Review discusses algal-bacterial granular sludge performance in mariculture wastewater treatment and resource recovery, suggesting future applications.
The rapid expansion of mariculture has led to a substantially increase in wastewater discharge, posing great threat to the surrounding environment. Characterized by high salinity and a low carbon to nitrogen ratio, such effluents significantly reduce the efficiency of conventional biological treatment systems. Recently, algal-bacterial granular sludge (ABGS) has attracted considerable attention for its potential in pollutant remediation and resource recovery even under stressful conditions. While its feasibility for treating mariculture wastewater has been demonstrated, a deeper mechanistic understanding is required to optimize practical applications. This review discusses the principles, performance, limitations, and future prospects of ABGS for green, sustainable mariculture wastewater treatment and biomass resource recovery.
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Cheng et al. (2026) studied this question.
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