Food Factory Wastewater Treatment Company, Food Additive Wastewater Treatment Environmental Unit, High Oil Content COD Wastewater Treatment Enterprise

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In treating high-oil COD wastewater from food factory workshops, a series of environmentally friendly treatment processes are employed to ensure the effluent meets discharge standards while achieving resource recycling.

I. Processing Procedure

Pre-treatment stage

Grease trap: Utilizes gravity to remove floating oil and most suspended solids from wastewater.

Coagulation Flotation Tank: Adds coagulant to form flocs of suspended solids and oils, which are then separated out by the flotation device.

2. Biochemical Treatment Stage

Anaerobic Treatment: Utilizing UASB reactors to convert organic matter into methane and carbon dioxide, reducing COD concentration.

Aerobic Treatment: Utilizes A/O process or activated sludge method to further degrade organic matter, while achieving nitrogen and phosphorus removal.

3. Deep Processing Stage

Sand filtration: Removes fine suspended particles from wastewater.

Activated Carbon Filtration: Adsorbs residual organic matter in wastewater, enhancing water quality.

Disinfection: Utilizes ultraviolet or Lv disinfection to eliminate pathogenic microorganisms, ensuring safe water output.

II. Processing Effect

After the above treatment process, the oil content in the wastewater is significantly reduced, with the COD removal rate exceeding 90%, resulting in clear and transparent effluent quality that meets both national and local discharge standards.

 Section 3: Technical Advantages

Energy-saving: Adopting advanced processing technology and equipment to enhance efficiency and reduce energy consumption.

Environmental Protection: No secondary pollution during the process, ensuring environmental safety.

Easy to operate: High level of automation reduces manual operations and cuts operational costs.