一个综合测试策略 (ITS) 评估木材保护技术的环境兼容性
Marco Picone1, Martina Russo1, Davide Marchetto1
1Department of Environmental Sciences, Informatics, and Statistics, Ca' Foscari University Venice, via Torino 155, 30172 Venezia-Mestre, Italy.
Journal of hazardous materials
|May 9, 2024
概括
木材的热修饰 (TM) 是一种环境可接受的处理方法,对水生有毒性低于未经处理的木材 (UTW). 基于铜乙醇胺的防腐剂 (UC3) 对水生物种构成重大风险,因此不适合用于木材保护.
科学领域:
- 环境科学 环境科学
- 木材科学 木材科学 木材科学
- 生态毒理学 生态毒理学
背景情况:
- 木材保护对于耐用性至关重要,但可能会影响水生生态系统.
- 评估木材防腐剂的环境风险对于可持续实践至关重要.
研究的目的:
- 为了评估不同木材保护技术对水生环境的影响:热修饰 (TM) 和基于铜乙醇胺的防腐剂 (UC3).
- 为了评估处理过的木材中有毒物质漏的时间依赖性.
主要方法:
- 采用了分层的综合测试策略 (ITS),包括对水生生物 (Aliivibrio fischeri,Raphidocelis subcapitata,Daphnia magna,Lymnea auricularia) 的急性和慢性毒性测试.
- 来自未经处理的木材 (UTW),UC3处理的木材和TM木材的液在各种水成熟时间后进行了测试.
主要成果:
- 热修饰 (TM) 的毒性与未经处理的木材 (UTW) 相当或低于它.
- UC3处理对所有测试的水生物种产生了重大影响,即使在成熟30天后,也表明环境不可接受.
- 增加TM木材的成熟时间减少了对水生生物的不利影响.
结论:
- 热修饰 (TM) 是一种环境上可接受的木材保存方法.
- 基于铜乙醇胺的防腐剂 (UC3) 不适合用于木材保护.
- 综合测试策略 (ITS) 有效地为制造商确定了环保的木材保护解决方案.
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