The technology group introduced the system, which effectively eliminates the problem of volatile organic compound (VOC) emissions from tankers during laden voyages, at Marintec China.
VOC’s are organic chemicals having a high vapour pressure resulting from their low boiling point, which leads to extensive evaporation.
With an oil tanker emitting 0.085% of its loaded cargo on average each week, the average 320,000 dwt VLCC, could lose up to 270 tons of cargo per week.
Wärtsilä’s VER system comes in two versions: a “reabsorption” version that operates automatically and re-circulates the VOC back to the cargo tanks; and a “fuel” version which uses the VOC as a fuel for the vessel. The latter system is a new, unique and patent pending innovation from Wärtsilä with significant fuel cost saving advantages. Both versions promote environmental sustainability by reducing VOC emissions by up to 75%.
“Wärtsilä is dedicated to developing innovative solutions that reduce operating costs for owners, while at the same time contributing to a cleaner environment. The VER system follows this philosophy by eliminating cargo waste and optimally lowering tanker fuel costs, thus enabling a payback time that can be less than one year,” said Timo Koponen, vp for Flow and Gas Solutions, Wärtsilä Marine Solutions.