CN104671268A - Method for manufacturing aluminum trichloride from aluminum oxide - Google Patents
Method for manufacturing aluminum trichloride from aluminum oxide Download PDFInfo
- Publication number
- CN104671268A CN104671268A CN201310616105.5A CN201310616105A CN104671268A CN 104671268 A CN104671268 A CN 104671268A CN 201310616105 A CN201310616105 A CN 201310616105A CN 104671268 A CN104671268 A CN 104671268A
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- CN
- China
- Prior art keywords
- aluminum oxide
- oxalic acid
- aluminum
- sodium
- chlor
- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/56—Chlorides
- C01F7/58—Preparation of anhydrous aluminium chloride
- C01F7/60—Preparation of anhydrous aluminium chloride from oxygen-containing aluminium compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention relates to a method for manufacturing aluminum trichloride from aluminum oxide, which comprises the following steps: a. preparing the following raw materials: sodium chloride, aluminum oxide powder, carbon powder and oxalic acid; b. putting the sodium chloride into a container, and fusing; c. when the sodium chloride temperature reaches 800 DEG C, mixing the aluminum oxide powder, carbon powder and oxalic acid in a weight ratio of 9:1:1, and adding the mixture into the sodium chloride; d. introducing chlorine into the sodium chloride, reacting the aluminum oxide, carbon powder, chlorine and oxalic acid to generate the aluminum trichloride, wherein the aluminum trichloride is heated to gasify; and e. leading the aluminum trichloride gas into a crystallizer, and crystallizing. The method provided by the invention only needs a small amount of reducer, and thus, is low in production cost, thereby increasing profits for the enterprise.
Description
Technical field
The present invention relates to a kind of aluminum oxide makes aluminum chloride method as raw material, belong to chemical field.
Background technology
The method of existing making aluminum chloride adopts chlorine and reactive aluminum to generate aluminum chloride usually, because the price of aluminium is higher, directly causes the manufacturing cost of finished product aluminum chloride too high, is unfavorable for market competition.If cheap raw material can be adopted to make aluminum chloride, so just can reduce manufacturing cost, create maximum economic profit to enterprise, make enterprise have more advantage in market competition.
Although a lot of enterprise also uses aluminum oxide as raw material, with carbon aluminium wherein cemented out and be cooled to aluminium ingot, and then generate aluminum chloride with aluminium ingot and chlorine reaction, but adopt and need a large amount of reductive agent carbon in this way, and the market value of carbon is higher, considerably increases production cost, if a kind of a small amount of carbon of need can be provided just to make the method for aluminum chloride, so just can greatly reduce production cost, increase profit to enterprise, make enterprise have more advantage in market competition.
Summary of the invention
The object of the invention is the defect overcoming prior art existence, provide a kind of aluminum oxide to make the method for aluminum chloride as raw material, it need use a small amount of reductive agent carbon.
The technical solution adopted for the present invention to solve the technical problems is: a kind of aluminum oxide makes the method for aluminum chloride as raw material, and step is as follows: a, preparation raw material: sodium-chlor, alumina powder, carbon dust, oxalic acid; B, sodium-chlor is put into container carry out scorification; C, when sodium-chlor temperature reaches 800 DEG C, drop into after the mixing of alumina powder, carbon dust and oxalic acid in sodium-chlor, the weight ratio of described alumina powder, carbon dust and oxalic acid is 9:1:1; D, in sodium-chlor, pass into chlorine, the reaction of aluminum oxide, carbon dust, chlorine, oxalic acid generates aluminum chloride, and described aluminum chloride is by thermal evaporation; E, derivation aluminum chloride gas are to crystallizer intercrystalline.
The temperature of reaction of described aluminum oxide, carbon dust, chlorine and oxalic acid remains on 600 DEG C ~ 800 DEG C.
Beneficial effect of the present invention: the mixed powder dropping into aluminum oxide and carbon in the high-temp chlorination sodium of fusing, logical chlorine in sodium-chlor again, make aluminum oxide, carbon, chlorine three fully reacts in the environment of isolated air, greatly reduce the consumption of carbon, in the mixed powder of aluminum oxide and carbon, the weight ratio of aluminum oxide and carbon is 9:1, the consumption of visible carbon is few, greatly reduce production cost, add profit to enterprise, make enterprise have more advantage in market competition.
Embodiment
Aluminum oxide makes a method for aluminum chloride as raw material, and step is as follows: a, preparation raw material: sodium-chlor, alumina powder, carbon dust, oxalic acid; B, sodium-chlor is put into container carry out scorification; C, when sodium-chlor temperature reaches 800 DEG C, drop into after the mixing of alumina powder, carbon dust and oxalic acid in sodium-chlor, the weight ratio of described alumina powder, carbon dust and oxalic acid is 9:1:1; D, in sodium-chlor, pass into chlorine, the reaction of aluminum oxide, carbon dust, chlorine, oxalic acid generates aluminum chloride, and described aluminum chloride is by thermal evaporation; E, derivation aluminum chloride gas are to crystallizer intercrystalline.
The temperature of reaction of described aluminum oxide, carbon dust, chlorine and oxalic acid remains on 600 DEG C ~ 800 DEG C.
Should be appreciated that specific embodiment described above only for explaining the present invention, being not intended to limit the present invention.Still be among protection scope of the present invention by spirit institute's apparent change of extending out of the present invention or change.
Claims (2)
1. make a method for aluminum chloride of aluminum oxide as raw material, it is characterized in that step is as follows: a, preparation raw material: sodium-chlor, alumina powder, carbon dust, oxalic acid; B, sodium-chlor is put into container carry out scorification; C, when sodium-chlor temperature reaches 800 DEG C, drop into after the mixing of alumina powder, carbon dust and oxalic acid in sodium-chlor, the weight ratio of described alumina powder, carbon dust and oxalic acid is 9:1:1; D, in sodium-chlor, pass into chlorine, the reaction of aluminum oxide, carbon dust, chlorine, oxalic acid generates aluminum chloride, and described aluminum chloride is by thermal evaporation; E, derivation aluminum chloride gas are to crystallizer intercrystalline.
2. a kind of aluminum oxide according to claim 1 makes the method for aluminum chloride as raw material, it is characterized in that: the temperature of reaction of described aluminum oxide, carbon dust, chlorine and oxalic acid remains on 600 DEG C ~ 800 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616105.5A CN104671268A (en) | 2013-11-28 | 2013-11-28 | Method for manufacturing aluminum trichloride from aluminum oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616105.5A CN104671268A (en) | 2013-11-28 | 2013-11-28 | Method for manufacturing aluminum trichloride from aluminum oxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104671268A true CN104671268A (en) | 2015-06-03 |
Family
ID=53306932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310616105.5A Pending CN104671268A (en) | 2013-11-28 | 2013-11-28 | Method for manufacturing aluminum trichloride from aluminum oxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104671268A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109942013A (en) * | 2019-05-13 | 2019-06-28 | 湖南恒光科技股份有限公司 | A kind of technique of industrial production alchlor |
-
2013
- 2013-11-28 CN CN201310616105.5A patent/CN104671268A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109942013A (en) * | 2019-05-13 | 2019-06-28 | 湖南恒光科技股份有限公司 | A kind of technique of industrial production alchlor |
| CN109942013B (en) * | 2019-05-13 | 2021-06-29 | 湖南恒光科技股份有限公司 | Process for industrially producing aluminum trichloride |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150603 |