Shopping cart

We provide specialized winterization services to safeguard your pool during the off-season, and when spring arrives, we handle the thorough opening process.

Recent Posts

Containerized BWRO plant 70x70

Containerized BWRO plant to produce 700 M3/Day

20 May 2024
Stainless Steel Filtration System 70x70

Stainless Steel Filtration System

20 May 2024

Newsletter

Your Reliable Technical Partner

Phone Number:

+971 55 296 5870
Request a quote

Offshore Watermakers

Offshore RO Watermaker

In the vast expanse of the ocean, freshwater remains a precious commodity for those who operate on its surface or beneath its waves. Offshore facilities, including oil rigs, cargo ships, and research vessels, all have a vital need for clean, drinkable water. This is where offshore RO water makers come in – technological marvels that convert seawater into fresh water, ensuring a reliable source of hydration and supporting various industrial processes. Using Hallmark watermakers onboard made expensive practices of bunkering and storing of large volume of freshwater no longer necessary. Its custom-engineered systems are compact and save limited space on board. A simple but advanced design made the operation and maintenance easy and independent.

Offshore RO Water Maker

What is an Offshore RO Watermaker?

An offshore RO water maker, also known as a Freshwater generator, utilizes reverse osmosis (RO) technology to remove salts and impurities from seawater. Here’s a breakdown of the process:

  • Pre-treatment: Seawater is first pre-treated to remove larger particles like sand and debris that could damage the RO membranes. A feed pump may draw raw water from the raw water tank/pipeline to pass through prefiltration. This may involve Multimedia Filtration, Bag or cartridge filtration in various micron ratings. An antiscalant dosing system also may use to protect membranes from scaling.
  • High-pressure pump: The pre-treated seawater is then pressurized by a high-pressure pump into the membranes. This increased pressure is essential for forcing the water through the semi-permeable membrane.
  • Semi-permeable membrane: The heart of the RO system is the semi-permeable membrane. This membrane allows water molecules to pass through while rejecting dissolved salts and other contaminants. Also, the permeate, which is the purified freshwater, is collected on one side of the membrane and stored in the freshwater tank.
  • Brine reject: The remaining concentrated salt solution, known as brine reject, is discharged overboard.
Watermaker
Offshore Water Maker
Offshore Water Maker
Onshore Watermaker Hallmark

Applications of Offshore RO Watermaker:

Offshore RO watermakers play a crucial role in various maritime and offshore applications:

  • Rigs / Accommodation Barges / Workboats / Ships : Providing a consistent supply of safe, fresh water for crew members on ships and personnel working on offshore rigs and platforms.
  • Livestock Carrier Ship: A livestock carrier is a large ship used in the live export of sheep, cattle and goats. These animals consume large amount of water during the transit.
  • Industrial processes: Supplying high-quality water for various industrial applications on offshore facilities, including boiler feed water, cooling water, and well injection water in the oil and gas industry.
  • Aquaculture: For offshore fish farms and hydroponic greenhouses, RO watermakers can produce the necessary freshwater for sustaining plant and animal life.
  • Scientific research: Research vessels require a reliable source of clean water for conducting experiments and analyses. RO systems can fulfill this need by producing high-purity water.

Benefits of Offshore RO Watermaker:

There are numerous advantages to utilizing offshore RO watermakers:

  • Freshwater independence: Facilities are no longer reliant on transporting freshwater from land, reducing logistical costs and dependence on external supplies.
  • Reliable water source: RO systems provide a consistent and dependable source of freshwater, regardless of weather conditions or location.
  • Reduced environmental impact: Compared to traditional freshwater transportation, RO systems have a lower environmental footprint.
  • High-quality water: The RO process produces freshwater that meets stringent drinking water standards and is suitable for various industrial applications.
  • Scalability: RO systems can be designed to produce varying capacities of freshwater, catering to the specific needs of different sized facilities.
  • Durability: Modern RO systems are built to withstand harsh offshore environments and require minimal maintenance.

Frequently Asked Questions:

Capacities can vary significantly, ranging from a few tons per day for smaller vessels to thousands of tons per day for large offshore platforms.

The power consumption depends on the system's capacity and feed water salinity. However, advancements in technology have led to more energy-efficient RO systems.

Environmental regulations govern the disposal of brine reject. Typically, it is discharged overboard in a way that minimizes environmental impact.

Regular preventative maintenance is crucial for optimal performance. This may include replacing pre-treatment filters and cleaning the RO membranes etc. 

Factors include the required freshwater capacity, feed water salinity, power availability, available space and budget. Consulting with Hallmark sales specialist will be ideal to select the most suitable system.

Conclusion:

Offshore RO watermakers are a game-changer for those operating in the maritime and offshore sectors. Moreover they provide a sustainable and reliable solution for converting seawater into fresh water, ensuring a vital resource for human consumption, industrial processes, and environmental well-being. As technology continues to evolve, RO systems will become even more efficient and cost-effective, further revolutionizing freshwater production on the high seas.

Contact Us

Our Services

Hi, how can I help?