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Ensuring optimal product quality in food processing relies on the purity of water. Employing a combination of membrane and deep media filtration, along with reverse osmosis, distillation, deionization, and UV systems, effectively removes microorganisms and particles, elevating water quality standards.

Process filters play a crucial role in eliminating bacteria, mould, yeast, endotoxins, and inorganic substances, meeting stringent purification requirements.

Strategically placed at key process locations, these filters not only eliminate bacteria but also prevent discolouration and off-flavours in the final product.

Whether sourcing water from municipal, well, or spring outlets, our water filtration products treat liquids and process gases, safeguarding tank contents.

Utilizing Sanitek filtration technology facilitates streamlined water quality management, ensuring consistent and reliable product quality from the water source to the final filler.

Enhanced Food and Beverage Processing

Importance of Filtration in Food and Beverage Processing

Filtration serves multiple crucial functions in food and beverage processing. Firstly, it plays a pivotal role in microbial control by effectively managing bacteria, molds, and yeasts in water.

This prevents the presence of harmful microorganisms in food and beverages, ensuring product longevity and safeguarding consumer health.

Secondly, filtration aids in particle removal, preventing solid particles from entering processing equipment and the final product. This safeguards the appearance, taste, and overall quality of the product.

Moreover, filtration enhances the color, odour, and taste of water, particularly in processes requiring purified water in food and beverage manufacturing. This ensures consistent quality and taste in the final product.

Beyond product quality, filtration is vital for protecting process equipment. By preventing particles and microorganisms in water from entering equipment, filtration extends equipment life, reduces maintenance costs, maintains efficient equipment operation, and minimizes the risk of breakdowns and production interruptions.

Adherence to top-priority regulatory standards is essential for the food and beverage industry. A proper filtration system enables producers to meet water quality requirements specified by relevant regulations, ensuring product compliance.

In essence, filtration goes beyond ensuring product quality and safety; it also contributes to equipment maintenance, production efficiency improvement, and compliance with regulations and standards.

Importance of Filtration in Food and Beverage Processing

Key Contributions of Filtration in Food Processing

In food processing, filtration systems play a vital role in ensuring the quality of pure water by forming barriers, employing strategic filter layouts, and minimizing maintenance.

Creating a microbial barrier

Through the strategic use of pre-filters and high-volume filters, filtration systems shield external sources from microorganisms and other organisms, ensuring the purity of the final product.

Pre-filters capture larger particles and microorganisms in the early stages of the filtration process, preventing them from entering the main filter system.

High-capacity filters, on the other hand, provide a durable and effective barrier to microorganisms, reducing the frequency of system maintenance and the risk of exposure to system components.

This strategic approach to filtration not only helps maintain product quality and safety, but also provides a reliable guarantee of long-term stable system operation.

Strategic Filter Layout

Additional security is provided by purposefully placing filters at the point of entry and at the final stage to capture bacteria. This design solution is intended to minimize bacterial invasion as the water enters the system and to ensure a high level of water purity throughout the filtration process.

Having a filter at the point of entry helps to instantly capture microorganisms in the water, preventing them from entering the system, thus effectively reducing the amount of bacteria at the initial stage.

Filters at the final stage serve to remove residual microorganisms, providing an additional safeguard for the system and ensuring that the final product is hygienically safe.

This strategic filter layout not only helps maintain product quality and safety but also facilitates efficient system operation and long-term stability.

Multiple options for barriers

To effectively prevent the spread of bacteria and mold, a variety of barrier options can be used to form a multiple-barrier system.

In addition to measures to inhibit the growth of organisms through high temperatures and to sterilize the system to maintain product purity, the introduction of membrane filters has become a very effective tool for bacteria removal.

This technology provides an efficient barrier to microorganisms by means of microporous membrane filtration, improving product hygiene and safety.

In addition, pre-sterilized encapsulation filters, tank ventilation filters, and filtering of nitrogen/carbon dioxide gas prior to filling the tank are also viable barrier options.

Pre-sterilized encapsulation filters are effective in reducing the presence of microorganisms at the preparation stage, and tank ventilation filters provide an additional barrier against the entry of external contamination during storage.

Filtration of gases, such as filtering nitrogen/carbon dioxide gas prior to filling tanks, also guards against possible microbial contamination.

Multiple options for barriers

Efficient filtration in food and beverage processing

Process-critical filtration products for filtration systems are optimized to ensure that performance requirements are met. Therefore, the strategic placement of different types of filters in the design of a filtration system, including professionally configured application filters and economical pre-filters, will play a key role in achieving functional and economical filtration goals.

Sterilization Filters

Microorganisms in food and beverage applications include bacteria such as lactic acid bacteria but also moulds such as Aspergillus and yeasts such as Saccharomyces cerevisiae present in water.

The best sterilization filters are “sterilized filters” manufactured to pharmaceutical industry standards and typically have a pore size of 0.22 microns. 0.22-micron pores are smaller than bacteria and retain the aforementioned yeast and mold organisms.

The most effective filters for bacteria in water are composed of polyethersulfone membranes because they provide the best flow rate and throughput compared to other media Sanitek offers a wide range of filters proven for liquid filtration.

Sterilization filters are optimized by media layering to enhance capacity and provide high flow rates and throughput over a wide pH range.

Each meets specific filtration goals and is available in a variety of configurations and equipment types. Capsules can be sterilized and high-temperature models are also available.

Sterilization Filters

Controlled Bioburden Filters

High-efficiency PES membrane filters are also the best means of reducing microorganisms and particles in water when bacteria reduction is prioritized over sterility. Contaminant load, particle size and charge will determine the correct pore size and configuration of the single-layer filter or dual-layer filter.

Ultrapure series filters provide high flow rates and throughput over a wide pH range to minimize bacteria. The filters with an integrated prefiltration layer for high capacity can also be used as a prefilter to protect the final filter when used in aseptic applications.

Controlled Bioburden Filters

Endotoxin Removal Filters

Endotoxin is often left behind when UV treatment is used in the purification process. This negatively charged debris can be removed by using a positive nylon 6,6 filter. The filters are validated for absolute bacterial retention and one-step endotoxin removal.

Endotoxin Removal Filters

Tank Vents and Process High Purity Gases

A variety of methods are used to prevent bacteria and other spoilage organisms from entering the system, including filtering the air entering the tank when it is emptied and the process gas used to fill the tank.

Tank vents allow air to flow in and out of the tank. When the tank is full, the air inside escapes. When the tank is emptied, air or gas is allowed to enter the tank to replenish the lost liquid volume. The air or gas entering the tank is filtered to remove particulate and bacterial contamination.

Filters for liquid applications are made of materials that absorb water and allow water to flow with low resistance. However, for air filtration, the media must be kept dry.

If the media becomes wet and the pores fill with liquid, airflow is restricted and the pressure or vacuum inside the tank may reach critical levels and cause tank failure. The materials used in air filters are water resistant and resist wetting by water vapor or water droplets.

To retain airborne particles or bacteria, the filter is made of a hydrophobic 0.22 micron PTFE membrane, which is proven to sterilize process gases and air entering the tank.

Conclusion

Sanitek Filtration offers a variety of solutions for bioburden control, sterilization, and particle removal, including cartridge, capsule, and laboratory-scale filters.

These state-of-the-art filters are suitable for bottling, conditioning, hydrating raw materials, cleaning process equipment, and filling applications, providing the water purity you need for your production process.

If you are considering filtration to improve efficiency and reduce the overall cost of your existing system, Sanitek filtration engineers can evaluate your current system and provide expert recommendations to minimize potential risks and ensure that your water purification goals are met.

You can rely on our team of professionals to work together to develop a customized solution that best suits your business needs.

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