Hydration of alinite cement produced from soda waste sludge
CONSTRUCTION AND BUILDING MATERIALS, cilt.164, ss.178-184, 2018 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 164
- Basım Tarihi: 2018
- Doi Numarası: 10.1016/j.conbuildmat.2017.12.196
- Dergi Adı: CONSTRUCTION AND BUILDING MATERIALS
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Sayfa Sayıları: ss.178-184
- Anahtar Kelimeler: Alinite cement, Soda waste sludge, Low-energy cement, Hydration, INCINERATION FLY-ASH
- Orta Doğu Teknik Üniversitesi Adresli: Evet
Özet
Alinite cement is an alternative inorganic, low-energy binding material. This experimental study investigated hydration characteristics of alinite cement which was produced by using soda waste sludge as a raw material. Paste microstructures were studied by X-ray powder diffraction and scanning electron microscopy. Heat of hydration and compressive strength values were also determined. Formation of C-S-H gel and calcium chloroaluminate hydrates which resemble Friedel's salt was observed. Induction period of alinite cement was around 15-20 min and unlike Portland cement, hydration did not practically stop during this period. Up to 12% gypsum addition to alinite cement resulted in increased compressive strength. (C) 2017 Elsevier Ltd. All rights reserved.