Incorporating renewable energy into the methanol production process is considered a feasible way to reduce carbon emissions and consume renewable energy. In order to facilitate the resourceful utilization of CO2 alongside renewable energy sources, while simultaneously addressing the fluctuating demand for methanol considering the distribution of renewable energy sources, a multi-period model aiming at designing and optimizing the supply chain of modular methanol production systems driven by renewable energy is proposed. The objective is to obtain the optimal methanol production sites and supply chain network configurations. According to the supply chain results, the modular methanol production system can adjust the number of production line operations and the supply chain network to adapt the changes of methanol demands. The total annual cost is 4.85 × 109 China yuan. The total capital cost is the biggest contributor with 49.60 %, followed by the electricity cost in operating cost with 33.55 %. The cost of methanol is 3367.52 China yuan/t, which is higher than that of methanol produced through traditional large-scale fossil energy processes. In order to improve the economy of the system, combinations of production lines with different capacities and the development of heat transfer systems between different production lines can be adopted. Finally, through the supply chain model, methanol production is ensured without generating surplus methanol, while minimizing system costs.

中文翻译：

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可再生能源驱动的模块化甲醇生产多周期供应链设计与优化


将可再生能源纳入甲醇生产过程被认为是减少碳排放和消耗可再生能源的可行途径。为了促进二氧化碳与可再生能源的资源化利用，同时考虑可再生能源的分布，同时解决甲醇需求的波动，建立了一个多时期模型，旨在设计和优化由可再生能源驱动的模块化甲醇生产系统的供应链。提出了可再生能源。目标是获得最佳的甲醇生产场地和供应链网络配置。根据供应链结果，模块化甲醇生产系统可以调整生产线运行数量和供应链网络，以适应甲醇需求的变化。每年总费用为4.85×109元。总资本成本是最大的贡献者，占49.60%，其次是运营成本中的电力成本，占33.55%。甲醇成本为3367.52元/吨，高于传统大规模化石能源工艺生产甲醇的成本。为了提高系统的经济性，可采用不同产能的生产线组合以及不同生产线之间开发传热系统。最后，通过供应链模型，保证甲醇生产不产生过剩甲醇，同时最大限度地降低系统成本。