China High-Salinity Wastewater Treatment System in China | Suppliers & Factory for Zero Liquid Discharge Solutions Suppliers, Supplier

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OARO Membrane System

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The OARO membrane system is a cutting-edge solution for China’s high-salinity wastewater treatment needs. Designed specifically for industries like chemical, pharmaceutical, and electroplating, this advanced system utilizes innovative evaporation and crystallization technologies to significantly reduce wastewater and lower treatment costs. As a top choice among suppliers and factories, it offers fully automated operation, low energy consumption, and a compact footprint, achieving near-zero liquid discharge effortlessly. With its reliable and durable performance, the OARO system supports enterprises in meeting regulatory standards and advancing toward eco-friendly production practices.

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Product Description

Our Solution

Shanghai Tongjie Environmental Protection's high-salt wastewater reduction and resource recovery system employs a combined process of OARO (Optical Advanced Reverse Osmosis) for high-salt concentration, DTRO (Dialysis-Treated Reverse Osmosis) for high-pressure reverse osmosis, and MVR (Membrane Vapor Recovery) for evaporation and crystallization.

The raw water has a TDS concentration of 10,000–50,000 ppm, which is concentrated to over 150,000 ppm TDS, achieving zero wastewater discharge and salt resource recovery.

Adapted for high-salt industries such as chemical engineering, electroplating, lithium salts, coal chemical industry, pharmaceuticals, and printing and dyeing.

Core Advantages

STRO

1. High concentration ratio and reduction rate: The combination of pretreatment + OARO reduces the concentrated water volume by 80–90%, significantly decreasing the evaporation scale.

2. Modular skid-mounted design: Enables rapid factory prefabrication and on-site commissioning within 30 days, reducing civil construction by 60% while allowing phased expansion.

DTRO

3. Energy conservation and cost reduction: Energy consumption is reduced by 40%. Membrane concentration replaces partial evaporation, with energy consumption per ton of water ≤0.8 kWh, resulting in a 30% reduction in operating costs.

4. Pollution-resistant and scale-preventing: Long-lasting stable wide-channel anti-pollution membrane + softening pretreatment, tolerant to high hardness/high COD, with cleaning cycle extended by 3 times.

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

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Core Technical Parameters

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

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Lithium salt industry: Concentration of brine from salt lakes and concentrated wastewater from lithium mining.
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Chemical Industry: High-salt organic wastewater, reduction of evaporation mother liquor.
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Electroplating/Textile: Heavy metal-containing high-salt wastewater, dye concentrate wastewater.
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Pharmaceuticals: Fermentation of high-salt wastewater with zero discharge.
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Mineral water: High-salinity mine water for salt resource recovery.

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Frequently Asked Questions

Can high COD levels (2000 ppm) be treated?
By employing a coupled "pre-treatment + membrane separation" technology, the COD removal rate exceeds 90%, allowing direct feed into the membrane system.
Can lithium extraction from concentrated water achieve industrial-grade purity?
Yes, our specialized lithium extraction process yields lithium salts with a purity of ≥99%, directly meeting battery-grade and industrial-grade requirements.
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.
How long does the on-site commissioning take?
Our modular skid-mounted design allows for rapid factory prefabrication and on-site commissioning within just 30 days.
What is the energy consumption of the system?
Energy consumption is highly optimized; per ton of water processed, energy consumption is ≤0.8 kWh, resulting in a 40% reduction compared to traditional methods.
What is the processing capacity of the resource recovery system?
The system is highly customizable, with standard processing capacities ranging from 50 to 5000 tons per day depending on project requirements.

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