What are the core technologies of solid-liquid separation and filtration?

Solid-liquid separation and filtration is a common separation technology, widely used in chemical, pharmaceutical, food and other fields. Its core technology mainly includes the following aspects:

1. Filter medium selection: Selecting the right filter medium is the key to achieve efficient solid-liquid separation. Commonly used filter media include filter paper, filter cloth, filter membrane, etc. Different filtration media have different filtration accuracy and air permeability, and it is necessary to select the appropriate filtration media according to the specific separation requirements.

2. Filtration method: solid-liquid separation and filtration mainly include pressure filtration, centrifugal filtration and vacuum filtration. Different filtering modes have different advantages and disadvantages. You need to select an appropriate filtering mode based on different application scenarios.

3. Filtration equipment design: The design of filtration equipment has a great impact on the effect of solid-liquid separation and filtration. Common filtration equipment includes plate and frame filter, Shaker centrifuge, filter cloth vacuum filter and so on. Reasonable equipment design can improve filtration efficiency and separation effect.

4. Control of operating parameters: Effective control of operating parameters in the solid-liquid separation and filtration process is also one of the core technologies. The control of parameters such as filtration pressure, filtration speed and stirring speed can affect the effect and speed of solid-liquid separation.

5. Cleaning and maintenance: Timely cleaning of filtration equipment and replacement of filtration media is the key to ensure the solid-liquid separation and filtration effect. Regular maintenance of equipment and keeping equipment in good condition is also one of the core technologies.

In summary, the core technology of solid-liquid separation and filtration includes filtration medium selection, filtration mode, filtration equipment design, operating parameter control and cleaning and maintenance, etc. Only by taking these technical factors into account can efficient and high-quality solid-liquid separation and filtration be achieved.