Biomimetic 3D Prototyping of Hierarchically Porous Multilayered Membranes for Enhanced Oil-Water Filtration
| Author | Kumar, Abhishek Saji |
| Author | Akoumeh, Rayane |
| Author | Ramanathan, Arunachalam |
| Author | Park, JaeWoo |
| Author | Thippanna, Varunkumar |
| Author | Patil, Dhanush |
| Author | Zhu, Yuxiang |
| Author | Ravichandran, Dharneedar |
| Author | Thummalapalli, Sri Vaishnavi |
| Author | Sobczak, M. Taylor |
| Author | Chambers, Lindsay Bick |
| Author | Theobald, Taylor G. |
| Author | Yu, Churan |
| Author | Sui, Chao |
| Author | Yang, Libin |
| Author | Ponnamma, Deepalekshmi |
| Author | Hassan, Mohammad K. |
| Author | Al-Ejji, Maryam |
| Author | Yang, Sui |
| Author | Song, Kenan |
| Available date | 2025-06-30T06:36:38Z |
| Publication Date | 2025 |
| Publication Name | ACS Applied Materials and Interfaces |
| Resource | Scopus |
| Identifier | http://dx.doi.org/10.1021/acsami.4c18528 |
| ISSN | 19448244 |
| Abstract | This study introduces a biomimetic approach to 3D printing multilayered hierarchical porous membranes (MHMs) using Direct Ink Writing (DIW) technology. Fabricated through a fast layer-by-layer printing process with varying concentrations of pore-forming agents, the produced MHMs mimic the hierarchical pore structure and filtration capabilities of natural soil systems. As a result, the 3D-printed MHMs achieved an impressive oil rejection rate of 99.02% and demonstrated exceptional reusability, maintaining a flux recovery ratio of 99.48% even after hours of continuous filtration. Moreover, the 3D-printed MHMs exhibit superior hierarchical porous architecture and mechanical integrity compared to traditional flat sheet single-layered membranes. This study presents a significant advancement for scalable 3D printing of customized multilayer membranes with tailored porosity and high-performance filtration properties. The simplicity, versatility, and cost-effectiveness of the presented manufacturing method offer a pathway for advanced design and on-demand membrane production. |
| Sponsor | The authors acknowledge the support from the NPRP14S-0317-210064 grant from the Qatar National Research Fund (a member of the Qatar Foundation) and the support from the Arizona Biomedical Research Center (RFGA2022-010-07), as well as the startup research funding support provided by the Ira A. Fulton Schools of Engineering at Arizona State University (ASU). The statements made herein are solely the responsibility of the authors. |
| Language | en |
| Publisher | American Chemical Society |
| Subject | 3D printing additive manufacturing antifouling hierarchical structure multilayer membrane oil-water filtration PVDF scalable |
| Type | Article |
| Pagination | 8285-8298 |
| Issue Number | 5 |
| Volume Number | 17 |
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