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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 wikiPageLength "2619".
- Ammonium_uranyl_carbonate wikiPageOutDegree "15".
- Ammonium_uranyl_carbonate wikiPageRevisionID "600710390".
- Ammonium_uranyl_carbonate wikiPageWikiLink Ammonium_bicarbonate.
- Ammonium_uranyl_carbonate wikiPageWikiLink Ammonium_diuranate.
- Ammonium_uranyl_carbonate wikiPageWikiLink Category:Ammonium_compounds.
- Ammonium_uranyl_carbonate wikiPageWikiLink Category:Carbonates.
- Ammonium_uranyl_carbonate wikiPageWikiLink Category:Nuclear_materials.
- Ammonium_uranyl_carbonate wikiPageWikiLink Category:Uranyl_compounds.
- Ammonium_uranyl_carbonate wikiPageWikiLink Hydrogen.
- Ammonium_uranyl_carbonate wikiPageWikiLink Methanol.
- Ammonium_uranyl_carbonate wikiPageWikiLink Nuclear_fuel.
- Ammonium_uranyl_carbonate wikiPageWikiLink Steam.
- Ammonium_uranyl_carbonate wikiPageWikiLink Uranium.
- Ammonium_uranyl_carbonate wikiPageWikiLink Uranium_dioxide.
- Ammonium_uranyl_carbonate wikiPageWikiLink Uranium_hexafluoride.
- Ammonium_uranyl_carbonate wikiPageWikiLink Uranyl_nitrate.
- Ammonium_uranyl_carbonate wikiPageWikiLink Yellowcake.
- Ammonium_uranyl_carbonate wikiPageWikiLinkText "Ammonium uranyl carbonate".
- 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 wikiPageUsesTemplate Template:Chembox.
- Ammonium_uranyl_carbonate wikiPageUsesTemplate Template:Unreferenced.
- Ammonium_uranyl_carbonate wikiPageUsesTemplate Template:Uranium_compounds.
- 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 Article.
- Ammonium_uranyl_carbonate type ChemicalCompound.
- Ammonium_uranyl_carbonate type ChemicalSubstance.
- Ammonium_uranyl_carbonate type Article.
- Ammonium_uranyl_carbonate type Oxide.
- Ammonium_uranyl_carbonate type Teratogen.
- Ammonium_uranyl_carbonate type ChemicalObject.
- Ammonium_uranyl_carbonate type Thing.
- Ammonium_uranyl_carbonate type Q11173.
- 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 sameAs Amonia_uranila_karbonato.
- Ammonium_uranyl_carbonate sameAs آمونیوم_اورانیل_کربنات.
- Ammonium_uranyl_carbonate sameAs Carbonate_mixte_dammonium_et_duranyle.
- Ammonium_uranyl_carbonate sameAs m.0c0b90.
- Ammonium_uranyl_carbonate sameAs Q2937944.
- Ammonium_uranyl_carbonate sameAs Q2937944.
- 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".