1results about How to "Improve removal ability" patented technology

The invention belongs to the technical field of chemical engineering separation, and provides a natural eutectic solvent and a preparation method and application thereof, the natural eutectic solvent comprises the following components: caprolactam, citric acid and water; wherein the molar ratio of caprolactam to citric acid is (1-4): (1-2); the mass of the water is 20-40% of the sum of the mass of the caprolactam and the mass of the citric acid. By introducing water as a third component, the viscosity of the system is effectively reduced, the mass transfer performance is improved, and the denitrification efficiency is improved. The eutecticevaporate solvent provided by the invention can provide more reaction sites, has relatively strong removal capacity and selectivity on nitrogenous organic matters, and can realize efficient denitrification under mild conditions. The natural deep-eutectic solvent prepared by the preparation method disclosed by the invention is applied to removal of basic nitrides of oil products, and has the advantages of short time consumption and low dosage, namely high removal efficiency.