PET RECYCLING | TECHNOLOGY
good. The ZSK extruders’ high torque enables processing at low temperatures and with almost no viscosity loss. ZSK extruders’ self-cleaning enables rapid recipe and colour changes. Thanks to the ZSK twin screw extruder’s very good devolatilization options, volatile components such as monomers, oligomers, and water are reliably removed and channelled away from the exhaust flow in suitable separators before discharging the process section.” Direct processing of rPET flakes has further advantages, according to Coperion, including reduced operating costs and energy consumption as well as lower logistic expense. Jochen Schofer, Business Segment Manager, Recycling & Direct Extrusion at Coperion, says: “With FDA certification, we have officially confirmed the high product quality of the PET recyclates. With the Coperion solution, we make a technology available to recyclers that is economical and at the same time allows them to make a decisive contribution to the plastic industry’s path towards a circular economy.” In April, Starlinger Recycling Technology supplied its first PET bottle-to-bottle recycling system operating in Turkey. The RecoSTAR PET 215 iV+ system for Başatlı is equipped with one of the biggest extruder sizes that Starlinger is currently building and produces up to 2,400 kg per hour of food-safe rPET. The project is being evaluated by the European Food Safety Authority (EFSA). Başatlı Boru Profil is a producer of industrial steel pipes, hollow sections and sheets located in Kocaeli Province, which branched out into the PET recycling market in 2019. Its rPET flake production up until now has been used in non-food PET packaging, fibres and strapping. Starlinger says the food-grade rPET pellets processed with its FDA, EFSA and brand owner-approved recycling equipment will be supplied to the bottle-to-bottle industry for preform production. “Başatlı is one of the pioneers in PET bottle-to-
bottle recycling in Turkey. We are happy that they have chosen PET recycling equipment from Starlinger for their ambitious project,” says Paul Niedl, Commercial Head of Starlinger Recycling Technology. “With this investment, Başatlı contrib- utes significantly to establishing a PET bottle recycling system in Turkey.” Starlinger has also signed a deal to supply a PET
recycling system to BariQ based in Giza, Egypt, which it says is the biggest PET bottle-to-bottle recycler in the Middle East and North African region. The system comprises a RecoSTAR PET 215 HC iV+ line including a ViscoSTAR 350 SSP reactor. It has an output of 2,700 kg/h and will enable BariQ to increase its total production capacity to 35,000
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tonnes of food-grade rPET pellets per year. Starlinger Group’s Viscotec business builds solid state polycondensation (SSP) reactors for increas- ing intrinsic viscosity (IV) and the ViscoSTAR 350 SSP reactor is the biggest size of the latest reactor generation, providing extended processing capacity and residence time while it keeps the footprint of the new recycling line compact. BariQ started production of food-grade rPET
with a Starlinger PET recycling line in 2012 and holds a positive EFSA opinion and an FDA Letter of Non-Objection (LNO). It is also the first non-Euro- pean recycling company to be registered with ECOEMBES Spain. In November 2021 BariQ was acquired by INTRO Resource Recovery, a member of INTRO Group, to strengthen its waste manage- ment portfolio. As part of the new agreement, BariQ will also
upgrade its existing Starlinger RecoSTAR PET 165 iV+ recycling line with a new melt filter for fine filtration and an additional SSP reactor. Starlinger says: “This setup not only increases the line’s output, it also allows the production of rPET types beyond the regular bottle-to-bottle grades, guaranteeing best decontamination results and 24/7 production of rPET with highest quality specifications.” BariQ is also investing in new sorting equipment
from Tomra Recycling to ensure optimum quality of the input material. BariQ said that the high variabil- ity of the input material and the rising quality requirements of customers are the biggest chal- lenges the company has been facing since it started operations in 2012. BariQ sources its post-consumer bottles mainly from local collection and GCC countries. Starlinger says: “As bottle quality and decontamination vary greatly, the recycling equipment must be able to handle such demanding conditions in order to achieve top rPET quality and meet customer requirements.” Ahmed ElKasaby, Chief Operations Officer at BariQ, says: “During the past decade, Starlinger
March/April 2022 | PLASTICS RECYCLING WORLD 35
Above: Starlinger Recycling Technology has supplied a RecoSTAR PET 215 iV+ bottle-to-bottle recycling system for Başatlı in Turkey
IMAGE: BAŞATLI
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