In-Situ XRD studies on the process of hydrogen reduction of Na2CrO4

来源 :The 6th International Conference on Nanoscience and Technolo | 被引量 : 0次 | 上传用户：zhouyiai1015

【摘要】

：

　　As the hydrogen reduction of Na2CrO4 to Cr(Ⅲ)compounds is a principal step in producing Cr2O3,it is necessary to investigate the mechanism of hydrogen redu

【作者】

：

ShutingLiang[1]HonglingZhang[2]MintingLuo[2]YulanBai[3]HongbinXu[2]YiZhang[2]

【机构】

：

National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology,Institute of Pr

【出处】

：

The 6th International Conference on Nanoscience and Technolo

【发表日期】

：

2015年期

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　　As the hydrogen reduction of Na2CrO4 to Cr(Ⅲ)compounds is a principal step in producing Cr2O3,it is necessary to investigate the mechanism of hydrogen reduction.Using in-situ X-ray diffraction(XRD)and Thermogravimetric analysis(TGA),the mechanism of hydrogen reduction of Na2CrO4 was deeply investigated from 30-700℃.The results showed that Na2CrO4 was directly converted to NaCrO2 and NaOH without forming other intermediates(Cr5+or Cr4+),which is unlike the conversion reaction of K2CrO4.

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In-Situ XRD studies on the process of hydrogen reduction of Na2CrO4

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