对于航运业来说，更严格的地方排水法规的出现可能会影响废气清洁系统。由于有进一步排放限制的可能，船东如何确定未来？
近年来，环境立法发生了许多变化。当船东为满足当下的环境要求而投资新设备时可能会想，这些投资是否也能满足未来的需求。当涉及到废气清洁时，阿法拉伐PureSOx系统具有内置的灵活性，可让船东安心航行。
为更严苛的环保要求做好准备
不仅船东需要为改变做好准备，船舶供应商也必须准备帮助客户适应改变。阿法拉伐已经成功地预见到海洋环境立法的许多变化之后，该公司正在让安装了PureSOx脱硫系统的客户领先一步，无论客户当下做出怎样的选择。
阿法拉伐废气清洁业务销售总裁Steven Pieters指出，“许多客户选择安装开环PureSOx系统，这些系统完全符合IMO的排水规定。尽管如此，我们还是希望客户能够放心地做出选择。通过预留所有的开环系统交付能方便客户升级到混合系统，我们确保PureSOx客户在行业出台更严厉的法规时能进行调整适应。”
换句话说，今天的开环PureSOx系统能提供升级到混合系统所需要的连接、硬件容纳和软件灵活性，这种混合系统能同时提供开环和闭环模式。升级可以在不进入干船坞的情况下进行，在某些情况下，也可以在船舶航行时进行。通过选择PureSOx，客户可以主动选择一个经得起未来考验的方案，即使他们现在不立即使用混合系统。
深厚的水清洁专业知识
如果客户选择了混合系统升级，那么他们就可以对闭环运行的成功充满信心。一个原因是阿法拉伐具有专利的水清洁系统，能确保在闭环模式下循环水的合规清洁。
阿法拉伐废气清洁业务销售总裁Pieters说，“没有比离心分离更可靠的方法来在海上清洁水了，离心分离已经成为阿法拉伐的核心技术超过百年。PureSOx水清洁系统在任何情况下都能有效地去除颗粒，产生的污泥却最少，并且能持续排出循环水。”
经过十多年证明的混合系统
阿法拉伐的混合方案是最成熟和可靠的应用，使运营商能一键实现在开环和闭环运行之间切换。即使是2009年在DFDS公司"Ficaria Seaways"号上改装的首个PureSOx装置，也是一套混合系统，经过数千小时的合规运行后，系统仍然保持着强劲运行。
Pieters说，“在开始时，有很多人认为在海上进行闭环洗涤并不可行。但我们首次安装就证明了闭环是可靠的。我们还展示了在开环和闭环模式之间进行切换非常容易，而且这项技术只会变得更强。我们今天交付的所有PureSOx系统要么是混合系统，要么是预留了为易于升级到混合系统做准备的系统。”
Preparing today’s SOx scrubbers for closed loop tomorrow
The appearance of stricter local water discharge regulations for the shipping industry may affect exhaust gas cleaning systems. With the potential for further discharge limits down the road, how can shipowners be sure about the future?
Recent years have seen many changes in environmental legislation. As shipowners invest in new equipment for today’s demands, they might wonder if their investments will still suffice tomorrow. When it comes to exhaust gas cleaning, Alfa Laval PureSOx systems have built-in flexibility that can give them peace of mind.
Ready for stricter demands
It’s not only shipowners who need to prepare for change. Suppliers, too, must be ready to help customers adapt. Having successfully anticipated many changes in marine environmental legislation, Alfa Laval is keeping PureSOx customers a step ahead – no matter what choice they make for the present.
“Open-loop PureSOx systems are what many customers choose to install, and these are fully compliant with IMO water discharge regulations,” says Steven Pieters, Sales Director, Exhaust Gas Cleaning at Alfa Laval. “Nonetheless, we want customers to be secure in their choice. By preparing all open-loop deliveries for easy upgrading to a hybrid system, we ensure PureSOx customers can adapt if tougher laws appear.”
In other words, today’s open-loop PureSOx systems provide the connections, hardware accommodations and software flexibility needed for an upgrade to a hybrid system, which offers both open-loop and closed-loop modes. The upgrade can be performed without dry docking, and in some cases while the vessel is sailing. By choosing PureSOx, customers make the proactive choice of a future-proof solution, even if they don’t commit to a hybrid system immediately.
Deep expertise in water cleaning
If and when customers do opt for a hybrid upgrade, they can feel confident of success in closed-loop operation. One reason is Alfa Laval’s patented water cleaning system, which ensures compliant cleaning of the circulation water in closed-loop mode.
“There’s no more reliable way to clean water at sea than centrifugal separation, which has been an Alfa Laval core technology for over 100 years,” says Pieters. “The PureSOx water cleaning system removes particles effectively in all conditions, yet it produces minimal sludge and can bleed off circulation water instantly.”
Over a decade of hybrid proof
Alfa Laval’s hybrid solution is the most proven and reliable available, allowing operators to switch between open-loop and closed-loop operation at the touch of a button. Even the very first PureSOx installation, retrofitted to the DFDS Ficaria Seaways in 2009, was a hybrid system – and it’s still going strong after thousands of hours of compliant operation.
“When we started, there were many who believed closed-loop scrubbing wasn’t feasible at sea,” Pieters says. “We proved it could be done reliably with our first installation. We also showed it could be easy to switch between open-loop and closed-loop modes, and the technology has only grown stronger. All PureSOx systems we deliver today are either hybrids or prepared for easy upgrading to hybrids.”
来源：国际船舶网
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