A unique Taylor-vortex membrane reactor (TVMR) design for continuous gas-liquid reactions is presented in this work. The reactor consists of a cylindrical rotor inside a stationary concentric cylindrical vessel, and a flexible system of equispaced baffle rings surrounding the rotor. This restricts the annular cross section to a small gap between the baffles and the rotor, and divides the annulus into 18 mixing zones. The baffles support a 6 m long PFA tubular membrane that is woven around the rotor. At 4 mL/min inlet flow rate, the TVMR showed a plug-flow behavior and outperformed the unbaffled reactor, having 5–12 times lower axial dispersion. The continuous aerobic oxidation of benzyl alcohol was performed for 7 h using the Pd(OAc)₂/pyridine catalyst in toluene at 100 °C and 1.1 MPa oxygen pressure. A stable conversion of 30% was achieved with 85% benzaldehyde selectivity, and no pervaporation of organics into the gas phase.

中文翻译：

---

用于连续气液反应的泰勒涡流膜反应器

本工作介绍了一种用于连续气液反应的独特泰勒涡流膜反应器 (TVMR) 设计。该反应器由固定同心圆柱形容器内的圆柱形转子和围绕转子的等距挡板环柔性系统组成。这将环形横截面限制在挡板和转子之间的一个小间隙内，并将环形空间分成 18 个混合区。挡板支撑 6 m 长的 PFA 管状膜，该膜围绕转子编织。在 4 mL/min 的入口流速下，TVMR 表现出活塞流行为并且优于无挡板反应器，轴向扩散降低 5-12 倍。使用 Pd(OAc) _{2连续有氧氧化苯甲醇 7 小时}/甲苯中的吡啶催化剂，温度为 100 °C，氧气压力为 1.1 MPa。实现了 30% 的稳定转化率和 85% 的苯甲醛选择性，并且没有有机物渗透蒸发到气相中。