What information do you need to size a seawater RO or industrial water treatment system?

Send a recent raw water analysis (TDS, conductivity, hardness, silica, iron/manganese, SDI or turbidity, oil and suspended solids where relevant), feed water temperature range, required product water quality and daily capacity, target recovery, available power supply (voltage/frequency), site conditions and whether you prefer a skid or containerized layout. With this data our engineers prepare a process design, mass balance and equipment list.

How fast can a containerized seawater desalination plant start producing water?

Tongjie containerized seawater RO units are fully prefabricated, assembled and tested in our Shanghai factory before shipment. On arrival the unit only needs basic power, intake and product water connections, so commissioning is short and predictable, which suits emergency supply, remote islands, construction camps and decentralized permanent supply.

Can your oil and gas produced water system meet reinjection requirements?

Yes. The system combines oil removal, softening, disc tube reverse osmosis (DTRO) and concentration. Treated reinjection water reaches oil content of 5 mg/L or less and suspended solids of 1 mg/L or less, enabling zero-discharge reuse of fracturing flowback. The skid-mounted container design can be commissioned within about 15 days and supports unmanned operation with remote monitoring for sites such as the Middle East and Kazakhstan.

Do your pharmaceutical purified water systems support validation?

Our pharmaceutical water systems use pretreatment, precision filtration, RO and EDI, and are built to pharmaceutical engineering practice with online monitoring of conductivity, temperature and flow. Data is recorded and traceable, and documentation is prepared to support your validation and qualification activities.

Do you offer ODM/OEM water treatment equipment?

Yes. We supply ODM/OEM membrane systems for distributors, EPC contractors and equipment brands, including customized capacity, materials, control systems, container layouts, labeling and documentation.

Which certifications and qualifications does Tongjie hold?

Tongjie holds CE certification and ISO 9001, ISO 14001 and ISO 45001 management system certifications. The company is a National High-Tech Enterprise and Shanghai Specialized & Sophisticated Enterprise, holds Class II contracting qualifications in environmental protection engineering and in mechanical and electrical installation, and owns more than 38 invention and utility patents plus software copyrights.

Wholesale Oilfield Fracturing Flowback Fluid Factory, Manufacturers

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Wholesale Oilfield Fracturing Flowback Fluid Factory, Manufacturers

Shanghai Tongjie Environmental Protection has specifically designed an oil and gas field produced water treatment system for oil fields.
With oil tolerance ≤5000 ppm and TDS ≤150,000 ppm, the system employs a comprehensive treatment process combining oil removal, softening, DTRO (Dissolved Total Oxygen Removal), and concentration. The treated reinjected water contains ≤5 mg/L oil and ≤1 mg/L suspended solids, enabling zero-discharge reuse of fracturing Discharge fluid. Designed as a skid-mound container unit, it achieves rapid commissioning within 15 days with intelligent unmanned operation and remote monitoring. Compatible with harsh environments such as those in the Middle East and Kazakhstan, this solution ensures effortless compliance with regulatory standards.

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Product Description

✔ Our Solution

Shanghai Tongjie Environmental Protection's oilfield produced water treatment system is specifically designed for oilfields in the Middle East, Kazakhstan, Xinjiang, and other regions. It employs a full-process technology comprising "pre-treatment (oil removal/gas flotation) + softening + ultrafiltration + DTRO high-pressure reverse osmosis + concentrate concentration."

The influent contains ≤5000 ppm oil and ≤150,000 ppm TDS; the treated reinjected water meets standards (oil content ≤5 mg/L, suspended solids ≤1 mg/L), achieving zero discharge and reuse of fracturing discharge fluid. The system features containerized modular design with factory prefabrication and commissioning, enabling on-site operation within 15 days.

⚙ Core Technical Parameters

Oil content in influent	≤5000 ppm
Inlet TDS	≤150,000 ppm
Oil content in effluent	≤5 mg/L (for reinjection)
Suspended solids in effluent	≤1 mg/L (for reinjection)
Processing capacity	100–5000 tons/day (customizable)
Process	Air flotation + Softening + Ultrafiltration + DTRO + Concentration
Format	20-foot/40-foot container skid-mounted unit

Inlet TDS	10,000–50,000 ppm
After concentration, TDS	150,000 ppm+
Processing capacity	50–5000 tons/day (customizable)
Process	Pretreatment + OARO + MVR

🎯 Application Scenarios

Oilfield produced water: Middle East/Kazakhstan oilfield produced water reinjection
Fracking discharge fluid: Zero-emission shale oil/shale gas fracturing fluids with reuse capabilities
Drilling Wastewater from Oil and Gas Fields: Advanced Treatment of Drilling Mud Water and Well Wash Water
Offshore Platform: Platform oil-contaminated wastewater and produced water are purified and reinjected.

An ideal solution for meeting short-term or long-term decentralized water supply demands

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❓ Frequently Asked Questions

Q1 Can high oil content (5000 ppm) be treated?

Through multi-stage air flotation combined with coalescence oil removal, the oil concentration is reduced from 5000 ppm to ≤5 mg/L, ensuring stable compliance with standards.

Q2 Is it suitable for desert environments with extreme temperatures?

It withstands temperatures up to 55°C and down to -30°C, features dust and sand resistance, and is explosion-proof, making it ideal for extreme oilfield conditions.

Q3 Can the system operate without human supervision?

With fully automatic operation, remote monitoring, and fault early warning capabilities, it enables unmanned operation, significantly reducing maintenance costs.

Q4 Is system scaling severe?

With chemical softening, anti-fouling membrane, and online cleaning, the scaling risk is reduced by 80%, ensuring long-term stable operation.

Q5 What is the standard processing capacity range?

The processing capacity ranges from 50 to 5000 tons/day and can be fully customized based on specific site requirements.

Q6 How quickly can the system be deployed on site?

Thanks to its containerized modular design with factory prefabrication and commissioning, the system enables rapid on-site operation within 15 days.