NDLI: Understanding bottom-up continuous hydrothermal synthesis of nanoparticles using empirical measurement and computational simulation

Content Provider	Springer Nature Link
Author	Sierra Pallares, José Huddle, Thomas García Serna, Juan Alonso, Esther Mato, Fidel Shvets, Igor Luebben, Olaf Cocero, María José Lester, Edward
Copyright Year	2016
Abstract	Continuous hydrothermal synthesis was highlighted in a recent review as an enabling technology for the production of nanoparticles. In recent years, it has been shown to be a suitable reaction medium for the synthesis of a wide range of nanomaterials. Many single and complex nanomaterials such as metals, metal oxides, doped oxides, carbonates, sulfides, hydroxides, phosphates, and metal organic frameworks can be formed using continuous hydrothermal synthesis techniques. This work presents a methodology to characterize continuous hydrothermal flow systems both experimentally and numerically, and to determine the scalability of a counter current supercritical water reactor for the large scale production (>1,000 T·year$^{–1}$) of nanomaterials. Experiments were performed using a purpose-built continuous flow rig, featuring an injection loop on a metal salt feed line, which allowed the injection of a chromophoric tracer. At the system outlet, the tracer was detected using UV/Vis absorption, which could be used to measure the residence time distribution within the reactor volume. Computational fluid dynamics (CFD) calculations were also conducted using a modeled geometry to represent the experimental apparatus. The performance of the CFD model was tested against experimental data, verifying that the CFD model accurately predicted the nucleation and growth of the nanomaterials inside the reactor.
Starting Page	3377
Ending Page	3387
Page Count	11
File Format	PDF
ISSN	19980124
Journal	Nano Research
Volume Number	9
Issue Number	11
e-ISSN	19980000
Language	English
Publisher	Tsinghua University Press
Publisher Date	2016-08-25
Publisher Place	Beijing
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	nanoparticle computational fluid dynamics synthesis supercritical inorganics Nanotechnology Materials Science Atomic/Molecular Structure and Spectra Condensed Matter Physics Biotechnology Biomedicine
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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