Results 261 to 270 of about 747,943 (345)

Modelling the fluidised bed in HydroFloat™ for improved process control

, 2021
This study investigates the expansion of the fluidised bed in HydroFloat™ as the teeter water velocity is varied. A practical model is presented for predicting the fluidised bed porosity and apparent density at set cell operating conditions (teeter water
M. Zanin, E. Chan, W. Skinner
semanticscholar   +1 more source

Effects of pressure on flow regimes transition velocities and bubble properties in a pilot-scale pressurised circulating fluidised bed

, 2021
Pressurised fluidised beds have been widely used in industry, e.g., for coal gasification. However, gas-solids flow dynamics at high pressure, closely relevant to fluidised beds performance, is not yet well understood.
Xiaolin Zhu, Pengfei Dong, Zhiping Zhu, R. Ocone, Wuqiang Yang, Haigang Wang   +5 more
semanticscholar   +1 more source

CFD-DEM study of the effects of food grain properties on drying and shrinkage in a fluidised bed

, 2020
Drying is the most important post-harvest processing method for the long-term storage of food grains. Drying and related particle shrinkage are usually determined by various operational conditions and grain properties like grain size, density and initial
J. Azmir, Q. Hou, A. Yu
semanticscholar   +1 more source

Fluidised bed drying of soybeans

Journal of Stored Products Research, 2001
The fluidised bed drying characteristics of soybeans at high temperatures (110-140 degrees C) and moisture contents, 31-49% dry basis, were modelled using drying equations from the literature. Air speeds of 2.4-4.1 m/s and bed depths from 10 to 15 cm were used. The minimum fluidised bed velocity was 1.9 m/s.
, Soponronnarit, , Swasdisevi, , Wetchacama, , Wutiwiwatchai   +3 more
openaire   +2 more sources

The expansion of gas-fluidised beds in bubbling fluidisation

Chemical Engineering Science, 1997
The expansion of gas-fluidised beds has been examined in the range of Archimedes number from 100 to 105 using five grades of glass ballotini and two grades of lead shot of narrow size distribution, and Diakon particles of wide size distribution. A porous plastic distributor plate was used in beds of diameters 89 and 290 mm.
D.J. Gunn, N. Hilal
openaire   +1 more source

Three-dimensional simulation of gas-solid flow in a fluidised bed with flexible ribbon particles

, 2020
Fluidisation is a widely used process in the industry as it offers high solid-gas contact efficiency and high heat and mass transfer, hence making it the unit operation of choice for drying. For instance, in the tobacco industry, drying of cut-tobacco is
Kai Wu, Zhang Erqiang, Ji Xu, Zhulin Yuan, Wenkui Zhu, Bin Li, Le Wang, D. Luo   +7 more
semanticscholar   +1 more source

Demonstrating direct methanation of real biogas in a fluidised bed reactor

Applied Energy, 2019
The catalytic direct methanation of biogas to produce biomethane was conducted in a pilot plant with real biogas from a biogas plant in Zurich. Stable operation of the methanation system including a bubbling fluidised bed could be demonstrated for over ...
J. Witte, Adelaide S. Calbry-Muzyka, Tanja Wieseler, P. Hottinger, S. Biollaz, T. Schildhauer   +5 more
semanticscholar   +1 more source

The fluidised bed

Intensive Care Medicine, 1995
The process of fluidisation involves blowing warm air through small solid microspheres thus creating a liquid, without wetness. The warmth provides some important properties including reducing the metabolic rate in thermal injury which has a beneficial effect on mortality, modifying catabolism after surgery, providing gradual vasodilation in shock and ...
openaire   +2 more sources

Experimental investigation on co-gasification of coffee husk and sawdust in a bubbling fluidised bed gasifier

Journal of the Energy Institute, 2019
Energy can be extracted from biomass through gasification. The gasification process is influenced by the physico-chemical nature of the biomass selected for gasification.
J. George, P. Arun, C. Muraleedharan
semanticscholar   +1 more source

Slow pyrolysis of biosolids in a bubbling fluidised bed reactor using biochar, activated char and lime

Journal of Analytical and Applied Pyrolysis, 2019
Slow pyrolysis of biosolids was investigated employing a laboratory scale fluidised bed reactor maintaining the bubbling mode of fluidisation where the primary product was biochar.
Savankumar Patel, S. Kundu, P. Halder, G. Veluswamy, B. Pramanik, J. Paz-Ferreiro, A. Surapaneni, K. Shah   +7 more
semanticscholar   +1 more source