The plastic wastes and their long-term stability significantly threaten the environment. In this work, the catalytic cracking of plastic was investigated over the multi-functional zeolite nanocatalysts in a dual-zone fixed bed reactor. The nanocatalysts were synthesized hydrothermally, including boron promoter in the structure, followed by multi-step impregnation of iron promoter. The structural and acidity properties were characterized by FE-SEM, XRD, BET, TG-DTA, NH₃-TPD, and FT-IR analyzes. The iron species was uniformly dispersed over the nanocatalysts without important framework damage. The nanocatalysts had high surface area, high mesopore volume, and spherical morphology. The effect of different loadings of Fe promoter (0–10 wt.%) was studied. The 5 wt.% Fe promoter resulted in the appropriate textural-acidity conditions. The 5Fe/B-ZSM-5 nanocatalyst had the best product distribution in gasoline range hydrocarbons (C_5–12), including high aromatics (76.9%), high isoparaffins (6.2%), and high olefins (11.9%), which contains 95% of the liquid product. The nanocatalyst showed the low coke tendency (3.6%) and the high potential of reusability, including less than 10% drop in the performance through the sequence runs.

塑料废料及其长期稳定性严重威胁环境。在这项工作中，在双区固定床反应器中研究了多功能沸石纳米催化剂对塑料的催化裂化。水热合成纳米催化剂，在结构中包括硼助催化剂，然后多步浸渍铁助催化剂。通过FE-SEM，XRD，BET，TG-DTA，NH ₃对结构和酸度特性进行了表征。-TPD和FT-IR分析。铁物种均匀地分散在纳米催化剂上，而没有重要的骨架破坏。纳米催化剂具有高的表面积，高的中孔体积和球形形态。研究了不同含量的铁助催化剂（0-10 wt。％）的影响。5重量％的Fe促进剂导致合适的组织酸性条件。5Fe / B-ZSM-5纳米催化剂在汽油范围碳氢化合物（C _5-12）中具有最佳的产品分布，其中包括高芳烃（76.9％），高异链烷烃（6.2％）和高烯烃（11.9％），其中液体产品的95％。纳米催化剂显示出低的焦炭趋势（3.6％）和高的可重复使用性，包括在整个序列运行中性能下降不到10％。