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Donaldson Company, Inc., a leading worldwide provider of innovative filtration products and solutions, announced it acquired Solaris Biotechnology Srl. Solaris designs and manufactures bioprocessing equipment, including bioreactors, fermenters and tangential flow filtration systems for use in food and beverage, biotechnology and other life sciences markets. Solaris’ product portfolio ranges from benchtop systems for research and development to pilot and commercial-scale manufacturing systems.

Solaris was founded in 2002 and is headquartered in Porto Mantovano, Italy, with US operations based in Berkeley, CA. The Company has approximately 30 employees. Donaldson acquired Solaris for approximately €41 million. Calendar year 2021 revenue is projected to be approximately €5 million and will be reported within the Donaldson Industrial Filtration Solutions business in the Industrial Products segment.

Revolutionised process treats beverages in two separate streams using a combination of Pasteurization, Filtration, and UV technology

Tetra Pak launched a new, first-of-its-kind low-energy processing line for juice, nectar and still drinks (JNSD) to take beverage processing to a new level of efficiency. Innovatively using a unique combination of Pasteurization, Filtration and UV Light technology to treat beverages in two separate streams, which are aseptically blended together into the final beverage.

Instead of pasteurizing the whole volume of the product, the new production line separates out water and pasteurizes only the concentrate. Water is treated separately with Filtration and UV Light which requires a lot less energy. In the new JNSD line customers reduce energy consumption up to 67 % and water consumption used for cleaning-in-place, sterilisation and product change-over is cut up to 50 %.

Maria Norlin, Subcategory Manager JNSD & Other Beverages, Tetra Pak said: “We realised that we needed to rethink JNSD processing and find a more sustainable solution, that at the same time still provides a high level of food safety & quality assurance for our customers. The launch of our new low-energy JNSD processing line, ‘Best Practice Line for JNSD with Aseptic Blending’, illustrates how we are innovating with traditional processing methods in pursuit of more sustainable and efficient solutions. Our decision to split the existing JNSD line into two separate processing streams for treatment allows us to offer our customers processing options that can help them achieve their climate goals, and enables the industry to contribute towards global sustainability efforts.”

Sterile filtration has proven itself to be a key process in the final filtration of plant extracts and water in life science applications as well as in the separation of microorganisms in the cosmetics industry. To aid in this task, the Filtration Division of the energy management company Eaton is proud to introduce the BECO MEMBRAN PS Pure DL™. This membrane filter cartridge for sterile filtration features double-layer membranes and achieves an absolute retention rate of 0.1 µm.

The first membrane layer of the filter cartridge, which has an absolute retention rate of 0.2 µm, acts like a pre-filter that optimally protects the second membrane which provides an absolute retention rate of 0.1 µm. This retention rate, together with the maximized filter area of 8.6 ft² (0.8 m²) per 10-inch element, results in a particularly efficient process. The asymmetric hydrophilic pore structure of the pleated polyethersulfone (PES) membrane optimizes the flow rate and ensures an effective flow combined with a low differential pressure. At the same time, this structure ensures a high level of microbiological retention.

Safe filtration for a wide range of applications
In the separation of microorganisms, the BECO MEMBRAN PS Pure DL membrane filter cartridge achieves an LRV (log reduction value) of > 7/cm². “This makes membrane filter cartridges one of the safest types of filtration media on the market,” says Hans Peter Discher, Product Manager Filter Media at Eaton’s Filtration Division. These filter cartridges are also characterized by their great chemical compatibility with a wide range of cleaning agents (pH values 1 to 14). “Considering the increased filter surface due to the pleated design, filter cartridges are available for versatile use in a wide variety of applications,” added Discher. “This includes the separation of very small microorganisms in the final filtration of water and plant extracts.”

The maximum operating temperature of the membrane filter cartridge is 80 °C (176 °F). For sterilization with steam, a temperature of 273 °F (134 °C) at a differential pressure of 0.5 bar, (50 kPa, 7.25 psig) is permissible. The high level of microbiological retention can be checked and ensured by means of an integrity test. The easy wettability of the membranes simplifies the implementation.

Flexible and robust
The BECO MEMBRAN PS Pure DL membrane filter cartridge is available in lengths of 10, 20 and 30 inches, corresponding respectively to filter areas of 0.8, 1.6 and 2.4 m² (8.6, 17.2 and 24.8 ft²). The membranes are protected by polypropylene (PP) support fleeces. Cage and core made of PP help guarantee maximum mechanical stability. All versions are equipped with adapter 7 (SOE — single open end).

Further information on the advantages and technical data of the BECO MEMBRAN PS Pure DL filter cartridges is available at

The advantages of BECO MEMBRAN PS Pure DL at a glance:

  • Double-layer membrane: the pre-filter layer protects the final filter layer
  • High retention rate of microorganisms
  • Economical operation due to high filter area
  • Asymmetric, hydrophilic membrane structure for effective flow and a high level of microbiological retention
  • Broad chemical compatibility
  • Simple integrity test

Eaton’s Filtration Division is a leader in liquid filtration that can help companies improve product quality, increase manufacturing efficiency, protect employees and equipment, and help achieve sustainability goals. Eaton employees around the world make a difference for their customers by creating an exceptional customer experience, solving problems with application expertise and developing innovative filtration solutions. Eaton’s filtration products are manufactured and sold worldwide. For more information, visit

Eaton’s mission is to improve the quality of life and the environment through the use of power management technologies and services. We provide sustainable solutions that help our customers effectively manage electrical, hydraulic, and mechanical power – more safely, more efficiently, and more reliably. Eaton’s 2019 revenues were $21.4 billion, and we sell products to customers in more than 175 countries. We have approximately 95,000 employees. For more information, visit

$15 million investment to strengthen Donaldson’s material science capabilities

Donaldson Company, Inc., a leading worldwide manufacturer of innovative filtration products and solutions, broke ground on a $15 million Material Research Center at its corporate headquarters in Bloomington, Minnesota.

As customers’ equipment and technology advance, Donaldson’s engineering, technology and operations staffs continually develop original solutions that anticipate and exceed these evolving requirements. The company currently holds more than 1,800 active U.S. and international patents, has over 100 technical laboratories and employs hundreds of engineers, scientists and technicians.

Research and development investments like the Material Research Center help Donaldson attract the technical talent necessary for Donaldson’s success in innovation and commercialization of materials and technologies.

With the addition of the Material Research Center, Donaldson will add six researchers and engineers to the company’s headquarters population of 1,100 employees. The architect for the planned 17,000-square-foot building is TKDA and the construction company is Gardner Builders. The Center is scheduled to open in November 2019.