Abstract Biosolids, inevitable by‐products of wastewater treatment processes, can be potentially used as a biomass feedstock for energy and resource applications. These by‐products have a high moisture content, which must be reduced before they can be used for further applications. Natural air drying is an energy saving and sustainable approach, but it highly depends on local climatic conditions. We conducted biosolid air drying experiments under room temperature and winter outdoor temperature. The biosolid air drying experiment under room temperature was designed to screen four factors: wind speed, solid content, layer thickness and pan location. Wind speed and solid content were identified as primary factors, and the specific evaporation rate increased as the wind speed increased and decreased as solid content increased. The developed regression model can effectively predict the specific evaporation rate. Under winter outdoor temperature, the results revealed the surrounding temperature has a great effect on the sublimation rate.

Fangtian Li

Xin Zhang

Yun Ji

Environmental Progress & Sustainable Energy

Environmental Progress , a quarterly publication of the American Institute of Chemical Engineers, reports on critical issues like remediation and treatment of solid or aqueous wastes, air pollution, sustainability, and sustainable energy. Each issue helps chemical engineers (and those in related fields) stay on top of technological advances in all areas associated with the environment through feature articles, updates, book and software reviews, and editorials.

Environmental Progress and Sustainable Energy is a quarterly publication of the American Institute of Chemical Engineers that addresses critical issues such as the remediation and treatment of solid or aqueous wastes, air pollution, sustainability, and sustainable energy. Each issue assists chemical engineers and professionals in related fields in keeping abreast of technological advancements in all areas associated with the environment through feature articles, updates, book and software reviews, and editorials.

《Environmental Progress and Sustainable Energy》是美国化学工程师学会的季刊，报道与环境相关的关键问题，如固体或水相废物的修复与处理、空气污染、可持续性和可持续能源。每期内容帮助化学工程师及相关领域的专业人士了解与环境相关的技术进展，包括专题文章、更新、书籍和软件评测以及社论。

Category	Quartile
环境科学与生态学	4
环境科学与生态学, 工程化工	4
环境科学与生态学, 工程环境	4
环境科学与生态学, 环境科学	4
环境科学与生态学, 绿色可持续发展技术	4

Investigation on specific evaporation rates during biosolid air drying process

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Journal Info

Category	Quartile
GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY	4