Preparation of inorganic hydrophobic catalysts used in tritium processing

YANG Yong WANG Heyi DU Yang JIANG Shubin

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Preparation of inorganic hydrophobic catalysts used in tritium processing

更新时间：2021-03-05

- Preparation of inorganic hydrophobic catalysts used in tritium processing
- NUCLEAR TECHNIQUES Vol. 33, Issue 3, (2010)
- 作者机构：
  
  中国工程物理研究院核物理与化学研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701
- Published：01 March 2010
- 稿件说明：
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[1]杨勇,王和义,杜阳,蒋树斌.用于含氚废气的无机载体疏水催化剂研制[J].核技术,2010,33(03):228-232.

YANG Yong WANG Heyi DU Yang JIANG Shubin. Preparation of inorganic hydrophobic catalysts used in tritium processing[J]. Nuclear techniques, 2010, 33(3): 228-232.
[1]杨勇,王和义,杜阳,蒋树斌.用于含氚废气的无机载体疏水催化剂研制[J].核技术,2010,33(03):228-232. DOI：

YANG Yong WANG Heyi DU Yang JIANG Shubin. Preparation of inorganic hydrophobic catalysts used in tritium processing[J]. Nuclear techniques, 2010, 33(3): 228-232. DOI：

摘要

为处理含氚废气筛选无机疏水载体

通过酸萃、高温灼烧对载体改性

经附铂、焙烧、还原后制备无机载体型Pt、Pd催化剂

常温下氢（氚）气的催化氧化实验中

几种催化剂表现相似的催化性能

氚气的单程转化率均大于90%

均可用于含氚废气处理。XRD测试结果显示

载体改性提高了载体的结晶度

有利于增加载体疏水性

降低附在载体上的铂晶粒尺寸

提高铂的分散度

但附铂后灼烧再还原的方法降低了铂的分散度。ZrO2的加入降低了钯晶粒尺寸

提高了钯的分散度。

Abstract

In order to decontaminate waste tritium gas

Pt or Pd catalysts on inorganic carrier were prepared by wet impregnation.At environmental temperature

the catalysts exhibit good effect in the catalysis reaction of tritium gas oxidation

with an efficiency of tritium gas oxidation of over 90%

being well suitable for tritium waster gas processing.Physicochemical properties and structure of the catalysts were examined by XRD.The results showed that carrier revision enhanced the crystallization degree of carriers

this will improve the hydrophobic property of carriers

and the revision of carriers reduced the crystal size of Pt

enhance the dispersion of Pt.The method of deoxidize after ablation and Pt loading reduced the dispersion degree of Pt.ZrO2 reduced the crystal size of Pd

enhanced the dispersion of Pd.

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Related Institution

China Academy of Engineering Physics

中国工程物理研究院核物理与化学研究所

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