FR2330124A1 - Procede pour diminuer la precipitation du fluozirconate de calcium - Google Patents

Procede pour diminuer la precipitation du fluozirconate de calcium

Info

Publication number
FR2330124A1
FR2330124A1 FR7324469A FR7324469A FR2330124A1 FR 2330124 A1 FR2330124 A1 FR 2330124A1 FR 7324469 A FR7324469 A FR 7324469A FR 7324469 A FR7324469 A FR 7324469A FR 2330124 A1 FR2330124 A1 FR 2330124A1
Authority
FR
France
Prior art keywords
fluozirconate
precipitation
calcium
reducing
calcium fluozirconate
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.)
Granted
Application number
FR7324469A
Other languages
English (en)
Other versions
FR2330124B1 (fr
Inventor
Billie Joseph Newby
Donald Walter Rhodes
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.)
US Atomic Energy Commission (AEC)
Original Assignee
US Atomic Energy Commission (AEC)
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 US Atomic Energy Commission (AEC) filed Critical US Atomic Energy Commission (AEC)
Publication of FR2330124A1 publication Critical patent/FR2330124A1/fr
Application granted granted Critical
Publication of FR2330124B1 publication Critical patent/FR2330124B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04—Treating liquids
    • G21F9/06—Processing
    • G21F9/14—Processing by incineration; by calcination, e.g. desiccation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/001—Calcining
    • B01J6/004—Calcining using hot gas streams in which the material is moved
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/006—Compounds containing, besides zirconium, two or more other elements, with the exception of oxygen or hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Removal Of Specific Substances (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Compositions Of Oxide Ceramics (AREA)
FR7324469A 1972-07-03 1973-07-03 Procede pour diminuer la precipitation du fluozirconate de calcium Granted FR2330124A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26826272A 1972-07-03 1972-07-03

Publications (2)

Publication Number Publication Date
FR2330124A1 true FR2330124A1 (fr) 1977-05-27
FR2330124B1 FR2330124B1 (fr) 1978-02-17

Family

ID=23022184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7324469A Granted FR2330124A1 (fr) 1972-07-03 1973-07-03 Procede pour diminuer la precipitation du fluozirconate de calcium

Country Status (8)

Country Link
US (1) US3781217A (fr)
JP (1) JPS4952761A (fr)
BE (1) BE801654A (fr)
CA (1) CA977976A (fr)
DE (1) DE2333642A1 (fr)
FR (1) FR2330124A1 (fr)
GB (1) GB1392414A (fr)
IT (1) IT990869B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954661A (en) * 1974-09-10 1976-05-04 The United States Of America As Represented By The United States Energy Research And Development Administration Calcination process for radioactive wastes
JPS5832642Y2 (ja) * 1975-11-22 1983-07-20 アイワソウギヨウ カブシキガイシヤ スリツパ
US4164479A (en) * 1978-01-12 1979-08-14 The United States Of America As Represented By The United States Department Of Energy Method for calcining nuclear waste solutions containing zirconium and halides
JPH0695155B2 (ja) * 1990-03-15 1994-11-24 動力炉・核燃料開発事業団 高放射性廃棄物の処理方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
RAPPORT ICP 1022 MICROFILM AVRIL 1973, USAEC. "IDAHO CHEMICAL PROGRAMS ANNUAL TECHNICAL REPORT, FISCAL YEAR 1972. 112 PAGES, PAGES 54 A 55, PARAGRAPHE 2.2. "EFFECT OF BORON ON COMPLEXING OF ZIRCONIUM-FLUORIDE WASTES WITH CALCIUM NITRATE" PAR NEWBY & WILDING.) *

Also Published As

Publication number Publication date
BE801654A (fr) 1973-10-15
DE2333642A1 (de) 1974-01-24
CA977976A (en) 1975-11-18
GB1392414A (en) 1975-04-30
FR2330124B1 (fr) 1978-02-17
US3781217A (en) 1973-12-25
JPS4952761A (fr) 1974-05-22
IT990869B (it) 1975-07-10

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Legal Events

Date Code Title Description
ST Notification of lapse