نتایج جستجو برای: fluidized bed reactor

تعداد نتایج: 76360  

2012
Varsha Midha M. K. Jha Apurba Dey

Biological sulfide oxidation of synthetic wastewater in fluidized bed bioreactor is studied using heterogeneous population of micro-organisms obtained from tannery effluent treatment plant. The FBBR used in this study is fabricated with glass having total volume of 0.6l (length of 0.38m and diameter of 0.045m). A separate 2l bottle is used as aeration tank to avoid the turbulence in the fluidiz...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده مهندسی 1387

چکیده ندارد.

2011
Aditya Kashyap V. K. Agarwal

This work presents a computational study of flow behaviour in a bubbling fluidized bed polymerization reactor. The model is developed by using the commercial CFD code Fluent 6.3. The model is based on an Eulerian description of the gas and the particle phase. The effect of distributor shape on fluidization is analyzed using the inbuilt Gidaspow and Syamlal-O’brien Drag Model. The computational ...

2012
Guang-Xia Li Teng-Chien Chen Yu-Jen Shih Hui Zhang

A manganese immobilization technology in a fluidized-bed reactor (FBR) was developed by using a waste iron oxide (i.e., BT-3) as catalyst which is a by-product from the fluidized-bed Fenton reaction (FBR-Fenton). It was found that BT-3 could easily reduce potassium permanganate (KMnO4) to MnO2. Furthermore, MnO2 could accumulate on the surface of BT-3 catalyst to form a new Fe-Mn oxide. Laborat...

2015
A. Coppola M. Urciuolo

Metals like Fe, Ca, Mn present in sewage sludge ash have been deposited on high surface -alumina with high mechanical resistance used as bed materials during sewage sludge fluidized bed combustion to produce low-cost CLC oxygen carriers. The produced oxygen carriers have been characterized using ICP-MS, X-ray diffraction (XRD), Scanning Electron Microscopy (SEM) and surface area (BET) analysis....

2012
J. Ruud van Ommen Jose Manuel Valverde Robert Pfeffer

Nanoparticles (NPs) are applied in a wide range of processes, and their use continues to increase. Fluidization is one of the best techniques available to disperse and process NPs. NPs cannot be fluidized individually; they fluidize as very porous agglomerates. The objective of this article is to review the developments in nanopowder fluidization. Often, it is needed to apply an assistance meth...

Journal: :Microbial Cell Factories 2005
Nasib Qureshi Bassam A Annous Thaddeus C Ezeji Patrick Karcher Ian S Maddox

This article describes the use of biofilm reactors for the production of various chemicals by fermentation and wastewater treatment. Biofilm formation is a natural process where microbial cells attach to the support (adsorbent) or form flocs/aggregates (also called granules) without use of chemicals and form thick layers of cells known as "biofilms." As a result of biofilm formation, cell densi...

2001
Sigurd Skogestad Elling W. Jacobsen Manfred Morari

Lewis, W. K.; Gilliland, E. R. Glass Werner, Solid-catalyzed reaction in a fluidized bed. AIChE J . 1959,5 (4), 419. McFatter, W. E.; Resen, F. L. Technical data of cat cracker Model 11. Oil Gas J . 1954, 53 (21), 86. McWhriter, W. E.; Tusson, J. R.; Parker, H. A. Detrehan Model 1V Fluid Cat Cracker. Pet. Refin. 1956,35 (4), 201. May, W. G. Fluidized-bed reactor studies. Chem. Eng. Prog. 1959, ...

2007

Cell Culture Bioreactors Basic Types of Bioreactors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Stirred Tank (Well Mixed) vs. Tubular Reactor (Plug Flow) . . . . . . . . . . . . . . . . . 3 Segregated Bioreactors (Dead Zone Present) Compartmentalized Bioreactors . . 4 Implication When Growth or Reaction Occurs in the Reactor . . . . . ....

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