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An oil-water separator is an environmentally friendly device that uses physical principles (such as gravity settling, centrifugal separation, and filter interception) to separate immiscible oil and water from a mixture. Its core purpose is to recover oil or to ensure that wastewater meets discharge standards.
Product features
1. High-efficiency separation
Effectively removes suspended oil, dispersed oil, and some emulsified oil, with stable treatment results.
2. Low operating cost
Primarily relies on physical principles for separation, requiring no chemical reagents (for basic models), resulting in low energy consumption and easy maintenance.
3. Protects equipment and the environment
In compressed air systems, protects downstream pipelines and equipment from oil corrosion, improving product quality. In wastewater treatment, prevents direct oil discharge that pollutes the environment, avoiding environmental fines for businesses.
4. Compact structure and easy installation
Most models feature a compact design, easily integrating into existing systems.
Technical Parameters
| Model | Capacity | Service kit model | Filter element quantity | Dimensions (mm) | Weight (kg) |
| ROWS 10 | 10 m3/min | E10 | 3pcs | 550 * 245 * 750 | 20 |
Applications
Oil-water separators have extremely wide applications, almost every field that generates oil-water mixtures requires them. They are mainly divided into two categories:
• Compressed Air Systems (handling oil-water mixtures in air):
◦ All industries using air compressors: such as manufacturing, chemical, food, pharmaceutical, and textile industries, where they are a key component in compressed air purification.
• Wastewater Treatment Systems (handling liquid oil-water mixtures):
◦ Catering Industry: Treatment of oily wastewater from restaurants, hotels, and canteens.
◦ Automotive and Machinery Industry: Treatment of oily cutting fluid and cleaning wastewater from car washes, repair shops, and machining workshops.
◦ Petrochemical Industry: Oily wastewater from oil fields and refineries.
◦ Shipbuilding and Ports: Treatment of oily bilge water from ships.
◦ Iron and Steel Metallurgy Industry: Treatment of coolant and rolling wastewater.
FAQ
Q1: Can emulsified oil be completely separated?
• Gravity-type separation systems cannot: They only process free oil (floating oil layers).
• Solution:
◦ Add a demulsifier to break the emulsion.
Use a coalescing separator (specialized coalescing filter elements absorb tiny oil droplets).
Q2: What causes outlet water quality to exceed standards (oil content > 15 ppm)?
Uncontrolled oil-water interface: A malfunctioning automatic oil drain valve causes oil to mix into the outlet water.
• Excessive flow rate: Exceeding the designed flow rate, insufficient separation time.
• Chemical contamination: Surfactants such as detergents cause re-emulsification of oil and water.
Q3: What should be done if oil solidifies in low winter temperatures?
• Heating and insulation: Install steam coils or electric heating cables in the separation area.
• Chemical conditioning: Add an anti-coagulant to lower the freezing point of the oil.
Q4: Can it replace biological treatment?
• No! It is only used as a pretreatment device to remove floating oil and solids. Advanced treatment requires a combination with a biological tank/membrane filtration.
An oil-water separator is an environmentally friendly device that uses physical principles (such as gravity settling, centrifugal separation, and filter interception) to separate immiscible oil and water from a mixture. Its core purpose is to recover oil or to ensure that wastewater meets discharge standards.
Product features
1. High-efficiency separation
Effectively removes suspended oil, dispersed oil, and some emulsified oil, with stable treatment results.
2. Low operating cost
Primarily relies on physical principles for separation, requiring no chemical reagents (for basic models), resulting in low energy consumption and easy maintenance.
3. Protects equipment and the environment
In compressed air systems, protects downstream pipelines and equipment from oil corrosion, improving product quality. In wastewater treatment, prevents direct oil discharge that pollutes the environment, avoiding environmental fines for businesses.
4. Compact structure and easy installation
Most models feature a compact design, easily integrating into existing systems.
Technical Parameters
| Model | Capacity | Service kit model | Filter element quantity | Dimensions (mm) | Weight (kg) |
| ROWS 10 | 10 m3/min | E10 | 3pcs | 550 * 245 * 750 | 20 |
Applications
Oil-water separators have extremely wide applications, almost every field that generates oil-water mixtures requires them. They are mainly divided into two categories:
• Compressed Air Systems (handling oil-water mixtures in air):
◦ All industries using air compressors: such as manufacturing, chemical, food, pharmaceutical, and textile industries, where they are a key component in compressed air purification.
• Wastewater Treatment Systems (handling liquid oil-water mixtures):
◦ Catering Industry: Treatment of oily wastewater from restaurants, hotels, and canteens.
◦ Automotive and Machinery Industry: Treatment of oily cutting fluid and cleaning wastewater from car washes, repair shops, and machining workshops.
◦ Petrochemical Industry: Oily wastewater from oil fields and refineries.
◦ Shipbuilding and Ports: Treatment of oily bilge water from ships.
◦ Iron and Steel Metallurgy Industry: Treatment of coolant and rolling wastewater.
FAQ
Q1: Can emulsified oil be completely separated?
• Gravity-type separation systems cannot: They only process free oil (floating oil layers).
• Solution:
◦ Add a demulsifier to break the emulsion.
Use a coalescing separator (specialized coalescing filter elements absorb tiny oil droplets).
Q2: What causes outlet water quality to exceed standards (oil content > 15 ppm)?
Uncontrolled oil-water interface: A malfunctioning automatic oil drain valve causes oil to mix into the outlet water.
• Excessive flow rate: Exceeding the designed flow rate, insufficient separation time.
• Chemical contamination: Surfactants such as detergents cause re-emulsification of oil and water.
Q3: What should be done if oil solidifies in low winter temperatures?
• Heating and insulation: Install steam coils or electric heating cables in the separation area.
• Chemical conditioning: Add an anti-coagulant to lower the freezing point of the oil.
Q4: Can it replace biological treatment?
• No! It is only used as a pretreatment device to remove floating oil and solids. Advanced treatment requires a combination with a biological tank/membrane filtration.
