Akademik Veri Yönetim Sistemi
Geopolymeric Composites Congress, (GEC-2021), Erzurum, Türkiye, 29 - 30 Aralık 2021, cilt.1, ss.49-60
Since limestone is a
raw material that is easily and abundantly found in nature, it can also be used
in the sugar industry at different stages in the production process. Limestone
supplied from the market contains at least 95% CaCO3. In sugar process;
limestone, together with coke, is loaded from the top into the cylindrical lime
kiln and taken as lime from the bottom of the lime kiln after approximately 36
hours. The resulting lime is quenched with hot water, filtered and used in the
production of juice. Hydratic lime is obtained in the consistency of limewash.
Raw juice at a certain temperature obtained from beet and lime are mixed in
apparatus. Precipitation is provided with colloidal substances in the raw
juice. Excess lime added to the juice is removed from the juice with CO2 in the
carbonation (saturation) boilers. The mud part of the muddy juice taken from
here is precipitated in decanters. The settled muddy part is filtered with the
help of press filters. The soil containing approximately 70%-80% dry matter
coming out of the press filters is called “Press Filter Waste (PFW)”. In this
study, the waste material called Press Filter Waste (PFW) was used in different
proportions together with fly ash and their effects on the mortar properties
were investigated. For this purpose, a control mortar was prepared in
laboratory condition according to the standards. While the other test mortar
samples were being prepared, the binder ratio was kept constant and fly ash
(FA) and PFW was used in different ratio. The effects of different ratio at
different curing conditions of PFW and FA in the mortars on the properties of
hardened mortar; hardened unit weight, ultrasound pulse velocity and
compressive strength, were evaluated.