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RO with electrodeionization

RO + EDI Ultrapure Water System

Standard configurations are available at 250, 500 and 750 L/h, while custom-engineered systems can be designed up to 10 m³/h according to feed-water quality, required product-water specification and site conditions.

Configure Your SystemSend Water Analysis
Complete white-background RO and EDI ultrapure water system with pretreatment vessels, pumps, piping and control cabinets

Selection answer

When this system is the right starting point.

Start with this RO + EDI family when the approved product-water specification requires EDI ionic polishing after suitable RO pretreatment. Standard configurations are listed at 250, 500 and 750 L/h, with custom-engineered systems up to 10 m³/h after feed and target review.

Best fit

Use this family when these conditions align.

  • Laboratory, electronics, battery, precision-cleaning and other high-purity duties with a defined product-water specification
  • Projects requiring an integrated RO separation and EDI polishing train
  • Standard 250, 500 or 750 L/h demand, or a reviewed custom duty up to 10 m³/h

Compare another system when

Change the process family when the treatment objective changes.

Double-Pass RO

Two RO passes can meet the approved target without an EDI polishing stage, or lower ionic load is required before EDI selection.

Industrial Ultrafiltration

Source-water particle and colloid control needs a separate UF pretreatment assessment before the high-purity train.

System configuration

Custom-engineered around your water requirements

Configure feed-water pretreatment, the RO stage, EDI and final polishing, storage and recirculation, automation, materials, voltage, documentation and site layout around the submitted water analysis and target product-water specification.

  • Standard capacities of 250, 500 and 750 L/h
  • Custom-engineered capacity up to 10 m³/h
  • Integrated RO separation and EDI polishing
  • Pretreatment selected from the submitted feed-water analysis
  • Product-water target engineered for the application
  • Optional remote monitoring for status, alarms, key parameters and technical diagnosis

Project customization options

OEM branding and project-specific configuration.

  • OEM logo and equipment nameplate
  • Voltage and electrical configuration
  • Control system configuration
  • Frame, piping and component options
  • Project-specific documentation

Process boundary

What this system family covers.

01

Feed side

Feed-water analysis determines pretreatment and the RO configuration needed to provide suitable feed to the EDI stage.

02

Core process

The family integrates RO separation with EDI ionic polishing and project-selected automation, materials and controls.

03

Product-water side

Final polishing, UV, storage, recirculation, distribution, sanitization and monitoring are selected from the approved point-of-use specification.

Selection inputs

Information needed before configuration.

  • Complete feed-water analysis, including conductivity, hardness, silica and carbon-dioxide information when available
  • Required conductivity, resistivity or other approved product-water specification at the defined sampling point
  • Required flow, peak demand, daily volume and operating hours
  • RO recovery basis, concentrate route and intended EDI feed conditions
  • Storage, recirculation, sanitization and point-of-use requirements
  • Voltage, controls, monitoring, materials, site layout and documentation needs

Continue the decision

Related solution guidance

  • Ultrapure WaterUltrapure-water systems typically use carefully controlled pretreatment, double-pass RO and EDI, with optional polishing, UV or terminal filtration. The final train and monitoring plan must match the application-specific water specification.
  • Semiconductor Ultrapure WaterSemiconductor water systems can use double-pass RO, EDI, UV, polishing and terminal filtration. The acceptable ionic, TOC, particle and microbial limits must come from the process owner before equipment and monitoring are selected.
  • Laboratory WaterLaboratory water systems can combine pretreatment, RO, EDI and point-of-use polishing. The required grade is method-specific, so the design should begin with instrument, test and microbiological requirements rather than a generic purity claim.
  • Testing Laboratory Water SystemsTesting laboratories should specify water quality from the method or instrument, then select pretreatment, RO, EDI and final polishing to meet that basis at the actual point of use.

RO + EDI · Standard and custom configurations

Configure the system from your water analysis.

Share the feed-water source and analysis, required capacity, target conductivity or resistivity, operating hours and site conditions for a project-specific technical proposal.

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