In India about 4.0 million tonnes of fluorogypsum, a cardinal waste material of the hydrofluoric acid industry, is produced per annum and poses the problem of disposal and pollution hazards as it sets too slowly to form any useful building materials, thus creating an environmental nuisance. The literature survey revealed that not much work …
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In addition, CO 3 2ions were more likely to combine with Ca 2+ ions to form precipitates, thus increasing the dissolution rate of fluorogypsum and increasing the early exothermic rate of hydration ...
This article presents results of a research on changes in energy parameters of fluorogypsum composition of normal consistency with introduction of various additives (μΔn) such as sodium sulfate and sodium sulfite. Activity of binder in interaction with water was defined as the sum of thermal effect of hydration and thermal effect of ...
The industrial waste fluorogypsum (FG), which has adverse effects on people and the environment, is composed of calcium sulfate (CaSO ... early strength agent, and water reducing agent as additives together formed the raw mate-rial of the new FG-based paste filling material. Meanwhile, FG was replaced by sulfoaluminate cement and ...
1. Introduction. The limestone–gypsum wet desulfurization process is currently the most mature and widely used flue gas desulfurization technology for coal …
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Fluorogypsum (FG), a by-product obtained during the production of hydrofluoric acid, satisfies these conditions, as it is capable of binding granular materials. Approximately 894,000 metric tons are annually produced in the U.S. However, data on the mechanical strength of clay–FG mixtures are unavailable. In this study, we conducted ...
Gypsum is also available from industrial by-product in the form of flue gas de-sulphurization gypsum (FGDG), phosphogypsum, fluorogypsum, sodium sulfate and red gypsum [160] [161][162][163][164 ...
In India about 4.0 million tonnes of fluorogypsum, a cardinal waste material of the hydrofluoric acid industry, is produced per annum and poses the problem of disposal and pollution hazards 228 M. Garg, A. Pundir / …
Fluorogypsum (FG) is a by-product of the production of hydrofluoric acid and mainly consists of anhydrite. Flue-gas desulfurization (FGD) gypsum is the waste …
Fluorogypsum is a coproduct of the production of hydrogen flu oride (HF). In the process, fluorspar (caleium fluoride) reacts with condensing sulfuric acid (H2S04) to form HF gas and calcium sul fate. The reacted fluorspar leaves the reactor as solid calcium sul fate …
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Fluorogypsum is an industrial waste from the production of hydrofluoric acid, and its main component is anhydrous gypsum with very slow hydration, inducing its …
DOI: 10.1016/j.jmrt.2023.09.005 Corpus ID: 261668955; Effects of 1,2,3-Propanetricarboxylic Acid on the hydration and microstructure of fluorogypsum @article{Zhu2023EffectsO1, title={Effects of 1,2,3-Propanetricarboxylic Acid on the hydration and microstructure of fluorogypsum}, author={Jianping Zhu and Zuolin Wang …
Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 220,736,361 papers from all fields of science ..., title={Mechanical properties and hydration mechanisms of high-strength fluorogypsum-blast furnace slag-based hydraulic cementitious binder}, author={Xuquan Huang and Jiang Mingming and …
This study focuses on the effect of Na 2 SO 4 and NaNO 2 on the modification of fluorogypsum, and the performance of the modified fluorogypsum in …
Fluorogypsum (FG), a by-product obtained during the production of hydrofluoric acid, satisfies these conditions, as it is capable of binding granular materials.
This article presents results of a research on changes in energy parameters of fluorogypsum composition of normal consistency with introduction of various …
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Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, China; [email protected] * Correspondence: [email protected]; T el.: +86-1827-2732-988
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Heavy metals in flue gas desulfurization (FGD) gypsum from coal-fired power plants are at risk of releaching during the processes of stockpiling and resource utilization. In this study, the effects of organosulfur chelators dithiocarbamate (DTC) and trisodium trithiocyanate-15 (TMT-15) on the solidification characteristics of heavy metals in …
The sulfate source could be obtained in anhydrite form(CaSO 4 ) or dihydrate form (CaSO 4 Á2H 2 O).
DOI: 10.1016/j.cscm.2020.e00471 Corpus ID: 230572878; Synergistic effects of rubber-tire-powder and fluorogypsum in cement-based composite @article{RodrguezR2021SynergisticEO, title={Synergistic effects of rubber-tire-powder and fluorogypsum in cement-based composite}, author={Sandra L. Rodr{'i}guez R. and O. …
The characterization of ground granulated blast furnace slag, fluorogypsum anhydrite and cement clinker used for formulating the super-sulphated cement (SSC) is discussed.
Titanium is a local Omani SME company. Our HQ is located in Muscat, Oman and our workshop is located in Nizwa. We strive to deliver to our customers the highest quality equipment to enable performance and …