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Traditional Chinese medicine extraction liquid contains complex impurities such as plant pectin, macromolecular protein, tannin, residual starch and inorganic salts after water and alcohol extraction. Traditional purification methods including alcohol precipitation, resin adsorption and vacuum concentration have the disadvantages of high reagent consumption, long process cycle, serious active ingredient loss and high energy consumption, which cannot meet the production standards of high-purity and high-stability herbal finished products. Cross-flow nanofiltration membrane technology realizes physical impurity removal, desalination, decolorization and low-temperature concentration through precise molecular screening. It effectively removes invalid macromolecular impurities and small-molecule heterologous substances while fully retaining heat-sensitive active ingredients. This green and efficient separation process has become the core refining technology for modern Chinese medicine deep-
Protein hydrolysis and enzymatic digestion processes produce crude polypeptide liquid containing macromolecular impurities, undigested protein, suspended solids and colloidal residues. Traditional purification methods such as alcohol precipitation and vacuum concentration cause serious active peptide loss, low product purity and high energy consumption, failing to meet the production requirements of high-purity functional polypeptide raw materials. Cross-flow ultrafiltration membrane technology realizes precise molecular grading and low-temperature concentration through physical screening. It effectively intercepts invalid macromolecular impurities while retaining small-molecule active polypeptides, improving product purity and solution clarity. This low-temperature, green and efficient membrane process has become the preferred refining solution for modern biological protein deep-processing enterprises.
Dairy raw milk and whey liquid contain complex fat components, suspended solids and protein precipitates. Traditional thermal fat separation and static flotation processes feature low separation accuracy, long processing cycles and unstable fat recovery rates, which cannot meet the standardized production requirements of high-purity cream and defatted dairy raw materials. The horizontal decanter centrifuge adopts high-speed centrifugal sedimentation technology to realize continuous three-phase separation of solid, liquid and fat. It efficiently separates milk fat, residual solid impurities and defatted liquid under low-temperature closed conditions. The equipment improves fat recovery rate, guarantees stable product quality, and reduces raw material waste, becoming essential core equipment for modern dairy raw material refining and cream processing lines.
