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Analysis of the physical and chemical composition of sludge from the water treatment plant
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Title: Analysis of the physical and chemical composition of sludge from the water treatment plant

Creator:

Ciuła, Józef ; Wiewiórska, Iwona ; Kulczycka, Joanna ; Willson, Julia

Date:

2024

Type:

artykuł w czasopiśmie

Alternative title:

Analiza składu fizycznego i chemicznego osadu z oczyszczalni ścieków

Description:

The properties and composition of the sludge generated in water treatment systems depend primarily on the type and composition of the water to be treated, the treatment methods, and the type and doses of chemical reactants. The sludge produced in the water treatment plant (WTP) under study follows the technological processes of coagulation, flocculation, sedimentation, and filtration. The analyses aimed to characterize the sludge in terms of its physico-chemical properties and classify it in terms of its potential discharge into the river and management. Four series of sediment tests were conducted over a calendar year (March, June, September and December), analysing selected parameters using various test methods, including the X-ray crystallography (XRF) method. The publication's authors showed that the sediment consists mainly of sand, clay, and silt particles with grain sizes ranging from 0.001 mm to 1 mm. Silica (53.78%), alumina (23.58%), calcium oxide (8.28%), iron (III) oxide (5.61%), and potassium oxide (2.36%) represent the main chemical constituents present in the sediment. The authors characterized the sediment in terms of the content of biogenic compounds: various forms of phosphorus and nitrogen, organic compounds – determined as total organic carbon (TOC), selected metals, and the content of individual elements (carbon, hydrogen, oxygen, nitrogen, sulfur). In addition, the sludge samples were also characterized in terms of calorific value, ash content, water content, and heat of combustion. Discharging WTP sludge into rivers, ponds, and lakes or storing dewatered sludge is an environmentally unfriendly form of disposal for this type of waste. The authors see the possibility of conducting further research on using WTP sludge in wastewater treatment, removing heavy metals from aqueous solutions, producing cement and construction materials, and recovering or recycling.

Place of publishing:

Koszalin

Publisher:

Politechnika Koszalińska

Identifier:

oai:dlibra.tu.koszalin.pl:2129

Language:

eng

Is part of:

Rocznik Ochrona Środowiska. Vol. 26, s. 479-492

Rights:

Biblioteka Politechniki Koszalińskiej

Access rights:

internet

License:

Creative Commons BY-SA 4.0

Exlibris

Subject and keywords:

coagulation sludge water treatment sludge metals in sludge X-ray crystallography

Object collections:

Last modified:

May 20, 2026

In our library since:

May 20, 2026

Number of object content hits:

4

All available object's versions:

https://dlibra.tu.koszalin.pl/publication/2139

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Edition name Date
2024, Ciuła, Józef, Analysis of the physical and chemical composition of sludge from the water treatment plant May 20, 2026

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