通过对捣固焦炉装煤烟尘治理技术的不断探索与研究，开发出颗粒层烟气吸附净化装置、炉门烟尘控制装置两项专利技术，并成功地应用于多项工程设计中。

The property, usage and synthetic method of caprolactam were introduced in this paper, the coke oven gas pressure swing adsorption technology and crude benzol hydro-refining process were described.

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