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- Ammonium_uranyl_carbonate abstract "Ammonium uranyl carbonate (UO2CO3·2(NH4)2CO3) is known in the uranium processing industry as AUC and is also called uranyl ammonium carbonate. This compound is important as a component in the conversion process of uranium hexafluoride (UF6) to uranium dioxide (UO2). The ammonium uranyl carbonate is combined with steam and hydrogen at 500–600 °C to yield UO2. In another process aqueous uranyl nitrate, known as uranyl nitrate liquor (UNL) is treated with ammonium bicarbonate to form ammonium uranyl carbonate as a solid precipitate. This is separated from the solution, dried with methanol and then calcinated with hydrogen directly to UO2 to obtain a sinterable grade powder. The ex-AUC uranium dioxide powder is free-flowing, relatively coarse (10 µ) and porous with specific surface area in the range of 5 m2/g and suitable for direct pelletisation, avoiding the granulation step. Conversion to UO2 is often performed as the first stage of nuclear fuel fabrication.The AUC process is followed in South Korea and Argentina. In the AUC route, calcination, reduction and stabilization are simultaneously carried out in a vertical fluidized bed reactor. In most countries, sinterable grade UO2 powder for nuclear fuel is obtained by the ammonium diuranate (ADU) process, which requires several more steps.Ammonium uranyl carbonate is also one of the many forms called yellowcake; in this case it is the product obtained by the heap leach process.".
- Ammonium_uranyl_carbonate iupacName "uranium(VI)dioxide di-ammonium carbonate".
- Ammonium_uranyl_carbonate thumbnail Uranyl-ammonium-carbonate-3D-balls.png?width=300.
- Ammonium_uranyl_carbonate wikiPageID "4402513".
- Ammonium_uranyl_carbonate wikiPageRevisionID "600710390".
- Ammonium_uranyl_carbonate hasPhotoCollection Ammonium_uranyl_carbonate.
- Ammonium_uranyl_carbonate imagefile "Uranyl-ammonium-carbonate-3D-balls.png".
- Ammonium_uranyl_carbonate imagename "Ball-and-stick model of the component ions of ammonium uranyl carbonate, showing one uranyl cation , two ammonium cations and two carbonate anions .".
- Ammonium_uranyl_carbonate imagesize "240".
- Ammonium_uranyl_carbonate iupacname "uraniumdioxide di-ammonium carbonate".
- Ammonium_uranyl_carbonate name "Ammonium uranyl carbonate".
- Ammonium_uranyl_carbonate othernames "uranyl ammonium carbonate".
- Ammonium_uranyl_carbonate verifiedrevid "418034556".
- Ammonium_uranyl_carbonate subject Category:Ammonium_compounds.
- Ammonium_uranyl_carbonate subject Category:Carbonates.
- Ammonium_uranyl_carbonate subject Category:Nuclear_materials.
- Ammonium_uranyl_carbonate subject Category:Uranyl_compounds.
- Ammonium_uranyl_carbonate type Abstraction100002137.
- Ammonium_uranyl_carbonate type AmmoniumCompounds.
- Ammonium_uranyl_carbonate type Carbonate114798450.
- Ammonium_uranyl_carbonate type Carbonates.
- Ammonium_uranyl_carbonate type Chemical114806838.
- Ammonium_uranyl_carbonate type Cognition100023271.
- Ammonium_uranyl_carbonate type Compound105870180.
- Ammonium_uranyl_carbonate type Compound114818238.
- Ammonium_uranyl_carbonate type Concept105835747.
- Ammonium_uranyl_carbonate type Content105809192.
- Ammonium_uranyl_carbonate type Idea105833840.
- Ammonium_uranyl_carbonate type Material114580897.
- Ammonium_uranyl_carbonate type Matter100020827.
- Ammonium_uranyl_carbonate type NuclearMaterials.
- Ammonium_uranyl_carbonate type Part113809207.
- Ammonium_uranyl_carbonate type PhysicalEntity100001930.
- Ammonium_uranyl_carbonate type PsychologicalFeature100023100.
- Ammonium_uranyl_carbonate type Relation100031921.
- Ammonium_uranyl_carbonate type Salt115010703.
- Ammonium_uranyl_carbonate type Substance100019613.
- Ammonium_uranyl_carbonate type UranylCompounds.
- Ammonium_uranyl_carbonate type Whole105869584.
- Ammonium_uranyl_carbonate type ChemicalCompound.
- Ammonium_uranyl_carbonate type ChemicalSubstance.
- Ammonium_uranyl_carbonate type ChemicalSubstanceType.
- Ammonium_uranyl_carbonate type ChemicalObject.
- Ammonium_uranyl_carbonate type Thing.
- Ammonium_uranyl_carbonate comment "Ammonium uranyl carbonate (UO2CO3·2(NH4)2CO3) is known in the uranium processing industry as AUC and is also called uranyl ammonium carbonate. This compound is important as a component in the conversion process of uranium hexafluoride (UF6) to uranium dioxide (UO2). The ammonium uranyl carbonate is combined with steam and hydrogen at 500–600 °C to yield UO2.".
- Ammonium_uranyl_carbonate label "Ammonium uranyl carbonate".
- Ammonium_uranyl_carbonate label "Carbonate mixte d'ammonium et d'uranyle".
- Ammonium_uranyl_carbonate sameAs Carbonate_mixte_d'ammonium_et_d'uranyle.
- Ammonium_uranyl_carbonate sameAs m.0c0b90.
- Ammonium_uranyl_carbonate sameAs Q2937944.
- Ammonium_uranyl_carbonate sameAs Q2937944.
- Ammonium_uranyl_carbonate sameAs Ammonium_uranyl_carbonate.
- Ammonium_uranyl_carbonate wasDerivedFrom Ammonium_uranyl_carbonate?oldid=600710390.
- Ammonium_uranyl_carbonate depiction Uranyl-ammonium-carbonate-3D-balls.png.
- Ammonium_uranyl_carbonate isPrimaryTopicOf Ammonium_uranyl_carbonate.
- Ammonium_uranyl_carbonate name "Ammonium uranyl carbonate".
