DE2739678C3 - Verfahren zur Herstellung von wasserfreiem Natriumcarbonat - Google Patents
Verfahren zur Herstellung von wasserfreiem NatriumcarbonatInfo
- Publication number
- DE2739678C3 DE2739678C3 DE19772739678 DE2739678A DE2739678C3 DE 2739678 C3 DE2739678 C3 DE 2739678C3 DE 19772739678 DE19772739678 DE 19772739678 DE 2739678 A DE2739678 A DE 2739678A DE 2739678 C3 DE2739678 C3 DE 2739678C3
- Authority
- DE
- Germany
- Prior art keywords
- sodium
- sodium carbonate
- tower
- decomposition
- slurry
- 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.)
- Expired
Links
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title claims description 102
- 238000000034 method Methods 0.000 title claims description 37
- 230000008569 process Effects 0.000 title claims description 25
- 238000004519 manufacturing process Methods 0.000 title description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 82
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 41
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 41
- 238000000354 decomposition reaction Methods 0.000 claims description 39
- 239000000725 suspension Substances 0.000 claims description 27
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 25
- 150000004682 monohydrates Chemical class 0.000 claims description 20
- 239000013049 sediment Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- DFKJXJSJXQZWHO-UHFFFAOYSA-N O.[C].[Na] Chemical compound O.[C].[Na] DFKJXJSJXQZWHO-UHFFFAOYSA-N 0.000 claims 1
- 239000002002 slurry Substances 0.000 description 44
- 239000000243 solution Substances 0.000 description 32
- 229940001593 sodium carbonate Drugs 0.000 description 23
- 238000002425 crystallisation Methods 0.000 description 16
- 230000008025 crystallization Effects 0.000 description 16
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 15
- 239000012452 mother liquor Substances 0.000 description 15
- 239000002245 particle Substances 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 14
- 239000013078 crystal Substances 0.000 description 13
- 239000011734 sodium Substances 0.000 description 13
- 238000001354 calcination Methods 0.000 description 10
- MQRJBSHKWOFOGF-UHFFFAOYSA-L disodium;carbonate;hydrate Chemical compound O.[Na+].[Na+].[O-]C([O-])=O MQRJBSHKWOFOGF-UHFFFAOYSA-L 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 229940076133 sodium carbonate monohydrate Drugs 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- 235000002639 sodium chloride Nutrition 0.000 description 8
- 239000011780 sodium chloride Substances 0.000 description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000009621 Solvay process Methods 0.000 description 5
- 150000008064 anhydrides Chemical class 0.000 description 5
- 235000018341 sodium sesquicarbonate Nutrition 0.000 description 5
- 229910000031 sodium sesquicarbonate Inorganic materials 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- WCTAGTRAWPDFQO-UHFFFAOYSA-K trisodium;hydrogen carbonate;carbonate Chemical compound [Na+].[Na+].[Na+].OC([O-])=O.[O-]C([O-])=O WCTAGTRAWPDFQO-UHFFFAOYSA-K 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 241001625808 Trona Species 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000065675 Cyclops Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000009993 causticizing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- XONPDZSGENTBNJ-UHFFFAOYSA-N molecular hydrogen;sodium Chemical compound [Na].[H][H] XONPDZSGENTBNJ-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000012134 supernatant fraction Substances 0.000 description 1
- 239000010414 supernatant solution Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/12—Preparation of carbonates from bicarbonates or bicarbonate-containing product
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/35—Varying the content of water of crystallisation or the specific gravity
- C01D7/37—Densifying sodium carbonate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10492976A JPS5330999A (en) | 1976-09-03 | 1976-09-03 | Production of anhydrous sodium carbonate |
| JP10493076A JPS5331000A (en) | 1976-09-03 | 1976-09-03 | Production of heavy sodium carbonate |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2739678A1 DE2739678A1 (de) | 1978-03-09 |
| DE2739678B2 DE2739678B2 (de) | 1981-07-30 |
| DE2739678C3 true DE2739678C3 (de) | 1982-05-13 |
Family
ID=26445294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772739678 Expired DE2739678C3 (de) | 1976-09-03 | 1977-09-02 | Verfahren zur Herstellung von wasserfreiem Natriumcarbonat |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2739678C3 (enExample) |
| FR (1) | FR2363517A1 (enExample) |
| GB (1) | GB1563546A (enExample) |
| IT (1) | IT1086510B (enExample) |
| NL (1) | NL173262B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6065717A (ja) * | 1983-09-20 | 1985-04-15 | Asahi Glass Co Ltd | 無水炭酸ソ−ダの製造方法 |
| US4743439A (en) * | 1984-01-16 | 1988-05-10 | General Chemical Corporation | Wet calcination of alkali metal bicarbonates in hydrophobic media |
| CN111392753B (zh) * | 2020-03-31 | 2022-03-15 | 中国铝业股份有限公司 | 一种从深度碳分母液中析出碳酸氢钠的方法 |
| CN113620319B (zh) * | 2021-07-28 | 2023-11-21 | 杨仁春 | 一种碳酸氢钠固体湿法热解制备碳酸钠晶体的工艺 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1221616B (de) * | 1961-04-17 | 1966-07-28 | Wyandotte Chemicals Corp | Verfahren zur Herstellung von dichtem wasserfreiem Natriumcarbonat |
-
1977
- 1977-09-01 GB GB3665077A patent/GB1563546A/en not_active Expired
- 1977-09-02 FR FR7726711A patent/FR2363517A1/fr active Granted
- 1977-09-02 DE DE19772739678 patent/DE2739678C3/de not_active Expired
- 1977-09-02 IT IT2721077A patent/IT1086510B/it active
- 1977-09-02 NL NL7709685A patent/NL173262B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2363517B1 (enExample) | 1982-04-16 |
| FR2363517A1 (fr) | 1978-03-31 |
| GB1563546A (en) | 1980-03-26 |
| NL173262B (nl) | 1983-08-01 |
| DE2739678B2 (de) | 1981-07-30 |
| IT1086510B (it) | 1985-05-28 |
| NL7709685A (nl) | 1978-03-07 |
| DE2739678A1 (de) | 1978-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |