ODM China Suppliers' Factory-Direct Containerized Seawater Desalination Plants for Off-Grid Solar Solutions Factory, Suppliers

This off-grid solar seawater desalination system is a cutting-edge, mobile water production solution manufactured in a leading China factory. Designed for rapid deployment, this integrated containerized unit features a high-efficiency reverse osmosis system, thoroughly prefabricated, assembled, and tested at the factory for guaranteed quality. Upon delivery, the equipment requires only basic electrical and water connections, enabling instant readiness and immediate water production even in the most remote areas. Ideal for emergency water supply, temporary operations, and decentralized water needs, this modular system offers industrial-scale processing capacity combined with flexibility and convenience. As one of the top suppliers in China, we provide reliable, efficient desalination solutions perfect for short-term or permanent installations worldwide

Product Description

Our Solution

Shanghai Tongjie Environmental Protection's containerized seawater desalination equipment is specifically designed for the Middle East, Central Asia, islands, oil fields, and remote camps. It employs seawater reverse osmosis (SWRO) technology combined with energy recovery and high-temperature resistant, anti-contamination membranes, achieving a TDS tolerance of up to 42,000 ppm and producing water with TDS ≤500 ppm (compliant with direct drinking standards). The system integrates 20-foot/40-foot standard containers, featuring factory prefabrication and pre-commissioning, enabling immediate on-site operation within 72 hours without complex civil engineering work. It operates effectively in temperatures ranging from -20°C to 55°C, offering corrosion-resistant, explosion-proof capabilities and remote monitoring functionality.

Core Advantages

High salt tolerance

✔ High Salt Tolerance

Desalination rate of ≥99.2%; anti-contamination seawater membrane ensuring stable operation at TDS ≤42,000 ppm.

Container gantry installation

✔ Rapid Deployment

Standard container integration enables 72-hour commissioning, reducing civil construction by 80% and project duration by 60%.

Extreme environments

✔ Extreme Adaptation

Heat resistance up to 55°C, salt spray protection, and explosion-proof design for Middle East and Central Asia conditions.

⚡ Intelligent Operation

Unmanned PLC + touchscreen + remote monitoring, available 24/7 with fault alerts and dual control options (local/remote).

📜 Global Compliance

GCC, SASO 2664, ESMA, and ISO certifications meet market access requirements for international expansion.

An ideal solution for meeting decentralized water supply demands

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Core Technical Parameters

Processing capacity 100–1000 tons/day (customizable)
Inlet TDS ≤42,000 ppm (seawater)
TDS of produced water ≤500 ppm (direct drinking standard)
Desalination rate ≥99.2%
Recycling rate 35–45%
Operating temperature -20°C to 55°C
Container Type 20-foot / 40-foot standard ISO container

Application Scenarios

◈ Oil and Gas Fields: Water supply for camps in Middle East/Central Asia and platform freshwater.
◈ Islands/Remote areas: Direct drinking water for residents, campsites, and construction sites.
◈ Ships/Offshore Platforms: Freshwater replenishment for offshore operations.
◈ Emergency supply: Disaster relief, temporary camps, and battlefield water supply.

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Frequently Asked Questions

Q: Can it withstand the high temperatures of 55°C in the Middle East?

A: Yes. It is equipped with specialized heat-resistant membranes and a cooling system to maintain stable operation at 55°C, featuring dust and sand resistance.

Q: Can containers be transported by sea or land?

A: Yes. Standard ISO containers are suitable for global sea and land transport, and can be easily relocated and reused upon project completion.

Q: How are operations and spare parts ensured?

A: We maintain spare parts warehouses in the Middle East and Central Asia, offer remote monitoring, and have localized engineers for 24/7 response.

Q: Does the produced water meet drinking standards?

A: Yes, our system produces water with TDS ≤500 ppm, which is fully compliant with international direct drinking water standards.

Q: How long does it take to get the system running on-site?

A: Due to factory pre-commissioning, the system is plug-and-play and can be fully operational within 72 hours of arrival at the site.

Q: Is the system customizable for different capacities?

A: Absolutely. While standard units handle 100-1000 tons/day, we can customize the capacity and container configuration to meet your specific project needs.

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