Vinegar precipitation, cloudiness, and bacterial contamination have long been persistent technical challenges for brewing enterprises. Traditional filtration methods relying on diatomaceous earth and high-temperature sterilization often lead to flavor loss and process instability. Shandong Qisheng Membrane Separation Technology has developed a dedicated ceramic ultrafiltration membrane system for vinegar, utilizing precision separation technology to achieve efficient sterilization and clarification while preserving the original flavor and physicochemical properties of vinegar – helping manufacturers enhance product quality and reduce overall costs.

Process Flow
Fermented Vinegar → Formulation → Pretreatment → Ceramic Membrane Ultrafiltration → Filling → Finished Product

Ceramic Membrane Ultrafiltration: Accomplishes impurity removal and sterilization in a single step, delivering clear filtrate that does not re-cloud, without the need for heat treatment, while retaining acetic acid and flavor components.
Fully Enclosed Sanitary Design: The system is constructed with sanitary-grade stainless steel, resistant to acids and alkalis, with no extractables, fully compliant with food safety production standards.

Technical Advantages

Precise Separation with Complete Component Retention
Membrane pore sizes are specifically designed to effectively retain bacteria and turbidity-causing substances, while allowing acetic acid and soluble solids to pass through – preserving the original flavor and physicochemical indices of the vinegar.

High-Efficiency Sterilization Replacing Thermal Processes
Sterilization efficiency reaches up to 99.5%, effectively replacing traditional diatomaceous earth filtration and heat sterilization processes, eliminating quality inconsistencies caused by filter media or temperature fluctuations.

Fouling-Resistant, Durable, Low Operating Cost
Crossflow filtration design effectively mitigates membrane fouling. Ceramic membranes offer long service life and easy regeneration, ensuring stable and reliable long-term operation with low overall maintenance costs.

Fully Automatic Control for Easier Operation
The system supports automated operation with online monitoring of key parameters, reducing manual intervention and improving production consistency and management efficiency.

Regulatory Compliant and Highly Adaptable
The system meets QS and food-grade production requirements and is suitable for sterilization and filtration of various condiments including vinegar, soy sauce, and more.

Shandong Qisheng Membrane Separation Technology is committed to providing professional membrane solutions for the brewing and condiment industries. If you have requirements for vinegar sterilization, clarification, or process upgrading, please feel free to contact us for technical proposals and case studies!