用于分离C2烃的沸石吸附剂研究进展

摘要/Abstract

摘要： 乙烷/乙烯/乙炔的高效分离是化学工业中亟待突破的共性技术难题，传统高压低温精馏工艺虽可实现组分分离，但其能耗高，严重制约了产业的可持续发展。在“双碳”战略背景下，C₂烃的沸石吸附分离技术因其能耗低、选择性高以及环境友好等优势，成为当前的研究热点。基于此，综述了沸石吸附剂在C₂烃分离领域的研究进展，深入剖析其构效关系与分离机制，指出优化沸石孔道环境、构建多组分分离体系、开发配套工业沸石吸附剂的放大生产方法是未来研究的重点。

关键词: 乙烷, 乙烯, 乙炔, 沸石, 吸附, 分离

Abstract: The efficient separation of ethane, ethene, and ethyne represents the pivotal yet unresolved technical challenge in the chemical industry. While conventional high-pressure cryogenic distillation enables component isolation, its substantial energy demands critically hinder sustainable industrial development. In the context of the "Dual Carbon" strategic initiative, zeolite-based adsorption separation technology has emerged as a prominent research frontier owing to its energy-efficient operation, exceptional selectivity, and environmentally friendly characteristics. This review systematically summarizes recent cutting-edge advances in zeolitic adsorbents for C₂ hydrocarbon separations, elucidates fundamental structure-activity relationships and separation mechanisms, and points out that rational engineering of zeolitic pore microenvironments, development of precision-controlled multicomponent separation systems, and developing scale-up production methods for supporting industrial zeolite adsorbents are key future research directions.

Key words: ethane, ethene, ethyne, zeolite, adsorption, separation

易天立李益衡刘宗俨. 用于分离C₂烃的沸石吸附剂研究进展[J]. 石油炼制与化工, 2025, 56(10): 160-167.

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用于分离C₂烃的沸石吸附剂研究进展

RESEARCH PROGRESS OF ZEOLITE ADSORBENTS FOR SEPARATION OF C₂ HYDROCARBONS

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