Food and Beverage Filtration

Food and Beverage Filtration

Food and Beverage Filtration Elements OEM Manufacturer

HENGKO is a professional Manufacturer (OEM) specializing in the production of

high-quality filtration elements for the food and beverage industry. With a commitment

to innovation and quality, HENGKO has established itself as a leader in the filtration technology sector,

providing solutions that enhance the safety, efficiency, and quality of food and beverage processing.


Advantages of Choosing HENGKO:

1. Customization Capabilities:

    HENGKO excels in offering customized solutions tailored to meet the specific requirements of clients' projects.

This includes custom sizes, shapes, and filtration grades to perfectly match the application needs.

2. Advanced Filtration Technology:

Utilizing state-of-the-art manufacturing techniques and materials, HENGKO's filtration elements offer superior

performance in removing contaminants, ensuring the highest quality of the final product.

3. Quality Assurance:

HENGKO adheres to stringent quality control measures throughout the manufacturing process, from raw material

selection to final product testing. This ensures that all filtration elements meet the highest standards of quality and reliability.

4. Expertise in the Food and Beverage Industry:

With years of experience serving the food and beverage sector, HENGKO has a deep understanding

of the industry's requirements and challenges. This expertise allows them to provide solutions that not

only meet but exceed client expectations.

5. Eco-friendly Solutions:

Recognizing the importance of sustainability, HENGKO offers filtration solutions that are not only effective

but also environmentally friendly, helping clients reduce their carbon footprint and contribute to a healthier planet.


The following requirements should be considered:

1. Pore size 

2. Micron rating 

3. Required flow rate  

4. Filter media to be used   


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Types of Food and Beverage Filtration Elements 


The food and beverage industry relies heavily on filtration to ensure product quality, safety, and shelf life. Here are some of the most common types of filtration elements used in this industry:

1. Depth filters:

* These filters consist of a thick, porous media that traps particles as they pass through.
* Common examples include cartridge filters, bag filters, and precoat filters.

Image of Depth filters food and beverage industry  
Depth filters food and beverage industry

* Cartridge filters: These are disposable filters made of various materials like cellulose, polypropylene, or glass fiber. They are available in various pore sizes to remove particles of different sizes.
* Bag filters: These are reusable filters made of fabric or mesh. They are typically used for larger volume filtration and can be cleaned and reused multiple times.
* Precoat filters: These filters use a layer of diatomaceous earth (DE) or another filter aid on top of a support layer to achieve finer filtration.


2. Membrane filters:

* These filters use a thin, selectively permeable membrane to separate particles from liquids.
* They are available in different pore sizes and can be used to remove particles, bacteria, viruses, and even dissolved solids.

Image of Membrane filters food and beverage industry 
Membrane filters food and beverage industry

* Microfiltration (MF): This type of membrane filtration removes particles larger than 0.1 microns, such as bacteria, yeast, and parasites.
* Ultrafiltration (UF): This type of membrane filtration removes particles larger than 0.001 microns, such as viruses, proteins, and large molecules.
* Nanofiltration (NF): This type of membrane filtration removes particles larger than 0.0001 microns, such as multivalent ions, organic molecules, and some viruses.
* Reverse osmosis (RO): This type of membrane filtration removes almost all dissolved solids and impurities from water, leaving behind only pure water molecules.


3. Other filtration elements:

* Clarification filters: These filters are used to remove haze or cloudiness from liquids. They may use depth filtration, membrane filtration, or other methods.

Image of Clarification filters food and beverage industry
Clarification filters food and beverage industry

* Adsorption filters: 

  These filters use a media that traps contaminants through adsorption, a physical process where molecules adhere to the surface of the media. Activated carbon is a common example of an adsorbent used in filtration.

* Centrifuges: 

   These are not technically filters, but they can be used to separate liquids from solids or immiscible liquids by using centrifugal force.


The choice of filtration element depends on the specific application and the desired outcome. Factors to consider include the type of contaminant to be removed, the size of the particles, the volume of liquid to be filtered, and the desired flow rate.



Sintered Stainless Steel Filter Application for Beer Filtration System ?


While sintered stainless steel filters are not generally recommended for beer filtration due to the reasons mentioned earlier, there are some limited applications where they might be used:

* Pre-filtration for cold beer: 

   In cold beer filtration systems, they can be used as a pre-filter to remove large particles like yeast and hop residue before the beer goes through finer filtration steps with depth filters or membrane filters. However, it's important to ensure the chosen sintered filter is made from high-quality, food-grade stainless steel (like 316L) that is resistant to corrosion from the slightly acidic beer. Additionally, thorough cleaning and sanitization procedures are crucial to prevent contamination risks.

* Coarse beer clarification: 

   In some small-scale brewing operations, sintered stainless steel filters might be used for coarse clarification of beer, removing larger particles and improving its appearance. However, this is not a common practice and other filtration methods, like depth filters or centrifuges, are generally preferred for achieving better clarity and removing finer particles.

It's important to note that even in these limited applications, using sintered stainless steel filters for beer filtration is not without risks and should be approached with caution. It's crucial to ensure the chosen filter is suitable for food contact, properly cleaned and sanitized, and not used for extended periods to minimize potential contamination risks.


Here are some alternative filtration methods commonly used in beer filtration:

* Depth filters: 

   These are the most common type of filter used for beer filtration, available in various configurations and pore sizes to remove yeast, haze-causing particles, and other impurities.
* Membrane filters: These can be used for finer filtration, removing bacteria and other microscopic particles.

* Centrifuges: 

   These use centrifugal force to separate solids from liquids, and can be used for clarification or to remove yeast.

For optimal beer filtration and to ensure product safety, consulting with a professional brewer or filtration expert is highly recommended. They can help you choose the most appropriate filtration method based on your specific needs and ensure your filtration process is safe and effective.



OEM Service

HENGKO wouldn't typically recommend our sintered metal filters for direct food and beverage filtration.

However, we can offer customization options suitable for indirect applications like:

* Pre-filtration in high-pressure systems: 

  We can potentially create pre-filters for high-pressure systems, protecting downstream, more sensitive filters from large debris.

* Filtration of hot liquids (with limitations): 

  We can withstand high temperatures, potentially making them applicable for filtering hot liquids like syrups or oils, provided certain conditions are met:* The chosen filter must be made from high-quality, food-grade stainless steel (like 316L) with corrosion resistance to the specific hot liquid.


* Stringent cleaning and sanitization procedures are necessary to minimize contamination risks.


It's crucial to emphasize that even in these limited, indirect applications, using sintered metal filters in food and beverage systems comes with risks and requires careful consideration. Consulting with a food safety expert or professional brewer is strongly advised before using them in any capacity related to food or beverage production.

HENGKO's OEM services for sintered metal filters might focus on customizing properties like:

1. Material selection: 

    Offering various materials besides standard stainless steel, potentially including corrosion-resistant options suitable for specific indirect applications in the food and beverage industry.

2.  Pore size and filtration efficiency: 

    Tailoring pore size and filtration efficiency to suit the specific needs of pre-filtration or hot liquid filtration, if deemed suitable after consultation with an expert.

3.  Shape and size: 

     Providing filters in various shapes and sizes to fit different pre-filtration or hot liquid filtration equipment, again, with expert consultation.


Remember, prioritize consulting with a food safety expert or professional brewer before considering any use of sintered metal filters in food and beverage applications.

We can assess your specific needs and recommend the safest and most effective filtration methods for your situation. 






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