Journal
APPLIED SCIENCES-BASEL
Volume 11, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/app11041575
Keywords
phosphogypsum; recycling; processing methods; management; cluster visualization; biochemical approach
Categories
Funding
- Ministry of Education and Science of Ukraine [0116U006606]
- Internal Grant Agency of the Faculty of Tropical AgriSciences, Czech University of Life Sciences, Prague [20205008]
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This paper analyzes the recycling and possible alternatives of phosphogypsum, identifies the drawbacks of existing processing methods, and discusses future trends in waste management. Research findings reveal the utilization of phosphogypsum in various fields such as construction, agriculture, and environmental sectors, as well as its impacts on ecosystems and microorganisms.
The problem of recycling and storage of phosphogypsum is topical for many countries around the world, as it is associated with environmental problems of pollution of water bodies, land, and atmosphere. Therefore, this paper analyzes the directions of phosphogypsum recycling and possible alternatives to its use. The main disadvantages of the existing methods of phosphogypsum processing were identified and trends in this waste management were also considered. Through the VOSviewer programme, a visualization of cluster interconnections was carried out in research publications of various fields of phosphogypsum utilization. Five clusters were formed: a red cluster-phosphogypsum recycling in the construction industry; green cluster-radiation pollution problem of phosphogypsum and phosphate fertilizers; yellow cluster-monitoring migration of phosphogypsum components in the ecosystem, with the mobile forms of heavy metals and their inflow into aquifers from phosphogypsum dumps; blue cluster-use of phosphogypsum in agriculture as an ameliorant and a component of fertilizer; and a purple cluster-the impact of phosphogypsum on microorganisms, particularly in bioremediation processes. Under the proposed integrated biochemical approach, the use of various bioprocesses of phosphogypsum recovery from waste dumps and implementation of new biotechnological solutions for processing phosphorus raw materials are presented.
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