▎ 摘　　要

NOVELTY - Preparing bionic jellyfish particle adsorbent comprises (i) setting a piezoelectric disturbance device at the entrance of the microfluidic chip, (ii) using low-viscosity photo-curable aqueous polymer solution as the internal phase, and water as the external phase, impacting the internal phase fluid to adjust the flow rate using piezoelectric disturbance device, so that the internal phase fluid is disturbed and periodically expands and contracts, and forming jellyfish template similar in shape to jellyfish at the downstream, and (iii) irradiating the jellyfish template with ultraviolet light, polymerizing, and obtaining bionic jellyfish particles at downstream of the outlet of the microfluidic chip. USE - The method is useful for preparing bionic jellyfish particle adsorbent, which is useful in sewage treatment (claimed). ADVANTAGE - The bionic jellyfish particle adsorbent utilizes characteristics interface tension of two-phase fluid interface which is easy to deform, actively controls piezoelectric frequency and voltage, accurately controls shape of the bionic water mother particles, has good adsorption flexibility, shape uniformity and controllability, and realizes high-efficient adsorption of pollutant in water. The method has low operation condition requirement, and is simple, controllable, and suitable for mass production. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: a bionic jellyfish particle adsorbent; and method of using bionic jellyfish particle adsorbent in sewage treatment, comprising placing the bionic jellyfish particle adsorbent in the polluted liquid, irradiating with near-infrared laser, so that the bionic jellyfish particles moves and fully contact with the polluted liquid to achieve efficient adsorption.