Autonomous Region Central Guiding Local Science and Technology Development Funds - Development of High Flux, High Strength Gradient Pore Hollow Fiber Membrane and Construction of Frontier Science and Technology Innovation Platform for Separation Membrane

In October 2022, the autonomous region's central guidance for local scientific and technological development funding project "Development of High Flux High Strength Gradient Hollow Fiber Membrane and Construction of Frontier Science and Technology Innovation Platform for Separation Membrane" submitted by Delan was approved. The scarcity of water resources and low reuse rate of industrial wastewater are prominent issues that constrain the green, circular, and low-carbon development of Xinjiang. The membrane integration technology with hollow fiber ultrafiltration membrane as the core is a key supporting technology for industrial wastewater treatment and reuse. This project aims to address key scientific issues such as poor anti pollution performance, low strength, and rapid water production degradation of conventional hollow fiber membranes. We have collaborated with Tsinghua University to develop high-performance separation membranes and industrialize them in Xinjiang. Develop key membrane preparation technologies such as in-situ enhancement, temperature dependent phase transformation, and fiber lattice design to prepare high flux, high-strength gradient pore hollow fiber membranes; Develop a constant tension spinning system and establish two large-scale production lines for gradient pore hollow fiber membranes; Conduct research on the treatment and reuse of typical industrial wastewater in Xinjiang using gradient pore hollow fiber membranes, and establish a demonstration of industrial wastewater engineering applications with a capacity of over 200t/h. Based on the Xinjiang Water Treatment Engineering Technology Research Center, the construction of the "Xinjiang Separation Membrane Frontier Innovation and Unconventional Water Resources Development Laboratory" has been preliminarily completed.