Europe is grappling with a colossal textile waste problem.Over 125 million tonnes of raw materials are devoured by the global industry each year,yet a mere fraction-less than 1%-of these fibres originate from recycled...Europe is grappling with a colossal textile waste problem.Over 125 million tonnes of raw materials are devoured by the global industry each year,yet a mere fraction-less than 1%-of these fibres originate from recycled textiles.The majority faces an unsustainable fate in landfills,incinerators,or is exported.A pivotal new report by Systemiq,"The Textile Recycling Breakthrough,"offers both a stark assessment and a strategic roadmap:Europe has the potential to amplify polyester textile recycling nearly tenfold by 2035,but this hinges on immediate,decisive action from policymakers and the industry.展开更多
A novel mixed matrix nanofiltration membrane was constructed by coating a casting solution containing polyvinylidene fluoride(PVDF),polyethylene glycol(PEG)as hydrophilic agent,zeolitic like framework-67(ZIF-67),ethyl...A novel mixed matrix nanofiltration membrane was constructed by coating a casting solution containing polyvinylidene fluoride(PVDF),polyethylene glycol(PEG)as hydrophilic agent,zeolitic like framework-67(ZIF-67),ethylenediamine as cross-linking agent on Ag-nanoparticle-decorated polyester textile(PT)support(PT/AgNPs/PVDF-PEG/ZIF-67).PT/Ag-NPs/PVDF-PEG/ZIF-67 morphology,crystalline structure,surface chemical composition and hydrophilicity of PT/Ag-NPs/PVDF-PEG/ZIF-67 were fully characterized by field emission scanning electron microscopy(FE-SEM),X-ray diffraction(XRD),Fourier transform infrared spectroscopy(FT-IR)and water contact angle technique,respectively.PT/Ag-NPs/PVDF-PEG/ZIF-67 was applied in cross module set-up for removal of contaminated water containing rose bengal(RB)dye.The effect of operational parameters such as dye concentration,solution pH and flow rate on performance of PT/Ag-NPs/PVDF-PEG/ZIF-67 were investigated and optimized by central composite design(CCD).Casting solution containing 0.5 wt.%ZIF-67 as optimum value showed the good wettability,high pure water flux(PWF;35.8 L·m-2·h-1),flux recovery ratio(FRR;90%),dye removal efficiency(96.41%).The selectivity factor of 12.72 and 14.42 was found to be for RB in the presence of amido black and methylene blue as interferent dyes,respectively,which showed a good selective recognition ability for RB dye.展开更多
文摘Europe is grappling with a colossal textile waste problem.Over 125 million tonnes of raw materials are devoured by the global industry each year,yet a mere fraction-less than 1%-of these fibres originate from recycled textiles.The majority faces an unsustainable fate in landfills,incinerators,or is exported.A pivotal new report by Systemiq,"The Textile Recycling Breakthrough,"offers both a stark assessment and a strategic roadmap:Europe has the potential to amplify polyester textile recycling nearly tenfold by 2035,but this hinges on immediate,decisive action from policymakers and the industry.
文摘A novel mixed matrix nanofiltration membrane was constructed by coating a casting solution containing polyvinylidene fluoride(PVDF),polyethylene glycol(PEG)as hydrophilic agent,zeolitic like framework-67(ZIF-67),ethylenediamine as cross-linking agent on Ag-nanoparticle-decorated polyester textile(PT)support(PT/AgNPs/PVDF-PEG/ZIF-67).PT/Ag-NPs/PVDF-PEG/ZIF-67 morphology,crystalline structure,surface chemical composition and hydrophilicity of PT/Ag-NPs/PVDF-PEG/ZIF-67 were fully characterized by field emission scanning electron microscopy(FE-SEM),X-ray diffraction(XRD),Fourier transform infrared spectroscopy(FT-IR)and water contact angle technique,respectively.PT/Ag-NPs/PVDF-PEG/ZIF-67 was applied in cross module set-up for removal of contaminated water containing rose bengal(RB)dye.The effect of operational parameters such as dye concentration,solution pH and flow rate on performance of PT/Ag-NPs/PVDF-PEG/ZIF-67 were investigated and optimized by central composite design(CCD).Casting solution containing 0.5 wt.%ZIF-67 as optimum value showed the good wettability,high pure water flux(PWF;35.8 L·m-2·h-1),flux recovery ratio(FRR;90%),dye removal efficiency(96.41%).The selectivity factor of 12.72 and 14.42 was found to be for RB in the presence of amido black and methylene blue as interferent dyes,respectively,which showed a good selective recognition ability for RB dye.
