GB1464795A - Process for treating liquid wastes - Google Patents

Process for treating liquid wastes

Info

Publication number
GB1464795A
GB1464795A GB2190074A GB2190074A GB1464795A GB 1464795 A GB1464795 A GB 1464795A GB 2190074 A GB2190074 A GB 2190074A GB 2190074 A GB2190074 A GB 2190074A GB 1464795 A GB1464795 A GB 1464795A
Authority
GB
United Kingdom
Prior art keywords
resin
methylcellulose
effluents
anion exchange
ammonia
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
GB2190074A
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.)
Agip Nucleare SpA
Original Assignee
Agip Nucleare SpA
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 Agip Nucleare SpA filed Critical Agip Nucleare SpA
Publication of GB1464795A publication Critical patent/GB1464795A/en
Expired 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
    • G21F9/12—Processing by absorption; by adsorption; by ion-exchange
    • 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
    • B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
    • B01J41/04—Processes using organic exchangers
    • B01J41/05—Processes using organic exchangers in the strongly basic form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

1464795 Treating liquid effluents from nuclear fuel microsphere production AGIP NUCLEARE SpA 16 May 1974 [17 May 1973] 21900/74 Heading C1A A process for the treatment of liquid effluents produced during the production of nuclear fuel (e.g. ammonium uranate) microspheres which effluents include ammonium nitrate, tetrahydrofurfuryl alcohol and a methylcellulose, comprises: (a) separating the nitrate ions on a strongly basic anion exchange resin to replace nitrate ions by hydroxyl, (b) distilling off ammonia from the effluents, (c) absorbing the distilled ammonia in washing water, which has been used to wash the microspheres, and (d) concentrating the methylcellulose and tetrahydrofurfuryl alcohol. The distillation of ammonia may be carried out before or after treatment with the anion exchange resin. The methylcellulose and tetrahydrofurfuryl alcohol may be concentrated by distillation of the water, and may be first separated on a suitable resin, e.g. a Sephadex (Registered Trade Mark) resin. This resin and the anion exchange resin may be used together in a mixed bed.
GB2190074A 1973-05-17 1974-05-16 Process for treating liquid wastes Expired GB1464795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24210/73A IT987662B (en) 1973-05-17 1973-05-17 SYSTEM FOR THE TREATMENT OF LIQUID WASTE ARISING FROM THE APPLICATION OF PROCESSES OF PRODUCTION OF MICROSPHERES WITH RECOVERY AND RECYCLING OF THE MAIN COMPONENTS

Publications (1)

Publication Number Publication Date
GB1464795A true GB1464795A (en) 1977-02-16

Family

ID=11212561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2190074A Expired GB1464795A (en) 1973-05-17 1974-05-16 Process for treating liquid wastes

Country Status (4)

Country Link
DE (1) DE2424084C3 (en)
FR (1) FR2237281B1 (en)
GB (1) GB1464795A (en)
IT (1) IT987662B (en)

Also Published As

Publication number Publication date
IT987662B (en) 1975-03-20
DE2424084B2 (en) 1975-04-30
FR2237281B1 (en) 1977-03-11
DE2424084A1 (en) 1974-11-28
FR2237281A1 (en) 1975-02-07
DE2424084C3 (en) 1975-12-11

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19940515