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首页> 外文期刊>Marine pollution bulletin >Feasibility of potable water generators to meet vessel numeric ballast water discharge limits
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Feasibility of potable water generators to meet vessel numeric ballast water discharge limits

机译：饮用水发生器满足船舶压载水排放极限的可行性

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摘要

Ballast water is taken on-board vessels into ballast water tanks to maintain vessel draft, buoyancy, and stability. Unmanaged ballast water contains aquatic organisms that, when transported and discharged to non-native waters, may establish as invasive species. Technologies capable of achieving regulatory limits designed to decrease the likelihood of invasion include onboard ballast water management systems. However, to date, the treatment development and manufacturing marketplace is limited to large vessels with substantial ballast requirements. For smaller vessels or vessels with reduced ballast requirements, we evaluated the feasibility of meeting the discharge limits by generating ballast water using onboard potable water generators. Case studies and parametric analyses demonstrated the architectural feasibility of installing potable water generators onboard actual vessels with minimal impacts for most vessel types evaluated. Furthermore, land-based testing of a potable water generator demonstrated capability to meet current numeric discharge limits for living organisms in all size classes.
机译：压载水被带入船上，进入压载水舱，以保持船的吃水，浮力和稳定性。未经管理的压载水包含水生生物，这些水生生物在运输和排放到非本地水域后可能会定居为入侵物种。能够达到旨在减少入侵可能性的法规限制的技术包括船载压载水管理系统。然而，迄今为止，治疗开发和制造市场仅限于对压载物有实质要求的大型船舶。对于较小的船舶或压载要求降低的船舶，我们评估了通过使用车载饮用水发生器产生压载水来达到排放极限的可行性。案例研究和参数分析表明，在实际船上安装饮用水发生器的结构可行性对大多数评估的船型影响最小。此外，在陆上对饮用水发生器进行的测试证明了能够满足所有规模等级的活生物体当前的数字排放限值的能力。

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