文献类型：期刊文献

英文题名：Carbon-efficient production planning for long-chain integrated refinery-petrochemical processes: A material-energy-carbon optimization perspective

作者：Zhang, Tingwei[1];Shen, Feifei[1];Peng, Xin[1];Li, Zhi[1];Zhong, Weimin[1]

机构：[1]East China Univ Sci & Technol, Minist Educ, Key Lab Smart Mfg Energy Chem Proc, Shanghai 200237, Peoples R China

年份：2023

卷号：426

外文期刊名：JOURNAL OF CLEANER PRODUCTION

收录：;EI(收录号：20234114855379);WOS:【SCI-EXPANDED(收录号:WOS:001099705400001)】；

基金：The work was supported by National Key Research and Development Program of China (2022YFB3304701) , National Natural Science Fund for Distinguished Young Scholars (61925305) , National Natural Science Foundation of China (62173145, 62303186) and Shanghai AI Lab.

语种：英文

外文关键词：Integrated refinery-petrochemical process; Material-energy-carbon optimization; Production planning; Process carbon efficiency

摘要：The integrated refinery-petrochemical plant produces multiple oil products and petrochemical materials, which process consumes large amounts of energy and generates considerable quantities of CO2. Meanwhile, due to the long production chain, and a wide variety of carbon emissions sources, the CO2 generated by the production process is difficult to be quantified accurately. To achieve the low-carbon and energy-saving targets, a multi-objective production planning model for the integrated refinery-petrochemical plant is developed in this work. Firstly, an accurate top-down carbon accounting model is established. Then, a multi-aspects process carbon efficiency index is proposed, considering production capacity and energy consumption. A multi-objective production planning model aiming at maximizing total profit and process carbon efficiency is constructed and formulated as a large-scale MINLP problem. Additionally, the FP-growth algorithm is used to analyze the multi-level coupling of emission-material-energy, identifying association and synergy effects. Finally, a case study on a practical integrated refinery-petrochemical plant with a 16000 kilotons annual processing capacity is presented. The results are: (1) Introducing the process carbon efficiency index is able to increase CO2 emissions reduction potential while ensuring more profit. Specifically, CO2 emissions are significantly reduced by 10%, and energy consumption is reduced by 289.1 tce after optimization. (2) The FCC unit generates the highest CO2 emissions, accounting for 34.4% of overall CO2 emissions. The highest proportion of CO2 emissions from process emission sources exceeded 75% of the total emissions. (3) The integrated reforming-hydrogenation unit has the highest CO2 emissions reduction potential, with the unit's CO2 emissions reduced by 25.3%, and energy consumption reduced by 3.15 tce after optimization. The refinery is proven to have higher CO2 emissions reduction potential than the chemical plant, achieving a CO2 emissions reduction of 11.4%. (4) The multi-level association analysis for emission-material-energy can provide qualitative and quantitative information for decision-makers.