GB2246726B - Process for purifying electrostatically recovered rock salt - Google Patents

Process for purifying electrostatically recovered rock salt

Info

Publication number
GB2246726B
GB2246726B GB9117163A GB9117163A GB2246726B GB 2246726 B GB2246726 B GB 2246726B GB 9117163 A GB9117163 A GB 9117163A GB 9117163 A GB9117163 A GB 9117163A GB 2246726 B GB2246726 B GB 2246726B
Authority
GB
United Kingdom
Prior art keywords
purifying
rock salt
electrostatically recovered
recovered rock
electrostatically
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 - Fee Related
Application number
GB9117163A
Other versions
GB9117163D0 (en
GB2246726A (en
Inventor
Hans-Joachim Scharf
Klaus Baier
Ulrich Neitzel
Helmut Zentgraf
Fritz Hagedorn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
K+S AG
Original Assignee
K+S AG
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.)
Filing date
Publication date
Application filed by K+S AG filed Critical K+S AG
Publication of GB9117163D0 publication Critical patent/GB9117163D0/en
Publication of GB2246726A publication Critical patent/GB2246726A/en
Application granted granted Critical
Publication of GB2246726B publication Critical patent/GB2246726B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/012—Organic compounds containing sulfur
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C7/00—Separating solids from solids by electrostatic effect
    • B03C7/003—Pretreatment of the solids prior to electrostatic separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2203/00—Specified materials treated by the flotation agents; specified applications
    • B03D2203/02—Ores
    • B03D2203/04—Non-sulfide ores
    • B03D2203/10—Potassium ores
GB9117163A 1990-08-10 1991-08-08 Process for purifying electrostatically recovered rock salt Expired - Fee Related GB2246726B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4025371A DE4025371A1 (en) 1990-08-10 1990-08-10 PROCESS FOR CLEANING ELECTROSTATICALLY OBTAINED STONE SALT

Publications (3)

Publication Number Publication Date
GB9117163D0 GB9117163D0 (en) 1991-09-25
GB2246726A GB2246726A (en) 1992-02-12
GB2246726B true GB2246726B (en) 1994-07-20

Family

ID=6412003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9117163A Expired - Fee Related GB2246726B (en) 1990-08-10 1991-08-08 Process for purifying electrostatically recovered rock salt

Country Status (5)

Country Link
DE (1) DE4025371A1 (en)
ES (1) ES2036465B1 (en)
FR (1) FR2665696B1 (en)
GB (1) GB2246726B (en)
IT (1) IT1249822B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4422034C1 (en) * 1994-06-23 1995-08-31 Kali & Salz Ag High grade sodium chloride purificn. by leaching and flotation
RU2555906C1 (en) * 2014-02-11 2015-07-10 Закрытое акционерное общество ВНИИ Галургии (ЗАО ВНИИ Галургии) Method of processing potassium-containing ores

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1938974A1 (en) * 1969-07-31 1971-04-15 Kali & Salz Ag Electrostatic separation and flotation of - potassium salt to raise potassium oxide yield
DE2125286A1 (en) * 1971-05-21 1972-11-30 Kali Forschungs Anstalt Electrostatic separation of kieserite and sylvite in rock salt - by addn of specific inorganic ammonium salts
DE3127946C1 (en) * 1981-07-15 1983-01-27 Kali Und Salz Ag, 3500 Kassel Process for producing potassium salts
EP0266600A2 (en) * 1986-11-03 1988-05-11 Kali + Salz Ag Process for preparing magnesium sulphates
EP0266559A2 (en) * 1986-10-06 1988-05-11 Hoechst Japan Limited Therapeutic agent for the treatment of peptic ulcer disease

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1283772B (en) * 1967-12-13 1968-11-28 Kali Forschungs Anstalt Process for the electrostatic processing of crude potash salts
DE1792120B1 (en) * 1968-07-24 1972-04-27 Kali & Salz Ag PROCESS FOR THE ELECTROSTATIC PROCESSING OF KIESERITE CONTAINING POTASSIUM SALT
US3675773A (en) * 1969-08-06 1972-07-11 Occidental Petroleum Corp Flotation separation of glaserite from sodium chloride and other salts
DE1953534C3 (en) * 1969-10-24 1974-03-14 Kali Und Salz Ag, 3500 Kassel Process for the electrostatic treatment of crude potash salts containing Kiesent
DE3146295C1 (en) * 1981-11-23 1983-04-07 Kali Und Salz Ag, 3500 Kassel Method of electrostatically separating ground potash ores
GB2174019B (en) * 1985-04-19 1988-02-03 Coal Ind Improvements in froth flotation
EP0231441B1 (en) * 1986-02-03 1991-01-16 Kali + Salz Ag Process and apparatus for the electrostatic separation of salt mixtures
DE3825434C1 (en) * 1988-07-27 1989-11-02 Kali Und Salz Ag, 3500 Kassel, De Obtaining useful substances from crude kieseritic potassium salt - comprises grinding, adding conditioning agent, charging salt triboelectrically, sepg. salt electrostatically etc.
DE3836891A1 (en) * 1988-10-29 1990-05-03 Henkel Kgaa BORDER-ACTIVE FAT-ACID STARTER AND / OR FAT-SAFER DERIVATIVES AS COLLECTORS IN THE FLOTATION OF NON-SULFIDIC ORNAMENTS

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1938974A1 (en) * 1969-07-31 1971-04-15 Kali & Salz Ag Electrostatic separation and flotation of - potassium salt to raise potassium oxide yield
DE2125286A1 (en) * 1971-05-21 1972-11-30 Kali Forschungs Anstalt Electrostatic separation of kieserite and sylvite in rock salt - by addn of specific inorganic ammonium salts
DE3127946C1 (en) * 1981-07-15 1983-01-27 Kali Und Salz Ag, 3500 Kassel Process for producing potassium salts
EP0266559A2 (en) * 1986-10-06 1988-05-11 Hoechst Japan Limited Therapeutic agent for the treatment of peptic ulcer disease
EP0266600A2 (en) * 1986-11-03 1988-05-11 Kali + Salz Ag Process for preparing magnesium sulphates

Also Published As

Publication number Publication date
GB9117163D0 (en) 1991-09-25
FR2665696A1 (en) 1992-02-14
GB2246726A (en) 1992-02-12
DE4025371C2 (en) 1992-08-20
FR2665696B1 (en) 1993-08-27
ITRM910578A0 (en) 1991-07-31
DE4025371A1 (en) 1992-02-13
ES2036465B1 (en) 1994-04-01
ITRM910578A1 (en) 1993-01-31
ES2036465A1 (en) 1993-05-16
IT1249822B (en) 1995-03-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020808