The State of Louisiana faces severe soil erosion along its coastlines. Coastal protection structures most commonly are made of limestone and concrete. However, in …
WhatsApp: +86 18221755073Activation of fluorogypsum for building materials M Singh* and M Gar g Central Building Research Institute, Roorkee 247 667, India Received 08 July 2008; revised 20 November 2008; …
WhatsApp: +86 18221755073Fluorogypsum Because fluorogypsum is the only sulfate waste that dehydrates to form a solid instead of remaining a slurry or sludge, it has somewhat unique properties or characteristics, …
WhatsApp: +86 18221755073fluorogypsum received from South Africa and ordinary Po rtland cement. The SSC was eval uated for its physical, c hemical a nd mechanical properties as per I S: 6909: 1990 [26].
WhatsApp: +86 18221755073Calcium sulfate-based binders are a special kind of alternative cements that can promote sustainability in construction. The starting materials are fully or partially dehydrated …
WhatsApp: +86 18221755073Download Table | Chemical composition of fluorogypsum from publication: Formulation of Sulphate Resistant Super Sulphated Cement Using Fluorogypsum and Granulated Blast Furnace Slag | Present ...
WhatsApp: +86 18221755073Fluorogypsum, fly ash, Portland cement, and alum were blended. The mixture was ground in a ball mill to a fineness similar to that of Portland cement. The mortars were mixed …
WhatsApp: +86 18221755073A process, and the product produced thereby, for the preparation of a waste solidification material from hardened fluorogypsum as a by-product of the manufacture of hydrofluoric acid by …
WhatsApp: +86 18221755073Fluorogypsum (FG) is a by-product of the production of hydrofluoric acid and mainly consists of anhydrite. Flue-gas desulfurization (FGD) gypsum is the waste produced during the flue-gas desulfurization process in …
WhatsApp: +86 18221755073In the hydration process, it was observed that a low fluorogypsum content slightly accelerated the cement reactions, while the rubber-tire-powder inhibited them. Regarding the …
WhatsApp: +86 18221755073A composition with 62% pH-adjusted fluorogypsum, 35% fly ash, and 3% Portland cement was selected based on strength and volumetric expansion properties to conduct …
WhatsApp: +86 18221755073A composite binder of high strength and low water absorption has been developed using industrial by-products fluorogypsum, granulated blast furnace slag and Portland …
WhatsApp: +86 18221755073This article presents results of a research on changes in energy parameters of fluorogypsum composition of normal consistency with introduction of various additives (μΔn) …
WhatsApp: +86 18221755073In this study, we conducted unconfined compressive strength tests to investigate the mechanical behavior of kaolinite, which represented clay in soft ground, at different FG …
WhatsApp: +86 18221755073gypsum are flue-gas desulfurization (FGD) gypsum, fluorogypsum, citrogypsum, phosphogypsum, and titanogypsum. The standard process of limestone scrubbing of the stacks on coal-fired …
WhatsApp: +86 18221755073This paper investigates the mechanical properties under laboratory and field conditions of a concretelike blend made of fluorogypsum (FG), fly ash, and portland cement for …
WhatsApp: +86 18221755073Fluorogypsum (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 …
WhatsApp: +86 18221755073In this paper, the physicochemical properties and hydration mechanism of cement-free binders developed from fluorogypsum has been discussed. The results showed maximum …
WhatsApp: +86 18221755073Given the issues related to poor hydration activity, long setting time and low early strength of industrial by-product fluorogypsum (FG), the composite modifiers (Na 2 SO 4 and …
WhatsApp: +86 18221755073Fluorogypsum is a by-product of hydrofluoric acid production. China discharges approximately 1 million t of fluorogypsum every year, and the accumulation of fluorogypsum …
WhatsApp: +86 18221755073Fluorogypsum, a by-product of hydrofluoric acid manufacturing; Phosphogypsum, a by-product of phosphoric acid manufacturing; Titanogypsum, a by-product of titanium dioxide manufacturing. …
WhatsApp: +86 18221755073This 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 construction applications …
WhatsApp: +86 18221755073This research aims to develop a concrete-like material for underwater construction applications by using fluorogypsum (FG, an industrial by-product of hydrofluoric acid production), class C fly …
WhatsApp: +86 18221755073fluorogypsum, 15-50% ordinary Portland cement, and 0-5% fly ash achieved a strength of 32 MPa after 180 days. Additionally, mixtures of 75% fluoro gypsum with blast furnace slag and …
WhatsApp: +86 18221755073Under the old parish Police Jury, parish officials used two kinds of locally produced industrial by-products as road base: fluorogypsum, marketed at one time as Florolite, and …
WhatsApp: +86 18221755073The use of man-made fluorogypsum instead of natural gypsum or other traditional materials allows one to reduce raw material costs. Waste fluorogypsum is often obtained in the process of industrial production and can …
WhatsApp: +86 18221755073Fluorogypsum (FG) is a byproduct of hydrofluoric acid production. In China, production of one ton of HF can produce four to five tons fluorogypsum. Over 400 million tons …
WhatsApp: +86 18221755073Fluoropgypsum alone could still cause a substantial promotion effect on the hydration rate of aluminate cement. This study investigated the influence of fluorogypsum and …
WhatsApp: +86 18221755073Fluorogypsum and phosphogypsum are sulfate-rich by-products generated during the production of hydrofluoric and phosphoric acid, respectively. Fluorogypsum. Fluorogypsum …
WhatsApp: +86 18221755073The mechanism of activator to fluorgypsum and the fluorine solidification were investigated by the performances of composite binding material. Through the setting time …
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