化工项目可行性研究的经济分析,必须进行内部收益率的计算,因它是评价工程项目经济上是否可行的一个常用和重要的动态指标。一般规律是,项目的内部收益率愈高,投资的效果也越好。内部收益率(INTERNAL RATE OF RETURN—IRR)实质是要求取一个折现率,使项目经济活动期内逐年的现金流 The economic analysis of chemical project feasibility studies must make the calculation of the internal rate of return because it is a commonly used and important dynamic indicator to evaluate whether an engineering project is economically viable. The general rule is that the higher the IRR, the better the investment. The internal rate of return (INTERNAL RATE OF RETURN-IRR) is essentially required to take a discount rate, the annual economic activity of the project cash flow