scholarly journals Drying of biological materials in a spout-fluid bed with a draft tube

2002 ◽  
Vol 56 (4) ◽  
pp. 141-146 ◽  
Author(s):  
Dragan Povrenovic ◽  
Suzana Dimitrijevic-Brankovic
Keyword(s):  
Mechanical Stability ◽  
Draft Tube ◽  
Biological Materials ◽  
Pilot Scale ◽  
Drying Characteristics ◽  
Scale Unit ◽  
Fluid Media ◽  
Fluid Bed ◽  
Polyethylene Particles ◽  
Conical Bottom

The possibility of applying a spout-fluid bed with a draft tube and conical bottom was investigated for drying fluid media with a certain content of suspended material was investigated. The major goal who to study the drying of biological materials and products of food the industry. Experimental results concerning the fluidmechanical characteristics of a spout-fluid bed with a centrally situated draft tube and the drying characteristics were obtained on a pilot scale unit, 0.250 m in diameter, with a toed consisting of polyethylene particles 3.6 mm mean diameter and 940 kg/m3 density. Within the regime of the fluid mechanical stability, the system could be used for drying biological suspensions with satisfactory results.

Solids Circulation Flux and Gas Bypassing in a Pressurized Spout-fluid Bed with a Draft Tube

2008 ◽  
Vol 80 (5) ◽  
pp. 800-808 ◽  
Author(s):  
Rui Xiao ◽  
Mingyao Zhang ◽  
Baosheng Jin ◽  
Xiangdong Liu
Keyword(s):  
Draft Tube ◽  
Fluid Bed

Encapsulation of Orange Essential Oil in a Spout-Fluid Bed Dryer with a Draft Tube on a Bed of Inert Solids

2014 ◽  
Vol 32 (14) ◽  
pp. 1718-1726 ◽  
Author(s):  
Claudia Velázquez-Contreras ◽  
Guillermo Osorio-Revilla ◽  
Tzayhri Gallardo-Velázquez
Keyword(s):  
Essential Oil ◽  
Draft Tube ◽  
Fluid Bed ◽  
Orange Essential Oil

scholarly journals Second-Generation Lignocellulosic Supportive Material Improves Atomic Ratios of C:O and H:O and Thermomechanical Behavior of Hybrid Non-Woody Pellets

Molecules ◽  
2020 ◽  
Vol 25 (18) ◽  
pp. 4219
Author(s):  
Bruno Rafael de Almeida Moreira ◽  
Ronaldo da Silva Viana ◽  
Victor Hugo Cruz ◽  
Anderson Chagas Magalhães ◽  
Celso Tadao Miasaki ◽  
...  
Keyword(s):  
Second Generation ◽  
Mechanical Stability ◽  
Pilot Scale ◽  
Preliminary Evidence ◽  
Thermomechanical Behavior ◽  
Wood Pellets ◽  
Residual Biomass ◽  
Second Generation Bioethanol ◽  
Solid Biofuels ◽  
And Storage

Pellets refer to solid biofuels for heating and power. The pellet’s integrity is of great relevant to ensure safe and effective transportation and storage, and comfort to stakeholders. Several materials that are supportive, whether organic and inorganic, to pellets exist. However, no work in the literature is linking making hybrid non-wood pellets with addition of residual biomass from distillation of cellulosic bioethanol, and this requires further investigations. Figuring out how effective this challenging agro-industrial residue could be for reinforcing non-wood pellets is accordingly the scientific point of this study focusing on management of waste and valorization of biomass. The pilot-scale manufacturing of hybrid pellets consisted of systematically pressing sugarcane bagasse with the lignocellulosic reinforcement at the mass ratios of 3:1, 1:1, and 1:3 on an automatic pelletizer machine at 200 MPa and 125 °C. Elemental contents of C and H, durability, and energy density all increased significantly from 50.05 to 53.50%, 5.95 to 7.80%, 95.90 to 99.55%, and 28.20 to 31.20 MJ kg−1, respectively, with blending the starting material with the reinforcement at 1:3. Preliminary evidence of residual biomass from distillation of second-generation bioethanol capable of highly improving molecular flammable/combustible properties, mechanical stability, and fuel power of composite non-wood pellets exist.

Recovery of cellulase activity after ethanol stripping in a novel pilot-scale unit

2014 ◽  
Vol 41 (4) ◽  
pp. 637-646 ◽  
Author(s):  
Pernille Anastasia Skovgaard ◽  
Børge Holm Christensen ◽  
Claus Felby ◽  
Henning Jørgensen
Keyword(s):  
Cellulase Activity ◽  
Pilot Scale ◽  
Scale Unit

Study on the flow behavior in spout-fluid bed with a draft tube of sub-millimeter grade silicon particles

2014 ◽  
Vol 237 ◽  
pp. 277-285 ◽  
Author(s):  
Guoliang Su ◽  
Guoqiang Huang ◽  
Ming Li ◽  
Chunjiang Liu
Keyword(s):  
Draft Tube ◽  
Flow Behavior ◽  
Fluid Bed ◽  
Grade Silicon ◽  
Silicon Particles

Simple approaches towards the design of an attached-growth sponge bioreactor (AGSB) for wastewater treatment and reuse

2006 ◽  
Vol 54 (11-12) ◽  
pp. 191-197 ◽  
Author(s):  
H.H. Ngo ◽  
M.C. Nguyen ◽  
N.G. Sangvikar ◽  
T.T.L. Hoang ◽  
W.S. Guo
Keyword(s):  
Wastewater Treatment ◽  
High Efficiency ◽  
Low Cost ◽  
Pilot Scale ◽  
Synthetic Wastewater ◽  
Biomass Growth ◽  
Attached Growth ◽  
Scale Unit ◽  
Nutrient Removal Efficiency ◽  
Selection Of

Wastewater treatment and reuse is being emphasized due to the shortage of water sources and the continuous deterioration of the aquatic environment. In this study, a novel sponge bioreactor was studied as a low cost, high efficiency alternative for an attached growth biological system. This was designed by combining of number of sponge trays. This emerging technology has many beneficial properties in wastewater treatment and reuse. The approaches towards the conditions for system design were: (i) selection of sponge types; (ii) selection of sponge shapes; and (iii) selection of designated slope of sponge tray. They were determined through a series of experiments using a laboratory-scale unit with synthetic wastewater. It was then tested with a pilot-scale unit at the predetermined optimum conditions. The results indicate that the highest biomass growth was found at the sponge type with a cell count of 70–90 cells/in2 (6.45 cm2) The relationship between biomass growth and biological oxygen consumption was well established. The prism-shaped sponge (triangular polyurethane sponge of 70–90 cells/in2 with designated slope of sponge tray at 10 degrees) led to the best performance in terms of both organic and nutrient removal efficiency.

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