InsightsTreating DI Water in the Cleaning Process and Reducing Disposal Costs
High DI water consumption and the absence of a discharge permit can make electronic assembly cleaning unnecessarily expensive. ZESTRON supported an industrial customer in treating and reusing the rinsing medium multiple times, reducing disposal volumes and making the cleaning process more economical.
— DI WATER TREATMENT IN ELECTRONIC ASSEMBLY CLEANING When High DI Water Consumption Becomes a Cost Factor
In electronic assembly cleaning, deionized water is an important part of many rinsing processes. If the used DI water is disposed of after every process cycle, operating costs can increase significantly. This becomes particularly critical when no discharge permit is available and the rinsing medium has to be disposed of externally on a regular basis.
In this customer project, two factors created the need for action: outdated single-chamber spray systems with high DI water consumption and the inability to discharge the used rinsing medium directly. The goal was to adapt the cleaning process so that DI water could be treated and reused several times, significantly reducing the volume requiring disposal.
ZESTRON supported the technical assessment and, together with the customer’s equipment partner, developed a concept for treating and reusing DI water within the existing cleaning process.
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— Initial SituationOutdated Systems, High DI Water Consumption and Expensive Disposal
The customer was using two older single-chamber spray systems for cleaning electronic assemblies. These systems consumed large amounts of DI water, which could not be discharged directly after use.
Since no discharge permit was available, the used rinsing medium had to be disposed of regularly. This resulted in high ongoing costs, not caused by the cleaning task itself, but by water consumption, waste volume and disposal effort.
The central question for the customer was therefore: How can the existing cleaning process be adapted to reduce DI water consumption and rinsing medium disposal while maintaining process reliability?
— solution APProachTreating DI Water Multiple Times Instead of Disposing of It After Each Process Cycle
Together with the customer’s equipment partner, an adapted process concept was developed. The goal was not to fully dispose of the DI water after each cleaning cycle, but to treat and reuse it multiple times.
This new approach significantly reduced the amount of rinsing medium requiring disposal, while maintaining focus on a stable and controlled cleaning process.
For the customer, this meant less disposal effort, lower ongoing operating costs and more efficient use of the DI water in the cleaning process.
— Guidance for Your Cleaning Process Frequently Asked Questions About DI Water Treatment in Electronics Cleaning
DI water is used as a rinsing medium in many cleaning processes to remove residues after cleaning electronic assemblies. The quality of the rinse water directly affects the cleaning results and process reliability.
DI water becomes a cost factor when large volumes are consumed and must subsequently be disposed of. This can become particularly expensive if no discharge permit is available and the used rinse medium must be disposed of externally.
Disposal costs can be reduced if the used DI water is treated and reused multiple times. This decreases the volume of rinse medium that needs to be disposed of.
If no discharge permit is available, used rinse water cannot simply be discharged. In such cases, the rinse medium often has to be collected and disposed of at a cost. An adapted DI water treatment system can help reduce the volume requiring disposal.
ZESTRON evaluates the existing cleaning process, DI water consumption, rinsing strategy, and potential treatment approaches. The goal is to achieve a cost-effective and process-reliable cleaning process with reduced consumption and lower disposal volumes.
— zestron ExpertiseDo You Want to Reduce DI Water Consumption and Disposal Costs?
Briefly describe your current cleaning situation. ZESTRON supports you in technically assessing DI water consumption, the rinsing process, water treatment options and disposal effort.
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