fluidized silicon particle



Related Information:

Fluidized bed silicon deposition from silane

09021982· Means for introducing silicon seed particles into the primary fluidized reactor zone 14 is provided by silicon seed particle inlet 16 The silicon seed particles which are introduced through the seed particle inlet into the primary fluidized bed reactor zone 14 are maintained in a fluidized suspension by appropriate fluidizing gas Means for ....

Read More
Introduction to Fluidization

particle properties, it would seem tedious to predict particle behavior in a fluidized bed However, Geldart (6) provides convenient criteria for predicting the fluidization behavior based on the Sauter mean particle size, d p, and the particle density Based on these parameters, particles are classified...

Read More
Fluidized bed

A fluidized bed is a physical phenomenon occurring when a quantity of a solid particulate substance (usually present in a holding vessel) is placed under appropriate conditions to cause a solid/fluid mixture to behave as a fluThis is usually achieved by the introduction of pressurized fluid through the particulate medium This results in the medium then having many properties and ....

Read More
Development of a microwave plasma

T1 - Development of a microwave plasma-fluidized bed reactor for novel particle processing AU - Matsukata, Masahiko AU - Suzuki, K AU - Ueyama, K AU - Kojima, T PY - 1994 Y1 - 1994 N2 - We developed a fluidized bed-chemical vapor deposition (CVD) reactor for a novel method of particle processing, such as particle coating and surface ....

Read More
Fluidized bed diamond particle growth

29071992· 4 A process as claimed in claim 1 wherein the substrate is silicon nitride, silicon, silicon carbide, boron, boron nitride, aluminium nitride, aluminium oxide, beryllium oxide or zirconium oxide 5 A process as claimed in any one of the preceding claims wherein the fluidized bed is fluidized by the flow of gases comprising the gaseous carbon ....

Read More
Silicon Particle Growth in a Fluidized

Silicon Particle Growth in a Fluidized-Bed Reactor This paper describes the overall operation of a 15 cm dia fluidizedbed reactor for silicon production via silane pyrolysis...

Read More
Discrete particle simulation of two

Powder Technology 77 (1993) 79-87 Discrete particle simulation of two-dimensional fluidized bed Y Tsuji, T Kawaguchi and T Tanaka...

Read More
Drag Forces in Fluidized Beds

A particle in front of another particle can reduce the drag on the following particle due to a fluid velocity reduction from the hydrodynamic shedding of the advancing particl Thus, using a single particle drag force relationship does not make sense for application in a fluidized bed Yet, that is often what is used Similarly, using a drag ....

Read More
EP2883613A4

EP2883613A4 EP138293311A EP13829331A EP2883613A4 EP 2883613 A4 EP2883613 A4 EP 2883613A4 EP 13829331 A EP13829331 A EP 13829331A EP 2883613 A4 EP2883613 A4 EP 2883613A4 Authority EP European Patent Office Prior art keywords fluidized bed method seed crystal preparing high high sphericity Prior art date 2012-08-13...

Read More
Fluidized Bed flow regimes rev1

Group A Small particle size or density less than 14 g/cm3 Easily fluidized with smooth fluidization at low gas velocities and controlled bubbling with small bubbles at higher gas velociti When fluidized by air at ambient conditions, result in a region of non-bubbling fluidization beginning at ,...

Read More
Fluidized Bed Combustor

06052010· My partner and I developed a hopper feeder to integrate into a fluidized bed combustor at SFSU in Spring 2010...

Read More
Silicon particle growth in a fluidized

This paper describes the overall operation of a 15 cm dia fluidized-bed reactor for silicon production via silane pyrolysis The fluidized bed reactor has been characterized by its performance data and parametric effects A withdrawal system is used to selectively remove big particl Seed ....

Read More
Fixed and Fluidized Beds

Arial Times New Roman Symbol 1_Default Design 2_Default Design 3_Default Design Microsoft Equation 30 Fixed and Fluidized Beds Goals Flow Through a Bed of Particles Response to Superficial Flow Response to Superficial Velocities Fixed Bed Pressure Drop Laminar Flow Velocity Diameter Diameter Laminar Flow Turbulent Flow Intermediate Flow Fixed ....

Read More
(PDF) Producing Poly

Producing Poly-Silicon from Silane in a Fluidized Bed Reactor Chapter (PDF Available) November 2011 with 2,371 Reads How we measure 'reads' A 'read' is counted each time someone views a ....

Read More
Producing Poly

Producing Poly-Silicon From Silane in a Fluidized Bed Reactor 5 Fig 6 Fluidized bed reactor with seed generator the bulk silicon to a speci c particle size distribution suitable for use as seed particl...

Read More
Fluidized bed reactor

The increase in fluidized bed reactor use in today's industrial world is largely due to the inherent advantages of the technology Uniform Particle Mixing: Due to the intrinsic fluid-like behavior of the solid material, fluidized beds do not experience poor mixing as in packed beds This complete mixing allows for a uniform product that can ....

Read More
US4314525A

A process and apparatus for thermally decomposing silicon containing gas for deposition on fluidized nucleating silicon seed particles is disclosed Silicon seed particles are produced in a secondary fluidized reactor by thermal decomposition of a silicon containing gas The thermally produced silicon seed particles are then introduced into a primary fluidized bed reactor to form a fluidized bed...

Read More
Fluidized bed

Possible solid particle fluid mixture states are: fixed bed, stationary fluidized bed, fluidized bed with particle feeding at the bottom and overflow at the free surface of the bed, or vice versa, vertical conveying in the dense bed, low density vertical and horizontal conveying, downward particle movement in the dense bed with cocurrent fluid flow, and low density conveying downwards...

Read More
Fluidization of nanopowders: a review

10022012· Kashyap et al studied the fluidization behavior of Tullanox 500 (an APF-type fumed silica nanopowder having a typical primary particle size with a diameter of 10 nm) in a rectangular fluidized bed with a DC electric field Two copper sheets, acting as the two electrodes with opposite polarities, were attached to the parallel walls in the rectangular fluidized bed Each electrode was connected ....

Read More