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Company news



14 Jun 2022


February 9, 2021 (ANSONIA, CT USA) . . . FARREL POMINI has completed a second research study on processing Ingeo™ polylactide (PLA) with Farrel Continuous Mixing Technology.  The original study, conducted in 2018, compared the results of processing PLA compounds with various levels of talc mineral filler utilizing the FARREL POMINI CPeX®, a laboratory scale continuous technology mixer, and a twin screw extruder to evaluate the effects on molecular weight retention and melt temperature.  The CPeX® has a nominal production range of 10-30 kg/h.

The original study found that processing with the CPeX® resulted in significantly better molecular weight retention with values as high as 95% depending on the level of filler.  In addition, the trials demonstrated that FCM™ technology provided distinct advantages over the twin screw extruder for lower processing temperature and specific energy input.

In this follow-up study, a production size and scalable CP550 Compact Processor was utilized to confirm the results of talc loading levels on both molecular weight and processing temperatures found with the CPeX® and determine output rate.

The research on the CP550 determined:

*  The molecular weight retention followed the trend seen with the CPeX®.  With the addition of 1% of EBS, a common additive used when processing PLA, the molecular weight retention on the CP550 was 84% at a 60% talc loading level.  The rate is also significantly better than the molecular weight retention on the twin screw extruder found on the initial study.

*  Process temperatures on the CP550 were higher than those seen on the CPeX®, albeit still lower than temperatures on the twin screw extruder.  However, due to the short residence time provided by continuous mixing technology, molecular weight retention is still maintained to an enhanced level.

This study successfully replicated the processing performance of PLA and talc compounds and masterbatches from the CPeX®, Laboratory Compact Processor to the CP Series II™ CP550, a production sized compact processor utilizing continuous mixing technology.  A throughput rate of 450 kg/h was achieved, which falls within the nominal production range for this model.  However, achieving maximum production rate was not a consideration for this study and we believe higher production rates are easily achievable.

The results established processing PLA and talc filled compounds on the production sized CP550 with verified scale-up to larger models demonstrate that FARREL POMINI continuous mixing technology can viably produce PLA filled concentrates at high production rates in a commercial setting.  The CP550 Compact Processor used in this study features an FCM™, Farrel Continuous Mixer feeding a single screw extruder, mounted on a unitized frame.

For more information about FARREL POMINI, visit the company’s website at

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14 Jun 2022


May 10, 2021 (Ansonia, CT USA) … FARREL POMINI is pleased to announce its investment in WF RECYCLE-TECH, a United Kingdom company with a patented pyrolysis system for recycling end-of-life tires.  The WF RECYCLE-TECH system offers a distinct and pioneering approach to the pyrolysis methods currently available.

The partnership, made official in February 2021, allows WF RECYCLE-TECH to leverage the strength of Farrel Continuous Mixing Technology as well as FARREL POMINI’s engineering and manufacturing capabilities to create a solid platform within the pyrolysis sector closing the tire recycling loop by bringing to market a unique and reliable system for processing end-of-life tires and producing viable recovered material outputs.

FARREL POMINI’s investment in WF RECYCLE-TECH provides an entry into the end-of-life tire recycling equipment market. Customers will be able to utilize the WF RECYCLE-TECH system as a solution for end-of-life tires and generate material inputs for the compounding and masterbatch industries. 

According to Paul Lloyd, FARREL POMINI President, “We are delighted to announce this investment and partnership with WF RECYCLE-TECH.  We feel it brings significant opportunities for FARREL POMINI to both support WF RECYCLE-TECH with our commercial and technical expertise while offering our customers, and those of HF MIXING GROUP, an opportunity to utilize the patented system or its outputs.  These innovations will help drive the closing of the tire recycling loop and improve sustainability across several of our business sectors. FARREL POMINI strives to add value for our plastics compounding customers which will ultimately drive more environmentally neutral plastic-based solutions.  With the WF RECYCLE-TECH partnership, we feel we are connecting these goals and providing innovative solutions to our customers.”

The Research and Development Team of FARREL POMINI is working to optimize compounding applications utilizing recovered carbon black to offer existing and potential customers support with processing materials to provide a more sustainable solution to their compounding needs. 

FARREL POMINI is the business unit of HF MIXING GROUP dedicated to continuous mixing technology and is a global leader in the research, design and manufacture of compounding systems for highly filled and temperature sensitive polymer applications.  This unique technology equipment allows for superior energy and maintenance efficiencies, maximum on-stream time and an accelerated return on investment.  In addition to the United States, FARREL POMINI has locations in the United Kingdom, Italy and Singapore. 

For more information about FARREL POMINI, visit the company’s website at

For more information about WF RECYCLE-TECH, visit their website at 


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