CA2552104C - Procede de recuperation de sulfate de potasse - Google Patents
Procede de recuperation de sulfate de potasse Download PDFInfo
- Publication number
- CA2552104C CA2552104C CA002552104A CA2552104A CA2552104C CA 2552104 C CA2552104 C CA 2552104C CA 002552104 A CA002552104 A CA 002552104A CA 2552104 A CA2552104 A CA 2552104A CA 2552104 C CA2552104 C CA 2552104C
- Authority
- CA
- Canada
- Prior art keywords
- bittern
- potash
- sulphate
- carnallite
- schoenite
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 125
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title claims abstract description 39
- 229910021653 sulphate ion Inorganic materials 0.000 title claims abstract description 38
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 title claims abstract description 27
- 229940072033 potash Drugs 0.000 title claims abstract description 27
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 title claims abstract description 27
- 235000015320 potassium carbonate Nutrition 0.000 title claims abstract description 27
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 241001131796 Botaurus stellaris Species 0.000 claims abstract description 87
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 86
- 150000003839 salts Chemical class 0.000 claims abstract description 64
- 229910001868 water Inorganic materials 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- GMLLYEDWRJDBIT-UHFFFAOYSA-J magnesium;dipotassium;disulfate Chemical compound [Mg+2].[K+].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GMLLYEDWRJDBIT-UHFFFAOYSA-J 0.000 claims abstract description 53
- PALNZFJYSCMLBK-UHFFFAOYSA-K magnesium;potassium;trichloride;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-].[Cl-].[K+] PALNZFJYSCMLBK-UHFFFAOYSA-K 0.000 claims abstract description 47
- 239000011780 sodium chloride Substances 0.000 claims abstract description 43
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 38
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 38
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 38
- 235000012254 magnesium hydroxide Nutrition 0.000 claims abstract description 38
- BMQVDVJKPMGHDO-UHFFFAOYSA-K magnesium;potassium;chloride;sulfate;trihydrate Chemical compound O.O.O.[Mg+2].[Cl-].[K+].[O-]S([O-])(=O)=O BMQVDVJKPMGHDO-UHFFFAOYSA-K 0.000 claims abstract description 30
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 12
- 239000010440 gypsum Substances 0.000 claims abstract description 12
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 11
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 11
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 11
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 11
- 238000001640 fractional crystallisation Methods 0.000 claims abstract description 8
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 134
- 239000001103 potassium chloride Substances 0.000 claims description 85
- 235000011164 potassium chloride Nutrition 0.000 claims description 85
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 71
- 238000004519 manufacturing process Methods 0.000 claims description 42
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 40
- 239000000706 filtrate Substances 0.000 claims description 37
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 34
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 34
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 31
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 22
- 239000002002 slurry Substances 0.000 claims description 22
- 238000001704 evaporation Methods 0.000 claims description 20
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 20
- 239000012452 mother liquor Substances 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 18
- 230000008020 evaporation Effects 0.000 claims description 17
- 235000011151 potassium sulphates Nutrition 0.000 claims description 16
- 239000000395 magnesium oxide Substances 0.000 claims description 15
- 239000001120 potassium sulphate Substances 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 13
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000004064 recycling Methods 0.000 claims description 11
- 238000002386 leaching Methods 0.000 claims description 10
- 239000001110 calcium chloride Substances 0.000 claims description 9
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 9
- 235000011148 calcium chloride Nutrition 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 2
- 239000012065 filter cake Substances 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 9
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 9
- 239000004571 lime Substances 0.000 abstract description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052796 boron Inorganic materials 0.000 abstract description 5
- 239000006227 byproduct Substances 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 27
- 239000000203 mixture Substances 0.000 description 26
- 239000000243 solution Substances 0.000 description 25
- 239000000126 substance Substances 0.000 description 23
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 12
- 239000011777 magnesium Substances 0.000 description 12
- 108091006629 SLC13A2 Proteins 0.000 description 9
- 229910052925 anhydrite Inorganic materials 0.000 description 9
- 239000012267 brine Substances 0.000 description 8
- 208000001020 chondrodysplasia punctata Diseases 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 8
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 239000003337 fertilizer Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 4
- 229910052794 bromium Inorganic materials 0.000 description 4
- VVJRSSJSRXEOQL-UHFFFAOYSA-N calcium;potassium;sulfuric acid;hydrate Chemical compound O.[K].[K].[Ca].OS(O)(=O)=O.OS(O)(=O)=O VVJRSSJSRXEOQL-UHFFFAOYSA-N 0.000 description 4
- 229910052928 kieserite Inorganic materials 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- 239000001117 sulphuric acid Substances 0.000 description 4
- 235000011149 sulphuric acid Nutrition 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 239000008247 solid mixture Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- PYUBPZNJWXUSID-UHFFFAOYSA-N pentadecapotassium;pentaborate Chemical compound [K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+].[K+].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-] PYUBPZNJWXUSID-UHFFFAOYSA-N 0.000 description 2
- KMIOJWCYOHBUJS-HAKPAVFJSA-N vorolanib Chemical compound C1N(C(=O)N(C)C)CC[C@@H]1NC(=O)C1=C(C)NC(\C=C/2C3=CC(F)=CC=C3NC\2=O)=C1C KMIOJWCYOHBUJS-HAKPAVFJSA-N 0.000 description 2
- HFGHRUCCKVYFKL-UHFFFAOYSA-N 4-ethoxy-2-piperazin-1-yl-7-pyridin-4-yl-5h-pyrimido[5,4-b]indole Chemical compound C1=C2NC=3C(OCC)=NC(N4CCNCC4)=NC=3C2=CC=C1C1=CC=NC=C1 HFGHRUCCKVYFKL-UHFFFAOYSA-N 0.000 description 1
- 241000272875 Ardeidae Species 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 101100186820 Drosophila melanogaster sicily gene Proteins 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910019440 Mg(OH) Inorganic materials 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229940069428 antacid Drugs 0.000 description 1
- 239000003159 antacid agent Substances 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 229940006460 bromide ion Drugs 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- AYOOGWWGECJQPI-NSHDSACASA-N n-[(1s)-1-(5-fluoropyrimidin-2-yl)ethyl]-3-(3-propan-2-yloxy-1h-pyrazol-5-yl)imidazo[4,5-b]pyridin-5-amine Chemical compound N1C(OC(C)C)=CC(N2C3=NC(N[C@@H](C)C=4N=CC(F)=CN=4)=CC=C3N=C2)=N1 AYOOGWWGECJQPI-NSHDSACASA-N 0.000 description 1
- VPOLVWCUBVJURT-UHFFFAOYSA-N pentadecasodium;pentaborate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-] VPOLVWCUBVJURT-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000005303 weighing Methods 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
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
- C05D1/02—Manufacture from potassium chloride or sulfate or double or mixed salts thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Fertilizers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
La présente invention a trait à un procédé de récupération de sulfate de potasse à partir d'eau mère riche en sulfate. Le procédé nécessite seulement de l'eau mère et de la chaux comme matières premières. Du sel de type kaïnite en mélange est obtenu par la cristallisation fractionnaire de l'eau mère. La kaïnite est convertie en picromérite avec l'élimination simultanée de NaCl par son traitement avec de l'eau et de liqueur terminale obtenue par la réaction de picromérite avec du chlorure de potasse pour sa conversion en sulfate de potasse. La liqueur terminale dérivée de la conversion de la kaïnite en picromérite est utilisée pour la récupération de chlorure de potasse. La kaïnite convertie en picromérite est désulfurée et additionnée de MgCl¿2? à l'aide d'eau mère terminale générée dans le procédé de production de carnallite. La liqueur décomposée de carnallite produite lors de la décomposition de carnallite est soumise à une réaction avec de la chaux hydratée pour la préparation de solution de CaCl¿2? et de Mg(OH) de pureté élevée avec une faible teneur en bore. La solution de CaCl¿2? est utilisée pour la désulfatation de la kaïnite convertie en picromérite produisant un gypse de haute pureté comme sous-produit. Il a été démontré que les flux liquides contenant de la potasse sont recyclés dans le procédé, la récupération de potasse sous forme de sulfate de potasse est quantitative.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IN2003/000463 WO2005063626A1 (fr) | 2003-12-31 | 2003-12-31 | Procede de recuperation de sulfate de potasse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2552104A1 CA2552104A1 (fr) | 2005-07-14 |
| CA2552104C true CA2552104C (fr) | 2009-11-24 |
Family
ID=34717580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002552104A Expired - Lifetime CA2552104C (fr) | 2003-12-31 | 2003-12-31 | Procede de recuperation de sulfate de potasse |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JP4516023B2 (fr) |
| CN (1) | CN100439248C (fr) |
| AU (1) | AU2003300719B2 (fr) |
| BR (1) | BRPI0318666B1 (fr) |
| CA (1) | CA2552104C (fr) |
| GB (1) | GB2427190B8 (fr) |
| IL (1) | IL176482A (fr) |
| WO (1) | WO2005063626A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503619A (zh) * | 2011-09-02 | 2012-06-20 | 天津科技大学 | 由制盐母液制取复合肥的方法 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8182784B2 (en) | 2005-11-10 | 2012-05-22 | Council Of Scientific & Industrial Research | Process for the time recovery of sulphate of potash (SOP) from sulphate rich bittern |
| CN100535389C (zh) * | 2006-12-14 | 2009-09-02 | 国投新疆罗布泊钾盐有限责任公司 | 一种钾盐镁矾盐矿的采收方法 |
| CN103397201B (zh) * | 2013-07-26 | 2014-12-17 | 中国科学院青海盐湖研究所 | 从杂卤石矿中静态溶浸提取钾以及制备硫酸钾的方法 |
| WO2016059651A1 (fr) * | 2014-10-16 | 2016-04-21 | Council Of Scientific And Industrial Research | Procédé de production peu coûteux d'un engrais composé de sulfate d'ammonium et de potassium directement à partir d'eaux-mères des salines concentrées |
| CN104628017A (zh) * | 2015-02-13 | 2015-05-20 | 中国科学院青海盐湖研究所 | 一种用硫酸盐型卤水制备钾盐镁矾矿的方法 |
| CN108349743A (zh) * | 2015-05-08 | 2018-07-31 | 雅拉达洛尔有限公司 | 在高环境温度下由含钾矿石生产硫酸钾的方法 |
| CN109415218A (zh) | 2016-06-24 | 2019-03-01 | 雅拉达洛尔有限公司 | 在高环境温度下从含钾矿石制备硫酸钾中减少岩盐的方法 |
| CN107285283B (zh) * | 2017-06-01 | 2019-10-15 | 中国中轻国际工程有限公司 | 一种硫化碱黑液、液体烧碱联产小苏打、铬酸钠、硫化碱工艺 |
| CA3076265C (fr) | 2017-10-13 | 2021-05-25 | Novopro Projects Inc. | Systemes et procedes de production de sulfate de potassium |
| CN107673372B (zh) * | 2017-11-15 | 2023-09-08 | 河北工业大学 | 一种基于耦合技术的大型富钾的方法及其装置 |
| CN114560480A (zh) * | 2022-03-01 | 2022-05-31 | 天津长芦海晶集团有限公司 | 钙法除硫后苦卤的多元素提取方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3634041A (en) * | 1969-02-14 | 1972-01-11 | Great Salt Lake Minerals | Method for the production of potassium sulfate from potassium-containing double salts of magnesium sulfate |
| IL50873A (en) * | 1976-11-09 | 1979-11-30 | Sadan A | Process for the production of potassium chloride and magnesium chloride from carnallite |
| CN1035811C (zh) * | 1992-09-12 | 1997-09-10 | 国家海洋局天津海水淡化与综合利用研究所 | 苦卤和氯化钾制备硫酸钾的方法 |
| CN1027883C (zh) * | 1993-05-14 | 1995-03-15 | 中国石油天然气总公司工程技术研究所 | 一种用苦卤和氯化钾制取硫酸钾的方法 |
| CN1130152A (zh) * | 1995-04-26 | 1996-09-04 | 国家海洋局天津海水淡化与综合利用研究所 | 用苦卤与氯化钾制取硫酸钾的方法 |
| CN1057978C (zh) * | 1997-04-10 | 2000-11-01 | 中国石油天然气总公司工程技术研究院 | 一种苦卤综合利用的方法 |
| CN1128760C (zh) * | 2000-08-29 | 2003-11-26 | 化学工业部连云港设计研究院 | 一种硫酸盐型含钾卤水制取硫酸钾的方法 |
| CN1171794C (zh) * | 2001-05-24 | 2004-10-20 | 化学工业部连云港设计研究院 | 一种硫酸盐型含钾盐湖卤水制取硫酸钾的方法 |
| DE60127466D1 (de) * | 2001-10-22 | 2007-05-03 | Council Scient Ind Res | Gewinnung von natriumchlorid und anderen salzen aus sole |
| AU2003300706B2 (en) * | 2003-12-31 | 2007-08-16 | Council Of Scientific And Industrial Research | Simultaneous recovery of potassium chloride and KCl enriched edible salt |
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2003
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- 2003-12-31 JP JP2005512762A patent/JP4516023B2/ja not_active Expired - Lifetime
- 2003-12-31 CA CA002552104A patent/CA2552104C/fr not_active Expired - Lifetime
- 2003-12-31 GB GB0614762A patent/GB2427190B8/en not_active Expired - Lifetime
- 2003-12-31 CN CNB2003801109302A patent/CN100439248C/zh not_active Expired - Lifetime
- 2003-12-31 BR BRPI0318666A patent/BRPI0318666B1/pt not_active IP Right Cessation
- 2003-12-31 WO PCT/IN2003/000463 patent/WO2005063626A1/fr not_active Ceased
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503619A (zh) * | 2011-09-02 | 2012-06-20 | 天津科技大学 | 由制盐母液制取复合肥的方法 |
| CN102503619B (zh) * | 2011-09-02 | 2013-11-06 | 天津科技大学 | 由制盐母液制取复合肥的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2427190A (en) | 2006-12-20 |
| IL176482A (en) | 2012-06-28 |
| AU2003300719A1 (en) | 2005-07-21 |
| CA2552104A1 (fr) | 2005-07-14 |
| JP4516023B2 (ja) | 2010-08-04 |
| JP2007528333A (ja) | 2007-10-11 |
| IL176482A0 (en) | 2006-10-05 |
| GB2427190B8 (en) | 2009-07-22 |
| GB0614762D0 (en) | 2006-09-06 |
| CN100439248C (zh) | 2008-12-03 |
| BRPI0318666B1 (pt) | 2015-12-15 |
| BR0318666A (pt) | 2006-11-28 |
| CN1886339A (zh) | 2006-12-27 |
| WO2005063626A1 (fr) | 2005-07-14 |
| AU2003300719B2 (en) | 2008-06-12 |
| GB2427190B (en) | 2009-04-15 |
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