Sustainable Approach for Recycling Medical Waste Needles to Partially Replace Aggregate in Lightweight Concrete Production

• Autorzy: Hamada Lubna K. , Ismail Zainab Z.

Identyfikatory

DOI

10.12913/22998624/131557

• Języki publikacji: EN

Abstrakty

EN

The generation of sharp waste from the activities of health care facilities is unavoidable. Waste needles are considered one of the most problematic issues in health facilities. This study involved an experimental investigation of reusing waste needles (WNs) in concrete mixes to partially replace the natural fine aggregate at 0%, 2%, 4%, 6%, 8% and 10% by weight. The mechanical and physical properties of the WNs-concrete mixes have been studied and compared to conventional concrete mix. The workability test, fresh and hard densities, compressive and flexural strengths, water absorption, and leaching test were carried. The curing ages considered for the concrete mixes were 7, 14, and 28 days. The results revealed that the WNs-concrete mixes exhibited improved flexural strength and workability, decreased water absorption capacity and improved durability. The compressive strength values of WNs-concrete mixes gradually decreased, but they were higher than the targeted mean strength of M17 grade concrete.

Słowa kluczowe

EN

concrete; biomedical waste; reuse; waste needles; sustainability

PL

beton; odpady biomedyczne; ponowne użycie; igły do odpadów; rozwój zrównoważony

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2021
• Tom: Vol. 15, no 1
• Strony: 166--173
• Opis fizyczny: Bibliogr. 33 poz., fig., tab.

Twórcy

autor

Hamada Lubna K.

• Department of Environmental Engineering, University of Baghdad, Baghdad, Iraq

autor

Ismail Zainab Z.

• Department of Environmental Engineering, University of Baghdad, Baghdad, Iraq

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).