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How to Determine the Optimal Dosage of Silicone Defoamers
Release Date:
2021-12-02
In industrial production, silicone‑based defoamers are among the chemical additives we frequently incorporate. During manufacturing, substantial volumes of industrial wastewater are often generated; if left untreated, such effluents can adversely affect production schedules, costs, and the plant’s environmental conditions. Consequently, wastewater treatment providers commonly rely on silicone‑based defoamers to address foam‑related issues.
In industrial production, silicone‑based defoamers are among the chemical additives we frequently incorporate. During manufacturing, substantial volumes of industrial wastewater are often generated; if left untreated, such effluents can adversely affect production schedules, costs, and the plant’s environmental conditions. Consequently, wastewater treatment providers commonly rely on silicone defoamers to address foam‑related issues. However, many manufacturers struggle with determining the appropriate dosage. Below, we’ll explain how to properly dose silicone‑based defoamers in wastewater treatment processes.
Silicone defoamer
What is the dosage of the silicone-based defoamer for wastewater treatment?
In industrial production, silicone‑based defoamers for wastewater treatment can be applied directly by dripping or spraying. The typical dosage is 0.1–0.3% of the total product weight; if diluted, it is best to use the solution on the same day. Dilution ratios may range from 1:1 to 1:15, depending on the specific circumstances, and tap water is suitable for dilution.
Causes of foaming in wastewater treatment:
1. Detergents and certain surfactants in wastewater give rise to foam under the aeration‑induced agitation and stripping effects.
2. Due to microbial growth and species composition, environmental factors can induce abnormal proliferation of filamentous bacteria and actinomycetes, resulting in foam formation.
3. Due to the high-speed agitation during water treatment, gases are entrained, resulting in foam formation.
How to Choose an Organic Silicon Defoamer for Wastewater Treatment:
When selecting an organosilicone defoamer for wastewater treatment, it’s essential to verify that it can rapidly reduce surface tension and that its defoaming rate is sufficiently fast. You should also assess whether its addition affects the system’s normal operation and ensure that the discharged effluent meets regulatory standards. Additionally, consider the recommended dosage and evaluate its performance under acidic, alkaline, electrolyte‑rich, and hard‑water conditions. Only a defoamer that meets these criteria is truly suitable for your wastewater treatment application.
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