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Water Treatment News

14 Jun 2023

RWO’s Blackwater Treatment System Chosen for New Zealand Ferry

Credit: KiwiRail

RWO has been selected by KiwiRail to supply its next-generation advanced water treatment system - the CleanSewage Membrane Reactor (CS-MBR) – to New Zealand’s Inter-Island Resilient Connection Project (iReX).Two custom-built Interislander ROPAX ferries have been ordered to service the connection between Wellington and Picton. Environmental protection is a key priority for the project, and both vessels, which are being built at Korean shipyard Hyundai Mipo Dockyard (HMD), will…

31 Oct 2022

Celebrity Leaps Ahead of Regs with new RWO Wastewater Treatment Systems

Celebrity Solstice. Image courtesy Celebrity

RWO recently completed two installations of its next-gen advanced water treatment system (AWTS); the CleanSewage Membrane Reactor (CS-MBR), for Celebrity Cruises. The sewage treatment plant on the Celebrity Solstice-class vessels, Celebrity Silhouette and Celebrity Reflection, have been upgraded to the CS-MBR system, with an additional three orders placed to complete the fleet-wide upgrade.RWO’s CS-MBR is a sustainable biological treatment technology that has been designed to minimize a vessel’s impact on the environment…

13 Jan 2022

Is Baltic Sea Special Area for Passenger Ships Really Special?

Photo copyright Baranov/AdobeStock

The persistent eutrophication (being too rich in nutrients) of the Baltic Sea prompted the IMO’s Baltic Member States to tackle shipping’s < 0.1% contribution by designating the Baltic Sea as the first Special Area under Annex IV of IMO’s MARPOL Convention [1]. Passenger ships must give sewage to wastewater treatment works (WWTWs) ashore via the port reception facilities (PRFs) or operate a nutrient removal sewage treatment plant (STP) on board prior to discharge. It has been perceived as a positive move. But how special is the Special Area?Rules at sea vs.

20 Jan 2021

Wärtsilä, Carnival Ink Waste Treatment Systems Deal

(Image: Wärtsilä)

Finnish marine equipment manufacturer Wärtsilä said it signed a framework agreement with Carnival Corporation covering the supply and installation of Wärtsilä’s waste water and dry waste treatment systems for up to 32 vessels across many of global cruise ship operator’s brands. Wärtsilä said its Membrane Bioreactor waste water treatment plants for handling of black and grey waste water surpass the most demanding standards currently set by the International Maritime Organization (IMO) for sewage discharge…

19 Jan 2021

Valmet Tech Enhances Scrubber, Exhaust Gas Recirculation Systems

Photo: Valmet

Valmet is enhancing emission control with its patented and fully automatic water treatment solution for the marine scrubber system and exhaust gas recirculation system. Valmet Marine Water Treatment system consists of four different modules that are designed to be easily fit in different vessel layouts. Due to the layout flexibility, the water treatment system can be installed both in new building vessels as well as retrofits.Valmet has designed its marine water treatment systems with the environment and ease-of-use in mind…

03 Jan 2020

Evac Appoints Tapio Kolunsarka as CEO

Evac, a supplier of integrated waste, wastewater, and water management systems for the marine, building and offshore sectors, has appointed Tapio Kolunsarka as new CEO of Evac Group effective 1 Jan 2020.He succeeds Tomi Gardemeister who has left his post as CEO and President to assume interests outside the Evac Group.Tapio Kolunsarka has been appointed as new CEO of Evac Group effective 1 Jan 2020. He succeeds Tomi Gardemeister who has left his post as CEO and President to assume interests outside the Evac Group.Since 2016 Tapio has been President & CEO of Ramirent, a publicly listed equipment rental and service company. Prior to Ramirent…

24 Nov 2019

Scanship Wins AWP Retrofit Gig from NCLH

Scanship, a Norwegian company that produces wastewater purification and waste management systems for vessels, has been awarded an advanced wastewater purification system (AWP) retrofit contract by Norwegian Cruise Line Holdings (NCLH).The contract is to deliver and install a Scanship AWP system on their Nautica vessel operated under their Oceania Cruises brand.The system will process all grey wastewater sources and black water to the industry highest environmental standard. This standard is specified as IMO Marpol MEPC 227 (64) with chapter 4.2 for special area Baltic Sea including phosphorus and nitrogen removal.The installation will be done during the spring of 2020.“Today…

11 Sep 2019

Guam Shipyard Ordered to Control Pollution

The U.S. Environmental Protection Agency (EPA) has ordered Guam Shipyard to obtain a stormwater discharge permit and to achieve compliance with the Clean Water Act for discharges of pollutants into Apra Harbor, Guam.“Ship repair facilities must have stormwater pollution controls to protect coastal ecosystems,” said EPA Pacific Southwest Regional Administrator Mike Stoker. “This order will prevent pollution from reaching Apra Harbor.”Guam Shipyard operates a ship repair facility on Cabras Island in Piti, Guam. It has operated industrial activities, including boat repair, sandblasting, high pressure washing, painting and material storage since at least January 2016.EPA inspected the facility on September 2018 and found multiple violations of the Clean Water Act.

06 Sep 2019

ASCO Ships Completes Pirshagi Wastewater Treatment Plant

More than 90 percent of the construction works of the Pirshagi Wastewater Treatment Plant, funded by the Government of Azerbaijan and the Korea Export-Import Bank, has been completed.According to Azerbaijan Caspian Shipping Company (ASCO), this facility is the first modern wastewater treatment plant in Azerbaijan developed on the basis of new technologies.Given that 400 m of the exhaust line of the Pirshagi Wastewater Treatment Plant was installed on land, and a part with a length of 1300 m – at the sea, a route along the sea bottom was determined in advance. ASCO specialized vessels carried out dredging operations and successfully completed their task.Dredging operations were carried out on the digging vessel “Muhandis B.

27 Aug 2019

LiqTech Wins Marine Scrubber Filtration Order

LiqTech International,  a clean technology company that manufactures and markets highly specialized filtration technologies, announced the receipt of the Company's largest single order to date for its proprietary ceramic silicon carbide water filtration systems for marine scrubber applications.The order was placed by one of the world's three largest shipping companies and follows the recent installation and system deployment by this same customer on the two largest container ships in the world. The new orders are expected to be delivered starting in late 2019, with completion in 2020.Sune Mathiesen, CEO of LiqTech International, said…

04 Jun 2019

Digi Boiler Gets DNV GL AIP

Norway-based global maritime industry group Wilh. Wilhelmsen Holding ASA said that DNV GL has granted an “Approval in Principle” (AIP) and currently working together towards a full type approval for the smart boiler water dosing system.Wilhelmsen also plans to qualify as an approved service supplier (AoSS) as part of the class society’s unique boiler monitoring (BMON) programme.Minimizing the risks associated with poor boiler water management, Wilhelmsen’s system monitors boiler water condition, dosing chemicals as and when they are needed. Delivering real-time condition monitoring, essential data is accessible to both the vessel’s crew and onshore staff…

07 Mar 2019

Scrubber Safe for Environment: Carnival

Carnival Corporation has released the results of an independent, two-year scientific scrubber wash-water study.The study shows the company’s advanced air quality systems (i.e. scrubbers) are in compliance with the International Maritime Organization’s (IMO) 2020 requirements, which include regulations for cleaner air emissions and strict wash-water quality standards.The study also concluded that the wash-water samples from scrubbers were below the limits set by several major national and international water quality and land-based water discharge standards, according to a press release.Focused specifically on analyzing the composition and quality of wash water from Advanced Air Quality Systems…

19 Feb 2019

When it comes to Water Treatment, Experience Counts

Scienco/FAST, an experienced manufacturer of Marine sewage devices (MSD) recently received an extraordinary service order. Or, maybe it’s not that extraordinary.Scienco/FAST, a St. Louis, Missouri-based manufacturer has, over many years, had plenty of experience in dealing with archived orders. In fact, the firm just had a call from a client that needed to replace a part on a previously installed Scienco/FAST system. So what? Well, it turns out that the system was installed onto a domestic tugboat, way back in 1975. That more-than-43-year-old workhorse is still in service. And, so too is the Scienco/FAST system that’s been on board since it was launched.For its part, Scienco/FAST says that this is just one, of countless typical examples of how long the overbuilt Marine/FAST units can last.

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