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液体CO2与消防员个人防护设备 (PPE) 常规洗的比较分析
Arjunsing Girase1, Donald Thompson1, Robert Bryan Ormond1
1Textile Protection and Comfort Center, Wilson College of Textiles, North Carolina State University, Raleigh, NC 27695, USA.
概括
用液态二氧化碳 (CO2) 洗改进了消防员出勤装备的清洁. 这种环保方法比目前的NFPA 1851洗程序更能清除污染物.
科学领域:
- 职业健康和安全问题 职业健康和安全问题
- 环境科学 环境科学
- 织科学 织科学
背景情况:
- 消防员面临着对致癌性火场污染物的暴露.
- 目前国家消防协会 (NFPA) 1851 清洗程序缺乏足够的清洁强度.
- 2020年NFPA 1851版引入了专门的清洁,以提高有效性.
研究的目的:
- 为了评估消防员关于液态二氧化碳 (CO2) 清洁效率的问题.
- 为了比较液体二氧化碳洗与轮设备的传统洗技术.
- 评估较新的清洁方法与既定协议的有效性.
主要方法:
- 未使用的消防员报名克被人工污染了火场物质.
- 样品通过 NFPA 1851 批准的常规水性洗进行了清洗.
- 一种替代的清洁方法使用了商业上可用的液态二氧化碳工艺.
主要成果:
- 使用压力溶剂提取和气体染色学质谱法 (GC-MS) 分析了清洗后的污染水平.
- 液体二氧化碳技术的洗效率显著提高.
- 传统的洗在去除污染物的有效性有限.
结论:
- 液态二氧化碳洗为消防员的出勤装备提供了一种优越的清洁解决方案.
- 这种方法比传统的水性洗更有效,更环保.
- 进一步采用液态二氧化碳清洁可以通过减少污染物暴露来提高消防员的安全.
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