claims abstract 8
- 230000004913 activation Effects 0.000 claims abstract 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract 4
- 238000010438 heat treatment Methods 0.000 claims abstract 4
- 229940072033 potash Drugs 0.000 claims abstract 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract 4
- 235000015320 potassium carbonate Nutrition 0.000 claims abstract 4
- 238000000926 separation method Methods 0.000 claims abstract 4
- 238000001704 evaporation Methods 0.000 claims abstract 3
- 230000008020 evaporation Effects 0.000 claims abstract 3
- 238000005245 sintering Methods 0.000 claims abstract 3
- 239000002253 acid Substances 0.000 claims abstract 2
- 229910052641 aegirine Inorganic materials 0.000 claims abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052782 aluminium Inorganic materials 0.000 claims abstract 2
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical class [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 claims abstract 2
- 230000015572 biosynthetic process Effects 0.000 claims abstract 2
- 238000006243 chemical reaction Methods 0.000 claims abstract 2
- 238000007885 magnetic separation Methods 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims abstract 2
- 229910052664 nepheline Inorganic materials 0.000 claims abstract 2
- 239000010434 nepheline Substances 0.000 claims abstract 2
- 150000003839 salts Chemical class 0.000 claims abstract 2
- 239000000155 melt Substances 0.000 claims 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 1
- 239000003513 alkali Substances 0.000 claims 1
- 150000002823 nitrates Chemical class 0.000 claims 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
1. Способ переработки нефелин-полевошпатового сырья, включающий щелочную активацию с переводом полевого шпата в кислоторастворимую форму, азотнокислотную обработку с переводом алюминия и щелочных элементов в азотнокислый раствор, а кремнезема в нерастворимый остаток, отделение раствора от кремнеземсодержащего остатка, упаривание раствора с получением смеси азотнокислых солей алюминия и щелочных элементов и ее термическую обработку с последующей переработкой полученного спека на глинозем и соли щелочных элементов, отличающийся тем, что азотнокислотную обработку сырья осуществляют в начале процесса с образованием остатка, дополнительно содержащего полевой шпат, выделяют из остатка кремнеземный и полевошпатовый концентраты, щелочной активации подвергают только полевошпатовый концентрат, а полученный продукт активации направляют на стадию азотнокислотной обработки. ! 2. Способ по п.1, отличающийся тем, что кислотную обработку ведут 25-45% азотной кислотой при начальной температуре 70-90°С в режиме равномерной загрузки сырья в кислоту в течение 2-4 ч. ! 3. Способ по п.1, отличающийся тем, что в качестве нефелин-полевошпатового сырья используют сыннырит, при этом кремнеземный и полевошпатовый концентраты выделяют из остатка путем гравитационной сепарации. ! 4. Способ по п.1, отличающийся тем, что в качестве нефелин-полевошпатового сырья используют рисчоррит, при этом остаток дополнительно содержит эгирин, который выделяют из остатка путем магнитной сепарации. ! 5. Способ по п.1, отличающийся тем, что щелочную активацию полевошпатового концентрата осуществляют путем спекания с поташом при массовом соотношении сумм1. A method of processing nepheline-feldspar raw materials, including alkaline activation with the transfer of feldspar into an acid-soluble form, nitric acid treatment with the conversion of aluminum and alkaline elements into a nitric acid solution, and silica into an insoluble residue, separation of the solution from the silica-containing residue, evaporation of the solution to obtain a mixture of nitric acid aluminum salts and alkaline elements and its heat treatment with subsequent processing of the obtained cake to alumina and salts of alkaline elements, characterized in that the nitric acid treatment of the raw material is carried out at the beginning of the process with the formation of a residue additionally containing feldspar, silica concentrate and feldspar concentrates are isolated from the residue, only feldspar concentrate is subjected to alkaline activation, and the resulting activation product is sent to the nitric acid treatment stage. ! 2. The method according to claim 1, characterized in that the acid treatment is carried out with 25-45% nitric acid at an initial temperature of 70-90 ° C in a uniform loading of raw materials into acid for 2-4 hours! 3. The method according to claim 1, characterized in that as nepheline-feldspar raw materials use synovyr, while silica and feldspar concentrates are isolated from the residue by gravitational separation. ! 4. The method according to claim 1, characterized in that rischorrite is used as nepheline feldspar raw material, while the residue additionally contains aegirine, which is isolated from the residue by magnetic separation. ! 5. The method according to claim 1, characterized in that the alkaline activation of feldspar concentrate is carried out by sintering with potash in a mass ratio of amounts
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008105853/15A RU2372290C1 (en) | 2008-02-15 | 2008-02-15 | Method of processing nepheline-feldspathic raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008105853/15A RU2372290C1 (en) | 2008-02-15 | 2008-02-15 | Method of processing nepheline-feldspathic raw material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2008105853A true RU2008105853A (en) | 2009-08-20 |
| RU2372290C1 RU2372290C1 (en) | 2009-11-10 |
Family
ID=41150775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2008105853/15A RU2372290C1 (en) | 2008-02-15 | 2008-02-15 | Method of processing nepheline-feldspathic raw material |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2372290C1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2440296C2 (en) * | 2009-10-19 | 2012-01-20 | Дмитрий Ефимович Выдревич | Acid-alkali method for obtaining aluminium oxide from high-silica aluminium ores |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2460691C1 (en) * | 2011-01-25 | 2012-09-10 | Открытое акционерное общество "Акрон" | Method of processing nepheline |
| RU2522343C1 (en) * | 2013-01-21 | 2014-07-10 | Открытое акционерное общество "Акрон" | Method of processing nitrate salts |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU467580A1 (en) * | 1972-07-11 | 1977-11-05 | Институт Физико-Химических Основ Переработки Минерального Сырья Со Ан Ссср | Method of concentration of highsilica aluminosilicate rocks |
| US4246239A (en) * | 1979-07-27 | 1981-01-20 | Reynolds Metals Company | Alumina production by nitric acid extraction of clay |
| SU925865A1 (en) * | 1980-07-22 | 1982-05-07 | Всесоюзный научно-исследовательский и проектный институт галургии | Method for processing synnerites into potassium nitrate and alumina |
| RU2060941C1 (en) * | 1992-12-17 | 1996-05-27 | Всероссийский научно-исследовательский и проектный институт алюминиевой, магниевой и электродной промышленности | Method for processing of alkaline aluminosilicate raw materials |
-
2008
- 2008-02-15 RU RU2008105853/15A patent/RU2372290C1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2440296C2 (en) * | 2009-10-19 | 2012-01-20 | Дмитрий Ефимович Выдревич | Acid-alkali method for obtaining aluminium oxide from high-silica aluminium ores |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2372290C1 (en) | 2009-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20140216 |