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The global functional food market sees surging demand for egg yolk peptide, a high-value active ingredient widely used in health supplements, sports nutrition and infant auxiliary food. Traditional solid-liquid separation methods such as plate-frame filtration and static sedimentation fail to separate egg residue, protein hydrolysate and impurity sediment efficiently, featuring low peptide recovery, long processing time and frequent filter material replacement. Horizontal decanter centrifuges rely on continuous differential speed centrifugal separation to separate solid egg residues and liquid peptide stock solution in one sealed step under low-temperature mild conditions. This paper illustrates the working principle, structural features, complete technological flow and multi-scenario application value of food-grade horizontal decanter centrifuges in egg yolk peptide processing. Compared with conventional separation equipment, the decanter centrifuge delivers continuous automatic opera
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
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.
