In food wastewater treatment, defoamers are essential for managing foam issues that arise due to the high levels of organic matter, fats, oils, and proteins commonly found in food industry effluents. Foam can hinder the efficiency of treatment processes and lead to operational challenges. Here's how defoamers are applied in food wastewater treatment:
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Aeration Tanks:
Food wastewater often generates foam during biological treatment in aeration tanks due to the decomposition of organic compounds. Defoamers help control excessive foam, ensuring efficient oxygen transfer and maintaining biological activity.
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Dissolved Air Flotation (DAF):
In the DAF process, foam can accumulate on the surface, interfering with the separation of solids, oils, and grease. Defoamers reduce surface foam, enhancing the efficiency of the flotation process.
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Anaerobic Digesters:
In anaerobic treatment systems, gas production (e.g., methane) can cause foaming. Defoamers help stabilize the process by preventing foam-related disruptions, such as clogging or gas retention.
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Pumping and Conveyance Systems:
Foam formation in pipes and pumps can cause operational inefficiencies and equipment damage. Defoamers help maintain smooth flow and reduce wear and tear on equipment.
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Regulatory Compliance:
Foam can lead to visible pollution in discharged treated water, violating environmental regulations. Defoamers ensure that treated water meets discharge standards by eliminating foam-related issues.
Product Introduction-----BWF-160 defoamer
* Specially designed for defoaming in water treatment
* Easy dispersion, fast defoaming, long-lasting foam suppression
* No secondary water pollution
* Suitable for various water-based foaming systems
*Applications include circulating water treatment, papermaking, pharmaceutical, leather, power plant, dyeing, printing, seawater desalination, urban sewage, flue gas desulfurization
* Formulation uses environmentally friendly surfactants
* Non-toxic characteristics ensure no impact on bacterial reproduction
* Widespread application in water treatment projects
Classification: Water Treatment Organosilicon Defoamer
Usage: Dilute BWF-160 1-3 times with clean cold water and add it dropwise or spray it in areas with concentrated foam. Alternatively, it can be directly added to well-flowing wastewater. The dosage typically ranges from 50-300 ppm, depending on the foaming characteristics of the wastewater.
| Active Ingredients | Polydimethylsiloxane, Enhancer, Emulsifier, Dispersant |
| Physical Characteristics | Milky white liquid with good flowability |
| Stability (3000 rpm/20 minutes) | No layering |
| Non-volatile Content | 12-20% |
| pH Value | 6-8 |
Packaging and Storage:
The product is packaged in 25KG or 200KG plastic drums. It should be stored at normal temperature, with a shelf life within one year. Take precautions to prevent freezing during storage and transportation.
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