FI20085296A - Menetelmä kipsin puhdistamiseksi - Google Patents
Menetelmä kipsin puhdistamiseksi Download PDFInfo
- Publication number
- FI20085296A FI20085296A FI20085296A FI20085296A FI20085296A FI 20085296 A FI20085296 A FI 20085296A FI 20085296 A FI20085296 A FI 20085296A FI 20085296 A FI20085296 A FI 20085296A FI 20085296 A FI20085296 A FI 20085296A
- Authority
- FI
- Finland
- Prior art keywords
- procedure
- cleaning plaster
- plaster
- cleaning
- Prior art date
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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/28—Magnetic plugs and dipsticks
-
- 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
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- 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
- C01F11/468—Purification of calcium sulfates
-
- 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
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20085296A FI120819B (fi) | 2008-04-09 | 2008-04-09 | Menetelmä kipsin puhdistamiseksi |
CA2720826A CA2720826A1 (en) | 2008-04-09 | 2009-04-08 | Method of purifying gypsum |
CN2009801126767A CN101990520A (zh) | 2008-04-09 | 2009-04-08 | 对石膏进行纯化的方法 |
PCT/FI2009/050263 WO2009125064A1 (en) | 2008-04-09 | 2009-04-08 | Method of purifying gypsum |
EP09730312A EP2279151A1 (en) | 2008-04-09 | 2009-04-08 | Method of purifying gypsum |
US12/936,918 US20110044883A1 (en) | 2008-04-09 | 2009-04-08 | Method of purifying gypsum |
RU2010145327/05A RU2010145327A (ru) | 2008-04-09 | 2009-04-08 | Способ очистки гипса |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20085296 | 2008-04-09 | ||
FI20085296A FI120819B (fi) | 2008-04-09 | 2008-04-09 | Menetelmä kipsin puhdistamiseksi |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20085296A0 FI20085296A0 (fi) | 2008-04-09 |
FI20085296A true FI20085296A (fi) | 2009-10-10 |
FI120819B FI120819B (fi) | 2010-03-31 |
Family
ID=39385924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20085296A FI120819B (fi) | 2008-04-09 | 2008-04-09 | Menetelmä kipsin puhdistamiseksi |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110044883A1 (fi) |
EP (1) | EP2279151A1 (fi) |
CN (1) | CN101990520A (fi) |
CA (1) | CA2720826A1 (fi) |
FI (1) | FI120819B (fi) |
RU (1) | RU2010145327A (fi) |
WO (1) | WO2009125064A1 (fi) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102284463A (zh) * | 2011-06-08 | 2011-12-21 | 湖北三宁化工股份有限公司 | 一种磷石膏湿排干堆处理方法及装置 |
CN102765741B (zh) * | 2012-07-18 | 2014-04-02 | 浙江天蓝环保技术股份有限公司 | 一种白泥/电石渣-石膏法脱硫石膏浆液的分离除杂装置 |
RU2555488C2 (ru) * | 2013-08-20 | 2015-07-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Самарский государственный технический университет | Способ совместной переработки кальцийсодержащего и сульфатсодержащего отходов |
FI125550B (fi) | 2013-11-22 | 2015-11-30 | Teknologian Tutkimuskeskus Vtt Oy | Menetelmä harvinaisten maametallien talteenottamiseksi jätesulfaateista |
CN105314905B (zh) * | 2014-07-21 | 2020-05-12 | 上海国惠环保科技集团有限公司 | 脱硫石膏脱水工艺 |
CN105776304A (zh) * | 2016-02-19 | 2016-07-20 | 江苏夫科技股份有限公司 | 一种脱硫石膏制备α型高强石膏的方法 |
CN106745159A (zh) * | 2016-12-20 | 2017-05-31 | 江苏夫科技股份有限公司 | 一种羟基磷灰石渣制备α型高强石膏的方法 |
CN109467115B (zh) * | 2018-12-06 | 2021-02-23 | 安徽华塑股份有限公司 | 一种电石渣脱硫石膏浆液分离除杂工艺 |
CN109574060A (zh) * | 2018-12-19 | 2019-04-05 | 天津渤化永利化工股份有限公司 | 一种脱硫石膏除杂脱色的方法 |
CN110304852B (zh) * | 2019-08-14 | 2020-10-09 | 江苏一夫科技股份有限公司 | 一种脱硫石膏增白的方法及得到的石膏和用途 |
CN110918251B (zh) * | 2019-10-31 | 2021-08-03 | 昆明理工大学 | 高梯度磁场脱除磷石膏中杂质的方法和装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3676337A (en) * | 1970-07-09 | 1972-07-11 | Massachusetts Inst Technology | Process for magnetic separation |
US3902994A (en) * | 1973-05-16 | 1975-09-02 | Emanuel Maxwell | High gradient type magnetic separator with continuously moving matrix |
US4137293A (en) * | 1977-12-16 | 1979-01-30 | Ishihara Sangyo Kaisha, Ltd. | Producing gypsum and magnetite from ferrous sulfate and separating |
GB2205089B (en) * | 1987-05-22 | 1991-03-13 | Rhein Westfael Elect Werk Ag | Process for production of calcium sulphate alpha-hemihydrate |
FI101787B (fi) * | 1995-11-29 | 1998-08-31 | Kemira Oyj | Kipsin puhdistusmenetelmä |
FI103801B1 (fi) * | 1998-02-24 | 1999-09-30 | Kemira Chemicals Oy | Menetelmä pigmenttien valkaisemiseksi |
US6197200B1 (en) * | 1999-05-11 | 2001-03-06 | Eastroc Llc | Method of purifying flue gas waste slurries for use in gypsum production |
-
2008
- 2008-04-09 FI FI20085296A patent/FI120819B/fi not_active IP Right Cessation
-
2009
- 2009-04-08 WO PCT/FI2009/050263 patent/WO2009125064A1/en active Application Filing
- 2009-04-08 US US12/936,918 patent/US20110044883A1/en not_active Abandoned
- 2009-04-08 CA CA2720826A patent/CA2720826A1/en not_active Abandoned
- 2009-04-08 EP EP09730312A patent/EP2279151A1/en not_active Withdrawn
- 2009-04-08 CN CN2009801126767A patent/CN101990520A/zh active Pending
- 2009-04-08 RU RU2010145327/05A patent/RU2010145327A/ru unknown
Also Published As
Publication number | Publication date |
---|---|
US20110044883A1 (en) | 2011-02-24 |
WO2009125064A1 (en) | 2009-10-15 |
EP2279151A1 (en) | 2011-02-02 |
CN101990520A (zh) | 2011-03-23 |
CA2720826A1 (en) | 2009-10-15 |
FI20085296A0 (fi) | 2008-04-09 |
RU2010145327A (ru) | 2012-05-20 |
FI120819B (fi) | 2010-03-31 |
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