![]() ![]() Without the need for gearboxes, the electric-powered Hägglunds drives maximise space on deck by connecting directly to the winches. Maritime supplier Marotechniek summoned Bosch Rexroth in Sweden to specially develop the vessel’s seven winches. Due to the enormous forces which are released, these winches require powerful drive systems. To keep the ladder in the golden position with such high output, seven hydraulic winches are needed. ![]() It has an output capacity of 270 cubic metres per hour. Ordered in 2020 and commissioned in Q1 of 2021, this electric-powered, deep-digging dredger was constructed by ROHR-IDRECO Dredge Systems, a builder specialised in zero-emission equipment and based in Doetinchem, the Netherlands.īy the numbers, the vessel is impressive coming in at 53 metres long, with a beam of 8.6 metres and weighing 255 tonnes. ![]() Therefore, Mineros Aluvial is employing a specialised CSD in their search for gold. While 4.5 kilometres makes 28 metres look like child’s play, it is still a long way’s away and a challenge for precise manoeuvring for most vessels. Since the resources are lying on the sea floor at depths of 4.5 kilometres, specialised vessels, such as the 25-tonne deep-water robot named Patania II, are required to pick them up. For example, DEME Group’s ongoing studies on collecting the nodules lying on the sea floor show they are richer in nickel, cobalt, manganese and copper than those extracted from land with labour-intensive and emission-generating processes. Deep-sea mining is gradually becoming charted territory for the dredging industry. An electric-powered vessel doing the digging, making it an operation deserving of a gold medal.ĭeep-sea mining practices are an alternative to land mining practices which require labour-intensive processes to extract valuable resources. CEDA presentations at third party eventsĬutter suction dredger, rohr idreco, dredger, gold, alluvial, mining, colombiaĬolombian gold mining company Mineros Aluvial is going to great depths to dig for gold as well.Financing Sustainable Marine and Freshwater Infrastructure.Dredging for Sustainable Infrastructure.Checklist for successful dredging management.Beneficial use of sediments: Case studies. ![]()
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