SE431234B - Forfarande for framstellning av oorganiska fibrer pa basis av kalciumsulfat - Google Patents

Forfarande for framstellning av oorganiska fibrer pa basis av kalciumsulfat

Info

Publication number: SE431234B
Authority: SE; Sweden
Prior art keywords: calcium sulphate; fibers; process according; length; dihydrate
Prior art date: 1977-07-01

Application number

SE7807379A

Other languages

English (en)

Swedish (sv)

Other versions

SE7807379L (sv

Inventor

E Weinberg

A Aignesberger

F Vogl

W Lukas

Original Assignee

Sueddeutsche Kalkstickstoff

Priority date (The priority date 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 date listed.)

1977-07-01

Filing date

1978-06-29

Publication date

1984-01-23

1978-06-29 Application filed by Sueddeutsche Kalkstickstoff filed Critical Sueddeutsche Kalkstickstoff

1979-01-02 Publication of SE7807379L publication Critical patent/SE7807379L/xx

1984-01-23 Publication of SE431234B publication Critical patent/SE431234B/sv

Links

OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims description 76
239000001175 calcium sulphate Substances 0.000 title claims description 29
235000011132 calcium sulphate Nutrition 0.000 title claims description 28
238000000034 method Methods 0.000 title claims description 26
239000012784 inorganic fiber Substances 0.000 title claims description 3
239000000835 fiber Substances 0.000 claims description 66
239000000243 solution Substances 0.000 claims description 22
PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 18
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 13
229910017604 nitric acid Inorganic materials 0.000 claims description 13
150000003839 salts Chemical class 0.000 claims description 11
229910052925 anhydrite Inorganic materials 0.000 claims description 10
239000000203 mixture Substances 0.000 claims description 10
238000004519 manufacturing process Methods 0.000 claims description 7
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
229910052751 metal Inorganic materials 0.000 claims description 5
239000002184 metal Substances 0.000 claims description 5
239000007864 aqueous solution Substances 0.000 claims description 4
150000002739 metals Chemical class 0.000 claims description 4
239000011541 reaction mixture Substances 0.000 claims description 4
239000011780 sodium chloride Substances 0.000 claims description 4
238000010438 heat treatment Methods 0.000 claims description 3
239000007787 solid Substances 0.000 claims description 3
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
229910052782 aluminium Inorganic materials 0.000 claims description 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
150000001805 chlorine compounds Chemical class 0.000 claims description 2
239000011777 magnesium Substances 0.000 claims description 2
229910052749 magnesium Inorganic materials 0.000 claims description 2
150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 2
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
239000012736 aqueous medium Substances 0.000 claims 1
150000004673 fluoride salts Chemical class 0.000 claims 1
150000004820 halides Chemical class 0.000 claims 1
229910052744 lithium Inorganic materials 0.000 claims 1
239000007858 starting material Substances 0.000 claims 1
229910052725 zinc Inorganic materials 0.000 claims 1
239000011701 zinc Substances 0.000 claims 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
239000013078 crystal Substances 0.000 description 16
238000006243 chemical reaction Methods 0.000 description 13
235000002639 sodium chloride Nutrition 0.000 description 12
150000004683 dihydrates Chemical class 0.000 description 11
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 10
230000015572 biosynthetic process Effects 0.000 description 10
229910052602 gypsum Inorganic materials 0.000 description 8
239000010440 gypsum Substances 0.000 description 8
239000002253 acid Substances 0.000 description 6
JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 6
229910001629 magnesium chloride Inorganic materials 0.000 description 5
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 4
FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
150000007522 mineralic acids Chemical class 0.000 description 3
239000003960 organic solvent Substances 0.000 description 3
NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
239000007790 solid phase Substances 0.000 description 3
239000011592 zinc chloride Substances 0.000 description 3
235000005074 zinc chloride Nutrition 0.000 description 3
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
150000007513 acids Chemical class 0.000 description 2
239000000654 additive Substances 0.000 description 2
VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
239000012452 mother liquor Substances 0.000 description 2
239000000123 paper Substances 0.000 description 2
235000010333 potassium nitrate Nutrition 0.000 description 2
239000004323 potassium nitrate Substances 0.000 description 2
230000035484 reaction time Effects 0.000 description 2
238000004064 recycling Methods 0.000 description 2
230000003014 reinforcing effect Effects 0.000 description 2
229910052938 sodium sulfate Inorganic materials 0.000 description 2
235000011152 sodium sulphate Nutrition 0.000 description 2
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
201000004624 Dermatitis Diseases 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
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 description 1
ARLZGEXVMUDUQZ-UHFFFAOYSA-N O.O.[Ca] Chemical compound O.O.[Ca] ARLZGEXVMUDUQZ-UHFFFAOYSA-N 0.000 description 1
MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
241000546263 Xorides Species 0.000 description 1
238000005299 abrasion Methods 0.000 description 1
239000000956 alloy Substances 0.000 description 1
229910045601 alloy Inorganic materials 0.000 description 1
DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
235000019270 ammonium chloride Nutrition 0.000 description 1
VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 1
208000010668 atopic eczema Diseases 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
239000004327 boric acid Substances 0.000 description 1
150000003842 bromide salts Chemical class 0.000 description 1
239000001110 calcium chloride Substances 0.000 description 1
229910001628 calcium chloride Inorganic materials 0.000 description 1
235000011148 calcium chloride Nutrition 0.000 description 1
GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
-1 calcium sulphate anhydride Chemical class 0.000 description 1
235000010261 calcium sulphite Nutrition 0.000 description 1
239000004202 carbamide Substances 0.000 description 1
239000011111 cardboard Substances 0.000 description 1
238000005119 centrifugation Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
239000004744 fabric Substances 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000011521 glass Substances 0.000 description 1
239000012535 impurity Substances 0.000 description 1
238000009413 insulation Methods 0.000 description 1
150000004694 iodide salts Chemical class 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
150000002823 nitrates Chemical class 0.000 description 1
150000007524 organic acids Chemical class 0.000 description 1
235000005985 organic acids Nutrition 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000011087 paperboard Substances 0.000 description 1
239000012071 phase Substances 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
239000001103 potassium chloride Substances 0.000 description 1
235000011164 potassium chloride Nutrition 0.000 description 1
229910001414 potassium ion Inorganic materials 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
239000012429 reaction media Substances 0.000 description 1
239000012744 reinforcing agent Substances 0.000 description 1
239000012779 reinforcing material Substances 0.000 description 1
230000000630 rising effect Effects 0.000 description 1
239000011833 salt mixture Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 1
239000000725 suspension Substances 0.000 description 1
239000004753 textile Substances 0.000 description 1
239000002699 waste material Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-containing compounds
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/466—Conversion of one form of calcium sulfate to another
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Structural Engineering (AREA)
Materials Engineering (AREA)
Health & Medical Sciences (AREA)
Civil Engineering (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Inorganic Fibers (AREA)
Paper (AREA)

SE7807379A 1977-07-01 1978-06-29 Forfarande for framstellning av oorganiska fibrer pa basis av kalciumsulfat SE431234B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2729842A DE2729842B2 (de)	1977-07-01	1977-07-01	Verfahren zur Herstellung von anorganischen Fasern auf Basis von Calciumsulfat

Publications (2)

Publication Number	Publication Date
SE7807379L SE7807379L (sv)	1979-01-02
SE431234B true SE431234B (sv)	1984-01-23

Family

ID=6012958

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7807379A SE431234B (sv)	1977-07-01	1978-06-29	Forfarande for framstellning av oorganiska fibrer pa basis av kalciumsulfat

Country Status (8)

Country	Link
JP (1)	JPS5418927A (fr)
AT (1)	AT361103B (fr)
CA (1)	CA1121973A (fr)
DE (1)	DE2729842B2 (fr)
FR (1)	FR2395965A1 (fr)
GB (1)	GB1597668A (fr)
IT (1)	IT1109145B (fr)
SE (1)	SE431234B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2053874B (en) *	1977-12-29	1982-07-28	Idemitsu Kosan Co	Production of calcium sulphate
US4801355A (en) *	1987-01-16	1989-01-31	United States Gypsum Company	Tabular acicular gypsum and method of filling paper
FR2629069B1 (fr) *	1988-03-24	1990-11-23	Lafarge Sa Platres	Procede de preparation de sulfate de calcium a structure cristalline longiligne dotee d'une longueur et d'un facteur de forme maitrises
FR2640961B1 (fr) *	1988-12-22	1993-04-02	Lafarge Platres
US7273579B2 (en) *	2004-01-28	2007-09-25	United States Gypsum Company	Process for production of gypsum/fiber board

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR932226A (fr) *	1946-08-13	1948-03-16	Cie Des Phosphates Et Du Chemi	Procédé pour favoriser la formation d'aiguilles dans les précipités de gypse
GB1038025A (en) *	1963-08-16	1966-08-03	Bpb Industries Ltd	Lightweight material and production thereof
US4029512A (en) *	1974-08-05	1977-06-14	Johns-Manville Corporation	Method for the preparation of fibrous insoluble calcium sulfate anhydrite
SE7601262L (sv) *	1975-02-07	1976-08-09	Ici Ltd	Fiberarmerat material och sett for dess framstellning
JPS51109295A (ja) *	1975-03-22	1976-09-28	Idemitsu Kosan Co	Kaishitsusaretaketsushoseisetsukoseninoseizohoho
DE2621611C3 (de) *	1976-05-14	1981-06-25	Skw Trostberg Ag, 8223 Trostberg	Anorganische Fasern, Verfahren zu deren Herstellung sowie deren Verwendung

1977
- 1977-07-01 DE DE2729842A patent/DE2729842B2/de not_active Ceased
1978
- 1978-05-16 GB GB19980/78A patent/GB1597668A/en not_active Expired
- 1978-06-05 CA CA000304806A patent/CA1121973A/fr not_active Expired
- 1978-06-13 IT IT68375/78A patent/IT1109145B/it active
- 1978-06-29 SE SE7807379A patent/SE431234B/sv unknown
- 1978-06-30 FR FR7819694A patent/FR2395965A1/fr not_active Withdrawn
- 1978-06-30 JP JP7969878A patent/JPS5418927A/ja active Pending
- 1978-06-30 AT AT477378A patent/AT361103B/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB1597668A (en)	1981-09-09
DE2729842A1 (de)	1979-01-25
JPS5418927A (en)	1979-02-13
SE7807379L (sv)	1979-01-02
FR2395965A1 (fr)	1979-01-26
DE2729842B2 (de)	1979-05-23
IT7868375A0 (it)	1978-06-13
CA1121973A (fr)	1982-04-20
AT361103B (de)	1981-02-25
ATA477378A (de)	1980-07-15
IT1109145B (it)	1985-12-16

Publication	Publication Date	Title
US4120737A (en)	1978-10-17	Manufacture of calcium sulphate alpha hemihydrate
US4588573A (en)	1986-05-13	Method for the production of potassium sulfate using sulfuric acid and potassium chloride
US3998935A (en)	1976-12-21	Manufacture of potassium sulfate
US4212991A (en)	1980-07-15	Single-stage process for the preparation of terephthalic acid
US4387083A (en)	1983-06-07	Process for the preparation of calcium sulphate anhydrite and calcium sulphate anhydrite obtained by this process
DE2625248C2 (de)	1987-03-26	Verfahren zum Aufarbeiten von Soleschlamm
SE431234B (sv)	1984-01-23	Forfarande for framstellning av oorganiska fibrer pa basis av kalciumsulfat
US4041143A (en)	1977-08-09	Process for preparing fibrous alkali metal titanate
CN1043750C (zh)	1999-06-23	硝酸钾生产工艺
CN101074103A (zh)	2007-11-21	一种氟化锂的制备方法
US3106449A (en)	1963-10-08	Production of ammonium hydrogen fluoride
US2099079A (en)	1937-11-16	Production of coarsely crystalline ammonium sulphate
US4021528A (en)	1977-05-03	Process for preparing AlH3 (PO4)2.3 H2 O
EP0012488B1 (fr)	1983-05-25	Procédé de préparation d'hémihydrate de sulfate de calcium et hémihydrate de sulfate de calcium obtenu selon ce procédé
JPH046104A (ja)	1992-01-10	有機フッ素化合物合成用無水フッ化カリウムの製造方法
US3323875A (en)	1967-06-06	Manufacture of carnallite liquors and potassium chloride
JPH08188569A (ja)	1996-07-23	スルホニウム化合物の製造方法
USRE24890E (en)	1960-10-25	Process for the production of mag-
US4670231A (en)	1987-06-02	Continuous procedure of obtention of compounds of aluminum from aluminum silicates and other aluminum ores
US5066404A (en)	1991-11-19	Method for separating sodium and potassium by ion exchange
JP2000053418A (ja)	2000-02-22	石膏繊維の製造方法
KR830004160A (ko)	1983-07-06	안정된 황산티타늄 용액의 제조방법
CS276111B6 (en)	1992-04-15	Process for separating barium from strontium salts being dissolved in water
JPH0733375B2 (ja)	1995-04-12	２‐メルカプトベンゾオキサゾールの製法
RU2424189C1 (ru)	2011-07-20	Способ получения высокочистого фторида стронция