GB1325936A - Process for preparing superphosphoric acid - Google Patents

Process for preparing superphosphoric acid

Info

Publication number
GB1325936A
GB1325936A GB2367571*A GB2367571A GB1325936A GB 1325936 A GB1325936 A GB 1325936A GB 2367571 A GB2367571 A GB 2367571A GB 1325936 A GB1325936 A GB 1325936A
Authority
GB
United Kingdom
Prior art keywords
evaporator
enters
inlet
plate
before leaving
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
Application number
GB2367571*A
Other languages
English (en)
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.)
Parkson Corp
Original Assignee
Parkson Corp
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 Parkson Corp filed Critical Parkson Corp
Publication of GB1325936A publication Critical patent/GB1325936A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C01B25/24—Condensed phosphoric acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
GB2367571*A 1970-03-10 1971-04-19 Process for preparing superphosphoric acid Expired GB1325936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1810070A 1970-03-10 1970-03-10

Publications (1)

Publication Number Publication Date
GB1325936A true GB1325936A (en) 1973-08-08

Family

ID=21786241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2367571*A Expired GB1325936A (en) 1970-03-10 1971-04-19 Process for preparing superphosphoric acid

Country Status (5)

Country Link
CA (1) CA941132A (enExample)
DE (1) DE2111544A1 (enExample)
FR (1) FR2083999A5 (enExample)
GB (1) GB1325936A (enExample)
ZA (1) ZA711015B (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002662A1 (en) * 1983-01-14 1984-07-19 Risto Saari Combined falling film and rising film evaporator
US5270869A (en) * 1992-12-23 1993-12-14 Eastman Kodak Company Passively athermalized optical assembly incorporating laminate fiber compensation ring
US5270870A (en) * 1992-12-23 1993-12-14 Eastman Kodak Company Athermalized beam source and collimator lens assembly
US5313333A (en) * 1992-12-23 1994-05-17 Estman Kodak Company Method and apparatus for combined active and passive athermalization of an optical assembly
CN106064809A (zh) * 2016-05-27 2016-11-02 云南派博科技有限公司 一种高温气体直接加热浓缩湿法磷酸制备过磷酸的方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550180B1 (fr) * 1983-08-05 1985-10-04 Generale Engrais Sa Procede perfectionne de fabrication d'acide phosphorique
FR2567503B2 (fr) * 1983-08-05 1986-11-28 Cdf Chimie Azote Fertilisants Procede perfectionne de fabrication d'acide phosphorique

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002662A1 (en) * 1983-01-14 1984-07-19 Risto Saari Combined falling film and rising film evaporator
US5270869A (en) * 1992-12-23 1993-12-14 Eastman Kodak Company Passively athermalized optical assembly incorporating laminate fiber compensation ring
US5270870A (en) * 1992-12-23 1993-12-14 Eastman Kodak Company Athermalized beam source and collimator lens assembly
US5313333A (en) * 1992-12-23 1994-05-17 Estman Kodak Company Method and apparatus for combined active and passive athermalization of an optical assembly
CN106064809A (zh) * 2016-05-27 2016-11-02 云南派博科技有限公司 一种高温气体直接加热浓缩湿法磷酸制备过磷酸的方法
CN106064809B (zh) * 2016-05-27 2018-10-02 云南磷化集团有限公司 一种高温气体直接加热浓缩湿法磷酸制备过磷酸的方法

Also Published As

Publication number Publication date
CA941132A (en) 1974-02-05
FR2083999A5 (enExample) 1971-12-17
ZA711015B (en) 1971-12-29
DE2111544A1 (de) 1971-09-23

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees