Drying of industrial sludge waste in a conical spouted bed dryer. Effect of air temperature and air velocity

ABSTRACT

To determine the performance of a conical spouted bed dryer for the drying of sludge waste, an experimental study of drying in a spouted bed regime was performed under different experimental conditions. The drying performance was determined based on the time evolution of solid moisture content, and the influence of operating conditions (inlet air temperature, air flow rate, and bed mass) on the drying rate of sludge waste in spouted beds of a conical geometry was analyzed.

GRAPHICAL ABSTRACT

KEYWORDS:

• Conical spouted beds
• deinking sludge
• drying
• operation conditions
• sludge waste

Additional information

Funding

This work was performed with financial support from the Spanish Ministry of Economy and Competitiveness and was co-funded by the European Union through ERDF funds (Projects CTQ2014-59312-P and CTQ2017-89199-P).