摘要：天然气在能源体系中战略地位凸显，含硫化氢天然气的净化处理需求迫切，脱硫技术已成为相关领域研究热点。干法脱硫技术因具有工艺过程简单、无污水污酸处理问题、能耗低、净化后烟气腐蚀性小等优势，在天然气脱硫中应用广泛。本文全面概述了天然气干法脱硫技术的研究进展，详细阐述活性炭吸附法、分子筛法、金属化合物法（如氧化铁法、氧化锌法）等常见干法脱硫技术的原理、工艺流程以及各自的研究进程。最后，分析目前天然气干法脱硫技术存在的问题，如脱硫效率较低、设备庞大、投资大、脱硫剂硫容量有限等，并对未来的研究方向进行展望，旨在为天然气干法脱硫技术的进一步发展与优化提供参考，推动该技术在天然气净化领域更高效应用。
Abstract: As natural gas plays an increasingly strategic role in the energy system, the purification of H₂S-containing natural gas is urgently required, making desulfurization technologies a research hotspot. Dry desulfurization technology, due to its advantages such as simple process, no wastewater or waste acid treatment issues, low energy consumption, and less corrosive nature of the purified flue gas, is widely applied in natural gas desulfurization. This paper comprehensively reviews the research progress of dry desulfurization technology for natural gas, elaborating on the principles, process flows, and research progress of common dry desulfurization technologies such as activated carbon adsorption, molecular sieve, and metal compound methods (such as iron oxide and zinc oxide methods). Finally, it analyzes the existing problems in current dry desulfurization technologies for natural gas, such as low desulfurization efficiency, large equipment, high investment, and limited sulfur capacity of desulfurization agents, and looks forward to future research directions, aiming to provide references for the further development and optimization of dry desulfurization technology for natural gas, and promote its more efficient application in the field of natural gas purification.
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