Three-dimensional printing of acrylonitrile butadiene styrene microreactors for photocatalytic applications

Date

2020

Authors

Cabrera Barrios, Aarón
Oroz Mateo, Tamara
Salazar, Cristina
Fernandez Acevedo, Claudio

Director

Publisher

American Chemical Society
Acceso abierto / Sarbide irekia
Artículo / Artikulua
Versión aceptada / Onetsi den bertsioa

Project identifier

  • AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-096294-B-C31/ES/ recolecta
  • AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-106687RJ-I00/ES/ recolecta
Impacto

Abstract

Miniaturization is a key aspect for many technological applications and the use of microreactors is an excellent solution for the intensification of chemical processes for a variety of applications. However, standard microfabrication requires large facilities and intricate fabrication protocols, and consequently it is not easily available, generally resulting in high production costs. Herein, we present a very cheap, fast and easy microreactor design for photocatalytic applications based on direct fused filament 3D printing as a facilitating and widespread technology. The microreactor consists of three bodies directly printed in ABS (Acrylonitrile Butadiene Styrene): a main body with a serpentine microchannel pattern where the photocatalyst is placed, a top holder with a transparent polymer window, and a base to clamp the parts. Several microreactor units were coated with TiO2 doped with Cu (2.4 wt.%) nanoparticles synthesized by FSP (Flame Spray Pyrolysis) and tested for the photocatalytic degradation of two water pollutants showing excellent performance.

Description

Keywords

Microreactor, ABS polymer, 3D printing, Photocatalysis, Cu-TiO2 nanoparticles, Flame spray pyrolysis

Department

Institute for Advanced Materials and Mathematics - INAMAT2

Faculty/School

Degree

Doctorate program

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