i CERTIFICATE This is to certify that the thesis entitled “Fluidized bed reactor: design and application for abatement of Fluoride” submitted by Subhadarshinee Sahoo (108CH052) in partial fulfilment for the degree of Bachelor of Technology in Chemical Engineering at National
DESIGN OF NEW FLUIDIZED BED REACTORS FOR CVD - PROCESSES T Strer, M Schober, K-E Wirth Institute of Particle Technology University of Erlangen-Nuremberg, 91058 Erlangen, Germany 1 ABSTRACT A new concept of fluidized bed will be shown which can be used for various gas-to-
State-of-the-art measuring and control technology of the SCHWING fluidized bed reactors ensures precise process control and reproducibility of the thermo-chemical processes where temperatures up to 1100 °C or process pressures up to 15 bar as well as the use of aggressive media are possible
for the rational design of catalytic reactors The problem of the proper temperature difference is the source of much of the difficulty with particle-to-fluid heat transfer in fluidized beds In systems other than fluidized beds, the problem is usually comparatively simple; the concept of a laminar zone
When fluidized, a bed of solid particles will behave as a fluid, like a liquid or gas 231 A FLUIDIZED BED REACTOR A fluidized bed reactor (FBR) is a type of reactor device that can be used to carry out a variety of multiphase chemical reactions In this type of reactor, a fluid (gas or liquid) is
fluidized bed reactor oleh : kelompok 3 emma fitria (h1d105015) ernawati (h1d105041) irham ruhandi (h1d105027) nugraha ym (h1d105033) sali ashar (h1d105017) – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow - id: 4582b1-N2M5N
A fluidized bed reactor (FBR) is a type of reactor device that can be used to carry out a variety of multiphase chemical reactions In this type of reactor, a fluid (gas or liquid) is passed through a solid granular material (usually a catalyst possibly shaped as tiny spheres) at high enough velocities to suspend the solid and cause it to behave as though it were a flu
Fluidized bed reactors have been studied in several reactor engineering researches for OCM, also quite stable and efficient performance was reported especially in case of reactor operability and safety concerns Due to the large exothermic of the OCM reaction, a fluidized bed reactor enables an almost isothermal reactor performance in OCM and was therefore the first investigated reactor type
virtues of the fluidized-bed reactor drove its competitors from the market Fluidization occurs when small solid particles are suspended in an upward-flowing stream of fluid, as shown in Figure R1231 Figure R123-1 From Kunii and Levenspiel Fluidization Engineering, ,
fluidized bed reactor the hydrodynamics should be known 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 profil
In this work an attempt is made to design and construct a low cost fluidized bed reactor that will be used in the drying of food products and its performance was also evaluated 2
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Subject: Fluidized Bed Characteristics Our pilot plant group wishes to insert a fluidized bed reactor in one of the tail gas streams from their new pilot plant We have such a reactor in our laboratory which could be used to study the operating characteristics of the bed
Fluidized beds are used widely in chemical processing industries for separations, rapid mass , either gaseous or liquid, ﬂows In the case of ﬂuidized bed reactors, the particles would contain a catalyst, and for separations, the particles might be an absorbent or adsorbent , the design of any ﬂuidization operation The details of .
Current and Potential Applications of Fluid-bed Technology in the Ferroalloy Industry 125 At higher superficial gas velocities, the slip velocity begins to drop (see Figure 2), and the system enters the pneumatic transport regime Which regime one chooses to operate a fluidized bed will determine the design of the unit
For determining design parameters of a fluidized bed reactor three phase model, known as Kunni- Levenspiel (K-L) model, has been followed K-L model has been found to be closer to the real situation as it considers the three phases in the fluidized bed reactor separately, namely emulsion phase, bubble phase and cloud phase
The reactors will be marketed as fluidized bed, fixed film bioreactors for aerobic and anaerobic degradation of organic compounds in soil and in water Sarra et al studied the continuous production of a hybrid antibiotic by a transformed strain of Streptomyces lividans TK21 in a three-phase fluidized bed Cell aggregates, known as pellets .
Fluidized bed reactorppt - Download as Powerpoint Presentation (ppt), PDF File (pdf), Text File (txt) or view presentation slides online Scribd is the world's largest social reading and publishing site
Aug 06, 2014· Enzyme Technology Fluidised bed reactors These reactors generally behave in a manner intermediate between CSTRs and PBRs They consist of a bed of immobilised enzyme which is fluidised by the rapid upwards flow of the substrate stream alone or in combination with a gas or secondary liquid stream, either of which may be inert or contain material relevant to the reaction
A fluidized-bed reactors must also make allowance for separating the fluid-phase product from entrained solids so that solids are not carried out of the reactor (Towler and Sinnott, 2013) Trickle Bed Reactors; Trickle bed reactors are used when all three phases are involved in the reaction
Basic Design of a Fluidized Bed Reactor for Wastewater Treatment Using Fenton Oxidation Article (PDF Available) in International Journal of Innovation and Technology Management Vol 5, No 2(2 .
Fluidized-bed gasifiers may differ in ash conditions (dry or agglomerated/slagging) and in design configurations for improving char use Also, depending on the degree of fluidization and bed height, these types of reactors sometimes are also named as circulating fluidized bed reactors, and/or transport reactors
Fixed-or moving-bed gasifiers include that of Lurgi and British Gas Lurgi (BGL) Examples of fluidized-bed gasifiers include the catalytic gasifier technology being commercialized by Great Point Energy, the Winkler gasifier, and the KBR transport gasifiers For more specific information on these gasifiers and others, follow the links for the .
• Tubular Reactor, or • Packed Bed Reactor, or • Fluidized Bed Reactor, depending upon the flow pattern and manner in which the phases make contact with each other A detailed comparison of various chemical reactors is tabulated in Table-2 Table 2 : Comparison Of Chemical Reactors S No Type of Reactor Principle of Working
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 BSc Chemical Eng & MSc Chemical Eng School of Engineering-Cardiff University
A STUDY OF THE DESIGN OF FLUIDIZED BED REACTORS FOR BIOMASS GAS IFICATION UC]L I I Ajmal LatifMEng A Thesis Submitted for the Degree of DOCTOR OF PHILOSOPHY at the University of London November 1999 Department of Chemical Engineering Torrington Place London WC 1 E 7JE
Fluidized bed dryer (FBD) is well known and widely used equipment in granulation area of pharmaceutical manufacturing It is used in the granulation process for drying the material to get desired moisture content in the tablet formulation granules required for perfect compression of tablets
Fluidized bed reactors are heterogeneous catalytic reactors in which the mass of catalyst is fluidized This allows for extensive mixing in all directions A result of the mixing is excellent temperature stability and increased mass-transfer and reaction rat Fluidized bed reactors are capable of handling large amounts of feed and catalyst
FLU ID IZ E D B E D R E A C T O R A fluidized bed reactor (FBR) is a type of reactor device that can be used to carry out a variety of multiphase chemical reactions In this type of reactor, a fluid (gas or liquid) is passed through a granular solid material (usually a catalyst ) at high enough velocities to suspend the solid and cause it to behave as it were a liqu Basic Principles T h e .
Oct 16, 2017· A fluidized bed reactor (FBR) is a type of reactor device that can be used to carry out a variety of multiphase chemical reactions , Fluidized bed reactors are a relatively new tool in the .