Document Type
Article
Language
eng
Publication Date
4-2020
Publisher
Elsevier
Source Publication
Current Opinion in Environmental Science & Health
Source ISSN
2468-584
Abstract
Wastewater resource recovery facilities produce wastewater solids that offer potential for energy recovery. This opinion article provides a perspective on state-of-the-art technologies to recover energy from sludge (unstabilized wastewater residual solids) and biosolids (stabilized wastewater solids meeting criteria for application on land). The production of biodiesel fuel is an emerging technology for energy recovery from sludge, whereas advancements in pretreatment technologies have improved energy recovery from anaerobic digestion of sludge. Incineration is an established technology to recover energy from sludge or biosolids. Gasification, and to a greater extent, pyrolysis are emerging technologies well-suited for energy recovery from biosolids. While gasification produces high-energy gases, pyrolysis has the benefit of producing biochar in addition to pyrolysis gas. Research on the use of pyrolysis liquids, however, must proceed to advance pyrolysis implementation efforts. Future research on improvements to dewatering and drying of sewage sludge and biosolids will help advance all technologies reviewed.
Recommended Citation
Liu, Zhongzhe; Mayer, Brooke; Venkiteshwaran, Kaushik; Seyedi, Saba; Raju, Arun S.K.; Zitomer, Daniel; and McNamara, Patrick J., "The State of Technologies and Research for Energy Recovery from Municipal Wastewater Sludge and Biosolids" (2020). Civil and Environmental Engineering Faculty Research and Publications. 251.
https://epublications.marquette.edu/civengin_fac/251
Comments
Accepted version. Current Opinion in Environmental Science & Health, Vol. 14 (April 2020): 31-36. DOI. © 2020 Elsevier. Used with permission.