Journal of Zhejiang Agricultural Sciences ›› 2025, Vol. 66 ›› Issue (8): 1853-1857.DOI: 10.16178/j.issn.0528-9017.20250391

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Research progress on treatment technologies for suspended solids in aquaculture tail water

XU Yuxin(), WANG Yuan, WANG Xin, JIN Junwei, LI Hua   

  1. Institute of Environment, Resource, Soil and Fertilizer, Zhejiang Academy of Agricultural Sciences,Hangzhou 310021, Zhejiang
  • Received:2025-05-29 Online:2025-08-11 Published:2025-09-04

Abstract:

The content of suspended solids in aquaculture effluent is a critical water quality parameter. Their removal is significant for aquaculture operations and reducing pollution from wastewater discharge. The primary sources of these suspended solids include uneaten feed, fish feces, and microorganisms. Key characteristics such as particle size, density, and settling velocity serve as important indicators for treatment design. In response to the varying properties of suspended solids, this paper reviews current treatment technologies, including: sedimentation, screen filtration, media filtration, foam separation, ozonation, electrocoagulation, and biofiltration. Future prospects for innovation in controlling and treating suspended solids in aquaculture are discussed, providing reference and insights for industry professionals.

Key words: aquaculture, water treatment technology, suspended solids, screen filtration, foam separation

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