fluidised bed
Biomass Gasification: Fast Internal Circulating Fluidised Bed Gasifier Characterisation and Comparison
... the bed; however, there were three issues that made it unsuitable for permanent ...time bed material began to fuse between the rod and the surface of the housing tube which eventually lead to a short ...
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Geometrical design of stand pipe air distributors for the combustion of municipal solid waste in a fluidised bed
... The types of gas distributor have a significant influence on the behaviour of the fluidised bed. The function of the distributor is to provide a uniform flow of small bubbles to enhance mixing. It should be ...
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Study The Homogeneity of Mixing a Binary Polyethylene Granular Mixture in Fluidised Bed Mixer
... Abstract—Since the 1940s the techniques of mixing indices have been used to determine the level of homogeneity in solid mixtures. At present, many mixing indices have been proposed to measure the evolution of the ...
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The Crucial Role of the Process Modelling During the Design of a Bubbling Fluidised Bed Gasifier of Plastics
... bubbling fluidised bed used to gasify plastic waste must taken into account both the typical hydrodynamics of a bubbling bed and the specific characteristics of the thermochemical transformation of ...
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An Improved Sparge Pipe Air Distribution System for a Fluidised Bed Combustor
... In an attempt to reduce the flow maldistribution, and increase the overall flow rate of air, CFD simulations were undertaken for a sparge pipes incorporating a wide range of different hole geometries in which both the ...
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Energy and environmental assessment and reuse of fluidised bed recycled carbon fibres
... Fluidised bed CFRP recycling, Compression moulding, Energy analysis, Life cycle assessment.. INTRODUCTION Growing demand for carbon fibre reinforced polymers CFRP for lightweighting in a[r] ...
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Biological denitrification using coconut shells in a fluidised bed reactor
... This research builds upon these concepts and investigates the application of coconut shell fragments within a fluidised bed to sustain biological denitrification where the coconut shell [r] ...
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Mechanistic, neural network, and intelligent hybrid models for a three phase fluidised bed biofilm reactor : a thesis presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Environmental Engineering at Institute of Technology and Engineering, Massey University
... a fluidised-bed biofilm reactor, this off-line method requires the removal of bioparticles as a sampl e from the reactor, and a number o f samples to obtain the desired measurement ...
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Magnetically stabilised fluidised bed reactor for biotransformations
... packed bed reactor is not a viable solution due to operating difficulties (such as gas consumption/production or pH control limitations), a MSFBR can provide this ...packed bed, than a fluidised ...
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Potential uses of fluidised bed boiler ash as a liming material, soil conditioner and sulphur fertiliser : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Soil Science at Massey University
... Fluidised bed combustion is a technology utilised in the burning of high sulphur coal to limit the amount of S expelled into the atmosphere (Fennelly et ...a bed of inert ash and crushed limestone. ...
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Pyrolysis of brominated feedstock plastic in a fluidised bed reactor
... a fluidised bed reactor at bed temperatures of 450-550 °C, a range recommended for the monomer recovery from waste polystyrene pyrolysis ...The fluidised bed reactor (figure 1) was ...
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Energy and environmental assessment and reuse of fluidised bed recycled carbon fibres
... Total energy consumption electricity + natural gas for the fluidised bed recycling plant for.. various annual outputs of rCF and feed rate per unit bed area..[r] ...
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Experimental investigation of woody and non woody biomass combustion in a bubbling fluidised bed combustor focusing on gaseous emissions and temperature profiles
... dense bed and the temperatures along the reactor are closely monitored during each test so that any signs of agglomeration, de fl uidisation or extremely high tempera- ture can be spotted at the earliest ...the ...
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A Direct Graphite Resistance Heated Fluidised Bed: Principles and Thermal Performance of a Pilot Plant EUR 4699
... As the outer heater forms a graded thermal barrier with reduced radial heat losses from the internal section, power consumption can be reduced by an estimated 50$ over the conventional d[r] ...
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The combustion of wood, mainly as assessed by fluidised bed differential thermal analysis, with particular reference to rubber wood
... iv Temperature drop across heat sink Weight of one side of steel block= 10.75 kg Height of steel block Weight of a section of length 70 mm Specific heat of steel at 400°C.. Mean heat flu[r] ...
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Modelling the drying kinetics of canola in fluidised bed dryer
... A good fluidisation behaviour in terms of perfect mixing of the bed material was clearly observed. This was substantiated with a low fluctuation in the bed pressure drop, which was an indication for smooth ...
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Drying Characteristics of Ragi using Circulating Fluidised Bed
... transfer and uniform temperature distribution 7 . The CFB offers advantages such as facility to handle cohesive particles, a high degree of mixing of solids and used for heat sensitive materials 8 . Many works have been ...
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Pressurised Fluidised Bed Combustion (PFBC) – Clean Coal Technology
... 1 THE PFBC PROCESS AND EQUIPMENT A PFBC power plant consists of three main components — a gas turbine, a steam turbine and a combustor ( fluid bed in a pressure vessel) (Fig. 1). The gas turbine provides ...
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A study of fluidised bed granulation
... For example, at a given binder concentration and at fixed f1uidising conditions, glass powder tends to form agglomerates (or to quench) when carbowax is used as [r] ...
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Design Aspects of Bubbling Fluidised Bed Boiler for Municipal Solid Waste
... b) Excess Air: The mixing between fuel and air is never perfect. Some areas will be oxygen-deficient and some areas even oxygen-starved. Ultimately, all fuel particles must have the necessary oxygen to complete their ...
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