CN101423204B - 通过分级结晶纯化磷酸的方法和设备 - Google Patents

通过分级结晶纯化磷酸的方法和设备 Download PDF

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Publication number
CN101423204B
CN101423204B CN2008102128127A CN200810212812A CN101423204B CN 101423204 B CN101423204 B CN 101423204B CN 2008102128127 A CN2008102128127 A CN 2008102128127A CN 200810212812 A CN200810212812 A CN 200810212812A CN 101423204 B CN101423204 B CN 101423204B
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China
Prior art keywords
phosphoric acid
crystallization
acid
input mixture
heat
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CN2008102128127A
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English (en)
Chinese (zh)
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CN101423204A (zh
Inventor
T·瓦萨洛
P·盖拉德
M·斯特彭斯基
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.)
Sulzer Management AG
Febex SA
Original Assignee
Sulzer Chemtech AG
Febex SA
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Publication of CN101423204A publication Critical patent/CN101423204A/zh
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • 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
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/237—Selective elimination of impurities
    • C01B25/238—Cationic impurities, e.g. arsenic compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Removal Of Specific Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CN2008102128127A 2007-09-06 2008-09-05 通过分级结晶纯化磷酸的方法和设备 Active CN101423204B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01401/07A CH701939B1 (de) 2007-09-06 2007-09-06 Verfahren und Vorrichtung zur Reinigung von wässriger Phosphorsäure.
CH01401/07 2007-09-06

Publications (2)

Publication Number Publication Date
CN101423204A CN101423204A (zh) 2009-05-06
CN101423204B true CN101423204B (zh) 2012-11-14

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Family Applications (1)

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CN2008102128127A Active CN101423204B (zh) 2007-09-06 2008-09-05 通过分级结晶纯化磷酸的方法和设备

Country Status (5)

Country Link
JP (1) JP5566585B2 (de)
KR (1) KR101524742B1 (de)
CN (1) CN101423204B (de)
CH (1) CH701939B1 (de)
TW (1) TWI491559B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2471739A1 (de) * 2011-01-04 2012-07-04 Solvay Sa Reinigungsverfahren für Phosphorsäure
CN105026007B (zh) * 2013-01-14 2018-09-21 苏舍化学技术有限公司 多段结晶方法及纯化化合物的装置
CN105668535B (zh) * 2015-12-31 2017-10-20 贵州开磷集团股份有限公司 一种湿法磷酸浓缩方法以及装置
CN112661722B (zh) * 2021-01-30 2024-04-02 蔚林新材料科技股份有限公司 一种新型精制2-巯基苯并噻唑的绿色清洁工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890097A (en) * 1974-05-06 1975-06-17 Agrico Chem Co Method of purifying wet process phosphoric acid
US4655790A (en) * 1985-05-08 1987-04-07 Freeport Research And Development Company Phosphoric acid crystallization process
CN1403367A (zh) * 2002-09-28 2003-03-19 云南三环化工有限公司 一种湿法磷酸净化处理方法
CN1843900A (zh) * 2006-05-08 2006-10-11 朱健 熔融结晶法制备电子级磷酸的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4487750A (en) * 1983-08-01 1984-12-11 Freeport Minerals Company Stabilization of wet process phosphoric acid
US4655789A (en) * 1985-05-08 1987-04-07 Freeport Research And Engineering Company Phosphoric acid crystallization process
JP3131433B2 (ja) * 1989-12-21 2001-01-31 日本化学工業株式会社 高純度リン酸の製造方法
JPH0716563A (ja) * 1993-06-30 1995-01-20 Tosoh Corp 燐酸イオン含有水溶液から燐酸イオンを分離する方法
JP3382561B2 (ja) * 1999-06-28 2003-03-04 日本化学工業株式会社 高純度リン酸
KR20040095151A (ko) * 2003-05-06 2004-11-12 류광현 인산의 정제방법
KR100582524B1 (ko) * 2004-06-25 2006-05-23 주식회사 에이제이테크 인산 함유 폐식각액의 재생방법
JP4766858B2 (ja) * 2004-09-02 2011-09-07 日本リファイン株式会社 リン酸およびリン酸以外の少なくとも１種の酸とを含む金属含有混酸水溶液からリン酸を回収する方法および装置
JP2008247733A (ja) * 2007-03-14 2008-10-16 Niro Process Technology Bv リン酸リッチストリームの精製

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890097A (en) * 1974-05-06 1975-06-17 Agrico Chem Co Method of purifying wet process phosphoric acid
US4655790A (en) * 1985-05-08 1987-04-07 Freeport Research And Development Company Phosphoric acid crystallization process
CN1403367A (zh) * 2002-09-28 2003-03-19 云南三环化工有限公司 一种湿法磷酸净化处理方法
CN1843900A (zh) * 2006-05-08 2006-10-11 朱健 熔融结晶法制备电子级磷酸的方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2006-69845A 2006.03.16

Also Published As

Publication number Publication date
TWI491559B (zh) 2015-07-11
TW200916409A (en) 2009-04-16
JP2009096709A (ja) 2009-05-07
KR101524742B1 (ko) 2015-05-29
KR20090026087A (ko) 2009-03-11
JP5566585B2 (ja) 2014-08-06
CH701939B1 (de) 2011-04-15
CN101423204A (zh) 2009-05-06

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Effective date of registration: 20230407

Address after: Winterthur Switzerland

Patentee after: SULZER MANAGEMENT AG

Patentee after: FEBEX S.A.

Address before: Winterthur Switzerland

Patentee before: Sulzer Chemtech AG

Patentee before: FEBEX S.A.

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