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DEVELOPMENT AND ENERGY OPTIMIZATION OF A SPOUTED BED WITH AIR EXHAUST HEAT RECOVERY SYSTEM OPERATING UNDER CONDITIONS OF INTERMITTENCE

Grant number: 18/22655-2
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): August 05, 2019
Effective date (End): August 04, 2020
Field of knowledge:Engineering - Chemical Engineering - Industrial Operations and Equipment for Chemical Engineering
Principal researcher:Jose Teixeira Freire
Grantee:Ronaldo Correia de Brito
Supervisor abroad: Martin Olazar
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Research place: Universidad del País Vasco (UPV), Spain  
Associated to the scholarship:17/01856-7 - Development and energy optimization of a spouted bed with air exhaust heat recovery system, operating under conditions of intermittence, BP.DR

Abstract

The conventional spouted bed has presented several limitations that restrict the use on an industrial scale. Thus, studies of different methodologies and configurations have been performed to overcome such limitations. Limited processing capacity (scaling-up) and the energy issues are some of the main problems considered from an industrial point of view. Alternatives as a heat recovery system lost in the exhaust air, intermittent drying, and draft tube can be promising and have not been explored in the spouted bed. Therefore, the main objective of the current Ph.D. project is to design a spouted bed with a heat recovery system lost in the exhaust air, coupling methodology of the intermittency and the use of the draft tube. Two types of intermittency (reduction and total interruption of the air flow) and five different intermittency profiles will be evaluated, including the use of time-variant intermittency ratios. Alumina, soybean, and barley will be used as particulate materials. Three types of draft tube will be employed: porous, nonporous, and open-sided. Modeling and Pinch analysis will be performed to optimize the equipment developed. Energy and Pinch analysis will be carried out to investigate the performance of the designed equipment. Thus, the current Ph.D. project aims to obtain an energy efficient equipment with suitable and feasible characteristics for industrial applications.

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