WASHING | TECHNOLOGY
HDPE starting material, which can be processed into high-quality, food-safe rHDPE pellets using the combined technologies of the two companies, said Lackner. Lindner Washtech offers several washing technologies as modules for plastics recycling systems. This includes Rafter, its pre-washing unit for heavily contaminated, primary shredded plastics, such as post-consumer LDPE films and hard plastics made from HDPE and PP. A three- phase operation separates contaminants and impu- rities like metal and glass and loose material adhesions, with removal by a chain-type conveyor. Rafter offers slow torque speed for gentle process- ing with minimal wear and tear and is easy to integrate into an existing system to increase washing efficiency and optimally prepare the input material for the downstream washing process. Lindner also offers its Twister series of friction washers that ensure highly efficient cleaning of contaminated plastics, where even the finest particles of dirt are removed in a dynamic washing process then separated through a screen. Friction is generated by directing jets of water onto the rotor. The friction washer can be configured with special rotor variants for different materials to guarantee optimum washing efficiency as well as quick-change rotor paddles and screens. The units are designed with a stainless-steel housing and feature a robust design that is maintenance-friendly. The series is available with throughputs up to 5,000 kg/hr. Lindner also developed a hot-wash system specifically for extremely tough contaminants. It removes grease and oil adhering to the material while also eliminating any glue residues and unpleasant odours. The combined use of three special components – a specially designed reactor, and a hot-wash version of both its Rafter unit and Twister unit – effectively removes particles with optimally dosed system and defined material dwell time. The continuous cleaning process of the
IMAGE: SOREMA/GANESHA
Breaking boundaries in Indian PET recycling
Sorema, the division of Italian group Previero which specialises in the construction of plastics recycling plants, has reported on the success of a PET recycling project in India. Ganesha Ecopet has pioneered bottle-to-bottle PET recycling in the country with its new brand Go Rewise and the construction of a recycling plant in Warangal. Sorema called it “a pioneering project, the first of its kind in the country, with a production capacity of 5,000 kg/hr of food-grade recycled PET material”. The facility recycles locally collected PET plastic bottles in a
process that uses a Sorema washing system, followed by an extrusion and solid stating Starlinger section. The “outstanding quality” of the rPET gained approval from Coca-Cola, PepsiCo and others, said Sorema. Flavio Previero, President at Sorema Previero, said: “Sorema is
pleased to have Ganesha as a valued customer and appreciates the significant contribution of the Ganesha team in operating our recycling systems and their commitment to sustainability in India.” He said Sorema has an operational objective to strengthen its
presence in India through local production of some components in its manufacturing process.
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