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The influence of ClO− and acidity in the reaction between H2O2 and CuCl2
Journal of Loss Prevention in the Process Industries ( IF 3.5 ) Pub Date : 2021-03-20 , DOI: 10.1016/j.jlp.2021.104472
Mieko Kumasaki , Nagisa Yamanobe , Miyako Akiyoshi , Takehiro Matsunaga

The potentially explosive reaction of hydrogen peroxide (H2O2) and copper chloride (CuCl2) was investigated. Pressure tests revealed that the reaction was strongly temperature - dependent and can easily undergo runaway reaction. Nevertheless, there was only a slight pressure increase at the low temperatures studied or when using low concentrations of CuCl2. Under the conditions generating the slight pressure increase, hypochlorite anions (ClO) are generated and the acidity increases. As the reaction reaches completion, ClO disappears, and the acidity decreases. Interestingly, the addition of phosphate buffer to maintain the weakly acid conditions led to a runaway reaction, and the use of basic ClO promoted the exothermic reaction. Based on the results, acidity has a strong impact on the reaction behaviour.



中文翻译:

CLO的影响- H中之间的反应和酸度2 ö 2和的CuCl 2

研究了过氧化氢(H 2 O 2)和氯化铜(CuCl 2)的潜在爆炸反应。压力测试表明,该反应强烈依赖于温度,并且很容易发生失控反应。然而,在所研究的低温下或使用低浓度的CuCl 2时,压力仅略有增加。在此条件下产生的轻微的压力增加,次氯酸盐阴离子(CLO - )产生和酸度增加。随着反应的完成达到,CLO -消失,酸度降低。有趣的是,加入磷酸盐缓冲液,以保持导致反应失控的弱酸条件下,和使用基本CLO的-促进放热反应。根据结果​​,酸度对反应行为有很大影响。

更新日期:2021-04-04
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