A numerical simulation of kinetic constraint on evaporation of ammonium nitrate in diffusion denuder

Shen Ji

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A numerical simulation of kinetic constraint on evaporation of ammonium nitrate in diffusion denuder

机译：扩散剥蚀器中硝酸铵蒸发动力学约束的数值模拟

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A mumerical simulation model has been developed to investigate the diffusion and reaction in diffusion denuder for reactive gases and aerosols. The analytical equation for equilibrium and kinetic equations of NH_4NO_3, NH_3 and HNO_3 system were presented. The model results of sampling efficiencies were agree with those by Gormley-Kennedy equation and other models. The evaporation of NH_4NO_3 aerosol has a kinetic constraint. The kinetic constant can be estimated from evaporation data. The model results showed that an annular denuder can separate reactive gases and aerosols.

机译：已经开发出了一种数值模拟模型来研究在扩散剥蚀器中反应性气体和气溶胶的扩散和反应。提出了NH_4NO_3，NH_3和HNO_3体系的平衡方程和动力学方程的解析方程。采样效率的模型结果与Gormley-Kennedy方程和其他模型的结果一致。 NH_4NO_3气溶胶的蒸发具有动力学约束。动力学常数可以根据蒸发数据估算。模型结果表明，环形剥蚀器可以分离反应性气体和气溶胶。

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《Journal of Environmental Sciences》 |1998年第1期|p.113-121|共9页
作者
Shen Ji;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类环境与环境系统;
关键词
kinetic constraint; ammonium nitrate; diffusion denuder;

机译：动力学约束硝酸铵;扩散剥蚀器;

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A numerical simulation of kinetic constraint on evaporation of ammonium nitrate in diffusion denuder

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