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比较深海聚金属结节采矿技术,并评估它们对深海污染的可能影响

Lamjahao Sitlhou¹, Parthasarathi Chakraborty¹

¹Marine Trace Metal Biogeochemistry Laboratory, Centre for Ocean, River, Atmosphere and Land Sciences (CORAL), Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India.

Marine pollution bulletin

|August 4, 2024

概括

深海采矿技术与环境可持续性进行了比较. 需要进一步的研究,以优化深海聚金属结 (PMN) 提取,并最大限度地减少对环境的影响.

科学领域:

海洋地质学和资源管理
环境工程环境工程
海洋学海洋学海洋学

背景情况:

深海多金属块 (PMN) 是一个潜在的未来资源.
一些国际联盟 (MOES,IOM,GSR,KORDI,COMRA) 正在开发深海采矿 (DSM) 技术.
目前的DSM技术面临着重大的环境可持续性挑战.

研究的目的:

综合比较不同深海采矿联盟 (DSM) 提出的技术.
评估关键DSM组件的技术可行性和环境影响.
为了解决与沉积物干扰,结节收集,粉碎和尾矿排放相关的环境问题.

主要方法:

对爬行机,输送带,破碎机,起伏管和泥尾部排放机制的设计和原型进行比较分析.
对每个组件的技术可行性和环境影响评估的评估.
审查与沉积物,结节采集,材料加工和废物管理相关的环境问题.

主要成果:

不同联盟提出的技术方法和环境缓解策略存在差异.
关键部件,如爬行器和升降系统,在效率和环境足迹方面提出了独特的挑战.
目前的技术在解决沉积物再悬浮和有效的尾矿管理方面存在局限性.

结论:

深海采矿技术需要取得重大进展,以确保环境的可持续性.
进一步的研究和开发对于优化结节收集,加工和废物处理方法至关重要.
强有力的环境保护措施的整合对于负责任的深海采矿业务至关重要.

关键词:

深海采矿是指深海的采矿活动.环境影响评估环境影响评估在PMN中,PMN就是PMN.可持续的采矿实践可持续的采矿实践技术比较技术比较

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