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Concentrated milk is widely applied in dairy beverage, bakery and ice cream industries. Traditional concentrated milk production mainly adopts vacuum evaporation, which requires high-temperature operation, consumes massive steam and damages heat-sensitive flavor substances and nutrients in milk. Reverse osmosis membrane technology realizes low-temperature concentration of milk by selectively intercepting milk solids while allowing water molecules to permeate the membrane. It reduces the water content of raw milk under mild conditions, retains natural milk aroma and nutritional components, and significantly cuts energy consumption. This energy-saving membrane process has become an important auxiliary concentration technology for modern concentrated milk manufacturing.
Dairy production generates a large volume of wastewater containing milk protein, lactose, grease and inorganic salts. If discharged directly without proper treatment, such wastewater will cause serious organic pollution and waste recyclable valuable substances. Conventional biochemical treatment and precipitation processes consume large amounts of chemicals and fail to recover lactose and protein resources efficiently. Nanofiltration membrane technology can realize graded separation, concentration and desalination of dairy wastewater under mild conditions. It intercepts organic macromolecules such as residual protein and lactose while partially removing divalent salt ions, so as to recover usable dairy raw materials and produce reusable water. This integrated treatment and recycling scheme reduces pollutant emission and improves resource utilization rate, emerging as a sustainable solution for modern dairy plants.
IntroductionIn the ever-growing beverage market, apple juice holds a significant position due to its refreshing taste, nutritional benefits, and wide consumer appeal. Establishing an efficient and high-quality apple juice production line is crucial for businesses aiming to meet market demands and ga
