WASTEWATER TREATMENT SYSTEM FOR VEGETABLE OIL
1. Vegetable oil wastewater origin
- In the current production process, the discharged wastewater contains: A large amount of grease, inorganic solids, suspended organic solids, these substances are generated from the oil cooling and washing process. Small amounts of wastewater arise from cleaning equipment in processing and manufacturing systems.
- Therefore, vegetable oil production and processing factories need to build a specialized vegetable oil wastewater treatment system to thoroughly treat the generated wastewater before being discharged into the environment. In order to ensure safety for human health and avoid environmental pollution.
2. Technological scheme of Wastewater Treatment System For Vegetable Oil
- Wastewater: Wastewater from production area according to the drainage system flowing into the collection pit of wastewater treatment plant. Here, sewage screen is installed in the collection pit to remove large impurities. Then wastewater is pumped to oil separator tank.
- Air Conditioning Tank: In the regulating tank, the mixer will mix the waste water throughout the tank, prevent sedimentation in the tank causing unpleasant odors, and regulate the concentration and flow of wastewater inlet.
- Anoxic tank and Aerotank tank: Anoxic tank and an aerotank tank combine to improve efficiency: reducing BOD, nitrifying, reducing NH4 + and reducing NO3- to N2, reducing P.
- Sediment tanks: Water after anoxic tank - aerotank flows itself into a sedimentation tank. Sludge is retained at the bottom of sedimentation tanks.
- Pressure Tank: Waste water after going through the pressure filter tank will pass through the nano tank to remove the remaining SS amount, and disinfect the wastewater.
3. Advantages of Vegetable Oil Wastewater Treatment Technology
- Persistent compounds can be thoroughly treated.
- High concentrations of organic matter can be handled.
- The output wastewater meets the prescribed standards.
- High automation, saving labor costs.
- Capable of producing energy (biogas) from UASB tank
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