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An extrusion line equipped with a FIMIC RAS600 melt filter
Starlinger recoSTAR dynamic 165 C-VAC recycling line equipped with a FIMIC RAS700 filter developed for Anviplas
Global successes for
January 2017 was a busy month for Italian melt filtration specialist FIMIC, which installed a total of five custom- designed systems in five different countries. These five lines are handling very different material streams: LDPE post-consumer; LDPE post-industrial; LDPE post-industrial and post-consumer mixed; PP post-consumer big bags; and HDPE and PS unwashed post-industrial. The first of the five projects was
realised in the US for an existing FIMIC customer handling 2,800 kg/h of post-consumer LDPE with around 8% cardboard content. Its second FIMIC line is designed for recycling LDPE packaging waste into r-plastic profiles. It provides a throughput of approximately 1,500 kg/h thanks to the use of a FIMIC RAS600 melt filter with 600 micron punched screen, which was customised with some optional special accessories. Based on previous production
experience, the customer opted to purchase an extrusion line with an agglomeration unit to accommodate high moisture levels (moisture levels of up to 10% are typical in the input material). During valve opening, the FIMIC melt filter allows both the contamination captured on the screen and also the residual gases, including moisture, to be released. The installation of the agglom- eration unit in the extrusion line means the customer is able to process highly contaminated post-consumer waste. The requirements of this North
American profile application did not require fine filtration, so the customer is using FIMIC punched screens. For processing post-industrial LDPE (which is
relatively clean compared to post-con- sumer material) that requires finer filtration qualities, FIMIC introduced laser-drilled screens six years ago. These are more expensive than punched screens but are said to be much less costly than other laser screens in the market. Laser screens can normally be reused
up to four times if cleaned in a pyrolytic oven. This is one of the reasons why many FIMIC customers are now replacing their existing filters, either manual or auto- matic laser or mesh types, with its laser filters. Experience has shown the FIMIC laser filters are not only more economi- cally viable (the cost of spares and consumables come down by half) but provide a clearly superior output quality. For this reason, the remaining four of
Recycled agricultural film filtered using a FIMIC laser screen 100µm (here) compared to a competitive laser screen (below)
the five filters installed by the company during January use laser filtration (100-250 micron), guaranteeing superior product quality and a lower percentage of melt loss. Anviplas S.L., which is located near Barcelona in Spain, is one example. It has installed a new Starlinger recoSTAR dynamic 165 C-VAC extruder with a FIMIC RAS700 melt filter with a constant filtration of 100µm to handle 1,500 kg/h of post-industrial and post-consumer LDPE films. Anviplas General Director Mr Aleix
Vintró Anglès says he is very satisfied with this investment, confirming that not only the quality of the final product is better compared to the previous recycling line (supplied by a FIMIC competitor) but the difference in filter losses is beyond what was expected. Losses of between 7-10% on the original line have been reduced to 0.7-0.9% using the FIMIC melt filter, he says. This is important as it will allow Anviplas to increase the percentage of post-consum- er material in the input stream and to increase sales margin, while at the same time keeping output quality unchanged. FIMIC says that the fundamental
requirement of plastics recycling is equipment that increases quality but also allows customers to be flexible. Rather than manufacturing standard filters, each FIMIC filter is custom developed to suit the customer’s material and to provide production flexibility, either with post- industrial or post-consumer waste. The company says it believes it is essential to adapt to the market evolution; over the years, technological evolution has played a key part in the growth of plastic recycling.
For more information: Tel: +39 049 595 7163 | Email:
info@fimic.it | Web:
www.fimic.it
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