For the special characteristics of urea-based compound fertilizer production,the offgas treatment process in three types of typical foreign urea-based compound fertilizer productions is analyzed.

• 尾气处理是尿基复合肥生产装置的重要环节,针对尿基复合肥生产的特殊性,剖析了国外三种典型的尿基复合肥生产的尾气处理工艺,结合工程经验,推荐了尿基复合肥工艺的尾气处理流程。