Batch preparation of homogeneous size hydroxyapatite based composite ceramic microspheres

Zhou, Kui; Zou, Jiawei; Chi, Wenchao; Lin, Yanjun; Li, Wenchao; Cao, Chuanliang

doi:10.1007/s41779-020-00514-9

Cited by 1 publication

(1 citation statement)

References 14 publications

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“…Herein, we propose a new kind of microcatalyst with a magnetically actuated stirring function, which is accomplished by a pneumatic printing technology , that, with a program-controlled solenoid valve, makes the prepressurized gas squeeze the ink out from the needle and quickly obtains uniform droplets (Figure S1). As shown in the detailed presentation in the scheme of Figure , the composition of the printing ink included binder (sodium alginate (SA)), a magnetic driving material (Fe 3 O 4 ), and catalytic materials (metal–organic frameworks (MOFs) or other heterogeneous nanocatalysts).…”

Section: Introductionmentioning

confidence: 99%

Self-Stirring Microcatalysts: Large-Scale, High-Throughput, and Controllable Preparation and Application

et al. 2022

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Herein, we introduce a strategy to develop a kind of unprecedented microcatalyst, which owns self-stirring and catalytic performance based on pneumatic printing and magnetic field induction technology. A spindle-shaped microcatalyst based on metal–organic frameworks (MOFs) with a certain aspect ratio and size can be obtained by tuning the printing parameters and the intensity of the magnetic field. One nozzle can print 18 000 microcatalysts per hour, which provides a prerequisite for the realization of large-scale production in the industrial field. Furthermore, this strategy can be widely applied to a variety of other heterogeneous catalysts, such as mesoporous SiO2, zeolite, metallic oxide, and so on. To demonstrate the superiority of the printed catalyst, the series of printed microcatalysts were evaluated by various catalytic reactions including liquid-phase hydrogenation, microdroplet dye-fading, and photocatalytic degradation in microreactor, all of which exhibited excellent catalytic performance.

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Section: Introductionmentioning

confidence: 99%