A Variable Feed Rate Mechanism for Fluidized Bed Asbestos Generators

AIHAJ ◽  
1985 ◽  
Vol 46 (1) ◽  
pp. 24-27 ◽  
Author(s):  
R.G. SUSSMAN ◽  
J.M. GEARHART ◽  
M. LIPPMANN
Keyword(s):  
Fluidized Bed ◽  
Feed Rate ◽  
Variable Feed Rate ◽  
Rate Mechanism

Continuous variable feed rate: a novel method for improving infeed grinding processes

2014 ◽  
Vol 73 (1-4) ◽  
pp. 53-61 ◽  
Author(s):  
Jorge Alvarez ◽  
David Barrenetxea ◽  
Jose Ignacio Marquinez ◽  
Iñigo Bediaga ◽  
Ivan Gallego
Keyword(s):  
Feed Rate ◽  
Continuous Variable ◽  
Grinding Processes ◽  
Novel Method ◽  
Variable Feed Rate

scholarly journals Influence of drying conditions on process properties and parameter identification for continuous fluidized bed spray agglomeration

2018 ◽  
Author(s):  
Gerd Strenzke ◽  
Ievgen Golovin ◽  
Maximilian Wegner ◽  
Stefan Palis ◽  
Andreas Bück ◽  
...  
Keyword(s):  
Fluidized Bed ◽  
Feed Rate ◽  
Continuous Process ◽  
Binder Content ◽  
Balance Model ◽  
Process Stability ◽  
Primary Particles ◽  
Bed Agglomeration ◽  
Drying Conditions ◽  
Population Balances

Agglomeration is a particle formulation process in which at least two primary particles are combined to form a new one. The growth of agglomerates depends on interactions of particles covered with wet spots that generated by depositions of binder droplets. This work experimentally compares the influence of external feed rate and sprayed binder content on product properties and process stability with internal separation at different drying conditions. Due to the identification of parameters a populations balance model (PBM) is developed. The PBM includes the agglomeration kernel function, which characterizes the kinetics, i.e. the rate at which primary particles build agglomerates. Keywords: spray fluidized bed agglomeration; drying; continuous process; internal separation; population balances

Texture and Antioxidant Properties of Puffed Pounded-Unripe Rice Coated by Marigold Extract as Affected by Fluidized-Bed Coating Conditions

2016 ◽  
Vol 718 ◽  
pp. 115-119 ◽  
Author(s):  
Wasan Duangkhamchan ◽  
Sudathip Inchuen
Keyword(s):  
Fluidized Bed ◽  
Air Temperature ◽  
Feed Rate ◽  
Antioxidant Activities ◽  
Antioxidant Properties ◽  
Total Phenolic ◽  
Breakfast Cereal ◽  
High Feed Rate ◽  
Fluidized Bed Coating ◽  
High Feed

We investigated the effects of fluidized-bed coating parameters on texture and antioxidant properties of puffed pounded-unripe rice (PPUR) coated by marigold extract with variations of inlet air temperature of 50, 60 and 70°C and coating solution feed rate of 5, 7.5 and 10 ml/min. The results showed that increasing inlet air temperature tended to reduce the hardness of coated PPUR, while the adverse effect was found with increasing feed rate. Both parameters did not significantly affect the crispiness. We also found that fluidizing air temperature and feed rate significantly affect total phenolic content (TPC), total flavonoid content (TFC) and their antioxidant activities. Higher feed rate slightly increased TPC and antioxidant activities as determined by DPPH and FRAP assays, but not for TFC. As mostly found in medicinal plants, all antioxidant properties decreased when temperature increased. Based on the amount of TPC and TFC and their antioxidant activities, we recommend low inlet air temperature and high feed rate to improve health benefits of puffed pounded-unripe rice as a breakfast cereal. However, agglomeration must be concerned when using high feed rate.

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