Seawater Desalination Plant & RO System

Seawater and high-salinity wells up to 40,000 ppm TDS belong on this KC-SW SWRO line. Brackish well water below roughly 10,000 ppm is handled more economically by a single or double-stage RO system. Turbid surface water from rivers and lakes (10–500 NTU) does not need desalination at all — a containerized clarification plant is the correct train.

Use the verified 24-hour demand to define the required daily output within the current 0.5–500 m³/d project range. Final selection also depends on the intake conditions, salinity, temperature, SDI and required product-water quality; capacity alone is not enough to select the system.

Island resorts and hotels use SWRO for guest, laundry and kitchen water. Coastal food, textile and process plants replace trucked water with desalinated make-up. Mining and construction camps secure independent supply where no municipal network exists. Villages and island communities gain a drinking-water source designed to the GB 5749 standard with disinfection. Offshore oil and gas platforms draw from the same line — typically 5 m³/d and above, sized to crew count and process demand. Vessels use the compact 0.5–10 m³/d skids.

Seawater and high-salinity sources below 40,000 ppm TDS, at pH 3–10 and 5–45 °C. Feed turbidity should be controlled by the multimedia pretreatment; very turbid or oily seawater needs extended pretreatment configured per the water analysis.

The RO stage delivers ≤700 ppm TDS fresh water (≤20 ppm on the high-spec variant). With the disinfection stage, output is engineered to the GB 5749-2006 drinking-water standard as the design basis; local potable compliance remains the project's responsibility and should be verified on site.

Yes — the series is offered in AC380V/50Hz, AC440V/60Hz and AC480V/60Hz three-phase versions, covering 50 Hz and 60 Hz export markets without custom re-engineering.

It is decided by feed TDS, not preference. Feed above roughly 10,000 ppm needs the SWRO pressure class on this page; lower-salinity brackish wells are served more efficiently by a single or double-stage RO system — see the Saudi Arabia selection guide in Related reading for the full decision logic.

Systems have been supplied to Saudi Arabia, Kuwait, Qatar, Singapore, Kenya, Morocco, Ghana, Egypt, Gabon and other markets across the Middle East, Africa and Southeast Asia. Share your location and duty and we will confirm the shipping configuration and documentation for your port.

Packing and shipment are confirmed during quotation for the approved project configuration.

Pricing is project-specific because a seawater desalination plant must be configured from the intake conditions, feed-water salinity, temperature and SDI, required capacity, and product-water requirements. Share these inputs so KONCHE can prepare the technical scope and quotation; capacity alone is not enough for a reliable price.

A seawater RO system conditions the incoming seawater through project-specific intake arrangements and pretreatment before the SWRO membranes separate dissolved salts from the feed. The permeate then receives post-treatment selected for its intended use, with UV included only where the application requires it.

Provide the intake or source arrangement, feed-water salinity, temperature and SDI, target capacity, and required product-water quality or use. These inputs define the project-specific process scope and quotation.