The technological process and the hazard in production of heterocyclic flavor is expatiate, also the fire protection measures is given in this paper.

介绍了生产杂环类合成香料的工艺流程，分析了各生产环节的火灾危险性，并给出相应的安全防火措施。

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For each production process, the hazard distribution and risk varies with the different articles used, technological conditions adopted, and products produced.

因所使用物品、所采取工艺条件和所生产产品的不同，其危险分布及危险性亦有所区别。

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The media hazards, process hazard and installation hazard are analyzed in this paper. The technological measures of safe control for maleic anhydride are also put forward.

对马来酸酐生产过程中的介质危险、过程危险及装置危险进行了分析，提出了马来酸酐装置安全控制技术措施。

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