Alcap separation system
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Alcap separation system - 1

Reducing fuel costs by converting to HFO Case story Alcap separation system To stay competitive, the KW 145 Catharina uses low-sulphur HFO 380 cSt to sail the North Sea, thanks to the compact Alfa Laval SA 815 separation system. For generations, the van der Plas family fishing business relied on marine gas oil to power its trawlers around the North Sea. Today the family’s new trawler runs on costefficient heavy fuel oil (HFO) 380 cSt. Upgrading an Alfa Laval purifier originally installed onboard to an Alfa Laval SA 815 separator system drastically reduced fuel costs. When the Dutch fishing trawler KW 145 Catharina set sail on the North Sea in 2006, it signaled more than a generational shift for the van der Plas family. Shipowner Nico van der Plas Sr. and third-generation fisherman Captain Nico van der Plas Jr. carefully considered the impact of rising fuel costs on the viability of their single-vessel family company. In an effort to offset fuel price increments and maintain earnings, the elder and younger van der Plas agreed in 2005 to install an HFO-ready engine and two Alfa Laval purifiers on their new 40-meter fishing trawler. After two years of running the vessel on HFO 180 cSt, they decided to upgrade one purifier to an Alfa Laval SA 815 separator. The fuel cost savings alone quickly paid for the upgrade and will continue to contribute to the profitability of van der Plas fishing enterprise. Fast payback Comparable fishing trawlers typically use marine gas oil as fuel. However, the Catharina is a relatively new vessel out­itted with a Wärtsila 26 medium-speed engine. Larger or f new medium-speed engines such as the Wärtsila engine are now designed to handle heavy fuel oil. On the other hand, heavy fuel oil must undergo the process of cleaning and fuel oil to be of the correct viscosity before being injected into the engine. Catharina is designed to use heavy fuel oil with a maximum viscosity of 180 cSt. At the time of design, the decision to use HFO 180 cSt was easy because the difference in price between HFO 180 cSt and marine gas oil or diesel was

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Alcap separation system - 2

The Captain Nico van der Plas Jr. and chief engineer Buis Meivogel bunkering heavy fuel oil at the Port of Ijmuiden in the Netherlands. approximately 150 EUR per metric ton. This amounted to savings of 4500 EUR per week in fuel costs alone, given the vessel’s fuel consumption of 30 tons per week on average. Easy to upgrade Originally installed at Hoekman Shipbuilding BV in Urk, Holland, the Alfa Laval purifiers easily handle HFO 180 cSt. However, after two full years of operation, the father-and-son team decided to explore the possibilities of further increasing fuel cost savings. By...

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Alcap separation system - 3

with the cleaned oil. This is a sign of reduced separation efficiency not only of water, but of solid particles too. When water is detected in the cleaned oil, the transducer sends a signal to the EPC 50 process controller. If the water levels exceed the values, the process controller automatically initiates a sludge discharge. Depending on the actual process conditions, the EPC 50 process controller selects the operating mode. The water transducer supplies information about process conditions in the cleaned oil outlet to the EPC 50 unit. This makes it possible to operate under optimal...

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Alcap separation system - 4

SA 815 separation system The SA (Separation Ancillaries) 815 separation system is the most compact self-cleaning centrifugal separation system from Alfa Laval. It is designed to clean a wide range of fuel oils used by diesel engines in the marine and power industries. • Heavy fuel oils with densities up to 1010 kg/m3 and viscosities up to 700 cSt/50°C. (Handling of higher viscosities available.) • Lubricating oils for all slow-, medium- and high-speed diesel engines. • Distillates and light diesel oils (MDO). EPS00090EN 1003 How to contact Alfa Laval Up-to-date Alfa Laval contact details...

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