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Updated: Jan 22, 2026

Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment
Published on: July 22, 2019
Efficient degradation and recovery of organic phosphorus: potential strategy for producing slow-release phosphatic
Yinghao Li1, Ying Li1, Ke Jing1
1Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China.
Abstract:
Considering the serious harm caused by pollution resulting from organic phosphorus (OP) and the limited resources of phosphorus, there is an urgent need to develop feasible and efficient strategies to treat OP and recover phosphorus from it. In the present work, based upon (Bi/Fe)MIL-101-NH2 with sodium alginate (0.3BFM/SA) beads, a photocatalysis-adsorption-slow-release coupled (PASC) process was established for treating OP. In the PASC process, OP was converted to adsorbed phosphate and then to slow-release phosphatic fertilizer. Notably, the photodegradation of OP can be promoted by phosphate products. The applicability of the proposed PASC system for treating real-word OP wastewater was validated in a continuous flow reactor. Meanwhile, the development of zebrafish embryo and germination of seeds in the treated wastewater confirmed that the effluent was non-toxic. The growth of black algae was effectively promoted by slow-release phosphatic fertilizer that was recovered from the treatment of real-world OP wastewater. The present study can provide effective strategies for treating OP wastewater and recovering phosphorus from it.
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