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This article introduces the application of membrane filtration and membrane concentration technology in tea powder manufacturing. Different from traditional high-temperature thermal concentration, membrane separation operates under low-temperature room-temperature conditions. Microfiltration and ultrafiltration remove tea residues, colloids and suspended impurities to clarify tea leachate, while nanofiltration and reverse osmosis concentrate tea extracts without damaging tea polyphenols, tea aroma and active nutrients. The integrated membrane system reduces energy consumption, shortens spray drying cycles and improves the solubility, flavor and stability of finished instant tea powder, suitable for mass processing of green tea, black tea and oolong tea powder.
In many fields of modern industry and daily life, efficient and precise separation technologies are of utmost importance. As an advanced separation method, membrane filtration, with its unique advantages, is playing a crucial role in industries such as water purification, food and beverage, and phar
TCM extracts often require concentration and desalination to meet commercial quality benchmarks, and nanofiltration membrane for traditional Chinese medicine extraction provides a low-energy, high-efficiency solution for this critical step.Nanofiltration (NF) membranes (0.0001–0.001μm pore size) sel
