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Fundamentals of Fluidized-Bed Chemical Processes - Elsevier

Fundamentals of Fluidized-bed Chemical Processes presents a survey of the design, operation, and chemical processes of fluidized-bed reactors. The book is composed of five chapters. The first chapter examines the basic physics of gas-solid fluidization.

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Fluidized Bed Boilers - 1st Edition - Elsevier

Professor Basu also founded of the prestigious triennial International Conference series on Circulating Fluidized Beds, and a private R&D company, Fluidized Bed Systems Limited that specializes on design, training and investigative services on fluidized bed boilers.

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Biomass Gasification with Air in a Fluidized Bed: Effect ...

The performance of a biomass gasifier, fluidized-bed type, is improved by in-bed use of calcined dolomite. Tar contents in the raw flue gas below 1 g/mn3 are obtained by using a bed with a percentage between 15 and 30 wt % of dolomite (the rest being silica sand). The work is carried out at small pilot-plant scale (10 kg of biomass/h) with equivalence ratios (ER) between 0.20 and 0.35 and ...

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Chapter 12 - Professional Reference Shelf

There are two types of mass transport are important in fluidized-bed operations. The first is the transport between gas and solid. In some situations this can affect the analysis of fluidized-bed behavior significantly, and in others it might not enter the calculations at all.

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Technology Overview: Circulating Fluidized-Bed Combustion

----- FIGURES Page Basic fluid bed combustion systems 2 Battelle Multisolid Fluidized-Bed Combustor 6 Schematic of MSFB-0.4 Pilot Plant 10 Battelle Multisolid Fluidized-Bed Steam Generator 11 Sulfur Capture in MSEC - Effect of Entrained Bed Recycle Rate .

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Hydrodynamics and Transient Heat Transfer Characteristics ...

in Fluidized and Spouted Beds Steven L. Brown Abstract Hydrodynamics and heat transfer characteristics found in fluidization were studied in a small scale laboratory fluidized bed. Experiments were designed to capture field data on multiple slit jet gas distributor systems for the validation of computational models. Localized data was

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Heat transfer in a fluidized bed tubular heat exchanger

HEAT TRANSFER IN A FLUIDIZED BED TUBULAR HEAT EXCHANGER INTRODUCTION Industrial process heat transfer usually involves transferring energy from a hot flowing fluid to a cold flowing fluid, or as is the case in nuclear reactors, transferring energy from an energy gen- erating source to a flowing fluid. To solve this problem engineers

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Modeling of Industrial Fluidized-Bed Reactors | Industrial ...

Jul 13, 2004 · A modeling approach is presented that is able to handle the most important aspects of industrial fluidized-bed reactors. A particular focus is to describe the relationship between catalyst attrition, solids recovery in the reactor system, and chemical performance of the fluidized-bed reactor. The competing influences of attrition of the catalyst particles and efficiency of the solids recovery ...

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Fluidized Beds - ThomasNet

Fluidized Beds manufacturers, service companies and distributors are listed in this trusted and comprehensive vertical portal. The comprehensive directory provides access to full contact and ability information for sourcing professionals, engineers and researchers wishing to get information on Fluidized Beds.

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Fluidized bed - thermopedia

SIMULATION OF FLUIDIZED BED - NASA

SIMULATION OF FLUIDIZED BED COAL COMBUSTORS . by . Roenga Rajan, R. Krishnan, and C. Y. Wen West ia University Morgantown, West ia 26506. NAsA-CR-159529) -- sU ion OF FLUIDIZED 79047 . BED COAL COMBUSTORS Final Report

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Introduction to Fluidization - AIChE

a fluidized-bed regenerator. Fluidized beds typically are more complex to design, build, and operate than other types of reactors, such as packed-bed and stirred-tank reactors. Scaleup of fluidized beds can be difficult (1). Fluidized beds are prone to erosion .

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US4245395A - Fluidized bed drying - Google Patents

The invention resides in one embodiment in a multiple effect method of and apparatus for drying a solid material containing a vaporizable material which comprises establishing at least first and second fluidized beds containing the solid material in which in at least the first fluidized bed the fluidizing medium is the vaporizable material in vapor form and in which the fluidized beds are ...

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Fluidized Bed Boiler - Manufacturers & Suppliers in India

With the aid of latest processing machinery and rich industrial experience of this domain, we have been able to offer Biomass Pellets for Fluidized Bed Boiler to our valuable customers. These pellets are used for heating fluidized bed boilers in the most burning efficient manner. These biomass pellets are valued for

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Struvite Recovery from Source-Separated Urine Utilizing a ...

Struvite Recovery from Source-Separated Urine Utilizing a Fluidized Bed Reactor Alexandria Augusta Gagnon Abstract Source-separating urine for nutrient recovery may provide multiple benefits with regards to wastewater management, water conservation, .

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FLUIDIZED-BED - asminternational

properties. Fluidized bed is emerging as one of the promising quenching media. The bed can be fluidized using air, helium, and nitrogen gas, and has the flexibility to vary the cooling rate by adjusting processing parameters such as bed particle di-ameter, fluidizing agent, bed mate-rial etc. Cooling curves of a water quenched (WQ) and ...

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Hillrom | Smart Beds and Surfaces

Smart Beds and Surfaces. Beds providing the highest quality of care and comfort for healthcare and home settings. Bariatric Beds Beds supporting patients weighing up to 1,000 pounds. Critical Care Beds Beds designed to support early mobility and help prevent complications associated with .

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Monitoring Fluidized Bed Drying of Pharmaceutical Granules

Nov 09, 2010 · Placebo granules consisting of lactose monohydrate, corn starch, and polyvinylpyrrolidone were prepared using de-ionized water in a high-shear mixer and dried in a conical fluidized bed dryer at various superficial gas velocities. Acoustic, vibration, and pressure data obtained over the course of ...

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Simulation for Supporting Scale-Up of a Fluidized Bed ...

A CFD model for simulation of catalytic fluidized bed reactor for water treatment was developed for the proposed fluidized bed reactor for better understanding. TOC concentration profile was determined by using CFD. This approach can help obtain a more specific understanding of design and optimization of fluidized bed reactor.

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US4245395A - Fluidized bed drying - Google Patents

The invention resides in one embodiment in a multiple effect method of and apparatus for drying a solid material containing a vaporizable material which comprises establishing at least first and second fluidized beds containing the solid material in which in at least the first fluidized bed the fluidizing medium is the vaporizable material in vapor form and in which the fluidized beds are ...

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Study of the Bed Agglomeration in the Straw-fired ...

In this article, the bed agglomeration in the straw-fired fluidized bed was studied. The influence of fluidization velocity and bed temperature on the fluidization time was investigated. The effect of running parameters on the fluidization recovery, after the defluidization had occurred, was studied ...

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