fluidised bed reactor design

fluidised bed reactor design

(PDF) DESIGN AND FABRICATION OF FLUIDIZED-BED

2021-11-28 · A fluidized-bed reactor was designed and constructed for practical demonstration of the fluidization of solid particles at. different fluid flow rates.

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Design and Fabrication of a Low Cost Fluidized Bed

2.1.Some Advantages of Fluidized Bed Reactor One advantage of using fluidized bed reactor as a dryer is the close control of conditions so that predetermined amount of free moisture may be left with the solids and to prevent dusting of the product during subsequent material handling operations (Perry and Green, 1998).

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Fluidized bed reactor design and scale-up - ScienceDirect

2013-1-1 · Reactor design combines the present accumulated knowledge about fluidized bed hydrodynamics with reaction chemistry and scale-up to optimize the desired production of a chemical. Reactor design and scale-up are intertwined through fluidized bed hydrodynamics, and both have to proceed in parallel with each other. 10.1.1.

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FLUIDIZED BED REACTOR: DESIGN AND APPLICATION

2021-8-27 · Table 4 Design data for fluidized bed reactor 21 Table 5 Design solution for fluidized bed reactor 21 Table 6 Characteristic properties of the red-mud 23 Table 7 Experimentally observed data on hydrodynamic properties for Red-mud

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Basic Design of a Fluidized Bed Reactor for Wastewater ...

2015-2-14 · The Fluidized Bed reactor design should be made according to information available in the literature. The formulas for the design parameters are to be selected from vast literature available on researches in fluidized bed reactors and the study of fluidization profiles. Table II also gives us an insight

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Circulating fluidized bed reactor design and operation

2019-4-9 · Circulating fluidized bed reactor design and operation 39 --favourable turndown (typically 4:1) and good load following capabilities. This paper describes a pilot plant scale circulating fluidized bed unit recently designed, constructed and put into operation in the Pulp and Paper Centre at the

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Design of anaerobic fluidized bed bioreactor – Dyeing ...

2016-1-12 · An example on designing an anaerobic fluidized bed reactor for treating a synthetic dyeing effluent is illustrated in this paper. Experiments were conducted to illustrate how the theories and knowledge base were utilized to design the reactor. A pilot-scale reactor was built, and a COD removal of >80% and a color removal of >90% could be ...

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A STUDY OF THE DESIGN OF FLUIDIZED BED REACTORS

2015-7-20 · 4.8 Design of the Heated Fluidized Bed Reactor System 69 4.9 Biomass Feeder Design 69 4.10 Sand Feeder 71 4.11 Feeder Probe Design 71 4.12 Fluidized Bed Cover Plate 75 4.13 Heated Windbox Design 76 4.14 Flexible High Temperature Hose 78 4.15 Gas Meter 78 4.16 Thermocouples 78 4.17 Pumps, Piping and Gas Supply 81 4.18 Cold Gas Filter 81

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DESIGN OF A GAS-SOLID FLUIDIZED BED REACTOR AT

2015-8-5 · solid reactors. Consequently, a detailed design of a fluidized bed reactor that would allow flexible operation at high temperature and high pressure at several gas velocities will be conducted in order to serve for the future development of new hydrodynamic models.

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Design And Construction Of A Fluidized Bed

2013-12-4 · DESIGN AND CONSTRUCTION OF A FLUIDIZED BED by Robert Ryan Mota Bachelor of Science, California State Polytechnic University, Pomona, 2010 A Thesis

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Lecture 36: Fluidized Bed Reactor Design Part I ...

Fluidized Bed Reactor Design Part Iby IIT Madras. ← Video Lecture 36 of 43 → . 1: Introduction to Kinetics: Gas solid non-catalytic reaction 2: Introduction to Kinetics: Catalytic reactions in different reactors 3: Heterogeneous rate of reactions and different types of kinetic models 4: Basics of Kinetics of type A & B reactions 5 ...

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Fluidised Bed Reactor Design for Pyrolysis - EPCM Holdings

6 Fluidised Bed Reactor Design for Pyrolysis: Safety. Some safety elements have already been considered in the previous sections of this report, for example, a maximum allowable wall temperature of 55 °C. A key safety consideration is the absence of oxygen in the pyrolyser as this could lead to an explosion. To combat this issue, a para ...

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A STUDY OF THE DESIGN OF FLUIDIZED BED REACTORS

2015-7-20 · 4.8 Design of the Heated Fluidized Bed Reactor System 69 4.9 Biomass Feeder Design 69 4.10 Sand Feeder 71 4.11 Feeder Probe Design 71 4.12 Fluidized Bed Cover Plate 75 4.13 Heated Windbox Design 76 4.14 Flexible High Temperature Hose 78 4.15 Gas Meter 78 4.16 Thermocouples 78 4.17 Pumps, Piping and Gas Supply 81 4.18 Cold Gas Filter 81

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Fluidized bed reactor design and scale-up | Request PDF

A general approach to designing and scaling up fluidized bed reactors is described, and the use of mathematical models and scaling laws in scale-up and reactor design is addressed.

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Chemical Engineering and Reactor Design of a Fluidised

2017-9-26 · Chemical Engineering and Reactor Design of a Fluidised Bed Gasifier. Thesis submitted to Cardiff University in Fulfilment of the Requirements for the degree of Doctor of Philosophy in Chemical Engineering-Reactor Design By Abbas Abdulkareem Mahmood AL-Farraji B.Sc. Chemical Eng. & M.Sc. Chemical Eng. School of Engineering-Cardiff University

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DESIGN OF A GAS-SOLID FLUIDIZED BED REACTOR AT

2015-8-5 · solid reactors. Consequently, a detailed design of a fluidized bed reactor that would allow flexible operation at high temperature and high pressure at several gas velocities will be conducted in order to serve for the future development of new hydrodynamic models.

Read More
Circulating fluidized bed reactor design and operation ...

The circulating fluidized bed reactor has unique qualities which differentiate it from other gas-solid contactors and make it promising for a wide range of reactions. A 0·15 m × 0·15 m × 7·3 m tall circulating bed reactor with solids returned via anL-val e has been established at the University of British Columbia for combustion of a wide range of solid and heavy liquid fuels. The reactor ...

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Design of a laboratory scale fluidized bed reactor - 百度学术

The design of this reactor is thoroughly described. The size of the laboratory scale fluidized bed reactor is 5 kW, which corresponds to a fuel-feeding rate of approximately 1 kg/h. The reactor system consists of four parts: a bed section, a freeboard section, a convector (postcombustion zone), and an air pollution control (APC) device system.

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Design and Construction of a Small-Scale Fixed-Bed

2019-4-30 · The air gasification of sawdust with a fluidized bed reactor demonstrated by Cao et al. (2005) showed that under optimum operating conditions, a fuel gas could be produced at a rate of 3.0 Nm 3 /kg of biomass and a heating value of about 5.0

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Use of CFD as a Design Tool for Scale -Up of Fluidized

2020-8-13 · Use of CFD as a Design Tool for Scale -Up of Fluidized-bed Reactors Ranjeeth Kalluri , Jing Huang, Aqil Jamal, Brian Turk and Raghubir Gupta Center for Energy Technology, RTI International, Research Triangle Park, NC. NETL

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(PDF) DESIGN AND FABRICATION OF FLUIDIZED-BED

Abstract A fluidized-bed reactor was designed and constructed for practical demonstration of the fluidization of solid particles at different fluid flow rates. The bed of this reactor was sand particles of average size 1800 μm ,weighed 0.6 N and the fluidizing fluidwas air. Alternatively, the fluidizing fluid can be substituted for any given ...

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Fluidised Bed Reactor Design for Pyrolysis - EPCM Holdings

6 Fluidised Bed Reactor Design for Pyrolysis: Safety. Some safety elements have already been considered in the previous sections of this report, for example, a maximum allowable wall temperature of 55 °C. A key safety consideration is the absence of oxygen in the pyrolyser as this could lead to an explosion. To combat this issue, a para ...

Read More
A STUDY OF THE DESIGN OF FLUIDIZED BED REACTORS

2015-7-20 · 4.8 Design of the Heated Fluidized Bed Reactor System 69 4.9 Biomass Feeder Design 69 4.10 Sand Feeder 71 4.11 Feeder Probe Design 71 4.12 Fluidized Bed Cover Plate 75 4.13 Heated Windbox Design 76 4.14 Flexible High Temperature Hose 78 4.15 Gas Meter 78 4.16 Thermocouples 78 4.17 Pumps, Piping and Gas Supply 81 4.18 Cold Gas Filter 81

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Fluidized bed reactor design and scale-up | Semantic Scholar

Abstract: This chapter discusses the scale-up and reactor design of both bubbling/turbulent fluidized beds and circulating fluidized beds. Historical problems in the scale-up of large commercial processes from small unit fluidized beds are first reviewed, and the elements affecting scale-up and reactor design are then examined. A general approach to designing and scaling

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DESIGN OF A GAS-SOLID FLUIDIZED BED REACTOR AT

2015-8-5 · solid reactors. Consequently, a detailed design of a fluidized bed reactor that would allow flexible operation at high temperature and high pressure at several gas velocities will be conducted in order to serve for the future development of new hydrodynamic models.

Read More
Design, Construction, and Testing of a Fluidized Bed

2020-1-29 · Bed void fraction 𝜀 0.45 Bed radius 10𝑚𝑚 Gravity 𝑔 9.81𝑚∙ −2 Design, Construction, and Testing of a Fluidized Bed Reactor Tanner Iszler (Mechanical Engineering), Dr. Dario Prieto (Montana Tech), and Dr. Jerry Downey (Montana Tech) Design and Build Phase Sand was used for the fixed bed and air was used for fluidization.

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Design of a Medium-Scale Circulating Fluidized Bed

Design of a Medium-Scale Circulating Fluidized Bed Reactor for Chlorination of Processed Aluminum Oxide Zahir Barahmand 1 1Omid Aghaabbasi 1Jose Luis Salcido Emmy Kristine L. Rustad Chameera Jayarathna2 Chandana Ratnayake1,2 1 Department of Process, Energy and Environmental Technology, University of South-Eastern Norway [email protected]

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Use of CFD as a Design Tool for Scale -Up of Fluidized

2020-8-13 · Use of CFD as a Design Tool for Scale -Up of Fluidized-bed Reactors Ranjeeth Kalluri , Jing Huang, Aqil Jamal, Brian Turk and Raghubir Gupta Center for Energy Technology, RTI International, Research Triangle Park, NC. NETL

Read More
Design and Construction of a Small-Scale Fixed-Bed

2019-4-30 · The air gasification of sawdust with a fluidized bed reactor demonstrated by Cao et al. (2005) showed that under optimum operating conditions, a fuel gas could be produced at a rate of 3.0 Nm 3 /kg of biomass and a heating value of about 5.0

Read More
Fluidized-bedbioreactors - tandfonline

2018-11-7 · of the advantages of the fluidized bed over other types of reactors. Emphasis is placed on correct reactor design which, as will be shown, reduces to choosing the shape of the reactor, the method of aeration and the type, size, density

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