Olaprixa Industrial Olaprixa Industrial

OEM/ODM Electrodialysis Water Treatment Supplier & Exporter

Custom Engineered Ion-Exchange Solutions for Global Industrial Wastewater Reclamation & Desalination

Advanced System Integration Portfolio

Discover our flagship industrial water engineering machinery built for heavy duty separation, chemical control, and membrane purification.

Chlorine Dosing Control System for Water Treatment

Reliable Chlorine Dosing Control System for Water Treatment

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Industrial Water Purification Treatment System

1/2/3/4/5/10m3/Day Industrial Water Purification Treatment System

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High Quality DAF System Filter

High Quality Dissolved Air Flotation DAF System Filter

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Professional Sludge Dewatering Equipment

Professional Sludge Dewatering Equipment for Plants

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Litree All-in-One UF Purifier

Litree All-in-One Ultrafiltration (UF) Purifier System

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Full-Auto Reverse Osmosis Machine

Full-Auto Reverse Osmosis Pure Water Treatment Machine

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Integrated Sewage Treatment Equipment

Integrated Sewage & Sludge Dewatering Plant

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Custom Steam Tube Bundle Dryer System

Customized Steam Tube Bundle Sludge Dryer System

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Engineering Clean Water: Shanghai Olaprixa Industrial Co., Ltd.

Shanghai Olaprixa Industrial Co., Ltd. is a specialized manufacturer and engineering provider focused on advanced industrial wastewater treatment solutions, integrating sludge processing systems and intelligent chemical dosing technologies. Headquartered in Shanghai, China, the company delivers efficient, reliable, and customized water treatment systems for a wide range of industries including manufacturing, chemical processing, food production, and municipal infrastructure.

Olaprixa offers a comprehensive portfolio covering wastewater treatment equipment, sludge dewatering and thickening systems, and precision chemical dosing units designed to optimize treatment performance and operational efficiency. By combining modern process engineering with automation control, the company ensures stable system operation, reduced environmental impact, and compliance with global discharge standards.

Shanghai Olaprixa Industrial Advanced Facilities
Olaprixa Industrial Electrodialysis Membranes Research

With a strong emphasis on customization, Olaprixa provides tailored water engineering solutions based on specific project requirements, from initial consultation and system design to installation guidance and after-sales technical support. Our team of experienced engineers continuously works to enhance system efficiency, reduce energy consumption, and improve resource recovery.

Committed to sustainability and innovation, Shanghai Olaprixa Industrial Co., Ltd. aims to help global clients achieve cleaner production, water reuse, and long-term environmental responsibility through smart and cost-effective treatment technologies. Through our specialized OEM/ODM electrodialysis (ED/EDR) program, we assist global OEMs, engineering consultancies, and end-users in deploying cutting-edge membrane separation units designed for high-salinity and complex industrial effluent.

Global Procurement Demands for Electrodialysis (ED/EDR)

Why international process engineers and environmental EPC contractors are choosing Electrodialysis over traditional membrane systems.

95%+
Water Recovery Rate
Up to 30%
Energy Reduction vs Evap
>200 g/L
TDS Tolerance Capacity
10+ Years
Membrane Lifespan

In the wake of strict global Zero Liquid Discharge (ZLD) regulations and growing water scarcity, industrial enterprises face the challenge of treating highly mineralized wastewater. Traditional separation processes, such as Reverse Osmosis (RO), hit physical limits when salinity (Total Dissolved Solids) exceeds 50,000 mg/L due to excessive osmotic pressures. This is where Electrodialysis (ED) and Electrodialysis Reversal (EDR) show their distinct engineering advantages.

Global procurement offices in regions like North America, Europe, the Middle East, and Southeast Asia are increasingly procuring ED/EDR systems to treat cooling tower blowdown, oilfield produced water, lithium-rich brines, and chemical process streams. By choosing electro-driven separation rather than pressure-driven separation, operators can concentrate salts to extremely high levels without facing the membrane compaction and rapid fouling issues common to high-pressure RO systems.

OEM/ODM Customization & Engineering Blueprint

Our electrodialysis stacks are designed for durability, ease of maintenance, and high ion transfer rates. We offer full OEM and ODM services to integrate electrodialysis packages into existing treatment trains or scale new separation processes from lab benchmarks to industrial operations.

Ion-Exchange Membranes

Selection of homogeneous or heterogeneous anion and cation exchange membranes. Tailored selectivities for monovalent ions (e.g., Cl-, Na+) or multivalent separations depending on downstream target crystallization goals.

Flow Spacer Optimization

Custom thickness flow spacers (from 0.5mm to 1.5mm) configured to minimize fluid resistance, optimize flow velocity, prevent polarization, and adapt to high suspended solids in the feed stream.

Power & Automation

Precision DC power rectifiers combined with PLC/SCADA control networks. Supports automated current reversal (EDR) protocols to flush deposits from membrane surfaces, extending cleaning cycles.

Macro Industrial Solutions & System Integration

Implementing electrodialysis within complex process schemes to reduce chemical consumption, maximize resource loop recovery, and decrease energy usage.

1. Zero Liquid Discharge (ZLD) Pre-Concentration

In conventional wastewater plants, evaporators like MVR (Mechanical Vapor Recompression) are used to crystallize salts. However, evaporators are highly capital intensive. Olaprixa's EDR solutions concentrate brine from 30,000 mg/L up to 150,000–200,000 mg/L TDS prior to the crystallizer. This step reduces the volumetric sizing of down-stream thermal crystallizers by up to 80%, lowering overall CAPEX and OPEX.

2. Monovalent Salt Fractionation

Using monovalent-selective ion-exchange membranes, our ED systems separate monovalent salts (like sodium chloride) from divalent salts (like calcium sulfate or magnesium carbonate). This enables recovery of pure table salt/chlor-alkali feedstocks from mixed waste brines while mitigating scaling hazards in downstream systems.

3. Bipolar Membrane Electrodialysis (BMED) for Resource Recovery

By utilizing bipolar membranes, water molecules are split into H+ and OH- ions. Combined with anion and cation salt-splitting, waste salts (like Na2SO4 or NaCl) are converted directly into clean acids (H2SO4, HCl) and bases (NaOH). This allows plants to regenerate their own chemical cleaning reagents on-site, producing a circular chemical economy.

Technical Roadmap & Future Outlook

Our vision for the next generation of electrochemical separation technology.

Phase 1: High-Density Stacks

Improving membrane packing density per cubic meter of footprint. Reducing overall stack resistance through thin-film homogeneous membranes to lower specific energy consumption below 0.8 kWh/kg of salt removed.

Phase 2: Advanced Anti-Fouling Spacer Coatings

Deploying hydrophilic coatings on turbulence-promoting spacers to discourage biofilms and organic matter accumulation. This reduces CIP (Clean-In-Place) frequency in organic-rich municipal/pharmaceutical effluents.

Phase 3: Digital Twin & Smart Rectifiers

Integrating AI algorithms with variable-frequency DC power rectifiers. By monitoring feed water chemistry variations in real-time, the system automatically adjusts stack current density to prevent polarization limits.

Localization Support, Quality Standards & Compliance

Shanghai Olaprixa Industrial Co., Ltd. operates with global execution standards. We understand that international industrial equipment must fit regional directives. All of our electrodialysis and associated water treatment systems are manufactured in compliance with international certifications including CE (Conformité Européenne), ISO 9001 quality management systems, and industry-specific standards for pressure vessel construction and electrical design.

For global engineering consultants and EPC partners, we provide comprehensive project documentation, including P&ID diagrams, general arrangement drawings, electrical schematics, and factory acceptance testing (FAT) protocols. Our localization services include coordinating on-site commissioning technicians and engineering remote-support solutions to troubleshoot installation phases quickly.

Frequently Asked Technical Questions (FAQ)

Get answers to the most common engineering and procurement questions regarding industrial electrodialysis applications.

What is the difference between Reverse Osmosis (RO) and Electrodialysis (ED)?
Reverse Osmosis uses high pressure to push water molecules through a semi-permeable membrane, leaving salts behind. Electrodialysis uses electrical potential to pull dissolved salt ions through ion-selective membranes, leaving clean water behind. ED is not limited by osmotic pressure, allowing it to concentrate solutions to much higher salinities (above 150,000 mg/L TDS) with lower energy requirements at those concentration ranges compared to evaporation.
How does Electrodialysis Reversal (EDR) mitigate membrane fouling?
EDR periodically reverses the polarity of the DC electrodes (typically 3 to 4 times per hour). This reverses the direction of ion movement through the membranes, breaking up and flushing off scale, organic slime, and colloidal particles that have accumulated on the membrane surfaces. This automatic self-cleaning feature reduces chemical cleaning frequencies and extends membrane life.
What are the feed water quality requirements for Olaprixa Electrodialysis stacks?
To prevent physical blocking of the narrow flow spacer channels, feed water should ideally have turbidity < 1 NTU, SDI (Silt Density Index) < 3, and free chlorine < 0.1 mg/L to protect the membrane polymer backbone. Total organic carbon (TOC) should ideally be under 10 mg/L, though special spacers and EDR protocols can handle more demanding streams.
Can Olaprixa engineer systems for Bipolar Membrane applications?
Yes. We offer custom Bipolar Membrane Electrodialysis (BMED) solutions. This technology splits salts into their respective acids and bases on-site (e.g., converting wastewater sodium chloride into industrial hydrochloric acid and sodium hydroxide), lowering chemical purchasing and waste disposal costs.
What is the typical lifespan of the ion-exchange membranes in industrial operation?
With proper pre-treatment (such as multimedia filtration, carbon filtration, or DAF systems to remove oils and large solids) and regular CIP maintenance, our high-durability membranes typically last between 5 to 7 years, and in municipal applications, they can exceed 10 years.
Do you support OEM and ODM custom labeling and dimensions?
Absolutely. As an experienced exporter, Shanghai Olaprixa provides complete ODM/OEM support. This includes customized membrane dimensions, stack configurations, frame designs, private labeling, custom PLCs, and localized software interfaces for international markets.

Engineered Components & Ancillary Systems

Browse our chemical dosing, pre-filtration, and dewatering equipment designed to work in synergy with membrane desalination packages.

304 Automatic Control Dosing Wastewater System

304 Automatic Control Dosing & Disinfection System

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Chilled Water Chemical Dosing System

Chilled Water PE Chemical Feeding System CE Approved

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Sewage and Wastewater Sludge Handling System

Sewage and Wastewater Mechanical Belt Filter Press

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Heavy-Duty Coarse Rake Screen

Heavy-Duty Coarse Rake for Wastewater Screening

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Medical Wastewater Treatment System

Reliable Integrated Medical Wastewater Treatment Solution

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Cost-Effective Tube Diffuser

Cost-Effective Tube Diffuser for Aeration Basins

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Industrial Groundwater Reverse Osmosis Machine

3t/Hr Industrial Groundwater Well RO Purifying System

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Wastewater DAF Unit

Wastewater DAF Dissolved Air Flotation Unit

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