NO813312L - Fremgangsmaate, samt apparat for fremstilling av et alkalimetallsalt - Google Patents
Fremgangsmaate, samt apparat for fremstilling av et alkalimetallsaltInfo
- Publication number
- NO813312L NO813312L NO813312A NO813312A NO813312L NO 813312 L NO813312 L NO 813312L NO 813312 A NO813312 A NO 813312A NO 813312 A NO813312 A NO 813312A NO 813312 L NO813312 L NO 813312L
- Authority
- NO
- Norway
- Prior art keywords
- reaction mixture
- muffle furnace
- stirring
- stirring elements
- reaction
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 31
- 239000002184 metal Substances 0.000 title claims description 31
- 238000000034 method Methods 0.000 title claims description 19
- 150000003839 salts Chemical class 0.000 title description 3
- 239000011541 reaction mixture Substances 0.000 claims description 98
- 238000003756 stirring Methods 0.000 claims description 97
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 64
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 58
- 238000006243 chemical reaction Methods 0.000 claims description 56
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 41
- 239000002253 acid Substances 0.000 claims description 38
- 239000001103 potassium chloride Substances 0.000 claims description 29
- 235000011164 potassium chloride Nutrition 0.000 claims description 29
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 25
- 235000010755 mineral Nutrition 0.000 claims description 25
- 239000011707 mineral Substances 0.000 claims description 25
- 239000007795 chemical reaction product Substances 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 17
- -1 alkali metal salt Chemical class 0.000 claims description 17
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 17
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 17
- 238000004898 kneading Methods 0.000 claims description 16
- 239000000047 product Substances 0.000 claims description 16
- 229910052783 alkali metal Inorganic materials 0.000 claims description 15
- 239000007791 liquid phase Substances 0.000 claims description 15
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims description 13
- 239000000567 combustion gas Substances 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 10
- 239000007790 solid phase Substances 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 230000003472 neutralizing effect Effects 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- JTNCEQNHURODLX-UHFFFAOYSA-N 2-phenylethanimidamide Chemical compound NC(=N)CC1=CC=CC=C1 JTNCEQNHURODLX-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 229910000343 potassium bisulfate Inorganic materials 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims description 5
- 230000001464 adherent effect Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 4
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical class CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- MBEVSMZJMIQVBG-UHFFFAOYSA-N 2-(hydroxymethyl)guanidine Chemical compound NC(N)=NCO MBEVSMZJMIQVBG-UHFFFAOYSA-N 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 239000002912 waste gas Substances 0.000 claims 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 37
- 235000011151 potassium sulphates Nutrition 0.000 description 37
- 239000001120 potassium sulphate Substances 0.000 description 20
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 16
- 239000000460 chlorine Substances 0.000 description 16
- 229910052801 chlorine Inorganic materials 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 16
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 15
- 238000006386 neutralization reaction Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- 230000001141 propulsive effect Effects 0.000 description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000320 mechanical mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000160 potassium phosphate Inorganic materials 0.000 description 2
- 235000011009 potassium phosphates Nutrition 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- AOSZTAHDEDLTLQ-AZKQZHLXSA-N (1S,2S,4R,8S,9S,11S,12R,13S,19S)-6-[(3-chlorophenyl)methyl]-12,19-difluoro-11-hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-6-azapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one Chemical compound C([C@@H]1C[C@H]2[C@H]3[C@]([C@]4(C=CC(=O)C=C4[C@@H](F)C3)C)(F)[C@@H](O)C[C@@]2([C@@]1(C1)C(=O)CO)C)N1CC1=CC=CC(Cl)=C1 AOSZTAHDEDLTLQ-AZKQZHLXSA-N 0.000 description 1
- 229940126657 Compound 17 Drugs 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 description 1
- 229940099427 potassium bisulfite Drugs 0.000 description 1
- 235000010259 potassium hydrogen sulphite Nutrition 0.000 description 1
- KAQHZJVQFBJKCK-UHFFFAOYSA-L potassium pyrosulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OS([O-])(=O)=O KAQHZJVQFBJKCK-UHFFFAOYSA-L 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- WPPDXAHGCGPUPK-UHFFFAOYSA-N red 2 Chemical compound C1=CC=CC=C1C(C1=CC=CC=C11)=C(C=2C=3C4=CC=C5C6=CC=C7C8=C(C=9C=CC=CC=9)C9=CC=CC=C9C(C=9C=CC=CC=9)=C8C8=CC=C(C6=C87)C(C=35)=CC=2)C4=C1C1=CC=CC=C1 WPPDXAHGCGPUPK-UHFFFAOYSA-N 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/03—Preparation from chlorides
- C01B7/035—Preparation of hydrogen chloride from chlorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D17/00—Rubidium, caesium or francium compounds
- C01D17/003—Compounds of alkali metals
-
- 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
- C01D5/02—Preparation of sulfates from alkali metal salts and sulfuric acid or bisulfates; Preparation of bisulfates
-
- 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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55135305A JPS5767022A (en) | 1980-09-30 | 1980-09-30 | Manufacturing apparatus for alkali metallic salt of minearl acid |
JP10317381A JPS589814A (ja) | 1981-07-03 | 1981-07-03 | 硫酸カリウム塩の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
NO813312L true NO813312L (no) | 1982-03-31 |
Family
ID=26443825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO813312A NO813312L (no) | 1980-09-30 | 1981-09-29 | Fremgangsmaate, samt apparat for fremstilling av et alkalimetallsalt |
Country Status (6)
Country | Link |
---|---|
US (1) | US4427637A (fr) |
CA (1) | CA1177222A (fr) |
DE (1) | DE3138923C2 (fr) |
FR (1) | FR2491057B1 (fr) |
NO (1) | NO813312L (fr) |
SU (1) | SU1178314A3 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5401833A (en) * | 1993-02-01 | 1995-03-28 | United States Leather Holdings, Inc. | Method and apparatus for treating chrome leather waste |
US6337058B1 (en) * | 1996-09-16 | 2002-01-08 | E&C Williams Inc. | Process for producing calcium sulfide |
CA2704186A1 (fr) * | 2010-05-18 | 2011-11-18 | Lucie B. Wheeler | Reacteur de craquage thermique pour melanges, procedes correspondants et leurs utilisations |
CA2783608A1 (fr) | 2012-07-23 | 2014-01-23 | Lucie Wheeler | Procede environnemental visant a transformer une matiere d'alimentation contaminee ou decontaminee en des produits utiles, utilisations du procede, produits ainsi obtenus et utilisations de ceux-ci et fabrication de l'installation correspondante |
CA2899362C (fr) | 2013-02-06 | 2017-10-17 | Envirollea Inc. | Procede thermique visant a transformer des matieres premieres contaminees ou decontaminees en produits huileux utiles |
CA2973210A1 (fr) | 2017-07-13 | 2019-01-13 | Louis Bertrand | Procede de production de combustible liquide a partir de rejets d'hydrocarbure ou de matiere organique, systeme de gestion associe |
CA3032769C (fr) | 2019-02-04 | 2020-04-21 | Envirollea Inc. | Huiles de flottaison, procedes et utilisations associees |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1486358A (en) | 1910-02-19 | 1924-03-11 | Skinner Lewis Bailey | Method of and apparatus for conducting furnacing operations |
US1165815A (en) | 1914-06-01 | 1915-12-28 | Karl Thelen | Mechanical sulfate-furnace. |
US1145898A (en) | 1914-06-26 | 1915-07-13 | Henry Howard | Process of making hydrochloric acid. |
FR517816A (fr) | 1918-01-24 | 1921-05-12 | Salzwerk Heilbronn | Procédé de fabrication du sel de glauber |
US1375643A (en) * | 1920-02-19 | 1921-04-19 | Skinner Lewis Bailey | Feeding apparatus |
US1498286A (en) | 1921-03-29 | 1924-06-17 | Warren J Marsh | Feed-mixing machine |
US1697390A (en) | 1926-05-14 | 1929-01-01 | Herman B Kipper | Process of speeding chemical reactions |
DE551929C (de) * | 1928-03-28 | 1932-06-07 | Zahn & Co G M B H | Zufuehrung von Schwefelsaeure in mechanische Sulfatoefen |
US1871416A (en) | 1931-01-27 | 1932-08-09 | Broadfield Mack Dean | Method of producing superphosphate |
US2082809A (en) | 1936-06-18 | 1937-06-08 | Robert E Pennell | Production of potassium sulphate fertilizer material |
GB478217A (en) | 1936-07-21 | 1938-01-14 | Ig Farbenindustrie Ag | Process for the manufacture of hydrochloric acid and sodium sulphate |
US2706144A (en) | 1950-02-02 | 1955-04-12 | Curtis W Cannon | Improved hargreaves method for making sulphate salts and hci |
DE1255098B (de) | 1962-04-17 | 1967-11-30 | Inst Chemii Ogolnej | Vorrichtung zur thermischen Isomerisierung oder Disproportionierung von Alkalisalzen von Benzolcarbonsaeuren |
JPS5021992B1 (fr) * | 1968-02-17 | 1975-07-26 | ||
US3684458A (en) | 1970-01-08 | 1972-08-15 | Firestone Tire & Rubber Co | Propulsion and processing apparatus for flowable materials |
US4191736A (en) * | 1975-11-19 | 1980-03-04 | E. I. Du Pont De Nemours And Company | Process for reacting liquids with solids |
DE2950404C2 (de) | 1978-12-25 | 1984-05-30 | Asahi Kasei Kogyo K.K., Osaka | Verfahren zur Herstellung von Kaliumsulfat |
JPS5617921A (en) | 1979-07-19 | 1981-02-20 | Chisso Corp | Manufacture of potassium sulfate |
JPS5617922A (en) | 1979-07-19 | 1981-02-20 | Chisso Corp | Continuously manufacturing apparatus for potassium sulfate |
-
1981
- 1981-09-25 CA CA000386649A patent/CA1177222A/fr not_active Expired
- 1981-09-29 NO NO813312A patent/NO813312L/no unknown
- 1981-09-29 SU SU813365882A patent/SU1178314A3/ru active
- 1981-09-29 FR FR8118323A patent/FR2491057B1/fr not_active Expired
- 1981-09-30 US US06/307,164 patent/US4427637A/en not_active Expired - Fee Related
- 1981-09-30 DE DE3138923A patent/DE3138923C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4427637A (en) | 1984-01-24 |
DE3138923A1 (de) | 1982-04-01 |
DE3138923C2 (de) | 1985-09-26 |
FR2491057A1 (fr) | 1982-04-02 |
FR2491057B1 (fr) | 1984-12-14 |
CA1177222A (fr) | 1984-11-06 |
SU1178314A3 (ru) | 1985-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3607190A (en) | Method and apparatus for preheating glass batch | |
US4303619A (en) | Apparatus for continuously producing potassium sulfate | |
NO813312L (no) | Fremgangsmaate, samt apparat for fremstilling av et alkalimetallsalt | |
NO153132B (no) | Fremgangsmaate ved fremstilling av et kaliumsulfatsalt | |
US3607121A (en) | Rotary furnace having recycle provision | |
NO136295B (fr) | ||
WO2014194567A1 (fr) | Four rotatif servant à réduire le minerai de phosphate dans un processus de cuisson permettant la production d'acide phosphorique et procédé permettant de résoudre le problème de formation de bagues dans la queue de four pendant le processus de cuisson permettant la production d'acide phosphorique | |
NO134779B (fr) | ||
US2557528A (en) | Method and apparatus for effecting continuous sulfuric acid digestion of titaniferous material | |
US2142943A (en) | Production of phosphate salts | |
US2142944A (en) | Production of phosphates | |
NO120852B (fr) | ||
JPS6256085B2 (fr) | ||
KR890003670B1 (ko) | 회전 오븐 중에서 황산과 형석을 반응시켜 플루오르산을 제조하는 방법 | |
US6699455B2 (en) | Process for preparing hydrogen fluoride in a rotary tube furnace | |
NO774498L (no) | Rakeanordning. | |
US2234511A (en) | Animal feed supplement and process of manufacture | |
US3363977A (en) | Method of preparing sodium sulfate and hydrogen chloride | |
US3355259A (en) | Process for melting sulfur | |
US1288400A (en) | Production of hydrofluoric acid. | |
NO126986B (fr) | ||
US4073875A (en) | Oxidation of magnesium chloride | |
US1655424A (en) | Heating | |
US1486358A (en) | Method of and apparatus for conducting furnacing operations | |
US1591235A (en) | Method of making activated carbon |