The preparation of high-performance nanofiltration membranes with high permeability and selectivity is a great challenge. Herein, we proposed 2-Aminophenol-4-sulfonic acid (APS) and piperazine (PIP) co-deposition for the first time through the interfacial polymerization (IP) with trimesoyl chloride (TMC) to form a polyamide (PA) layer. APS-incorporated membrane had a thinner active layer (20–60 nm), larger pore size and smoother membrane surface as well as strengthened electronegative feature. The pure water permeability of the membranes reached 5.8 times that of the control membrane, up to 70.8 LMH/bar with 96.4% rejection for RB, 99.0% rejection for BSA and SA, respectively. More importantly, the optimal membrane showed pure water flux of 22.9 LMH/bar as well as 95.9% Na₂SO₄ rejection. The retention performance of the membrane also exhibited high dye rejections towards MB, NR, MO above 93.6%, especially 98.0%, 98.3% and 99.1% for CV, CR and RB, respectively. Almost complete removal was achieved for natural organic matters (≥99.7%) in the meanwhile. Significantly, long-term performance stability of the APS-integrated membrane was demonstrated during the 120-h continuous filtration of dye, NOM, and salt solution, respectively. This work provides a loose nanofiltration membrane with regulatable structural morphology for water desalination, surface water and wastewater treatment.

制备具有高渗透性和选择性的高性能纳滤膜是一项巨大的挑战。在此，我们首次提出了 2-氨基苯酚-4-磺酸 (APS) 和哌嗪 (PIP) 通过与均苯三甲酰氯 (TMC) 的界面聚合 (IP) 共沉积形成聚酰胺 (PA) 层的方法。掺入 APS 的膜具有更薄的活性层（20-60 nm）、更大的孔径和更光滑的膜表面以及增强的电负性特征。膜的纯水渗透率达到了对照膜的 5.8 倍，高达 70.8 LMH/bar，RB 截留率分别为 96.4%，BSA 和 SA 截留率分别为 99.0%。更重要的是，最佳膜显示纯水通量为 22.9 LMH/bar 以及 95.9% Na ₂ SO ₄拒绝。膜的保留性能还表现出对 MB、NR、MO 的高染料截留率超过 93.6%，尤其是对 CV、CR 和 RB 分别为 98.0%、98.3% 和 99.1%。同时对天然有机物（≥99.7%）实现了几乎完全去除。值得注意的是，在染料、NOM 和盐溶液的 120 小时连续过滤过程中，APS 集成膜的长期性能稳定性得到了证明。这项工作为海水淡化、地表水和废水处理提供了一种具有可调节结构形态的松散纳滤膜。