石油加工企业脱硝、除尘工程经济性及超低排放潜力分析

基于多家石油加工企业大气污染控制工程案例，利用层次分析模型对脱硝、除尘工程的经济性进行了评估，并对未来不同情景下的工程技术成本、效益进行了比较分析。结果表明，在基准情景下，采用不同控制技术的石油加工企业经济性评价综合值差别较大。现有控制技术单一的企业，由于投资成本高或环境效益较低导致经济性下降；采用多种技术控制污染物排放的企业，绝对的投资费用较高，但可带来良好的环境效益，因而经济性更高。与基准情景相比，在超低排放情景下，系统总成本显著增加，系统总效益显著提升，但是总效益的增幅与总成本的增幅相差不大。通过研究发现，石油加工企业推行超低排放，经济性较高，技术上也可行。上述研究结果可为石油加工企业推行超低排放提供参考。

Economics and ultra-low emission potential analysis of denitrification and dust removal projects in petroleum processing industry

Based on the data of air pollution control projects from several petroleum processing enterprises, a model was constructed by using analytic hierarchy process to evaluate the economy of DeNOx and dust removal projects. The costs and benefits of control technologies under different scenario were compared and analyzed. Under the baseline scenario, the results showed that the comprehensive value of economic evaluation varied significantly from different control technologies in petroleum processing enterprises. Due to the high investment costs or low environmental benefits of petroleum processing enterprises using a single technology, their economy declined. For the petroleum processing enterprises using multiple technologies, their economic evaluation value was relatively high because of their relative higher environmental benefits than their high investment costs. Compared with the baseline scenario, the total costs and benefits increased significantly under the ultra-low emission scenario, but their growths were close. As a result, it will be technically feasible and high economic value for petroleum processing enterprises to implement ultra-low emission measure, which can provide the theoretical advice to implement the ultra-low emission measures in petroleum processing enterprises.