maghrenov workshop-on-capacity-building-eu-mpcsolar-flash-drying-process-for-phosphates
Post on 07-Nov-2014
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SOLAR FLASH-DRYING PROCESS FOR PHOSPHATES
InnoTherm III.13
Centro Tecnológico Avanzado de Energías Renovables
S. Vaudreuil T. Bounahmidi
R. El Mrabet V. Ruiz-Hernandez
P. Pozzorini
Project target
•Development of a drying process using solar thermal energy as an energy source:
• Types of dryer: Flash and Rotary
• Materials to be dried: Phosphates and mining sludge
EXAMPLE OF
THE PROCESS
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CHAMP D’HÉLIOSTATS
RÉCEPTEUR
CONCENTRATEUR SOLAIRE
COLONNE DE
SÉCHAGE
VENTURI
CAISSON D'AIR CHAUD
DISTRIBUTEUR À VIS
MÉLANGEUR
ALIMENTATION
PRODUIT
RECIRCULATION
SÉPARATEUR CYCLONIQUE
VENTILATEUR
AIR FRAIS
ÉCHANGEUR
Project Objectives
•Develop a solar drying process for phosphates and mining sludge
• Enhance scientific and technical knowledge on the flash drying process
• Evaluate the technical feasibility and the economics of solar drying phosphates and mining sludge
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Project Components
1) Development of a test bench for empirical studies on flash-drying.
2) Modeling of the flash dryer and rotary dryer.
3) Development of a solar thermal technology.
4) Utilization of the model for the preliminary draft of the solar flash-dryer.
5) Fabrication of the solar flash-dryer pilot plant.
6) Study draft of an industrial flash-drying unit.
7) Study draft of the adaptation of a rotary drier for mining sludge.
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Roles of Partners
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� Project coordination � Scientific Expertise � Supervision of PhD students � Site for test bench
� Fabrication of the solar collector (Test bed and semi-pilot) � Technical Expertise � Hosting doctoral students: training and testing
� Scientific expertise � Technical Expertise � Hosting doctoral students: training and testing
� Technical expertise � Provision of HR (P.Eng, tech.) � Industrial Testing � Installation site of the semi-pilot solar flash-dryer
Centro Tecnológico Avanzado de Energías Renovables
Example of the CSP Experience of
• Simple operation: use of air as heat transfer
fluid without intermediary heat exchanger
• Air temperature output: up to 650 ° C
• Less expensive solar collectors than other types: Simple construction with locally produced materials, fewer imported components.
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Cimar, Italcementi Group Ait Baha
Potential benefits
• Financial savings from reduced energy consumption of fossil sources
• Protection of the environment through reduction in CO2 production
• Training of 4 PhD students and one post-doctoral on the industrial applications of solar energy
• Generate Intellectual Property (3 patents, 12 publications)
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