IT1081591B - Metodo per la produzione di solfato di potassio in cristalli grossi in cristallizzatori a circolazione interna e scapico selettivo del sale cristallizzato - Google Patents
Metodo per la produzione di solfato di potassio in cristalli grossi in cristallizzatori a circolazione interna e scapico selettivo del sale cristallizzatoInfo
- Publication number
- IT1081591B IT1081591B IT12574/77A IT1257477A IT1081591B IT 1081591 B IT1081591 B IT 1081591B IT 12574/77 A IT12574/77 A IT 12574/77A IT 1257477 A IT1257477 A IT 1257477A IT 1081591 B IT1081591 B IT 1081591B
- Authority
- IT
- Italy
- Prior art keywords
- scapic
- selective
- production
- internal circulation
- potassium sulphate
- Prior art date
Links
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
- C01D5/06—Preparation of sulfates by double decomposition
- C01D5/10—Preparation of sulfates by double decomposition with sulfates of magnesium, calcium, strontium, or barium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2627871A DE2627871C2 (de) | 1976-06-22 | 1976-06-22 | Verfahren zur Gewinnung von grobem K2 SO4 in Kristallisatoren mit innerer Umwälzung und klassierendem Salzabzug |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1081591B true IT1081591B (it) | 1985-05-21 |
Family
ID=5981117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT12574/77A IT1081591B (it) | 1976-06-22 | 1977-04-18 | Metodo per la produzione di solfato di potassio in cristalli grossi in cristallizzatori a circolazione interna e scapico selettivo del sale cristallizzato |
Country Status (4)
Country | Link |
---|---|
US (1) | US4174382A (it) |
DE (1) | DE2627871C2 (it) |
IT (1) | IT1081591B (it) |
SU (1) | SU828959A3 (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1004475A3 (fr) * | 1990-06-22 | 1992-12-01 | Solvay | Procede et installation pour la cristallisation d'une substance minerale. |
IT1270000B (it) | 1994-09-22 | 1997-04-16 | Solvay Interox | Procedimento per la fabbricazione di particelle di persali |
US6299663B1 (en) | 1996-04-19 | 2001-10-09 | Airborne Industrial Minerals Inc. | Granulation method and apparatus therefor |
US6132484A (en) * | 1998-04-17 | 2000-10-17 | Airborne Industrial Minerals Inc. | Wet granulation method for generating fertilizer granules |
US6331193B1 (en) | 1998-04-17 | 2001-12-18 | Airborne Industrial Minerals Inc. | Wet granulation method generating sulfur granules |
US6454979B1 (en) | 1998-04-17 | 2002-09-24 | Airborne Industrial Minerals Inc. | Wet granulation method for generating granules |
US6293985B1 (en) | 1998-04-17 | 2001-09-25 | Airborne Industrial Minerals | Fertilizer granulation method |
US6315976B1 (en) | 1998-06-16 | 2001-11-13 | Aristos Capital Corporation | Method of producing potassium sulfate |
US6143271A (en) * | 1998-09-14 | 2000-11-07 | Dead Sea Works | Process for producing potassium sulfate from potash and sodium sulfate |
US6692716B1 (en) | 1998-10-13 | 2004-02-17 | Airborne Industrial Minerals, Inc. | Method of formulating alkali earth salts |
US6106796A (en) * | 1998-10-13 | 2000-08-22 | Airborne Technologies Inc. | Method of ammonium sulfate purification |
NZ515927A (en) | 1999-05-05 | 2004-05-28 | Agronomic Growth Ind Ltd | Method for granulating compost powder in an absence of a nucleating material, seeding material or other initiator |
US6334990B1 (en) | 1999-10-21 | 2002-01-01 | Airborne Industrial Minerals Inc. | Formulation of potassium sulfate, sodium carbonate and sodium bicarbonate from potash brine |
US6375824B1 (en) | 2001-01-16 | 2002-04-23 | Airborne Industrial Minerals Inc. | Process for producing potassium hydroxide and potassium sulfate from sodium sulfate |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA627446A (en) * | 1961-09-12 | Morton Salt Company | Process for producing salt | |
US1932674A (en) * | 1931-07-08 | 1933-10-31 | Shell Dev | Process for the manufacture of ammonium sulphate |
US2025756A (en) * | 1933-06-07 | 1935-12-31 | Larsson Markus | Method of producing sodium sulphate and the like |
US3425795A (en) * | 1966-08-09 | 1969-02-04 | Allied Chem | Method for preparing superdense sodium carbonate from wyoming trona and the product thereof |
US3967930A (en) * | 1974-11-18 | 1976-07-06 | N L Industries, Inc. | Separation of complex potassium salts from brine evaporites |
-
1976
- 1976-06-22 DE DE2627871A patent/DE2627871C2/de not_active Expired
-
1977
- 1977-04-18 IT IT12574/77A patent/IT1081591B/it active
- 1977-06-08 US US05/804,727 patent/US4174382A/en not_active Expired - Lifetime
- 1977-06-22 SU SU772497265A patent/SU828959A3/ru active
Also Published As
Publication number | Publication date |
---|---|
DE2627871C2 (de) | 1978-08-24 |
US4174382A (en) | 1979-11-13 |
DE2627871B1 (de) | 1978-01-05 |
SU828959A3 (ru) | 1981-05-07 |
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