Toward an approach for moisture estimation during hot air drying of neem leaves (<i>Azadirachta indica</i>) using pulsed phase thermography

Sludge generated from kraft pulp mill wastewater treatment plants (WWTPs) is typically non-inert solid waste and is commonly disposed of in landfills. In this study, a novel approach for repurposing WWTP sludge from a kraft pulp mill in Brazil for energy generation was assessed. With the global cellulose market projected to reach $ 61 billion by 2033, there is a growing need for sustainable energy solutions and disposal of associated industrial byproducts. This study investigated the performance of a hybrid active solar dryer for reducing the moisture content of sludge to enhance the feasibility of sludge burning in a biomass boiler. Through rigorous experimentation and design of experiments (DOE) planning, optimal parameters for the hybrid dryer were determined, specifically, a volumetric airflow rate of 1.1 m/s and an entrance temperature of approximately 51 °C. This innovative approach not only addresses the environmental concerns associated with sludge disposal, but also contributes to the broader goal of advancing sustainable technologies in the midst of global energy challenges.

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Toward an approach for moisture estimation during hot air drying of neem leaves (Azadirachta indica) using pulsed phase thermography

Cited by 2 publications

References 28 publications

A novel spatio-temporal attention-based bidirectional LSTM model for moisture content prediction in drying process

A novel spatio-temporal attention-based bidirectional LSTM model for moisture content prediction in drying process

Hybrid solar drying of sludge from kraft pulp mills

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