Filter Cartridge Cleaning Principle And Method

1. Cleaning principle:
a. Use the physical washing effect to wash away the particles.
More effective for rigid particles (filter cake clogging).
b. Diatomaceous earth
Effective on the membrane surface (membrane holes are also very narrow).

2: Utilizing the physical and chemical action of cleaning agents(Wetting, emulsification, hydrolysis, dissolution, dispersion, peptization, chelation, etc.)

The filter element can be cleaned to minimize the physical blockage of the membrane, and its effect can be achieved by selecting a reasonable cleaning agent and cleaning method;
Filter cleaning can be divided into forward cleaning and reverse cleaning; reverse cleaning is not recommended, especially for terminal filters.
The reason is that after reverse cleaning, impurities in the cleaning agent or cleaning water will remain on the downstream end of the membrane, which will cause pollution to the next batch of products.

3. Forward cleaning
The cleaning method of the cleaning agent or the washing water from the upstream to the downstream of the membrane can be completed with a pressure slightly greater than the filtration product.

4. Reverse cleaning
a. Cleaning agent, the water used to prepare the cleaning agent and the washing water must be absolutely pure.
b. The pressure should be strictly implemented according to the parameters given in the product manual.

5. When selecting a cleaning agent, the following factors must be considered:

No.1 Type of blockage
Many liquids are complex mixtures, more than one cleaning agent may be required, multiple types of blockages may be required, and multiple cleaning steps may be required.

No.2 Types of membrane and system materials
Cleaning agents must be chemically compatible with membrane and system materials.

No.3 application requirements
The cleaning agent should be chemically compatible with the material being filtered or no residue.

Filter Cartridge Cleaning Principle And Method