Gneuss Extrusion PET recycling 24-02-2023

Gneuss Extrusion PET recycling

-Extrusion line for PET recycling for KTDI

Founded over 30 years ago to provide central research and development for fiber manufacturers, the KTDI is located in the center of Korea’s fiber manufacturing region. It has a large technical center which is open to the public and for general use, which is especially attractive to small and medium enterprises (SMEs) as they can run trials on the equipment at the KTDI technical center.

With the increasing emphasis on sustainability, fiber manufacturers are looking for ways of using recycled material for making fibers, whether it be recycling post-consumer PET bottle flake to high quality yarn, or recycling PET fiber waste from fiber production. For use in its technical center, the Korea Textile Development Institute (KTDI), Daegu/Korea, decided to buy a Gneuss MRS 70 Extruder, with dosing feeders, vacuum system, automatic Melt Filtration System and Online Viscometer for processing PET waste to pellets, with fiber spinning in mind.Gneuss Extrusion PET recycling

With the MRS extruder, it is possible to process PET waste directly to fibers but for a pilot line, the intermediate stage of processing to pellets/chip gives more flexibility.

When processing post-consumer PET bottle flake to pellets (chip) for yarn manufacture, the MRS extruder from Gneuss Kunststofftechnik GmbH, Bad Oeynhausen/Germany, offers the opportunity to adjust the viscosity of the PET by means of the vacuum. The MRS extruder can be fed with undried PET bottle flake and the moisture is extracted under vacuum in the multi rotation section of the extruder. The depth of the vacuum determines how much moisture is removed and how much effect hydrolysis has on the viscosity of the PET melt as it comes from the extruder.

Using the reading from the Online Viscometer, the KTDI can adjust the vacuum level to give the required IV which can vary considerably depending on the application of the fibers (textile or technical grades). Gneuss Extrusion PET recycling

The automatic viscosity control can even automatically vary the vacuum depth in order to maintain the set viscosity. A consistent viscosity is important when high quality fibers are manufactured. The Gneuss Online Viscometer VIS provides accurate, reliable and repeatable real time measurement of the dynamic viscosity.

Another feature is the ability to process PET post-industrial fiber waste, which has both a high residual moisture level and is coated with spin finish oils. This fiber waste is notoriously difficult to recycle. The successful application of the MRS extruder in the processing of agglomerated wet, spin finish oil treated PET industrial fiber waste has shown how both the moisture and the spin finish oils could be efficiently and reliably extracted under vacuum in the multi rotation devolatilizing section of the extruder.

The devolatilization performance of the MRS extruder also equates to good decontamination performance. Gneuss Extrusion PET recycling

Post-consumer PET bottle flake can be recycled for food contact applications to FDA/EFSA standards. Consequently, the pellets/chips made on the extruder can be used for food contact applications.

To round off the package, the KTDI also specified the Gneuss RSFgenius Melt Filtration System. This system is self-cleaning and offers the possibility of very fine filtration even with the relatively high contamination loads which are encountered when processing post-consumer PET bottle flake. The emphasis at the institute is on manufacturing pellets/chips for high quality fibers, which require fine filtration. The RSFgenius Melt Filtration System offers this possibility without causing disturbances in the process and with long intervals between filter element changes. Gneuss Extrusion PET recycling


Gneuss Extrusion PET recycling

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Circularix Macquarie PET recycling 14-02-2023

Circularix Macquarie PET recycling

-Circularix and Macquarie Group to build and operate PET recycling plants across U.S.

HPC Industries LLC and Macquarie Group’s Commodities and Global Markets group (Macquarie) have formed a joint venture to produce recycled polyethylene terephthalate (rPET).

Under the name Circularix, the venture’s plans include building and operating five recycling facilities across the U.S. with a total annual production capacity of more than 275 million pounds of rPET resin. The first facility, located in Hatfield, PA, is expected to be operational by December 2022. Leon Farahnik is chairman and CEO of Circularix. Alex Delnik, former CEO and founder of Verdeco Recycling, will serve as president and Chief Operating Officer. In addition to its investment as a partner in the joint venture, Macquarie is assisting Circularix with project debt, equipment finance, FX hedging and other risk management solutions to support its future growth. Circularix Macquarie PET recycling

“Consumer brands are struggling to meet their sustainability goals as current rPET supply is unable to scale as needed,” Farahnik said. “Our move into rPET production is the beginning of a major and much-needed capacity expansion in the United States, and we are excited to continue playing an important role in the plastics recycling industry by uniting our experience with Macquarie’s.”

Macquarie is a leading provider of risk management, market access and capital and financing solutions to the petrochemicals industry and has played a leading role in environmental product markets, sustainable infrastructure and the waste sector around the world for more than 15 years. Macquarie formed its Sustainable Waste Solutions team in 2020 to provide finance and growth capital solutions to clients in the waste sector, with a focus on helping facilitate the transition to a circular economy. Circularix Macquarie PET recycling

Ben Glover, Executive Director in Macquarie’s Specialized and Asset Finance division, said: “We are delighted to support our clients in delivering the practical infrastructure needed to expand production capacity for post-consumer recycled materials. Ventures such as Circularix are a key part of the supply chain that will drive more post-consumer material back into higher value recycled packaging markets.” Circularix Macquarie PET recycling

(Source: PR Newswire)


Circularix Macquarie PET recycling

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