2017年5月13日 · Four different methods for the conversion of UF 6 to ceramic grade UO 2 powder have been developed to an industrial scale. Two of them, the ADU and AUC …

2017年8月29日 · Conversion of UF6 to UO2 can be performed by one of three processes. In the first, UF6 is reduced and hydrolyzed to UO2 using hydrogen and steam. In the second, UF6 is …

Uranium hexafluoride, sometimes called hex, is an inorganic compound with the formula U F 6. Uranium hexafluoride is a volatile, toxic white solid that is used in the process of enriching …

1991年11月1日 · Experimental results showed that UO 2 pellets with sintered density higher than 98% TD were achieved. A set of quasi-optimum conditions for this process was also proposed.

2017年5月19日 · The feasibility of preparing UO 2 powder in a flame reactor was demonstrated by reacting UF 6 with hydrogen and oxygen. In the flame reactor, the reactants combine in a …

A process for conversion of gaseous UF6 to UO2 powders by using a fluidized bed reaction apparatus comprising pyrohydrolizing gaseous UF6 and steam to obtain UO2F2 particles, …

2009年11月1日 · This paper demonstrates that NF 3 fluorinates uranium metal, UO 2, UF 4, UO 3, U 3 O 8, and UO 2 F 2 ·2H 2 O to produce the volatile UF 6 at temperatures between 100 …

六氟化铀是一种无机化合物，分子式为uf6。常温常压下为无色或淡黄色晶体。具有放射性。相对密度4.68～5.09。熔点64.5～64.8℃(三相点温度)。沸点56.4℃。它是由四氟化铀在氟气流中加 …

uf6经auc热解还原制备陶瓷级uo2是德国研制出来的一种湿法流程。 该流程包括气态uf6与nh3（气）和co2（气）在水相的反应、auc结晶生成、晶体过滤、洗涤和热解还原等工序，最后制 …

Here the enriched UF6 is heated into a gas and chemically treated to form uranium dioxide (UO2) powder. The UO2 is then compressed into ceramic pellets about the size of a fingertip — …