Reverse osmosis membrane as well as preparation method and application thereof

• Main Authors: CHENG YUE, QIU CHANGQUAN, WANG LULU, CHOI YEO-OK
• Format: Patent
• Language: Chinese; English
• Published: 27.09.2022
• Subjects: CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a reverse osmosis membrane and a preparation method and application thereof and belongs to the field of water treatment. The preparation method of the reverse osmosis membrane comprises the following steps: contacting a hydrophilic modified PE microporous membrane with an aqueous phase solution to obtain an intermediate membrane layer with the surface infiltrated by the aqueous phase solution, the aqueous phase solution containing an amine monomer and terephthalic acid; and contacting any surface of the intermediate film layer with an oil phase solution containing an acyl chloride monomer to carry out an interfacial polymerization reaction, and drying. The high-flux acid-resistant reverse osmosis membrane is obtained by improving the preparation mode, so that the high-flux acid-resistant reverse osmosis membrane can be used for high-flux treatment of an acid solution. 一种反渗透膜及其制备方法和应用，属于水处理领域。反渗透膜的制备方法包括：将经亲水改性后的PE微孔膜与水相溶液接触，获得表面经水相溶液浸润的中间膜层，水相溶液中含有胺类单体及对苯二甲酸；将中间膜层的任一表面与含有酰氯单体的油相溶液接触以进行