CN1761617A - 回收纯碳酸氢钠和硫酸铵的方法 - Google Patents
回收纯碳酸氢钠和硫酸铵的方法 Download PDFInfo
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- CN1761617A CN1761617A CNA2004800075888A CN200480007588A CN1761617A CN 1761617 A CN1761617 A CN 1761617A CN A2004800075888 A CNA2004800075888 A CN A2004800075888A CN 200480007588 A CN200480007588 A CN 200480007588A CN 1761617 A CN1761617 A CN 1761617A
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- salt
- sodium bicarbonate
- ammonium
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- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 title claims abstract description 179
- 235000017557 sodium bicarbonate Nutrition 0.000 title claims abstract description 90
- 229910000030 sodium bicarbonate Inorganic materials 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 88
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 229910052921 ammonium sulfate Inorganic materials 0.000 title claims abstract description 81
- 235000011130 ammonium sulphate Nutrition 0.000 title claims abstract description 81
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 49
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 40
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 40
- 230000008569 process Effects 0.000 claims abstract description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 7
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Substances [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims abstract description 5
- 159000000000 sodium salts Chemical class 0.000 claims abstract description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000003546 flue gas Substances 0.000 claims abstract description 3
- 239000011775 sodium fluoride Substances 0.000 claims abstract description 3
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 3
- 238000005201 scrubbing Methods 0.000 claims abstract 2
- 150000003839 salts Chemical class 0.000 claims description 96
- 239000011734 sodium Substances 0.000 claims description 76
- 229910052708 sodium Inorganic materials 0.000 claims description 56
- 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 claims description 49
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 43
- 230000008021 deposition Effects 0.000 claims description 39
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 36
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 35
- 238000004062 sedimentation Methods 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 235000011089 carbon dioxide Nutrition 0.000 claims description 25
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 23
- 239000012452 mother liquor Substances 0.000 claims description 17
- 229910021529 ammonia Inorganic materials 0.000 claims description 16
- 239000001569 carbon dioxide Substances 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 10
- 239000000376 reactant Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 claims description 8
- 239000003337 fertilizer Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 claims description 3
- 235000017550 sodium carbonate Nutrition 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 235000013024 sodium fluoride Nutrition 0.000 claims description 2
- 235000010344 sodium nitrate Nutrition 0.000 claims description 2
- 229940001516 sodium nitrate Drugs 0.000 claims description 2
- 235000010288 sodium nitrite Nutrition 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 abstract description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract description 7
- 238000010977 unit operation Methods 0.000 abstract description 7
- 238000001704 evaporation Methods 0.000 abstract description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 235000010265 sodium sulphite Nutrition 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 66
- 235000015424 sodium Nutrition 0.000 description 45
- 239000007787 solid Substances 0.000 description 28
- -1 nitrate compound Chemical class 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 21
- 230000009466 transformation Effects 0.000 description 18
- 239000000047 product Substances 0.000 description 16
- 239000000126 substance Substances 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 125000002091 cationic group Chemical group 0.000 description 9
- 238000002425 crystallisation Methods 0.000 description 9
- 230000008025 crystallization Effects 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 6
- 230000004087 circulation Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000012266 salt solution Substances 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 238000004088 simulation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 3
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
- 240000005373 Panax quinquefolius Species 0.000 description 3
- 239000001099 ammonium carbonate Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229910001415 sodium ion Inorganic materials 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 101100004280 Caenorhabditis elegans best-2 gene Proteins 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- KZNVCIMXFKZCHP-UHFFFAOYSA-L disodium;chloride;fluoride Chemical compound [F-].[Na+].[Na+].[Cl-] KZNVCIMXFKZCHP-UHFFFAOYSA-L 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000032696 parturition Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007071 enzymatic hydrolysis Effects 0.000 description 1
- 238000006047 enzymatic hydrolysis reaction Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010446 mirabilite Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 229910002059 quaternary alloy Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- NIAGBSSWEZDNMT-UHFFFAOYSA-M tetraoxidosulfate(.1-) Chemical compound [O]S([O-])(=O)=O NIAGBSSWEZDNMT-UHFFFAOYSA-M 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
-
- 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
-
- 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
- C01D7/18—Preparation by the ammonia-soda process
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fertilizers (AREA)
- Removal Of Specific Substances (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
表1-Hysis对Janecke图的最佳铵/钠比的测定 | |||
实施例1(A/S比=1.0) | |||
Janecke | Hysis | 差值% | |
生产的固体(克)钠转化率(%)碳酸氢盐转化率(%) | 53.763.963.9 | 53.163.263.2 | 1.11.11.1 |
实施例2(A/S比=0.912) | |||
Janecke | Hysis | 差值% | |
生产的固体(克)钠转化率(%)碳酸氢盐转化率(%) | 55.666.272.6 | 53.864.070.3 | 3.23.23.2 |
实施例3(A/S比=2.33) | |||
Janecke | Hysis | 差值% | |
生产的固体(克)钠转化率(%)碳酸氢盐转化率(%) | 30.336.115.5 | 27.032.113.8 | 11.111.111.1 |
表2:Hysis结果与专有试验结果比较 | |||
专有试验 | Hysis | %错误 | |
27.5%(重量)SS进料(克/小时)ABC进料(克/小时)Glauber′s盐进料(克/小时)晶化温度℃ | 95053029040 | 95053029040 | n/an/an/an/a |
Centrate PhCentrate产品(注1)(克/小时) | 8.651430 | 7.851445 | 10.2-1.0 |
SBC产品(克/小时) | 270 | 275 | -1.8 |
组分流水-H2O二氧化碳-CO2氨-NH3钠离子-Na铵离子NH4碳酸根离子CO3碳酸氢根离子HCO3硫酸根离子SO4硝酸根离子NO3氟化物离子-F氯化物离子-Cl氢离子-H氢氧根离子-OH合计 | 公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤 | 717.00.00.065.50.04.33.8119.05.60.22.50.00.0917.7 |
组分%(重量)水-H2O二氧化碳-CO2氨-NH3钠离子-Na铵离子NH4碳酸根离子CO3碳酸氢根离子HCO3硫酸根离子SO4硝酸根离子NO3氟化物离子-F氯化物离子-Cl氢离子-H氢氧根离子-OH合计 | 78.10.00.07.10.00.50.413.00.60.00.30.00.0100.0 |
组分流水-H2O二氧化碳-CO2氨-NH3钠离子-Na铵离子NH4碳酸根离子CO3碳酸氢根离子HCO3硫酸根离子SO4硝酸根离子NO3氟化物离子-F氯化物离子-Cl氢离子-H氢氧根离子-OH合计 | 公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤 | 695.80.31.138.394.620.7117.5198.05.80.22.60.00.01174.7 |
组分%(重量)水-H2O二氧化碳-CO2氨--NH3钠离子-Na铵离子NH4碳酸根离子CO3碳酸氢根离子HCO3硫酸根离子SO4硝酸根离子NO3氟化物离子-F氯化物离子-Cl氢离子-H氢氧根离子-OH合计 | 59.20.00.13.38.11.810.016.90.50.00.20.00.0100.0 |
组分流水-H2O二氧化碳-CO2氨-NH3钠离子-Na铵离子NH4碳酸根离子CO3碳酸氢根离子HCO3硫酸根离子SO4硝酸根离子NO3氟化物离子-F氯化物离子-Cl氢离子-H氢氧根离子-OH合计 | 公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤公斤 | 1127.80.02.337.0190.70.00.0450.1108.82.532.90.00.01952.0 |
组分%(重量)水-H2O二氧化碳-CO2氨-NH3钠离子-Na铵离子NH4碳酸根离子CO3碳酸氢根离子HCO3硫酸根离子SO4硝酸根离子NO3氟化物离子-F氯化物离子-Cl氢离子-H氢氧根离子-OH合计 | 57.80.00.11.99.80.00.023.15.60.11.70.00.0100.0 |
Claims (26)
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US10/361,687 | 2003-02-11 | ||
US10/361,687 US7393378B2 (en) | 2003-02-11 | 2003-02-11 | Method for recovering purified sodium bicarbonate and ammonium sulfate |
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US (1) | US7393378B2 (zh) |
EP (1) | EP1603834B1 (zh) |
CN (1) | CN100366537C (zh) |
AT (1) | ATE346019T1 (zh) |
CA (1) | CA2515712C (zh) |
DE (1) | DE602004003352T2 (zh) |
WO (1) | WO2004071957A1 (zh) |
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2003
- 2003-02-11 US US10/361,687 patent/US7393378B2/en not_active Expired - Fee Related
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2004
- 2004-02-11 CA CA2515712A patent/CA2515712C/en not_active Expired - Fee Related
- 2004-02-11 DE DE602004003352T patent/DE602004003352T2/de not_active Expired - Lifetime
- 2004-02-11 CN CNB2004800075888A patent/CN100366537C/zh not_active Expired - Fee Related
- 2004-02-11 EP EP04709968A patent/EP1603834B1/en not_active Expired - Lifetime
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CN106865571A (zh) * | 2017-03-20 | 2017-06-20 | 科莱环境工程(北京)有限公司 | 一种化工浓盐水制取小苏打和硫酸铵的方法 |
CN108046295A (zh) * | 2018-01-10 | 2018-05-18 | 四川大学 | 用硫酸钠溶液生产碳酸氢钠和硫酸铵的方法 |
CN111039304A (zh) * | 2018-10-12 | 2020-04-21 | 中国科学院过程工程研究所 | 一种硫酸钠制备硫酸铵与碳酸氢钠的方法 |
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CN113912084A (zh) * | 2021-12-09 | 2022-01-11 | 中国科学院过程工程研究所 | 一种利用硫酸钠与氯化钠混盐制备碳酸钠、硫酸铵与氯化铵的方法 |
CN113912084B (zh) * | 2021-12-09 | 2022-03-04 | 中国科学院过程工程研究所 | 一种利用硫酸钠与氯化钠混盐制备碳酸钠、硫酸铵与氯化铵的方法 |
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CN100366537C (zh) | 2008-02-06 |
EP1603834A1 (en) | 2005-12-14 |
DE602004003352T2 (de) | 2007-06-21 |
EP1603834B1 (en) | 2006-11-22 |
CA2515712C (en) | 2011-12-13 |
US20040156775A1 (en) | 2004-08-12 |
US7393378B2 (en) | 2008-07-01 |
WO2004071957A1 (en) | 2004-08-26 |
ATE346019T1 (de) | 2006-12-15 |
CA2515712A1 (en) | 2004-08-26 |
DE602004003352D1 (de) | 2007-01-04 |
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