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Updated: Sep 25, 2025

Three-Dimensionally Printed Microfluidic Cross-flow System for Ultrafiltration/Nanofiltration Membrane Performance Testing

Three-Dimensionally Printed Microfluidic Cross-flow System for Ultrafiltration/Nanofiltration Membrane Performance Testing

Published on: February 13, 2016

Separating a multicomponent and multiphase liquid mixture with a 3D-printed membrane device.

Fan Yang¹, Bingchen Wang¹, Aigerim Baimoldina¹

¹Department of Chemical & Petroleum Engineering, University of Pittsburgh Pennsylvania 15261 USA lel55@pitt.edu.

|May 2, 2022

Summary

This summary is machine-generated.

A novel 3D-printed membrane device efficiently separates complex liquid mixtures. This innovative technology offers a cost-effective and energy-saving alternative for applications like wastewater treatment.

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Area of Science:

Materials Science
Chemical Engineering
Separation Technology

Background:

Separating multicomponent and multiphase liquid mixtures is crucial for industrial processes, including wastewater treatment.
Conventional separation methods are often multi-step, leading to high costs and energy demands.

Purpose of the Study:

To develop a more efficient and cost-effective method for separating multicomponent and multiphase liquid mixtures.
To demonstrate the efficacy of a 3D-printed membrane device with multiple selectivity.

Main Methods:

A 3D-printed membrane device, termed a "box", was fabricated with distinct selective layers.
The device incorporates a supported ionic liquid membrane (SILM) and a hydrogel-coated hydrophilic/oleophobic membrane.
The device structure was optimized to enhance the surface area of the SILM for increased throughput.

Main Results:

The 3D-printed device successfully separated a water-benzene-heptane mixture in a single step.
The hydrogel-coated membrane initially separated water from the oil mixture (benzene/heptane).
The SILM subsequently separated benzene from heptane, achieving high-purity separation.

Conclusions:

3D-printed membrane devices with multiple selectivity offer a promising solution for efficient liquid mixture separation.
This technology presents a significant advancement over conventional methods, reducing cost and energy consumption.
Further optimization of the 3D-printed device design can enhance separation throughput for industrial applications.