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Industrial Seawater Reverse Osmosis Desalination Systems SWI

Quality Systems at an exceptional value
Product Description

For continuous or heavy-duty service in marine applications on and off shore, Pure Aqua manufactures a full line of designed seawater desalination systems.

Desalination System For Potable Water Applications

Seawater Reverse Osmosis (SWRO) is a reverse osmosis desalination membrane process that has been commercially used since the early 1970s. These systems can vary from large desalination plants to a smaller sized seawater to drinking water machine. The typical single pass seawater treatment system consists of the following components:

  • Intake: beach well water
  • Pre-treatment: Filtration and chemical dosing
  • High-pressure pump: to achieve the needed pressure
  • Membrane assembly: to perform the desalination process
  • pH adjustment: to adjust the alkalinity or acid level
  • Disinfection: to prevent any bacterial or organic growth

Pure Aqua, Inc. has manufactured and supplied hundreds of commercial and industrial seawater reverse osmosis desalination systems with feed water TDS up to 45,000 ppm. 

Customizable Desalination Machine Capacity

Our SWI Series is available with capacities ranging from 8,000 GPD to 660,000 GPD and a maximum feed water TDS of 42,000 ppm. We offer standard SWI Series units as well as customizable to fit you water application needs. From your five star resort to the world's largest desalination plant in the United Arab Emirates, Pure Aqua is ready and able to provide only the best in industrial desalination systems.

Pure Aqua’s desalination machines are capable of removing salts as well as other impurities such as bacteria, sugars, proteins, dyes and constituents that have a molecular weight greater than 150-250 Dalton. Pure Aqua supplies a full line of standard and customizable seawater reverse osmosis desalination systems, all of which are engineered using advanced 3D computer modeling and process design software for accurate and customized solutions.

Questions & Answers

What is a desalination system?

Desalination systems have become an important pillar of the world’s freshwater supplies. Desalination provides an alternative to insufficient clean water production and natural causes which exacerbates this issue such as droughts. Independent of weather patterns, desalination systems are efficient in helping countries or companies in reaching their water demands.

Desalination systems utilize reverse osmosis to purify unwanted contaminants such as salt and minerals from untreated water. This process works through applying high-pressure pumps that force the concentrated water through semi-permeable membranes which consist of small pores that prevent the impurities from passing through. What results from the reverse osmosis system is fresh, clean water that is free of its pollutants which are simultaneously discharged.

Desalination systems are generally used in large-scale plants that must deal with regulatory, budgetary, and practical issues to produce economical and eco-friendly water distribution. There are hundreds of desalination plants throughout the world that are depended upon by regions for economic activity and clean water supplies. Desalination continues to provide solutions that prove its worth by meeting challenging criteria with stellar answers and productivity.

Vist our page - benefits of desalination for more information.

Where are desalination systems becoming increasingly popular?

While desalination systems are becoming a common application throughout the world, certain regions have higher concentrations due to greater water demands. There are estimates of up to 18,000 existing desalination plants that utilize these systems globally, generating more than 25,000 GPD. Almost half of these desalination machines exist and operate in the Middle East and North Africa. This occurrence is unsurprising due to the hot and arid climate of these particular regions.

Although desalination systems continue to grow in usage in those regions, it is expected to intensify in development over the next few decades throughout the United States, Asia, and Latin America. Technology advances in these areas will eventually drive down the percentage of energy needed for water production, which ultimately results in more active desalination systems.

Is a desalination machine cost-effective?

Desalination machines have been known to be very expensive to build and maintain over a long period of time. However, recent enhancements in water treatment components which includes reverse osmosis membrane advancements (high rejection, low energy costs) and energy recovery devices, have made the associated costs of desalination plants much lower. To such an extent that desalination machines have now become a cost-effective alternative source of water distribution. For this reason, most regional and state governments have incorporated them into their water plans as tools to help meet the present and future water goals.

[custom-specifications]
seawater desalination reverse osmosis industrial systems SWRO 8000-500000 gpd specifications

Operation Specifications

  • Max. feed water temperature: 42°C

  • Equipment upgrade for TDS up to 50,000 ppm

  • H2S, turbidity and organics must be removed

  • Feed water TDS: 10,000-42,000 ppm

  • Operating pressure: 700 to 1,000 psi

  • pH tolerance range: 3-11

  • Feed water pressure: 40 to 80 psi

  • Antiscalant dosing is required

  • Max. Iron content: 0.05 ppm

Model No.

Permeate

Qty of 8" Membranes
(single stage)

Motor HP
at 1000 ppm

Approx.
Weight (lbs)

Dimensions

GPD

m3/D

60 HZ

50 HZ

SW-8.0K-1280

8,000

30

2

15

15

2,600

120"x42"x72"

SW-12K-1380

12,000

45

3

20

25

2,600

160"x42"x72"

SW-16K-1480

16,000

61

4

25

30

2,700

195"x60"x72"

SW-24K-2380

24,000

91

6

40

45

3,200

160"x60"x72"

SW-32K-2480

32,000

121

8

60

65

4,200

195"x72"x72"

SW-48K-2680

48,000

182

12

75

80

5,600

280"x72"x72"

SW-64K-4480

64,000

242

16

60

65

6,500

195"x72"x72"

SW-72K-3680

72,000

273

18

60

65

12,000

280"x72"x80"

SW-96K-4680

96,000

363

24

85

100

13,000

280"x72"x80"

SW-112K-4780

112,000

424

28

100

110

14,000

350"x72"x80"

SW-136K-5680

136,000

515

34

110

120

15,000

280"x72"x80"

SW-168K-6780

168,000

636

42

120

130

16,000

350"x72"x80"

SW-196K-7780

196,000

742

49

130

150

16,500

350"x72"x80"

SW-224K-8780

224,000

848

56

160

175

17,000

350"x72"x79"

SW-252K-9780

252,000

954

63

175

190

18,000

350"x72"x79"

SW-280K-10780

280,000

1060

70

190

190

19,000

350"x72"x79"

SW-317K-12780

317,000

1200

84

190

290

20,000

350"x85"x80"

SW-420K-15780

420,000

1590

105

290

320

21,000

350"x85"x80"

SW-500K-18780

500,000

1893

126

320

320

22,000

350"x85"x81"

SW-660K-18880

660,000

2500

144

350

350

27,000

395"x85"x81"

For more information, please view/download our "Data Sheet"

[/custom-specifications]

[custom-features]
seawater desalination reverse osmosis industrial systems SWRO 8000-500000 gpd features

Standard Features

Available Options

  • Powder coated steel frame

  • Heavy duty 5 micron cartridge prefilter

  • Seawater resistant SS pump

  • Microprocessor/PLC based control panel & VFD

  • Glycerin-filled 316 SS prefilter pressure gauges

  • Product & reject flow meters

  • TFC spiral wound membranes

  • FRP membrane housings

  • 460V/3Ph/60Hz power supply

  • Low & high pressure switches

  • Permeate TDS monitor

  • Stainless steel high pressure piping

  • Stainless steel throttling valve for reject stream

  • Automatic feed shut off valve

  • Energy recovery on 64K GPD and larger

  • Booster pump

  • 380-415V/3Ph/50Hz power supply

  • Product tank level switch

  • pH controller with sensor

  • ORP controller with sensor

  • Hour meter

  • Cleaning skid

  • 50 micron bag filter for open intake

  • Carbon prefilter

  • Multimedia prefilter

  • UV sterilizer

  • Custom designed units

  • Export crating

  • Chemical dosing units

[/custom-features]

[custom-usage]

The ideal applications for an Industrial Seawater RO system include:

  • Oil Tankers

  • Island-Based Businesses

  • Villages & Cities

  • Cargo Ships

[/custom-usage]
[custom-360-view]

Here at Pure Aqua, Inc., we engineer and build all of our water treatment systems in-house.

Our turn-key water treatment systems are all pre-engineered using the latest CAD technology available.

This enables our teams to build and deliver treatment systems to our customers with quick turnaround times.

Many of our customers require custom engineered systems. These are typically built around similar core systems and thus allowing for improved turnaround times, even for one-off designs.

 
[/custom-360-view]
Models
Features
Applications
Docs
Videos
360 View
Reviews
(25 reviews) Write a Review
  • 5
    Excellent designed SWRO.

    Posted by Larry P. on Apr 25th 2020

    Excellent designed SWRO. They used Dow sea water RO membrane in our system (SW-96K) and other components are excellent industrial brands too

  • 5
    Best price!!

    Posted by Ronald C. on Feb 14th 2020

    We went with price and recovery rate design when we chose to purchase this Pure Aqua SWRO. We have the SW-136K-6680. Great system.

  • 5
    Pricing is very competitive

    Posted by Jason N. on Oct 15th 2019

    Pricing is very competitive compared to huge name companies that's why we decided to go with their SW-96K-4680. We are glad we went with Pure Aqua.

  • 5
    Everything is exceptional.

    Posted by Paul V. on Jul 8th 2019

    I will recommend this company for anybody who is looking for RO systems. We bought their SW-16K-1480 and everything is exceptional.

  • 5
    Engineers at Pure Aqua are knowledgeable

    Posted by Mark K. on Apr 21st 2019

    Engineers at Pure Aqua are knowledgeable and their SWRO quality is unbeatable. We have the SW-112K-4780 in our plant.

  • 5
    Great SWRO system

    Posted by Richard F. on Jan 19th 2019

    Great SWRO system and great after sales support. Our SW-168K-6780 produces 110 GPM of fresh water consistently day-after-day.

  • 5
    Great buy.

    Posted by Karen M. on Nov 6th 2018

    Works well and our team maintains the SWRO very well too. System came with very detailed manuals that are easy to follow. Great buy.

  • 5
    Nice clean design

    Posted by Mike H. on Jul 13th 2018

    Nice clean design and I like how they arranged the racks of vessels and piping. The actual SWRO is even better than the 3D drawing that we saw.

  • 5
    The system is designed very well.

    Posted by Frank A. on Apr 11th 2018

    The system is designed very well. Pre-Treatment provided covers everything that are needed to protect the membranes. Our SWRO produces 35 GPM of permeate with around 200 ppm of salinity level. Great quality.

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