| abstract |
The invention discloses an asymmetric multifunctional heterogeneous composite membrane and a preparation method and application thereof. Asymmetric multi-functional heterogeneous composite membrane includes catalytic degradation rete and functional adsorbed layer, the catalytic degradation rete has asymmetric structure, the catalytic degradation rete includes two-dimensional quantum dot composite catalyst, two-dimensional quantum dot composite catalyst includes carbon quantum dot, iron base quantum dot and two-dimensional slice quantum dot carrier, the size of a dimension of carbon quantum dot is 2~10nm, the size of a dimension of iron base quantum dot is 2~30 nm. The asymmetric multifunctional heterogeneous composite membrane provided by the invention can realize excellent rapid removal performance of pollutants at low cost through the synergistic effect of the adsorption layer and photocatalysis, and meanwhile, the preparation method of the asymmetric multifunctional heterogeneous composite membrane is simple, and the asymmetric multifunctional heterogeneous composite membrane has a good application prospect in the field of wastewater treatment. |