METHOD OF OBTAINING CARBON NANOMATERIALS Russian patent published in 2013 - IPC C01B31/02 B82B3/00 B82Y40/00 

Abstract RU 2490205 C2

FIELD: chemistry.

SUBSTANCE: invention can be used for obtaining carbon nanotubes and nanofibres. Solid disperse catalyst is periodically loaded into reactor, gases are injected and subjected to contact with catalyst particles at the temperature of carbon nanomaterial synthesis. Loading of each following portion of catalyst is performed on the layer of growing nanomaterial. Alternate pressure of gaseous medium is created in reactor by injection of gases when pressure in reactor increases and their discharge, when pressure decreases. Stages of injection of gases into reactor and discharge of gases from reactor are performed by repeated periodical creation of vacuum in lock-chamber.

EFFECT: simplification of hardware process realisation, increased productivity due to uniform catalyst distribution.

2 cl, 2 dwg, 2 ex

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RU 2 490 205 C2

Authors

Tkachev Aleksej Grigor'Evich

Melezhik Aleksandr Vasil'Evich

Dates

2013-08-20Published

2011-03-04Filed