FR2107520A5 - - Google Patents

Info

Publication number
FR2107520A5
FR2107520A5 FR7132696A FR7132696A FR2107520A5 FR 2107520 A5 FR2107520 A5 FR 2107520A5 FR 7132696 A FR7132696 A FR 7132696A FR 7132696 A FR7132696 A FR 7132696A FR 2107520 A5 FR2107520 A5 FR 2107520A5
Authority
FR
France
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
FR7132696A
Other languages
French (fr)
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.)
UNDE FRIEDRICH GmbH
Original Assignee
UNDE FRIEDRICH GmbH
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
Priority claimed from DE19702045180 external-priority patent/DE2045180C3/de
Application filed by UNDE FRIEDRICH GmbH filed Critical UNDE FRIEDRICH GmbH
Application granted granted Critical
Publication of FR2107520A5 publication Critical patent/FR2107520A5/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
    • B01D3/346—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas the gas being used for removing vapours, e.g. transport gas
    • 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
    • C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7132696A 1970-09-12 1971-09-10 Expired FR2107520A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702045180 DE2045180C3 (de) 1970-09-12 Verfahren zur Konzentrierung schwacher Phosphorsäure

Publications (1)

Publication Number Publication Date
FR2107520A5 true FR2107520A5 (enExample) 1972-05-05

Family

ID=5782268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7132696A Expired FR2107520A5 (enExample) 1970-09-12 1971-09-10

Country Status (5)

Country Link
US (1) US3781410A (enExample)
BE (1) BE770916A (enExample)
FR (1) FR2107520A5 (enExample)
GB (1) GB1362388A (enExample)
NL (1) NL7108821A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233278A (en) * 1978-03-24 1980-11-11 Davy Powergas Inc. Process for purifying crude phosphoric acid
EA015200B1 (ru) * 2009-04-20 2011-06-30 Открытое Акционерное Общество "Научно-Исследовательский Институт По Удобрениям И Инсектофунгицидам Им. Профессора Я.В. Самойлова" Способ концентрирования и обесфторивания фосфорной кислоты
CN115944940A (zh) * 2022-12-15 2023-04-11 昆明川金诺化工股份有限公司 一种湿法浓磷酸生产饲料级磷酸钙盐用高效脱氟塔及脱氟系统
CN116621135A (zh) * 2023-06-20 2023-08-22 瓮福（集团）有限责任公司 一种浓磷酸再浓缩方法

Also Published As

Publication number Publication date
GB1362388A (en) 1974-08-07
BE770916A (fr) 1971-12-16
US3781410A (en) 1973-12-25
DE2045180B2 (de) 1975-10-23
NL7108821A (enExample) 1972-03-14
DE2045180A1 (de) 1972-03-16

Similar Documents

Publication Publication Date Title
FR2100260A5 (enExample)
FR2118049B1 (enExample)
FR2115349A1 (enExample)
FR2115352A3 (enExample)
FR2119984A1 (enExample)
FR2098449A1 (enExample)
FR2131282A5 (enExample)
HU162364B (enExample)
FR2116264A1 (enExample)
FR2116717A5 (enExample)
DE2055863A1 (enExample)
JPS4634211B1 (enExample)
JPS4812429Y1 (enExample)
JPS4724831Y1 (enExample)
FR2116798A5 (enExample)
DE2046767C3 (enExample)
FR2118836A7 (enExample)
FR2118940B1 (enExample)
FR2120366A5 (enExample)
FR2098710A5 (enExample)
FR2098509A6 (enExample)
JPS4739283Y1 (enExample)
JPS4812844Y1 (enExample)
JPS4734891Y1 (enExample)
JPS4812930B1 (enExample)

Legal Events

Date Code Title Description
ST Notification of lapse