Lindner presents its new solutions for PET washing and recycling at FAKUMA 2021

24 August 2021

Besides digitalisation and automation, the circular economy is a key topic in the plastics processing industry. Changing from a linear to a circular economy, the quality of the recycled material plays an increasingly important role. Lindner, manufacturer of shredders, system solutions and industrial washing systems for plastics recycling, is taking on this challenge and will be presenting a new hot-wash system for recovering PET (polyethylene terephthalate) at Fakuma 2021, booth A6-6108. Equipped with the new hot-wash tower and the also new Lindner step dryer, the company is setting new standards in PET recycling. When shredding the plastic to be recovered, the focus of Lindner’s Micromat series is firmly on quality, reliability, robustness and experience.

The circular economy remains a hot topic. Sustainability, resource conservation and the reduction of the ecological footprint take centre stage and underline the necessity of recycling all kinds of plastics. In addition to efficiency and cost-effectiveness, the main challenge is to use a reliably functioning system that allows for a high degree of flake purity and therefore high-quality recyclate.

The Micromat, Lindner Recyclingtech’s original powerhouse, shreds waste materials reliably and efficiently. The signature feature of the Micromat series is its Mono Fix rotor, which guarantees universal applicability by enabling different or mixed rotor configurations. Various pointed or flat knives and special counter knives can be fitted to one and the same rotor as required depending on the input material. As a result, this Mono Fix technology ensures a high and consistent throughput with a wide range of materials that are often classified as difficult.

The latest product from Lindner’s subsidiary Washtech is the hot-wash system with the PET hot-wash tower and Lindner’s step dryer, which were developed specifically for the PET sector. The innovative stainless steel step dryer dries the material particularly gently by slowly adjusting the rotation speed in five steps. This results in less friction and a lower fines content. The compact step dryer delivers throughputs of 1,000 3,000 kilograms per hour at a drive power of 30 kW.

Thanks to the new hot-wash, the last remaining contaminants such as adhesives, labels and prints are completely removed from PET bottles. The PET hot-wash tower can be operated with or without caustic solution and works with a separate water circuit. Gentle cleaning and defined dwell times guarantee highquality output materials, which are the perfect basis for producing food grade rPET.

‘The first PET line with the new components has already been sold in German-speaking countries, and commissioning will take place this autumn,’ says a delighted Harald Hoffmann, Managing Director at Lindner Washtech. Lindner Washtech supplies the turnkey line including NIR sorting, label remover and water treatment. ‘With our new washing components, we also want to set new standards in the PET sector and make an important contribution to a functioning circular economy,’ Hoffmann emphasises.

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