INNOVATION | PET
Mechanical advances Technology companies that serve the mechanical recycling sector have also reported progress. Erema says customers are increasingly ordering PET recycling systems with higher capacities, highlight- ing its Vacurema technology which enables through- puts of up to 6 tonnes/hr. “While the bottle-to-bottle market initially tended towards 3-tonne machines, over the past three years we have been seeing increasing demand for PET recycling solutions with throughputs in excess of three tonnes per hour,” said Christoph Wöss, Business Development Manager for the Bottle segment at Erema. In total, a dozen Vacurema machines with throughput capaci- ties of 4 to 6 tonnes have been installed and commissioned worldwide since 2020. “Together, these large recycling machines produce almost 350,000 tonnes of rPET per year, which is a clear sign that this order of magnitude is now common- place in the industry,” he said. In several markets, including Latin America, he
said there is a clear trend towards larger PET recycling machines. “We expect the market to develop this way in China too, to meet the increas- ing demand for high-quality rPET suitable for
sensitive applications such as food packaging.” Erema has already installed more than 50 Vacu- rema and Vacunite vacuum-supported solid state polycondensation systems in China, but only a few with throughputs in excess of 4 tonnes/hr. Erema says Vacurema systems are notable for
efficient decontamination, gentle IV treatment and they meet the strict requirements of the European and North American food safety authorities. The rPET pellets can be further processed for different applications: using solid state polycondensation (SSP) for IV adjustment for bottle-to-bottle or high IV applications; an additional upstream vacuum treatment enables direct connection to preform production; or the material can be processed inline into sheets or fibres. “This versatility allows users to react flexibly to changes in the market and fluctua- tions in demand, an important advantage in a dynamic market environment,” said Wöss. In January,NGR announced the European Food
Safety Authority (EFSA) had issued a positive Scientific Opinion for its Liquid State Polycondensa- tion (LSP) Process, making it the first recycling process to complete evaluation under the updated regulation (EU) 2022/1616. Unlike the previous
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