Microwave fluidized bed for biomass pyrolysis. Part II: Effect of process parameters

2017 ◽  
Vol 11 (4) ◽  
pp. 613-624 ◽  
Author(s):  
Mohamed Adam ◽  
Daniel Beneroso ◽  
Juliano Katrib ◽  
Sam Kingman ◽  
John P. Robinson
Keyword(s):  
Fluidized Bed ◽  
Process Parameters ◽  
Biomass Pyrolysis

Thermal Pyrolysis of Polyethylene in Fluidized Beds: Review of the Influence of Process Parameters on Product Distribution

2012 ◽  
Vol 134 (3) ◽  
Author(s):  
K. Suresh Kumar Reddy ◽  
Pravin Kannan ◽  
Ahmed Al Shoaibi ◽  
C. Srinivasakannan
Keyword(s):  
Fluidized Bed ◽  
Process Parameters ◽  
Fluidized Beds ◽  
Pyrolysis Temperature ◽  
Liquid Product ◽  
Product Distribution ◽  
Major Influence ◽  
Process Conditions ◽  
Influence Of Process Parameters ◽  
Thermal Pyrolysis

The present work is an attempt to compile and analyze the most recent literature pertaining to thermal pyrolysis of plastic waste using fluidized bed reactors. The review is short owing to the small number of work reported in the open literature in particular to the fluidized beds. Although works on pyrolysis are reported in fixed beds, autoclaves, and fluidized beds, vast majority of them address to the utilization of fluidized bed due to their advantages and large scale adaptability. The pyrolysis temperature and the residence time are reported to have major influence on the product distribution, with the increase in pyrolysis temperature favoring gas production, with significant reduction in the wax and oil. The pyrolysis gas generally contains H2, CO, CO2, CH4, C2H4, C2H6 while liquid product comprises benzene, toluene, xylene, styrene, light oil, heavy oil, and gasoline with the variations depending on process conditions. The effects of other process parameters, namely fuel feed rate, fuel composition, and fluidizing medium have been reviewed and presented.

The Mechanisms of Material Removal in the Fluidized Bed Machining of Polyvinyl Chloride Substrates

2013 ◽  
Vol 135 (1) ◽  
Author(s):  
M. Barletta ◽  
V. Tagliaferri ◽  
F. Trovalusci ◽  
F. Veniali ◽  
A. Gisario
Keyword(s):  
Fluidized Bed ◽  
Polyvinyl Chloride ◽  
Process Parameters ◽  
Material Removal ◽  
High Speed ◽  
Mesh Size ◽  
Main Process ◽  
Machining Time ◽  
Polymeric Substrates ◽  
The Impact

In this paper, the mechanisms of material removal during the fluidized bed machining (FBM) of polymeric substrates are analyzed. Cylindrical components composed of polyvinyl chloride (PVC) were exposed to the impact of abrasives while rotating at high speed within a fluidization column. The interaction between the Al2O3 abrasive media and the PVC surfaces was studied to identify the effect of the main process parameters, such as the machining time, the abrasive mesh size, and the rotational speed. The change in the surface morphology as a function of the process parameters was evaluated using field emission gun—scanning electron microscopy (FEG-SEM) and contact gauge profilometry. An improvement in the finishing of the processed surfaces was achieved, and the related mechanisms were identified. The roles of the impact speed and the contact conditions between the abrading particles and the substrate were also investigated.

Tumbling fluidized-bed process parameters affecting quality of biopolymer coating on surface of pristine urea particles

2017 ◽  
Vol 320 ◽  
pp. 714-725 ◽  
Author(s):  
Babar Azeem ◽  
KuZilati KuShaari ◽  
Zakaria Man ◽  
Sayed Ameenuddin Irfan ◽  
Thanh H. Trinh
Keyword(s):  
Fluidized Bed ◽  
Process Parameters ◽  
Fluidized Bed Process

scholarly journals Study of Influence the Fluidized Bed Apparatus Geometrical Characteristics on Drying Process Technological Parameters

2020 ◽  
Vol 131 (6) ◽  
pp. 50-53
Author(s):  
A. A. Shurak ◽  
◽  
A. A. Shagarova ◽  
L. M. Mansur ◽  
◽  
...  
Keyword(s):  
Energy Consumption ◽  
Fluidized Bed ◽  
Process Parameters ◽  
Energy Efficient ◽  
Drying Process ◽  
Technological Parameters ◽  
Microsoft Excel ◽  
Geometrical Characteristics ◽  
Reduced Height ◽  
New Energy

Studies on the influence the fluidized bed apparatus geometrical characteristics on the technological parameters of the drying process. Algorithm and program of calculating tabular processor Microsoft Excel has been developed. Modeling results in the form of graphical dependencies, characterizing the influence of ratio of apparatus for technological process parameters are presented. Trend of energy consumption with reduced height of the separation space apparatus that taken into account in the development of new energy-efficient designs of dryers is installed.

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