SU831733A1 - Method of purifying alkaline aluminate solutions from impurities - Google Patents
Method of purifying alkaline aluminate solutions from impurities Download PDFInfo
- Publication number
- SU831733A1 SU831733A1 SU792818781A SU2818781A SU831733A1 SU 831733 A1 SU831733 A1 SU 831733A1 SU 792818781 A SU792818781 A SU 792818781A SU 2818781 A SU2818781 A SU 2818781A SU 831733 A1 SU831733 A1 SU 831733A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- impurities
- gallium
- aluminum
- solutions
- solution
- Prior art date
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- 239000012535 impurity Substances 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 8
- 150000004645 aluminates Chemical class 0.000 title claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- 229910052733 gallium Inorganic materials 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000007670 refining Methods 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003518 caustics Substances 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 238000000746 purification Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Electrolytic Production Of Metals (AREA)
Description
Изобретение относится к технологии глиноземного производства и может быть использовано для очистки алюминатных растворов от примесей при последующем- использовании раст- 3 воров для извлечения галлия.·The invention relates to alumina production technology and can be used to purify aluminate solutions from impurities in the subsequent use of solutions of 3 thieves to extract gallium. ·
Известны способы очистки алюминатных растворов от примеси, включающие как правило, обработку раствора каким-либо реагентом, соосаждающим примесь, например известью [1}.Known methods for cleaning aluminate solutions from impurities, including, as a rule, treating the solution with any reagent co-precipitating the impurity, for example with lime [1}.
Однако при известковой обработке происходит разбавление растворов, а также значительные потери алюминия с кальциевым осадком. 15However, with lime treatment, dilution of the solutions occurs, as well as significant losses of aluminum with calcium precipitate. fifteen
Известен способ очистки щелочных алюминатных растворов от примесей, включающий обработку их восстановителем, с последующим отделением мало- 20 растворимых форм примесей. Обработку проводят тонкоизмельченным алюминиевым порошком. При этом такие примеси, .как ванадий и хром, восстанавливаются до низших степеней валентности и вследствие малой растворимости выпадают в осадок [23 .A known method of purification of alkaline aluminate solutions from impurities, including processing them with a reducing agent, followed by separation of low-20 soluble forms of impurities. Processing is carried out with finely ground aluminum powder. Moreover, such impurities, like vanadium and chromium, are reduced to the lowest degrees of valency and, due to their low solubility, precipitate [23.
Однако высокая стоимость алюминиевого порошка существенно ограничи’вает применение способа. 30However, the high cost of aluminum powder significantly limits the application of the method. thirty
Цель изобретения - удешевление процесса.The purpose of the invention is the reduction of the cost of the process.
Поставленная цель достигается тем, что в качестве восстановителя используют анодный сплав - продукт трехслойного рафинирования алюминия. Анодный сплав содержит, масс.%: 30-40 меди, до 12 кремния, до 3,9 железа, 0,20,3 галлия, остальное алюминий.This goal is achieved by the fact that as the reducing agent use an anode alloy - a product of three-layer refining of aluminum. The anode alloy contains, wt.%: 30-40 copper, up to 12 silicon, up to 3.9 iron, 0.20.3 gallium, the rest is aluminum.
Пример. Исходный раствор, содержащий, г/л: 0,432 галлия, 79,04 алюминия, 0,714 окиси хрома, 0,180 пятиокиси ванадия и 0,016 окиси железа, в количестве 1 л помещают в реактор с мешалкой и обрабатывают анодным сплавом фракции 1,6 мм + 0,05 мм в течение 2-6 ч. Сплав дозируют в количестве 5-250 г/л раствора.Example. An initial solution containing, g / l: 0.432 gallium, 79.04 aluminum, 0.714 chromium oxide, 0.180 vanadium pentoxide and 0.016 iron oxide, in an amount of 1 l is placed in a reactor with a stirrer and treated with an anode alloy of 1.6 mm + 0 fraction, 05 mm for 2-6 hours. The alloy is dosed in an amount of 5-250 g / l of solution.
Достаточно высокая степень очистки наблюдается: при расходе анодного сплавй более 30 г на литр раствора. С увеличением расхода сплава улучшается фильтруемость осадков. При расходе анодного сплава 60 г на литр раствора получают фильтрат следующего состава, г/л: 120.,6 окиси алюминия, 0,51 галлия, 0,005 окиси хрома, 0,0.06 окиси железа. Ванадий не обнаружен. Каустический модуль раствора 1,52. При цементации галлия из полу3 ченного раствора 0,5% галламой алюминия, извлечение галлия составляет 59,8% при расходе алюминия 26 г на 1 г выделенного галлия.A fairly high degree of purification is observed: when the consumption of anode alloys exceeds 30 g per liter of solution. With an increase in alloy consumption, the filterability of precipitation improves. At an anode alloy consumption of 60 g per liter of solution, a filtrate of the following composition is obtained, g / l: 120., 6 aluminum oxide, 0.51 gallium, 0.005 chromium oxide, 0.0.06 iron oxide. Vanadium not found. The caustic module of the solution is 1.52. When carburizing gallium from a obtained solution of 0.5% aluminum gallam, gallium recovery is 59.8% with an aluminum consumption of 26 g per 1 g of gallium extracted.
После увеличения каустического модуля раствора до 3,45 доукрепле- $ нием его раствором щелочи извлечение галлия составляет 76,2%.After increasing the caustic module of the solution to 3.45 by strengthening it with an alkali solution, gallium recovery is 76.2%.
Применение анодного сплава после трехслойного рафинирования алюминия позволяет удешевить процесс очистки алюминатных растворов от примесей и утилизировать алюминий из анодного сплава в глиноземное производство.The use of an anodic alloy after three-layer refining of aluminum makes it possible to reduce the cost of purification of aluminate solutions from impurities and to utilize aluminum from the anodic alloy in alumina production.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792818781A SU831733A1 (en) | 1979-09-18 | 1979-09-18 | Method of purifying alkaline aluminate solutions from impurities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792818781A SU831733A1 (en) | 1979-09-18 | 1979-09-18 | Method of purifying alkaline aluminate solutions from impurities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU831733A1 true SU831733A1 (en) | 1981-05-23 |
Family
ID=20850256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU792818781A SU831733A1 (en) | 1979-09-18 | 1979-09-18 | Method of purifying alkaline aluminate solutions from impurities |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU831733A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2302995C1 (en) * | 2005-11-07 | 2007-07-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (технический университет)" | Method of purification of the aluminate solutions from the impurities |
-
1979
- 1979-09-18 SU SU792818781A patent/SU831733A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2302995C1 (en) * | 2005-11-07 | 2007-07-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (технический университет)" | Method of purification of the aluminate solutions from the impurities |
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