Extrusion Asia Edition 2-2024

32 加工,回收 Extrusion Asia Edition 2/2024 解决方案的需求，双重过滤正在成为许多回收工厂的标准做 法。在美国，随着各州和市政府颁布旨在减少塑料废物和提 高回收率的法律，类似的趋势正在出现。 为了应对这些挑战，塑料回收行业越来越多地转向双重 过滤技术。该工艺涉及在回收过程中让塑料材料通过两个连 续的过滤阶段，显著地提高了最终产品的纯度和质量。 第二个过滤阶段采用更纤细的过滤器或额外的专门过滤 系统，以去除可能穿透过第一个过滤器的更小的颗粒和污染 物。其结果是得到一种更纯净、质量更高的再生塑料，可以 满足包括汽车、包装和消费品在内的各个行业的严格要求。 尽管双重过滤有其优点，但也不是没有挑战。这一工艺需要 对设备和技术进行大量投资，这可能成为规模较小的回收作 业的障碍。此外，回收过程的复杂性增加可能导致更高的运 营成本。然而，FIMIC拥有经过实践证明的双重过滤技术，能 够处理被严重污染的塑料废弃物，只需一台机器和两个过滤 步骤:这就是ERA熔体过滤器。使用ERA过滤器，可以有效地 处理一些重度污染的废弃物料流，而无需安装两个单独的熔 体过滤器和熔体泵，或两个单独的挤出机。回收商不仅避免 了更高额的投资，同时还缩短了熔体在生产线不同部位的更 长的滞留时间，滞留时间过长会导致物料长期摩擦造成的降 解问题。 事实证明，在更低的温度、更低的压力水平和更短的滞 留时间下处理塑料废物，可以获得更高的最终产品质量。FI- MIC特别专注于通过关注降低运营成本，达到消费后废弃物 料流的更高水平，这是FIMIC系列产品的许多优势之一。通过 在第二个过滤室中放置第一个筛网和第二个更精细的筛网， 回收者可以在ERA过滤器的第一个刮拭室中获得预过滤，并 从第一个排放阀排放污染物。同样的，通过从第二个排放阀( 独立于第一个，放置在熔体过滤器的底部)排出污染，也可以 处理残留在第二个滤网上的污染。由于两个排污阀互相独 立，第二个腔室上的滤网以较慢的速度工作，与第一个滤网 相比，排出的污染物更少。这种新的FIMIC技术允许处理严重 污染的塑料废物流，只需一台机器和两个过滤步骤，使用更 便宜的滤网过滤出较粗(通常是最危险的)杂质，然后进入更精 细的滤网(即更昂贵的)。 FIMIC的熔体过滤器代表着塑料回收技术的重大进步， 为该行业一些最紧迫的挑战提供了解决方案。ERA熔体过滤 器凭借其自动操作、自清洁系统和处理重度污染的能力，正 在为回收过程中的效率、质量和多功能性设定新的标准。随 着对高质量回收塑料的需求继续增长，这一时代将在该行业 实现可持续性和减少塑料废料的努力中发挥关键作用。 预分类LLDPE拉伸未洗膜，FIMIC ERA 500 Pre-sorted LLDPE stretch unwashed FIMIC ERA 500 预分类LLDPE拉伸未洗膜，其他过滤器 Pre-sorted LLDPE stretch unwashed other filter T he global plastic waste crisis has reached alarming levels, with millions of tons of plastic waste generated annually. Much of this waste ends up in landfills or the environment, where it can take centuries to decompose. Recycling offers a solution, but traditional recycling processes often struggle to produce materials of sufficient quality for reuse in high-value applications. Contaminants such as dirt, oils, and non-plastic materials can compromise the integrity of recycled plastics, limiting their use and market value. The increasing demand for high-quality recycled plastics, driven by both consumer preferences and regulatory mandates, is leading to broader adoption of double filtration systems in re- cycling facilities. Companies across the plastics value chain are investing in advanced recycling technologies to enhance the quality of their output and to stay competitive in a rapidly evolving market. For example, in Europe, where stringent regulations like the Eu- ropean Union's Single-Use Plastics Directive are driving the need for more sustainable plastic solutions, double filtration is becoming a standard practice in many recycling plants. In the United States, similar trends are emerging as states and munici- palities enact laws aimed at reducing plastic waste and increas- ing recycling rates. In response to these challenges, the industry is increasingly turning to double filtration techniques. This process involves passing plastic materials through two successive filtration stages during recycling, significantly improving the purity and quality of the end product. This second filtration stage employs a finer filter or an additio- nal specialized filtration system designed to remove even smal- ler particles and contaminants that may have passed through the first filter. The result is a much purer, higher-quality recycled plastic that can meet the stringent requirements of various in- dustries, including automotive, packaging, and consumer goods. Despite its advantages, double filtration is not without challen- ges. The process requires significant investment in equipment and technology, which can be a barrier for smaller recycling operations. Additionally, the increased complexity of the recy- cling process can lead to higher operational costs. However, FIMIC has a proven double filtration technology that