See how ionic liquid dissolves dyed textile waste to produce colored lyocell fibers, recycling
See how air knives and scrapers mechanically retain solvents before extraction, reducing device
See how a two-stage chemical-physical and mechanical process separates polyester from polyureth
See how MRS extrusion with integrated filtration purifies recycled PET flakes in one pass, elim
See how suspension dosing and mechanical pre-recovery improve solvent extraction and homogeneit
See how vacuum extrusion and pre-crystallization remove contaminants from recycled PET flakes t
See how selective solvent dissolution separates sacrificial polymers from multicomponent fibers
See how substituting mineral oil with a more volatile solvent enables efficient recovery, reduc
See how mechanical pre-recovery extracts solvent from UHMWPE yarn before drying, reducing envir
Controlled pH and heat extraction removes dyeing residuals from aramid fibers while preserving dyes and improving crystallinity and strength.
Heating antioxidant-stabilized nonwoven nanofibers strips bonded spinning solvent to below 1000 ppmw without degrading fiber properties.
Multi-stage evaporation and oleum mixing recycle sulfuric acid in aramid spinning while cutting energy use, water demand, and sulfate emissions.
Regenerated PET fibers restore tire reinforcement strength and quality consistency while reducing waste and moisture-related drawbacks.
Combines Raman spectra with calibration models to quantify ionic liquid components and water inline for faster process monitoring and control.
By retaining selected foreign substances during lyocell spinning, this case adds elasticity or color while reducing bleaching, waste, and process complexity.
Sulfuric acid dissolves discontinuous aramid fibers into spin dope for continuous dry-jet wet spinning of recycled fibers with near-virgin quality.