The action of alkalis on blast furnace slag
WebGround granulated blast furnace slag is a cementitious material. ... Ground granulated blast furnace slag undergoes hydraulic action with calcium hydroxide liberated by Portland cement on hydration. ... Calcium hydroxide is consumed by binding alkalis in its hydration products. Percentage use in concrete : 15-30% of cement : Web2 days ago · A typical precursor is ground granulated blast furnace slag (GGBS), an industrial byproduct. Alkali-activated slag (AAS) cement has been the most widely studied low carbon cement system in recent years [14], with the main reaction product being C-A-S-H type gel [15, 16] and no free Ca(OH) 2 present [14].
The action of alkalis on blast furnace slag
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WebSep 30, 2014 · Purdon, A. (1940) The action of alkalis on blast furnace slag. Journal of ... J.G.; Gil-Maroto, A.; Vázquez, T.; Puertas, F. (2012). Mechanical behaviour of alkali … WebThis research aims to synthesize precipitated calcium carbonate (PCC) on a plant scale as the main product by utilizing steel slag and blast furnace gas (BFG) waste from PT …
WebSlag is a by-product of smelting (pyrometallurgical) ores and used metals. Broadly, it can be classified as ferrous (by-products of processing iron and steel), ferroalloy (by-product of … WebApr 20, 2024 · Although there is a large amount of published research within the latter geopolymers, there is a lack of studies related to alkaline-activated calcium-rich binders, …
WebMay 20, 2016 · In recent years, the utilization of different non-traditional cements and composites has been increasing. Alkali-activated cementitious materials, especially those … WebThe fresh and rheological properties of alkali mortars activated by blast furnace slag (BFS) were investigated. Consistency tests, squeeze flow, dropping ball, mass density in the hardened state, incorporated air, and water retention were performed. Mortars were produced with the ratio 1:2:0.45 (binder:sand:water), using not only ordinary ...
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WebJan 22, 2010 · The average monthly alkali balances for a 3200-m3 blast furnace are used to evaluate the effect of the furnace’s intake of alkalis on its performance indices. A method … cg khanij portalWebJul 1, 2012 · Many new cements have been developed, but one of the most promising is made from granulated blast furnace slag (GBFS) activated by a high-pH solution. Purdon … cgk gravenzandeWebDifferent amounts of granulated blast furnace slag (3,6,9,12%) were used to stabilise the soft soil and the performance was evaluated using physical and strength performance … cg khanij online portalWebJan 12, 2024 · ABSTRACT Alkali metal circulation enrichment occurs in blast furnaces, which is harmful to the blast furnace. The amount of enrichment helps to quantify the effect of alkali metals on blast furnace production, but it is not possible to directly measure the actual alkali metal enrichment in blast furnaces for technical reasons. On the basis of a … cg kilometre saati dijitalWeb1. A. Purdon, ^The action of alkalis on blast furnace slag _, J Soc Chem Ind, 59 191-202 (1940). 2. C. Shi, A. Fernández-Jiménez, A. Palomo, ^New cements for the 21st ... E.N. … cg ki janjatiWebSecondary actions. Search Journals Articles ... This study investigated the effects of magnesium salts and alkaline solutions on the microstructure and properties of ground … cgkljWebDec 20, 2004 · Pastes of blast-furnace slag were cured for up to 90 d using sodium silicate (waterglass), NaOH, and three different mixtures of Na 2 CO 3 –Na 2 SO 4 –Ca(OH) 2 to activate reactions. The highest slag reactivity was observed for NaOH activation and the least for waterglass, although nonevaporable water indicated similar amounts of … cgk kmj