Method capable of photocatalytically degrading dyes to prepare silver-loaded nano titanium dioxide PVP fiber in microfluidic mode
A nano-titanium dioxide and photodegradation technology, which is applied in the field of photocatalytic degradation materials preparation, can solve the problems of high probability of electron-hole recombination, insufficient catalytic performance, and inability to collect nanopowder, so as to improve photocatalytic activity and promote Photocatalytic activity, effect of reducing toxic components
Active Publication Date: 2018-11-23
NANTONG TEXTILE & SILK IND TECH RES INST +1
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Abstract
The invention discloses a method capable of photocatalytically degrading dyes to prepare a silver-loaded nano titanium dioxide PVP fiber in a microfluidic mode. The method comprises the steps: addinga tetrabutyl titanate solution into an acid solution, mixing to form nano titanium dioxide gel, utilizing an organic solvent to mixing the nano titanium dioxide gel with amine terminated hyperbranchedpolymer to obtain mixed liquor, then adding a silver ion solution into the mixed liquor, drying to obtain silver-loaded nano titanium dioxide powder, mixing the silver-loaded nano titanium dioxide powder with PVP powder in the organic solvent to obtain a microfluidic spinning solution and spinning the microfluidic spinning solution into the silver-loaded nano titanium dioxide PVP fiber in a microfluidic mode. Catalytic fiber preparation in the method disclosed by the invention has a high material utilization rate, and the fiber has a large self catalyzing surface area and high catalytic activity, can effectively reduce dye concentration, can reduce toxic components in dye wastewater and can protect environment and water resources.
Application Domain
Water/sewage treatment by irradiationWater treatment compounds +2
Technology Topic
ChemistryTitanium dioxide +7
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PUM
Property | Measurement | Unit |
Diameter | 15.0 | µm |
Concentration | 0.12 | m |
Diameter | 3.8 | nm |
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