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Massive organic solvent is adopted in the extraction process of herbal medicines and botanical active ingredients. Traditional solvent recovery relies on multi-stage distillation, which requires high temperature, consumes large amounts of steam and leads to loss of heat-sensitive active substances. Meanwhile, distillation equipment occupies huge workshop space and brings high operation costs. Cross-flow reverse osmosis membrane separation realizes solvent recovery at mild temperature via pressure-driven molecular interception. It traps macromolecular active compounds while allowing low-molecular alcohol solvent to penetrate the membrane. This paper introduces the working principle, integrated skid structure, complete production workflow and industrial strengths of solvent recovery RO membrane equipment. Compared with traditional distillation devices, the membrane system cuts energy consumption, retains active ingredient activity and reduces production costs, providing a low-carbon recy
Dairy production generates massive wastewater rich in lactose, protein, fat and organic matter. Direct discharge causes serious environmental pollution and wastes recyclable water resources. Traditional wastewater treatment including sedimentation and biochemical tanks occupies large space, consumes high power and fails to recover reusable water efficiently. Reverse osmosis (RO) cross-flow membrane technology can intercept organic pollutants and salt substances at low temperature, realizing wastewater purification and water recycling simultaneously. This paper introduces the working principle, structural configuration, process flow and practical advantages of industrial RO membrane systems for dairy wastewater treatment. Compared with conventional treatment methods, RO membrane equipment achieves high water recovery rate, small floor area and automatic operation, helping dairy factories cut water procurement cost and meet global environmental discharge standards, delivering dual benefi
Milk concentration is a vital process in the dairy industry, which is crucial for extending product shelf life, reducing costs, and producing high-value products. Traditional thermal evaporation methods have drawbacks such as nutrient loss and high energy consumption, while membrane technology has become a preferred alternative due to its low energy consumption, high separation efficiency, and excellent nutrient retention. This paper elaborates on the role of membrane technology in milk concentration, focusing on the application of three core membrane technologies (ultrafiltration, reverse osmosis, and nanofiltration), and analyzes their advantages in nutrient retention, product quality improvement, and green production.
