Polyester filament yarn, whether from pre-consumer sources like processing houses or post-consumer waste from the garment industry, often contains dust, oil, and other contaminants. Despite these impurities, such waste materials still retain considerable value for recycling and reuse. Recognizing this potential, RETECH recently developed a customized PET fabric washing solution for a prominent chemical fiber enterprise in India.
Before visiting RETECH, the client had already conducted internal testing based on the physical properties of their waste fabric materials. Their team provided comprehensive details regarding their waste recycling challenges and specific project requirements during the early stages of communication.
Upon visiting the client’s facility and engaging in face-to-face discussions, RETECH gained deeper insights into their upcoming polyester waste recycling project. The planned plant will have a daily processing capacity of 100 metric tons, emphasizing the need for an efficient and scalable washing system.
The client preferred a hot water washing process to effectively remove dirt, oil, grease, and similar impurities. The solution involved a single high-efficiency hot wash tank with a residence time of 30–40 minutes, allowing for thorough cleaning while maintaining low power consumption and minimal resource usage.
Following in-depth technical discussions and iterative planning, RETECH and the client finalized a washing system tailored for both clean and dirty PET waste fabrics. Key elements of the solution include:
Given the client's mixed material input—ranging from relatively clean scraps to heavily contaminated fabrics—the design includes two RSS1-1200 single-shaft shredders. One handles clean waste fabrics directly, while the other feeds into a full washing line that includes shredding, cleaning, and drying.
PET waste fabrics have a tendency to settle quickly in water. To address this, RETECH upgraded the standard rinsing tanks with fine mesh inserts. This addition prevents material from sinking, ensures effective separation of impurities, and helps maintain a consistent and high output rate.
Polyester materials are known for their high water absorption. To guarantee optimal dryness, RETECH introduced an innovative three-stage drying system built upon conventional drying methods. This ensures the final recycled product is dry, clean, and ready for downstream processing.
RETECH is a creative company focusing on the technology R&D of Plastic recycling machinery solutions.
