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SUSTAINABLE RECOVERY OF PHOSPHORUS COMPOUNDS FROM SEWAGE SLUDGE IN THE CIRCULAR ECONOMY APPROACH

Wajda, A.; Jaworski, T. J.
Abstract:
Phosphorus, as one of the biogenic elements, is a compound conditioning the life of organisms, as well as plays an important role in the industry. The processes related to the recycling of phosphorus compounds and closing the loop of it, result primarily from the financial situation on world markets, the state of deposits of this element and the implementation of EU directives - Critical Raw Materials and Circular Economy. In the face of such conditions, the recovery of phosphorus from sewage sludge is an important element of the sustainable management of recyclable materials contained in the waste material. The work presents a comparison of currently used techniques of phosphorus recovery from sewage sludge and from ashes formed after their thermal transformation. The process efficiency and the economic aspect were taken as the analysis criterion. The existing solutions have been assessed. An attempt was also made to determine the possible directions of the development of the process of recovering phosphorus compounds from sewage sludge.
SGEM Research areas:
Year:
2018
Type of Publication:
In Proceedings
Keywords:
phosphorus recovery; sewage sludge; phosphorus compounds; Circular Economy
Volume:
18
SGEM Book title:
18th International Multidisciplinary Scientific GeoConference SGEM2018
Book number:
4.3
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
119-126
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
3 – 6 December, 2018
ISBN:
978-619-7408-70-6
ISSN:
1314-2704
Conference:
18th International Multidisciplinary Scientific GeoConference SGEM2018, 3 – 6 December, 2018
DOI:
10.5593/sgem2018V/4.3/S05.015
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