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Abstract
<p class="first" id="d4426021e85">Porous solids in the form of adsorbents and catalysts
play a crucial role in various
industrially important chemical, energy, and environmental processes. Formulating
them into structured configurations is a key step toward their scale up and successful
implementation at the industrial level. Additive manufacturing, also known as 3D printing,
has emerged as an invaluable platform for shape engineering porous solids and fabricating
scalable configurations for use in a wide variety of separation and reaction applications.
However, formulating porous materials into self-standing configurations can dramatically
affect their performance and consequently the efficiency of the process wherein they
operate. Toward this end, various research groups around the world have investigated
the formulation of porous adsorbents and catalysts into structured scaffolds with
complex geometries that not only exhibit comparable or improved performance to that
of their powder parents but also address the pressure drop and attrition issues of
traditional configurations. In this comprehensive review, we summarize the recent
advances and current challenges in the field of adsorption and catalysis to better
guide the future directions in shape engineering solid materials with a better control
on composition, structure, and properties of 3D-printed adsorbents and catalysts.
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