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lcw0411

金虫 (正式写手)

[求助] 关于铜

关于铜的一些化合物,想跟大家交流一下,
    CuCl2在993℃才能分解为CuCl和Cl2,那要是负载在载体上之后有没有可能这个分解温度会提前呢?  
    CuO+Cl2能不能生成CuCl呢?
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luke_zhao

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【答案】应助回帖

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感谢参与,应助指数 +1
非文王木木: 金币+2, 感谢应助···欢迎常来 2013-07-10 13:47:01
lcw0411: 金币+10, ★★★很有帮助 2013-07-10 14:36:41
CuCl2在993℃才能分解为CuCl和Cl2 需要这么高的温度吗? 你做一个TGA或者TG-MS看一下。

Oxygen Evolution in Time at Different Temperatures in CuO + 1/2Cl2 = CuCl(CuCl2) + 1/2O2.
Reaction Conditions: Fixed Bed Reactor, Reactants =  CuO and Cl2, Cl2 Flow Rate = 20 cm3/min.
oxygen evolution started at 380°C and terminated at 500°C with 100% yield. The reaction towards the CuCl2 formation is thermodynamically favored at lower temperatures, but at higher temperatures CuCl is formed whose melting facilitates the chlorine diffusion to the CuO particles. The XRD of the solid product indicated that at low temperatures the phase is a mixture of CuCl and CuCl2, while at higher temperatures the solid phase consists of CuCl.
你可以重复一下这个实验看看。

Kinetic Study of the Hydrogen and Oxygen Production Reactions in the
Copper-Chloride Thermochemical Cycle 参考一下。

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  • 2013-07-10 10:54:12, 158.62 K
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2楼2013-07-10 10:54:46
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lcw0411

金虫 (正式写手)

引用回帖:
2楼: Originally posted by luke_zhao at 2013-07-10 10:54:46
CuCl2在993℃才能分解为CuCl和Cl2 需要这么高的温度吗? 你做一个TGA或者TG-MS看一下。

Oxygen Evolution in Time at Different Temperatures in CuO + 1/2Cl2 = CuCl(CuCl2) + 1/2O2.
Reaction Conditions: F ...

谢谢,回去试试
坚持就是胜利!
3楼2013-07-10 14:36:51
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