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Title: The Possibilities of Paper Sludge Waste (PSw) Utilization in Cement Materials
Authors: Banevičienė, Vilma
Malaiškienė, Jurgita
Vaičienė, Marija
Boris, Renata
Keywords: paper sludge waste
Issue Date: 2019
Publisher: MDPI
Citation: Banevičienė, V.; Malaiškienė, J.; Vaičienė, M.; Boris, R. The Possibilities of Paper Sludge Waste (PSw) Utilization in Cement Materials. Proceedings 2019, 16, 34.
Series/Report no.: 16;1
Abstract: The paper production is developed throughout the world, therefore, more paper sludge waste (PSw) is accumulating. The aim of this work was to determine the properties of PSw burned at 900 °C and its impact on physical–mechanical properties of cementitious matrix and evaluate its usage/utilization possibilities in cementitious materials. For the implementation of the aim, cement-based specimens were prepared and their –mechanical properties were determined. Specimens from five compositions were formed, with 2.5%, 5%, 7.5%, and 10% of the cement by weight replaced with PSw. When 5% of the cement was replaced with PSw, the compressive strength increased by approximately 7%, although density and ultrasound velocity slightly decreased (up to 1.5%). When 7.5% PSw was added, the compressive strength of the specimens decreased. To summarize, it can be stated that up to 5% PSw may be utilized/used for the preparation of cementitious mixtures. The usage of the waste allows environment conservation, reduced amount of cement in mixtures, and improvement of properties of cementitious materials.
Description: This article belongs to the Proceedings of Innovations-Sustainability-Modernity-Openness Conference (ISMO’19), Bialystok, Poland, 22–23 May 2019
ISSN: 2504-3900
Appears in Collections:Konferencijų straipsniai

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