Abstract
According to the first-order kinetic reaction equation, the hydrolysis rate constants of homogeneous and heterogeneous phase of eight poisons under different conditions were calculated, and the relationship between hydrolysis rate constants and temperature was obtained according to the arrhenius formula, and the activation energy of hydrolysis reaction of some poisons was calculated. The evolution curve of homogeneous hydrolysis rate of 0.5 g/L HD with time was collected by T-135 method, and the hydrolysis rate was 0.1 min-1 and the half-life was 7 min. Poison concentration, pH of system, environmental temperature and structural composition of soil all affect the hydrolysis rate of Chemical Warfare Agents.
Highlights
Many disinfectants are formulated with water as one of their components
In the research and development of decontamination agents, though many scholars hope to find a faster, more efficient and mild disinfection method, instead of relying on hydrolysis to complete the decontamination of military chemical agents, it is very meaningful to understand the contribution of hydrolysis to decontamination compared with other decontamination agents with stronger activity
The firstorder or second-order reaction kinetic model is often used in the literature to deal with the reaction process kinetic curve and find out the first-order or second-order reaction kinetic rate constant; The apparent activation energy can be calculated based on the rate constant at different temperatures and Arrhenius equation [2]
Summary
Many disinfectants are formulated with water as one of their components In these water-based systems, chemical warfare agents such as Tabun (GA), Sarin (GB), Soman (GD), VX, mustard gas (HD), Lewisite (L), phosgene (CG) and Bitz (BZ) will undergo hydrolysis reaction [1]. This paper summarized some literatures about poison hydrolysis. The firstorder or second-order reaction kinetic model is often used in the literature to deal with the reaction process kinetic curve and find out the first-order or second-order reaction kinetic rate constant; The apparent activation energy can be calculated based on the rate constant at different temperatures and Arrhenius equation [2]
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