BRPI0318666B1 - processo integrado para a preparação de sulfato de potássio - Google Patents
processo integrado para a preparação de sulfato de potássio Download PDFInfo
- Publication number
- BRPI0318666B1 BRPI0318666B1 BRPI0318666A BR0318666A BRPI0318666B1 BR PI0318666 B1 BRPI0318666 B1 BR PI0318666B1 BR PI0318666 A BRPI0318666 A BR PI0318666A BR 0318666 A BR0318666 A BR 0318666A BR PI0318666 B1 BRPI0318666 B1 BR PI0318666B1
- Authority
- BR
- Brazil
- Prior art keywords
- solution
- carnalite
- nacl
- sel
- crystallization
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 104
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 title claims abstract description 21
- 229910052939 potassium sulfate Inorganic materials 0.000 title claims abstract description 21
- 235000011151 potassium sulphates Nutrition 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000001120 potassium sulphate Substances 0.000 title claims abstract description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 83
- 150000003839 salts Chemical class 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 claims abstract description 40
- 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 39
- 239000013535 sea water Substances 0.000 claims abstract description 39
- 238000002425 crystallisation Methods 0.000 claims abstract description 35
- 230000008025 crystallization Effects 0.000 claims abstract description 35
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 19
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 17
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 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 8
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 7
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 7
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 7
- 238000001640 fractional crystallisation Methods 0.000 claims abstract description 7
- 239000011505 plaster Substances 0.000 claims abstract description 7
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 73
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 52
- 239000011777 magnesium Substances 0.000 claims description 42
- 239000011780 sodium chloride Substances 0.000 claims description 39
- 239000001103 potassium chloride Substances 0.000 claims description 36
- 235000011164 potassium chloride Nutrition 0.000 claims description 36
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 33
- 239000000347 magnesium hydroxide Substances 0.000 claims description 33
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 29
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 26
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 21
- 239000002002 slurry Substances 0.000 claims description 20
- 239000001110 calcium chloride Substances 0.000 claims description 19
- 235000011148 calcium chloride Nutrition 0.000 claims description 19
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 19
- 238000001704 evaporation Methods 0.000 claims description 16
- 230000008020 evaporation Effects 0.000 claims description 14
- 239000012452 mother liquor Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- 238000002386 leaching Methods 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 229910006130 SO4 Inorganic materials 0.000 claims 1
- 239000012065 filter cake Substances 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 18
- 239000011591 potassium Substances 0.000 abstract description 18
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 10
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 10
- 239000004571 lime Substances 0.000 abstract description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052796 boron Inorganic materials 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000006227 byproduct Substances 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 88
- 239000000203 mixture Substances 0.000 description 28
- 239000000126 substance Substances 0.000 description 24
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 23
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 15
- 239000000395 magnesium oxide Substances 0.000 description 11
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 10
- 238000005188 flotation Methods 0.000 description 10
- 239000012267 brine Substances 0.000 description 9
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 235000019341 magnesium sulphate Nutrition 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 6
- 229910052925 anhydrite Inorganic materials 0.000 description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 description 6
- 235000011152 sodium sulphate Nutrition 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-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
- 239000002699 waste material Substances 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000011549 crystallization solution Substances 0.000 description 3
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000008247 solid mixture Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 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
- 238000000746 purification Methods 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 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
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000007513 acids Chemical class 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
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 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 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
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000012045 crude solution Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- -1 ion bromide Chemical class 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
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 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
- 201000010065 polycystic ovary syndrome Diseases 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
- 239000012265 solid product Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000010977 unit operation Methods 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IN2003/000463 WO2005063626A1 (en) | 2003-12-31 | 2003-12-31 | Process for recovery of sulphate of potash |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR0318666A BR0318666A (pt) | 2006-11-28 |
| BRPI0318666B1 true BRPI0318666B1 (pt) | 2015-12-15 |
Family
ID=34717580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0318666A BRPI0318666B1 (pt) | 2003-12-31 | 2003-12-31 | processo integrado para a preparação de sulfato de potássio |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JP4516023B2 (ja) |
| CN (1) | CN100439248C (ja) |
| AU (1) | AU2003300719B2 (ja) |
| BR (1) | BRPI0318666B1 (ja) |
| CA (1) | CA2552104C (ja) |
| GB (1) | GB2427190B8 (ja) |
| IL (1) | IL176482A (ja) |
| WO (1) | WO2005063626A1 (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602005022506D1 (de) * | 2005-11-10 | 2010-09-02 | Council Scient Ind Res | Verbessertes verfahren zur gewinnung von kaliumsulfat (sop, sulphate of potash) aus sulfatreicher muttersole |
| 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 |
| 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 |
| 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 |
| US20180230065A1 (en) * | 2014-10-16 | 2018-08-16 | Council Of Scientific & Industrial Research | A process of production of potassium ammonium sulfate compound fertilizer in cost-effective manner directly from concentrated sea bittern |
| 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 |
| AU2017281590B2 (en) | 2016-06-24 | 2019-08-01 | Yara Dallol Bv | Method for the reduction of halite in the preparation of potassium sulphate from potassium-containing ores at high ambient temperatures |
| 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 |
| WO2019071349A1 (en) | 2017-10-13 | 2019-04-18 | Novopro Projects Inc. | SYSTEMS AND METHODS FOR PRODUCING POTASSIUM SULPHATE |
| 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 |
Family Cites Families (10)
| 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 |
| EP1440036B1 (en) * | 2001-10-22 | 2007-03-21 | Council of Scientific and Industrial Research;an Indian Reg. body incorporated under Reg. of Societies Act (Act XXI of 1860) | Recovery of sodium chloride and other salts from brine |
| DE60335220D1 (de) * | 2003-12-31 | 2011-01-13 | Council Scient Ind Res | GLEICHZEITIGE GEWINNUNG VON KALIUMCHLORID UND MIT KCl ANGEREICHERTEM SPEISESALZ |
-
2003
- 2003-12-31 GB GB0614762A patent/GB2427190B8/en not_active Expired - Lifetime
- 2003-12-31 BR BRPI0318666A patent/BRPI0318666B1/pt active IP Right Grant
- 2003-12-31 AU AU2003300719A patent/AU2003300719B2/en not_active Expired
- 2003-12-31 CN CNB2003801109302A patent/CN100439248C/zh not_active Expired - Lifetime
- 2003-12-31 JP JP2005512762A patent/JP4516023B2/ja not_active Expired - Lifetime
- 2003-12-31 CA CA002552104A patent/CA2552104C/en not_active Expired - Lifetime
- 2003-12-31 WO PCT/IN2003/000463 patent/WO2005063626A1/en active Application Filing
-
2006
- 2006-06-21 IL IL176482A patent/IL176482A/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| IL176482A0 (en) | 2006-10-05 |
| BR0318666A (pt) | 2006-11-28 |
| GB2427190B (en) | 2009-04-15 |
| GB2427190B8 (en) | 2009-07-22 |
| JP4516023B2 (ja) | 2010-08-04 |
| CA2552104A1 (en) | 2005-07-14 |
| CN1886339A (zh) | 2006-12-27 |
| AU2003300719A1 (en) | 2005-07-21 |
| IL176482A (en) | 2012-06-28 |
| JP2007528333A (ja) | 2007-10-11 |
| GB2427190A (en) | 2006-12-20 |
| WO2005063626A1 (en) | 2005-07-14 |
| GB0614762D0 (en) | 2006-09-06 |
| CN100439248C (zh) | 2008-12-03 |
| AU2003300719B2 (en) | 2008-06-12 |
| CA2552104C (en) | 2009-11-24 |
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