Results 41 to 50 of about 444,583 (152)

Large scale production of multi-walled carbon nanotubes by fluidized bed catalytic chemical vapor deposition : a parametric study [PDF]

, 2007
A parametric study investigating the impact of temperature, run duration, total pressure, and composition of the gaseous phase on the catalytic growth of multi-walled carbon nanotubes (MWNT) has been performed. MWNT have been produced very selectively on
Bernard, Daniel, Caussat, Brigitte, Plee, Dominique, Morançais, Aurore, Serp, Philippe, Kalck, Philippe, Gaillard, Patrice, Kihn, Yolande   +7 more
core   +1 more source

Study on Separation Density of Feeding Group Particle in the Gas–Solid Separation Fluidized Bed

Separations
Gas–solid separation fluidized bed is an efficient coal cleaning and separation technology, and this technology has been extensively used in coal separation.
Xuchen Fan, Yuping Fu, Yongliang He, Liying Sun, Yijiang Li   +4 more
doaj   +1 more source

Comparative Techno-Economic and Exergetic Analysis of Circulating and Dual Bed Biomass Gasification Systems

Frontiers in Chemical Engineering, 2021
In this work, the techno-economic and exergy analyses of two gasification technologies with integration into heat and power combined cycles are presented: i). Circulating fluidized bed (CFB) and ii). Dual fluidized bed (DFB) systems.
Pablo Silva Ortiz, Pablo Silva Ortiz, Simon Maier, Ralph-Uwe Dietrich, Adriano Pinto Mariano, Rubens Maciel Filho, John Posada   +6 more
doaj   +1 more source

Application of Multi-pass Circulating Fluidized Bed in Integrated Energy Service

发电技术, 2020
Park level clean heating is an urgent problem to be solved in integrated energy service. The multi-pass circulating fluidized bed technology adopts a three-stage furnace structure to form a two-stage material circulation in the furnace, which solves the ...
Feng HAN, Kunlin CONG, Qinghai LI, Yanguo ZHANG, Jiaoping YAN, Feng HU   +5 more
doaj   +1 more source

Silicon Chemical Vapor Deposition on macro and submicron powders in a fluidized bed [PDF]

, 2007
Titanium oxide (TiO2) submicron powders have been treated by Chemical Vapor Deposition (CVD) in a vibro-fluidized bed in order to deposit silicon layers of nanometer scale on each individual grain from silane (SiH4).
Coufort, Carole, Syamlal, Madhava, Caussat, Brigitte, Pannala, S., Rossignol, Cécile, Cadoret, Loic, Reuge, Nicolas, Dexpert-Ghys, Jeannette, Coufort-Saudejaud, Carole, Pannala, Sreekanth   +9 more
core   +1 more source

The Heat Transfer Characteristics of Circulating Fluidized Bed Reactor

Journal of Harbin University of Science and Technology, 2019
As a new type of combustion device, circulating fluidized bed has overcame many disadvantages of coal fired industrial boilers. It has improved combustion efficiency and reduced pollutants.The heat transfer characteristics related to fluidized bed are ...
CHEN Ju-hui, CHEN Ji-yuan, LI Jia-hao, LI Xin, SHI Xiao, CUI Ling-zhen, DONG Bao-jun   +6 more
doaj   +1 more source

Atmospheric (non-circulating) fluidized bed (FB) combustion

, 2013
This chapter describes fluidized bed boilers, particularly of the non-circulating type, called bubbling fluidized bed boiler. This type of boiler is predominantly used to burn biomass and waste fuels.
Leckner, Bo G,, Leckner, Bo, Leckner, Bo G, B. Leckner   +3 more
core   +1 more source

Study on Separation Kinetics of Non-Spherical Single Feeding Particle in the Gas–Solid Separation Fluidized Bed

Separations
Gas–solid separation fluidized bed is an efficient and clean coal separation technology with a good separation effect for coal particles. However, there is a lack of systematic research on the complex motion behavior of the feeding particles in gas–solid
Xuchen Fan, Yuping Fu, Yongliang He, Liying Sun   +3 more
doaj   +1 more source

Multifluid modeling of the desulfurization process within a bubbling fluidized bed coal gasifier

, 2013
The desulfurization process to a two-dimensional (2-D) and three-dimensional (3-D) Eulerian-Eulerian computational fluid dynamic (CFD) model of a coal bubbling fluidized gasifier is introduced.
Kai H. Luo, Luo, K. H., Gu, Sai, Mahanta, P., Lindsay‐Marie Armstrong, Armstrong, L-M., Sai Gu, Pinakeswar Mahanta, Luo, KH, Armstrong, LM, Mahanta, P, Gu, S   +11 more
core   +1 more source

CFD modelling of the thermal degradation of biomass in fluidized beds

, 2014
Pyrolysis is considered as a promising technology of recovering bioenergy from biomass into gas, liquid and solid fuels. A series of works have been carried out previously on the fundamentals and the decomposition mechanism of pyrolysis empirically ...
Dong, Nanhang
core   +1 more source