Sustainable Heat Management and Drying in Textile Processing
摘要
The textile industry is one of the most resource-intensive sectors, with drying processes accounting for up to a quarter of total energy consumption in textile finishing. Traditional drying techniques, which include convection, conduction, and radiation, are effective in removing moisture but are highly reliant on fossil fuels, hence contributing enormously to greenhouse gas emissions into the environment. This chapter dwells on some eco-friendly solutions that achieve high energy efficiency, ethically lower operational costs, and sustainable manufacturing. Innovations in convection drying, such as waste heat recovery, IoT moisture sensors, and hybrid solar-thermal drying, show significant savings in fuel consumption and emissions. Conduction drying also progresses using effective steam transport, condensation recovery, and renewable energy to heat, like biomass or solar thermal energy. Radiation drying, including infrared, microwave-aided, and hybrid microwave-convection units, can provide on-zone drying of a wide range of products with energy savings up to 77% compared to convection. Taken together, they reflect a paradigm shift in the processing of textiles as they focus on sustainability, integration of renewable energy, and the intelligent control of such processes to produce greener and more efficient drying technology.