RU2099286C1 - Способ получения карбоната щелочного металла, способ получения карбоната натрия, способ очистки рассола - Google Patents
Способ получения карбоната щелочного металла, способ получения карбоната натрия, способ очистки рассола Download PDFInfo
- Publication number
- RU2099286C1 RU2099286C1 RU9494030732A RU94030732A RU2099286C1 RU 2099286 C1 RU2099286 C1 RU 2099286C1 RU 9494030732 A RU9494030732 A RU 9494030732A RU 94030732 A RU94030732 A RU 94030732A RU 2099286 C1 RU2099286 C1 RU 2099286C1
- Authority
- RU
- Russia
- Prior art keywords
- resin
- suspension
- solution
- bicarbonate
- alkali metal
- Prior art date
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 61
- 229910000029 sodium carbonate Inorganic materials 0.000 title claims abstract description 38
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 title claims abstract description 31
- 239000012267 brine Substances 0.000 title claims abstract description 30
- 229910000288 alkali metal carbonate Inorganic materials 0.000 title claims abstract description 12
- 150000008041 alkali metal carbonates Chemical class 0.000 title claims abstract description 12
- 239000000243 solution Substances 0.000 claims abstract description 65
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 36
- 239000000725 suspension Substances 0.000 claims abstract description 33
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims abstract description 24
- 239000003456 ion exchange resin Substances 0.000 claims abstract description 23
- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 23
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 20
- -1 alkali metal bicarbonate Chemical class 0.000 claims abstract description 12
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 11
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 239000007900 aqueous suspension Substances 0.000 claims abstract description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract 2
- 239000004571 lime Substances 0.000 claims abstract 2
- 239000008267 milk Substances 0.000 claims abstract 2
- 210000004080 milk Anatomy 0.000 claims abstract 2
- 235000013336 milk Nutrition 0.000 claims abstract 2
- 239000011347 resin Substances 0.000 claims description 105
- 229920005989 resin Polymers 0.000 claims description 105
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical group [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 32
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 25
- 239000000920 calcium hydroxide Substances 0.000 claims description 25
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 25
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 16
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 16
- 230000008929 regeneration Effects 0.000 claims description 15
- 238000011069 regeneration method Methods 0.000 claims description 15
- 239000011780 sodium chloride Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 11
- 239000004925 Acrylic resin Substances 0.000 claims description 10
- 229920000178 Acrylic resin Polymers 0.000 claims description 10
- 239000001569 carbon dioxide Substances 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000003957 anion exchange resin Substances 0.000 claims description 5
- 239000000292 calcium oxide Substances 0.000 claims description 5
- 125000001302 tertiary amino group Chemical group 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000012736 aqueous medium Substances 0.000 claims 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims 2
- 150000001805 chlorine compounds Chemical group 0.000 claims 2
- 238000000605 extraction Methods 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 claims 1
- 239000011734 sodium Substances 0.000 abstract description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 229910021529 ammonia Inorganic materials 0.000 abstract description 5
- 150000001340 alkali metals Chemical class 0.000 abstract description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 229910052708 sodium Inorganic materials 0.000 abstract description 2
- 238000007796 conventional method Methods 0.000 abstract 1
- 150000002484 inorganic compounds Chemical class 0.000 abstract 1
- 229910010272 inorganic material Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 40
- 235000017550 sodium carbonate Nutrition 0.000 description 32
- 239000003513 alkali Substances 0.000 description 22
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 15
- 235000011121 sodium hydroxide Nutrition 0.000 description 13
- 239000007788 liquid Substances 0.000 description 11
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 9
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000009621 Solvay process Methods 0.000 description 7
- 150000001412 amines Chemical class 0.000 description 7
- 238000000926 separation method Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 238000001354 calcination Methods 0.000 description 4
- 239000001110 calcium chloride Substances 0.000 description 4
- 229910001628 calcium chloride Inorganic materials 0.000 description 4
- 239000012458 free base Substances 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 3
- 229920001429 chelating resin Polymers 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- TYDSIOSLHQWFOU-UHFFFAOYSA-N 2-cyclohexylidenecyclohexan-1-one Chemical compound O=C1CCCCC1=C1CCCCC1 TYDSIOSLHQWFOU-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical group OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910000031 sodium sesquicarbonate Inorganic materials 0.000 description 2
- 235000018341 sodium sesquicarbonate Nutrition 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 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 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 125000006367 bivalent amino carbonyl group Chemical group [H]N([*:1])C([*:2])=O 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005115 demineralization Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 150000003840 hydrochlorides Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Images
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
- C01D7/02—Preparation by double decomposition
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB919125044A GB9125044D0 (en) | 1991-11-26 | 1991-11-26 | Production of alkali metal carbonates |
| GB9125044.9 | 1991-11-26 | ||
| PCT/GB1992/002184 WO1993011071A1 (en) | 1991-11-26 | 1992-11-25 | Production of alkali metal carbonates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU94030732A RU94030732A (ru) | 1996-05-27 |
| RU2099286C1 true RU2099286C1 (ru) | 1997-12-20 |
Family
ID=10705210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU9494030732A RU2099286C1 (ru) | 1991-11-26 | 1992-11-25 | Способ получения карбоната щелочного металла, способ получения карбоната натрия, способ очистки рассола |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US5562890A (ref) |
| EP (1) | EP0614446B1 (ref) |
| JP (1) | JP3373512B2 (ref) |
| CN (1) | CN1043214C (ref) |
| AU (1) | AU657376B2 (ref) |
| BG (1) | BG61108B1 (ref) |
| BR (1) | BR9206814A (ref) |
| CA (1) | CA2117294A1 (ref) |
| DE (1) | DE69221633T2 (ref) |
| ES (1) | ES2113441T3 (ref) |
| GB (1) | GB9125044D0 (ref) |
| IN (1) | IN181137B (ref) |
| MX (1) | MX9206834A (ref) |
| PL (1) | PL171692B1 (ref) |
| RO (1) | RO110457B1 (ref) |
| RU (1) | RU2099286C1 (ref) |
| TR (1) | TR27087A (ref) |
| UA (1) | UA41293C2 (ref) |
| WO (1) | WO1993011071A1 (ref) |
| ZA (1) | ZA929189B (ref) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2348452C2 (ru) * | 2001-10-19 | 2009-03-10 | Солвей (Сосьете Аноним) | Влагопоглощающий материал, способ его получения и его применение |
| RU2362737C2 (ru) * | 2003-05-21 | 2009-07-27 | Солвей (Сосьете Аноним) | Способ производства карбоната натрия |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6475458B1 (en) * | 1999-10-25 | 2002-11-05 | Airborne Industrial Minerals Inc. | Method for formulating food grade sodium bicarbonate |
| JP4767493B2 (ja) * | 2001-10-10 | 2011-09-07 | ライフスキャン・インコーポレイテッド | 電気化学セル |
| CN100460319C (zh) * | 2001-10-26 | 2009-02-11 | 骆天荣 | 氨络合液塔式蒸氨结晶制备碱式碳酸盐纳米粒子的方法与设备 |
| DE10240681A1 (de) | 2002-09-04 | 2004-03-25 | Lafarge Roofing Components Gmbh & Co. Kg | First- oder Gratband |
| EP1899043A4 (en) * | 2005-07-05 | 2011-03-23 | Greensols Australia Pty Ltd | PREPARATION AND USE OF CATIONIC HALOGENIDES, SEQUESTRATION OF CARBON DIOXIDE |
| JP6163326B2 (ja) * | 2013-03-11 | 2017-07-12 | オルガノ株式会社 | 溶解塩類の回収方法、溶解塩類の回収装置及び塩化カルシウムの製造方法 |
| WO2014104248A1 (ja) * | 2012-12-28 | 2014-07-03 | 千代田化工建設株式会社 | 溶解塩類の回収方法、溶解塩類の回収装置及び塩化カルシウムの製造方法 |
| JP6159527B2 (ja) * | 2012-12-28 | 2017-07-05 | オルガノ株式会社 | 炭酸水素ナトリウムの製造方法及び炭酸水素ナトリウムの製造装置 |
| WO2017137343A1 (en) | 2016-02-11 | 2017-08-17 | Covestro Deutschland Ag | Sustainable synthesis of carbamate compounds |
| KR102697676B1 (ko) * | 2022-07-12 | 2024-08-22 | 탑에코에너지주식회사 | 난각을 이용한 아세트산칼슘 제조방법 |
| CN115353249B (zh) * | 2022-10-20 | 2023-02-03 | 山东金泽水业科技有限公司 | 二氧化碳固化回收高纯度碳酸氢钠的废水处理工艺 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2989370A (en) * | 1957-08-21 | 1961-06-20 | American Potash & Chem Corp | Production of potassium carbonate by anion exchange |
-
1991
- 1991-11-26 GB GB919125044A patent/GB9125044D0/en active Pending
-
1992
- 1992-11-25 JP JP51151592A patent/JP3373512B2/ja not_active Expired - Fee Related
- 1992-11-25 WO PCT/GB1992/002184 patent/WO1993011071A1/en not_active Ceased
- 1992-11-25 UA UA94005448A patent/UA41293C2/uk unknown
- 1992-11-25 CA CA002117294A patent/CA2117294A1/en not_active Abandoned
- 1992-11-25 AU AU29517/92A patent/AU657376B2/en not_active Ceased
- 1992-11-25 DE DE69221633T patent/DE69221633T2/de not_active Expired - Fee Related
- 1992-11-25 RO RO94-00871A patent/RO110457B1/ro unknown
- 1992-11-25 RU RU9494030732A patent/RU2099286C1/ru active
- 1992-11-25 IN IN706MA1992 patent/IN181137B/en unknown
- 1992-11-25 ES ES92923918T patent/ES2113441T3/es not_active Expired - Lifetime
- 1992-11-25 PL PL92303918A patent/PL171692B1/pl unknown
- 1992-11-25 EP EP92923918A patent/EP0614446B1/en not_active Expired - Lifetime
- 1992-11-25 US US08/244,360 patent/US5562890A/en not_active Expired - Fee Related
- 1992-11-25 BR BR9206814A patent/BR9206814A/pt not_active IP Right Cessation
- 1992-11-26 TR TR01151/92A patent/TR27087A/xx unknown
- 1992-11-26 ZA ZA929189A patent/ZA929189B/xx unknown
- 1992-11-26 MX MX9206834A patent/MX9206834A/es not_active IP Right Cessation
- 1992-11-26 CN CN92114820A patent/CN1043214C/zh not_active Expired - Lifetime
-
1994
- 1994-05-26 BG BG98794A patent/BG61108B1/bg unknown
Non-Patent Citations (1)
| Title |
|---|
| 1. DE, заявка, 2646918, кл. C 01 D 7/12, 1978. 2. Шокин И.Н., Крашенинников С.А. Производство кальцинированной соды и очищенного бикарбоната натрия.- М.: Высшая школа, 1972, с. 99 - 100. * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2348452C2 (ru) * | 2001-10-19 | 2009-03-10 | Солвей (Сосьете Аноним) | Влагопоглощающий материал, способ его получения и его применение |
| RU2362737C2 (ru) * | 2003-05-21 | 2009-07-27 | Солвей (Сосьете Аноним) | Способ производства карбоната натрия |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2117294A1 (en) | 1993-06-10 |
| AU2951792A (en) | 1993-06-28 |
| RU94030732A (ru) | 1996-05-27 |
| US5562890A (en) | 1996-10-08 |
| CN1043214C (zh) | 1999-05-05 |
| ES2113441T3 (es) | 1998-05-01 |
| EP0614446A1 (en) | 1994-09-14 |
| AU657376B2 (en) | 1995-03-09 |
| JPH07507032A (ja) | 1995-08-03 |
| EP0614446B1 (en) | 1997-08-13 |
| CN1073662A (zh) | 1993-06-30 |
| IN181137B (ref) | 1998-04-25 |
| JP3373512B2 (ja) | 2003-02-04 |
| RO110457B1 (ro) | 1996-01-30 |
| BG61108B1 (bg) | 1996-11-29 |
| UA41293C2 (uk) | 2001-09-17 |
| MX9206834A (es) | 1994-05-31 |
| BG98794A (bg) | 1995-05-31 |
| GB9125044D0 (en) | 1992-01-22 |
| ZA929189B (en) | 1993-05-24 |
| TR27087A (tr) | 1994-10-18 |
| DE69221633T2 (de) | 1998-02-26 |
| BR9206814A (pt) | 1995-10-31 |
| WO1993011071A1 (en) | 1993-06-10 |
| DE69221633D1 (de) | 1997-09-18 |
| PL171692B1 (pl) | 1997-06-30 |
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