Case Sharing
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Heilongjiang Biotechnology Company Annual Production of 50,000 Tons L-Lactic Acid Nanofiltration Purification Project
Project Introduction
Replacing the traditional "multi-stage decolorization/ion exchange" with two-stage nanofiltration continuous purification, achieving decolorization and sugar removal at higher lactic acid concentrations, reducing dependence on chemical additives and lowering energy consumption in downstream evaporation; the entire line is easier to automate and achieve long-term stable compliance.
Technical Parameters
Material Type: L-Lactic Acid
Process Adopted: Nanofiltration Membrane Purification
Processing Capacity: 20 m³/h
Completion/Commissioning: 2020
Performance Highlights
Two-stage recovery rate ≥90%; stable quality in subsequent thermal concentration
Implemented in multiple enterprises, with long membrane lifespan and low operating costs
Main Business
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