Progress in Multi-Soil-Layering Systems for Wastewater Treatment

Teng-Fei Ma (), Jin Wu, Li Feng, Xin-Ping Chen and Jing He ()
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Teng-Fei Ma: College of Resources and Environment, Southwest University, Chongqing 400716, China
Jin Wu: Water Environment Engineering Technology Innovation Center, Chongqing Academy of Ecological and Environmental Sciences, Chongqing 401147, China
Li Feng: Water Environment Engineering Technology Innovation Center, Chongqing Academy of Ecological and Environmental Sciences, Chongqing 401147, China
Xin-Ping Chen: College of Resources and Environment, Southwest University, Chongqing 400716, China
Jing He: School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010, China

Sustainability, 2024, vol. 16, issue 8, 1-21

Abstract: The use of decentralized wastewater treatment technologies is a reasonable solution for rural areas. As a decentralized treatment technology, the multi-soil-layering (MSL) system has recently drawn an increasing amount of attention owing to its merits, such as a high hydraulic load rate, small land area occupation, low probability of clogging, low investment, and low operation cost. This review summarizes the progress in MSL systems in the past decade, focusing on the directions of efforts for system optimization, the latest applications of MSL systems to various wastewater treatments, and the integration of MSL with other technologies. The great application potential of MSL systems is illustrated, and future research directions regarding better application of MSL systems are provided.

Keywords: multi-soil-layering systems; decentralized treatment technology; removal performance and mechanism; material composition; integrated system; wastewater treatment (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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