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Capacitive Deionization is a technology for removing salinity from water.

This innovative technology is used to desalinate water without using resin or membrane filters.

It does not require chemicals to treat water and uses very low power to separate salts in water.

The system comprises of “CDI Cells” which has several electrodes stacked in a compact case. Water is sent through these electrodes at a very low pressure and as water flows through these electrodes a voltage difference is applied (forming a capacitor) between them to disassociate ions present in water.

As water moves through these electrodes, a direct current at a potential difference of 1.6 Volt is supplied. This creates an electrostatic field that attracts the ions dissolved in water to the electrodes. Operating as low voltages, electrolysis and gas production will not occur. The result is the partial or total demineralization of the water.

 

The electrodes behave like those of a normal condenser. At a certain point, the ions will cover the whole surface of the electrodes saturating them. When this occurs, the system senses the potential difference and automatically reverses the polarity of the electrodes. By doing so, the ions that are stuck to the electrodes gets disengaged. The result is a high concentration of dissolved ions that are now sent to drain.

 

The promoters of InnoDI have been working on CDI since 2007. Using this deep understanding on how CDI behaves and works, we have been able to develop many innovations around it that ensures the technology works efficiently and optimally for various applications.

The innovations that makes our CDI solution unique are …

Smart Electronics

This is the key to make CDI work efficiently. Understanding the regeneration cycles, the voltage modulation and taking actions for optimized behavior of the CDI cell is the key for its efficiency.

We have 3 patents on this applicable globally.

Maintenance solution injection

High salinity can lead to precipitation in cells. In order to avoid this, we have developed a unique maintenance solution which removes salinity periodically in the cells.

The process of injecting this maintenance solution is made automatic based on inlet water conditions.

We have a global patent on the maintenance solution and its injection process.

Plug flow concept

Plug flow is a unique concept that we have devised to make use of the full capacity of the CDI cell.

Using this concept, it is possible to manage to deliver the desired output quality of water based on applications.  

We have a global patent on this concept

IoT enablement

All our systems are IoT enabled allowing you to track progress and performance from remote locations.

Using our platform, it is possible to track progress of machine, water quality, amount of water produced and also diagnose remotely.

The platform is a handy tool for governance to track and monitor plant performance remotely.

Innovative design of the CDI cell and assembly process

Our innovative cell design and electrode assembly process ensures that we cater to various applications easily.

With combination of electronics and the plug flow concept we are able to maximize the cell’s utilization to its full capacity. This allows configuring only the required number of electrodes required for an application.

The benefit to the customer is the low cost and sleek design for an application.

Low water wastage

Compared to conventional RO systems that waste more than 50% of water, the maximum water wastage in our CDI system is 20%. This results in long-term conservation of ground water.

Low Operating Cost

Our electronics and maintenance solution injection process ensures long life of our CDI cell. This ensures optimal use of power, less usage of consumables and a delivery of treated water at less than 10 paise per liter.

Retention of Essential Minerals in Water

RO removes all minerals – good and bad – from water. With CDI, by altering the voltage and flow we can control the removal rates and ensure we keep minerals that are required for body – while taking out harmful toxins.

Low energy use

Our CDI system requires less energy for its operation. All its operation is using DC power. The smart electronics ensures optimal usage of current required for its operation. This results in low energy and carbon emission.

Environmentally friendly

CDI does not use any chemicals for treatment. The electrodes are made of carbon materials that are safe for discharge.

How it works

The system comprises of “CDI Cells” which has several electrodes stacked in a compact case. Water is sent through these electrodes at a very low pressure and as water flows through these electrodes a voltage difference is applied (forming a capacitor) between them to disassociate ions present in water.

As water moves through these electrodes, a direct current at a potential difference of 1.6 Volt is supplied. This creates an electrostatic field that attracts the ions dissolved in water to the electrodes. Operating as low voltages, electrolysis and gas production will not occur. The result is the partial or total demineralization of the water.

 

The electrodes behave like those of a normal condenser. At a certain point, the ions will cover the whole surface of the electrodes saturating them. When this occurs, the system senses the potential difference and automatically reverses the polarity of the electrodes. By doing so, the ions that are stuck to the electrodes gets disengaged. The result is a high concentration of dissolved ions that are now sent to drain.

 

Why we are Unique

The promoters of InnoDI have been working on CDI since 2007. Using this deep understanding on how CDI behaves and works, we have been able to develop many innovations around it that ensures the technology works efficiently and optimally for various applications.

The innovations that makes our CDI solution unique are …

Smart Electronics

This is the key to make CDI work efficiently. Understanding the regeneration cycles, the voltage modulation and taking actions for optimized behavior of the CDI cell is the key for its efficiency.

We have 3 patents on this applicable globally.

Maintenance solution injection

High salinity can lead to precipitation in cells. In order to avoid this, we have developed a unique maintenance solution which removes salinity periodically in the cells.

The process of injecting this maintenance solution is made automatic based on inlet water conditions.

We have a global patent on the maintenance solution and its injection process.

Plug flow concept

Plug flow is a unique concept that we have devised to make use of the full capacity of the CDI cell.

Using this concept, it is possible to manage to deliver the desired output quality of water based on applications.  

We have a global patent on this concept

IoT enablement

All our systems are IoT enabled allowing you to track progress and performance from remote locations.

Using our platform, it is possible to track progress of machine, water quality, amount of water produced and also diagnose remotely.

The platform is a handy tool for governance to track and monitor plant performance remotely.

Innovative design of the CDI cell and assembly process

Our innovative cell design and electrode assembly process ensures that we cater to various applications easily.

With combination of electronics and the plug flow concept we are able to maximize the cell’s utilization to its full capacity. This allows configuring only the required number of electrodes required for an application.

The benefit to the customer is the low cost and sleek design for an application.

Benefits CDI provides

Low water wastage

Compared to conventional RO systems that waste more than 50% of water, the maximum water wastage in our CDI system is 20%. This results in long-term conservation of ground water.

Low Operating Cost

Our electronics and maintenance solution injection process ensures long life of our CDI cell. This ensures optimal use of power, less usage of consumables and a delivery of treated water at less than 10 paise per liter.

Retention of Essential Minerals in Water

RO removes all minerals – good and bad – from water. With CDI, by altering the voltage and flow we can control the removal rates and ensure we keep minerals that are required for body – while taking out harmful toxins.

Low energy use

Our CDI system requires less energy for its operation. All its operation is using DC power. The smart electronics ensures optimal usage of current required for its operation. This results in low energy and carbon emission.

Environmentally friendly

CDI does not use any chemicals for treatment. The electrodes are made of carbon materials that are safe for discharge.

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