Application technology of bipolar membrane electrodialysis

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Application technology of bipolar membrane electrodialysis

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Application technology of bipolar membrane electrodialysis Specification

Installation Modes
Skid-mounted for plug-and-play or custom-engineered solutions

Control Interface
PLC-based touch screen control, remote monitoring and diagnostics

Compliance
Designed to meet international environmental and safety standards

Expansion Capability
System scalable by adding or removing membrane stacks

Membrane Lifetime
Typically >3 years with recommended operation and maintenance

Current Density
up to 4000 A/m possible with proper configuration

Main Components
Bipolar membrane, cation exchange membrane, anion exchange membrane, electrode system, electrodialysis stack

Voltage Range
0100V adjustable (depending on stack size and application)

Operation Mode
Continuous or batch operation depending on process requirements

Membrane Material
Special polymer composite with strong chemical and mechanical resistance

Advantages
Efficient acid-base separation, energy savings, reduces chemical consumption, environmentally friendly, enables resource recycling

Acid/Base Output
Able to generate high-purity acid and base solutions (HCl, NaOH, etc.)

pH Range
113, suitable for a wide variety of feeds

Environmental Impact
Minimizes secondary pollution, reduces hazardous waste discharge

Typical Feed Solutions
Industrial saline wastewater, byproduct streams containing sodium salts or other recoverable ions

System Footprint
Compact modular design, suitable for integration into industrial systems

Operating Temperature
540C (41104F)

Working Principle
Utilizes a bipolar membrane and ion exchange process to separate and recover acids and bases from salt solutions via electrodialysis

Application Areas
Wastewater treatment, acid and alkali recovery, resource recycling, chemical processes, environmental protection

System Control
Automated control with adjustable voltage and current supply for optimal performance

Performance Indicators
High acid and base production rates, low energy consumption, high current efficiency, long membrane lifespan

Product Name
Application technology of bipolar membrane electrodialysis

Maintenance Requirements
Low; periodic inspection and cleaning of membranes recommended

Flow Rate Range
0.5 to 50 m3/h, customizable based on application

Application technology of bipolar membrane electrodialysis Trade Information

Payment Terms
Telegraphic Transfer (T/T), Letter of Credit (L/C)

Sample Available
No

Packaging Details
Organic acid production In the process of organic acid fermentation, lye must be added to control the pH value of the fermentation liquid, so the sodium salt solution of organic acid is formed after fermentation. The conversion of organic acid sodium salt to organic acid is a basic step in the production process. Traditional Method 1: Cation exchange resin (produces a lot of wastewater) Traditional Method 2: Lime precipitation, sulfuric acid dissolution (producing a lot of wastewater and waste residue) Bipolar membrane method: the organic acid sodium salt is directly converted into organic acid and sodium hydroxide, the production process does not need to add acid, there is no pollutant discharge, the formed lye can be reused in production, and has obvious economic and social benefits. Organic acids: citric acid, lactic acid, tartaric acid, gluconic acid, succinic acid, etc

Main Export Market(s)
Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa, Asia, Australia

Main Domestic Market
All India

About Application technology of bipolar membrane electrodialysis

Bipolar membrane is a kind of thin film material with many applications. Its special structure and properties make it widely used in battery, separation, catalysis and other fields.

In the field of batteries, bipolar membranes can be used to prepare various types of batteries, such as lithium-ion batteries, sodium-ion batteries, lead-acid batteries, etc. Its application can improve the energy density of the battery, reduce the internal resistance, extend the life and so on. For example, in lithium-ion batteries, the double can isolate the charge between the anode and cathode, prevent the battery from short circuit, and also avoid the mutual reaction between the anode and cathode, improving the cycle life of the battery.

In the field of separation, bipolar membranes can be used for ion exchange, membrane filtration, etc. For example, in desalination seawater can be desalted by isolating salt and water molecules through selective channels of positive and negative ions. In the chemical industry, it can also be used in the process of acid-base separation and purification of organic matter, with high separation efficiency and selectivity.

In the field of catalysis, bipolar membranes can be used to prepare catalysts and accelerate chemical reactions. For example, in electrochemical synthesis reactions, it can be used as a catalyst carrier to improve reaction rate and selectivity. In organic synthesis, it can also be used in photocatalytic reactions and electrocatalytic reactions to perform functional modifications on various organic molecules.

Precision Performance for Industrial Needs

Designed for demanding industrial environments, the bipolar membrane electrodialysis system offers adjustable voltage (0-100V) and high current density capabilities up to 4000 A/m2. Its modular footprint fits seamlessly into existing infrastructure, facilitating integration and expansion. The system delivers high acid and base production efficiency, promoting operational flexibility from batch to continuous processing.

Robust and Reliable Operation

Utilizing special polymer composite membranes known for chemical and mechanical resistance, this technology ensures membrane lifetimes typically exceeding 3 years with recommended maintenance. Regular inspection and membrane cleaning help sustain optimal performance. Remote monitoring and diagnostics facilitate preventive maintenance, keeping system downtime to a minimum.

Environmental Stewardship

By enabling efficient acid-base separation and resource recycling, this solution supports environmentally responsible operations. It minimizes secondary pollution and hazardous waste generation while reducing overall chemical consumption. Compliance with international safety and environmental standards further reinforces its suitability for eco-conscious industries.

FAQ's of Application technology of bipolar membrane electrodialysis:

Q: How does bipolar membrane electrodialysis separate acids and bases from saline solutions?

A: The system utilizes bipolar and ion exchange membranes within an electrodialysis stack, which, when activated by an electrical current, causes ions to migrate and dissociate, effectively separating acid and base from the salty feed solution. This process enables targeted recovery of high-purity acids and alkalis, such as HCl and NaOH.

Q: What types of applications can this technology be customized for?

A: Its flexible design allows for use in wastewater treatment, acid and alkali recovery, resource recycling, chemical processes, and environmental protection. Flow rate, stack size, and system configuration can be tailored to specific industrial requirements for optimal performance and integration.

Q: When is membrane maintenance required for optimal performance?

A: Periodic inspection and cleaning of the membranes are recommended, typically aligned with scheduled system maintenance intervals. This helps maximize membrane lifespan-often over three years-and sustain system efficiency and reliability over extended operation.

Q: Where can the system be installed within industrial operations?

A: Thanks to its compact, skid-mounted design and scalable structure, the system can be installed as a plug-and-play unit or integrated into custom-engineered processes within a wide range of industrial facilities across India and other global locations.

Q: What process controls and monitoring options are available?

A: The system features an intuitive PLC-based touch screen interface, allowing real-time adjustment of voltage and current parameters. Advanced remote monitoring and diagnostic features enable operators to track system performance and identify potential issues swiftly.

Q: How does using this technology benefit operational efficiency and environmental impact?

A: It delivers energy savings by optimizing acid-base separation and reducing chemical input. The efficient resource recovery lowers hazardous waste emissions and supports compliance with environmental standards, making operations more sustainable and cost-effective.

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