Struggling with Battery Wastewater Foam? Chemi Tech Provides a Precise Defoaming Solution

During battery production, foam issues in the wastewater treatment process have long troubled many production line managers. Whether in cathode material cleaning, electrolyte preparation, or electrode sheet rinsing, the generated foam not only interferes with liquid level monitoring but also causes overflow, pipe blockage, and even reduces the efficiency of membrane separation systems.

Common general-purpose defoamers on the market often struggle to handle the high salt, high alkalinity, and high surfactant environment of battery wastewater. They either defoam slowly or have short suppression periods, requiring frequent re-dosing that increases costs.

Chemi Tech has developed a dedicated battery wastewater defoamer targeting this pain point. The product uses a special polyether-modified silicone structure that quickly disperses under strong alkaline and high ionic concentration conditions, instantly destroying the foam film wall. It achieves foam elimination within 5 seconds while providing over 8 hours of foam suppression, significantly reducing the frequency of re-dosing.

Specific operation steps:

1. Dilute the defoamer with clean water at a ratio of 0.1% to 0.3% (the undiluted product can also be used directly, but dilution ensures better dispersion).

2. Before the wastewater enters the equalization tank or flotation tank, continuously drip-feed the defoamer using a metering pump, or add it directly to the foam accumulation area.

3. Adjust the dosage based on the site foam level. The initial dosage is typically 50 to 100 grams per ton of wastewater, with fine-tuning according to foam conditions.

Practical application case:

A lithium battery cathode material manufacturer in East China operates a wastewater treatment station with a daily capacity of approximately 500 tons. Foam mainly occurred in the equalization tank and coagulation tank. Previously, a general-purpose defoamer from another brand required re-dosing every 2 hours, and foam still occasionally overflowed. After switching to Chemi Tech defoamer, a single dose maintained a full shift (8 hours) without foam overflow, liquid level monitoring returned to normal, and the subsequent membrane system cleaning cycle extended from once a week to once every two weeks, directly saving maintenance costs and labor hours.

Chemi Tech defoamer is non-corrosive, leaves no residue, does not affect downstream wastewater treatment processes, and the optimized formula reduces its impact on water quality. If you are struggling with battery wastewater foam, give this solution a try.