Large amounts of wastewater generated in dairy farms contain pathogens, feces, and other from contaminated that prevent the disposal into the sewer systems without pretreatment. They often generate odors and, in some cases, dust, which also needs to be controlled. Nano Gas solutions include the following benefits:
- Optimization of water usage minimizing the need for cleaning chemicals.
- Separation, segregation of effluents, facilitating the wastewater recycling process.
- Reduction of color and color components with an O2 redox process
- Meeting the permitted municipal discharge limits without the use of chemicals.
Producing milk, butter, cheese, yogurt, or other dairy products using pasteurization or homogenization produces wastewater with high levels of BOD (Biological Oxygen Demand) and COD (Chemical Oxygen Demand) load and must be reduced before being discharged to municipal treatment facilities. Typical by-products include buttermilk, whey, and their derivatives. Large amounts of water are used during the process producing effluents containing dissolved sugars and proteins, fats, and possibly residues of additives.
Characteristics of Dairy Wastewater Effluents
- Biochemical oxygen demand (BOD), with an average ranging from 0.8 to 2.5 kilograms per metric ton (kg/t) of milk in the untreated effluent
- Chemical oxygen demand (COD), which is normally about 1.5 times the BOD level
- Total suspended solids (TSS), at 100–1,000 milligrams per liter (mg/l)
- Total dissolved solids (TDS): phosphorus (10–100 mg/l), and nitrogen (about 6% of the BOD level).
Nano Gas is a natural element that can be used in various steps of the manufacturing process, from breaking up FOGs (Fat Oil & Grease), through precipitating solids to the reduction-oxidation of various compounds, helping reduce production costs, reduce or remove the need for chemicals, improve the organic byproduct and liquid recycling of the effluents and meet the regulatory limits for effluent disposal.