加油站三次油气回收设备的推广应用，是我国大气污染防治工作在移动源和面源治理领域的重要举措。近年来，全国各地纷纷推进加油站三次油气回收改造，取得了显著成效。

The promotion and application of tertiary oil and gas recovery equipment at gas stations is an important measure for China's air pollution prevention and control work in the field of mobile and non-point source control. In recent years, various regions across the country have promoted three rounds of oil and gas recovery renovations at gas stations, achieving significant results.

在工程实践方面，深圳作为先行者，在全省率先完成了加油站三次油气回收治理。南昌东湖区塘山加油站率先完成改造，采用“冷凝+膜过滤”双重工艺，油气回收效率超过95%。该系统将储油罐内挥发的汽油油气高效抽取并转化为液态汽油后回注储油罐，有效降低了储油罐内压力。中石油、中石化等主要油品销售企业已将三次油气回收设备的配置纳入标准化要求，对达到应用条件的加油站统一配置三次油气回收装置。在设备采购层面，中化石油销售有限公司等企业已开展框架采购，明确要求油气处理能力≥8m?/h、回收率>96%、排放浓度≤8-10g/m?。

In terms of engineering practice, Shenzhen, as a pioneer, has completed three rounds of oil and gas recovery management at gas stations in the province. Tangshan Gas Station in Donghu District, Nanchang has completed the renovation first, adopting a dual process of "condensation+membrane filtration", with an oil and gas recovery efficiency of over 95%. This system efficiently extracts and converts the volatile gasoline and gas in the storage tank into liquid gasoline, which is then injected back into the tank, effectively reducing the pressure inside the tank. Major oil product sales companies such as PetroChina and Sinopec have included the configuration of tertiary oil and gas recovery equipment in standardized requirements, and have uniformly configured tertiary oil and gas recovery devices for gas stations that meet application conditions. At the equipment procurement level, enterprises such as China National Chemical Petroleum Sales Co., Ltd. have carried out framework procurement, explicitly requiring oil and gas processing capacity ≥ 8m ³/h, recovery rate>96%, and emission concentration ≤ 8-10g/m ³?.

在政策趋势方面，排放标准的持续加严是推动三次油气回收设备普及的核心驱动力。目前多数地区要求三次回收尾气排放浓度≤25g/m?，但海南等地区已加严至≤10g/m?。随着国六排放标准的全面实施，加油站油气回收系统面临新的挑战——国六车辆配备车载油气回收系统（ORVR），加油时车辆本身不再外排油气，导致传统二次回收设备易吸入大量空气，造成回收效率下降和油品挥发加剧。这一变化对三次油气回收设备提出了更高要求，推动行业向更加精准、高效的治理方向转型。

In terms of policy trends, the continuous tightening of emission standards is the core driving force for promoting the popularization of tertiary oil and gas recovery equipment. Currently, most regions require a concentration of ≤ 25g/m for exhaust emissions after three cycles of recycling? But in Hainan and other regions, it has been tightened to ≤ 10g/m?. With the full implementation of the National VI emission standards, gas station oil and gas recovery systems are facing new challenges - National VI vehicles are equipped with on-board oil and gas recovery systems (ORVR), and the vehicles themselves no longer discharge oil and gas during refueling, resulting in traditional secondary recovery equipment easily inhaling a large amount of air, leading to a decrease in recovery efficiency and intensified oil volatilization. This change has put forward higher requirements for tertiary oil and gas recovery equipment, promoting the industry's transformation towards more precise and efficient governance.

展望未来，加油站三次油气回收设备将朝着智能化控制、高效化处理和兼容性设计三个方向持续发展。智能化方面，在线监控系统将实现对设备运行状态的实时监测和远程诊断；高效化方面，新型吸附材料、高性能膜材料和高效制冷技术的应用将进一步提升回收效率；兼容性方面，设备需适应国六标准带来的新工况，实现从末端治理向源头防控的转型。

Looking ahead to the future, the tertiary oil and gas recovery equipment at gas stations will continue to develop in three directions: intelligent control, efficient processing, and compatibility design. In terms of intelligence, online monitoring systems will achieve real-time monitoring and remote diagnosis of equipment operating status; In terms of efficiency, the application of new adsorption materials, high-performance membrane materials, and high-efficiency refrigeration technology will further enhance the recovery efficiency; In terms of compatibility, the equipment needs to adapt to the new working conditions brought by the National VI standard, and achieve the transformation from end of pipe treatment to source prevention and control.

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