DOI: 10.1016/j.conbuildmat.2024.137061 Corpus ID: 270530557; Properties and microstructure of soil solidified by titanium slag-flue gas desulfurized gypsum-Portland cement composites as solidifiers

Flue gas desulfurized gypsum (FGDG) is a waste material produced in the power stations during the flue gas desulfurization process. In China, a small amount of FGDG is used as cement additives or ...

DOI: 10.1016/j.conbuildmat.2023.133302 Corpus ID: 261794915; Synergistic effect of red mud, desulfurized gypsum and fly ash in cementitious materials: Mechanical performances and microstructure

The United States Desulfurized Gypsum Market size is reached a valuation of USD xx.x Billion in 2023, with projections to achieve USD xx.x Billion by 2031, demonstrating a compound annual growth ...

A monolayer adsorption capacity of 39.2 mg/g was reported with the use of gypsum. Even though the underlying mechanism was described as adsorption, a …

In order to explore the influence of the types of waste gypsum on the properties of alkali slag cement, fluorogypsum (FG) and flue-gas desulfurization (FGD) gypsum were comparatively investigated. Moreover, the action mechanisms of FG and FGD gypsum on the properties of alkali slag cement were analyzed. The results …

It would be expected that more mercury would be present in coal ash and desulfurized gypsum from the increased combustion of coal and the abundance of Hg removal facilities in Chinese coal-fired power plants, highlighting the increased emphasis on the removal of mercury from atmospheric emissions of coal- Fired power plants in …

Semidry desulfurization and wet desulfurization in a furnace are usually used in the circulating fluidized bed boiler in the power production of thermal power plants, and these two approaches lead to high calcium content in the fly ash and bottom slag of circulating fluidized beds and produce abundant flue-gas desulfurized (FGD) gypsum …

5. FGD gypsum can be partially substituted for cement to produce high-strength building materials, reducing the carbon footprint and building materials cost, thus contributing towards the circular economy. 6.The low bulk density of FGD gypsum …

Gypsum has been shown to reduce runoff on soils prone to crust formation in the southeastern United States. Increased infiltration from gypsum applications could …

Research on the method of improving the influence of chloride ion on the performance of desulfurized gypsum products [J]. New building materials. 2014, 11: 41-45.

In this sense, silage (SG) and flue gas desulfurized gypsum (FGDG) are two good choices as composting additives. SG is made from the roughage obtained by cutting corn, sorghum, and other forage crops and grass; the roughage is then subjected to anaerobic fermentation by lactic acid bacteria, which results in the generation of SG [19]. …

With 5% gypsum addition, the flexural strength of MOC pastes increased by 36%, the abrasion loss of MOC abrasive tools decreased by 35%, the strength softening coefficient greatly increased.

Two kinds of inorganic reinforcing materials, single Portland cement clinker, compound Portland cement clinker and mineral powder, were used to analyze the effects of desulfurized gypsum on the properties of desulfurized gypsum based cementation material. The results show that either single Portland cement clinker or compound …

DOI: 10.1016/j.conbuildmat.2023.131840 Corpus ID: 258997305; Effects of hybrid fibers on properties of desulfurized gypsum-based composite cementitious materials @article{Lv2023EffectsOH, title={Effects of hybrid fibers on properties of desulfurized gypsum-based composite cementitious materials}, author={Fangtao Lv …

DOI: 10.1016/j.jece.2023.109385 Corpus ID: 256291270; Silage and flue gas desulfurized gypsum as additives improve green waste composting @article{Yang2023SilageAF, title={Silage and flue gas desulfurized gypsum as additives improve green waste composting}, author={Wan Yang and Ze Yin and Lu Zhang}, journal={Journal of …

The long-term effects of FGD gypsum on soil physicochemical properties are reported for the first time. The beneficial effects of FGD gypsum on soil reclamation extended to the 20–60-cm …

The use of waste to capture CO 2 has been on the rise, to reduce costs and to improve the environmental footprint. Here, a flue gas desulfurization (FGD) gypsum …

DOI: 10.1016/j.jclepro.2020.124777 Corpus ID: 226335113; Preparation, characterization and application of red mud, fly ash and desulfurized gypsum based eco-friendly road base materials

Desulfurized building gypsum (DBG) has great application potential and can be used to produce lightweight plastering gypsum (LPG). In this work, DBG was modified by adding different proportions of ...

This material is known as FGD (flue gas desulfurized) gypsum and is being marketed as Gypsoil TM. Gypsum or calcium sulfate dihydrate (CaSO 4 ·2H 2 O) in its purest form has 23 % Ca and 18 % S, although most agricultural sources have slightly lower analyses. Calcium fertilization is unnecessary for field crops grown on Wisconsin …

Abstract. Flue gas desulfurization gypsum (FGDG) is an industrial by-product generated during the flue gas desulfurization process in coal-fired power plants. …

5. FGD gypsum can be partially substituted for cement to produce high-strength building materials, reducing the carbon footprint and building materials cost, thus contributing towards the circular economy. 6.The low bulk density of FGD gypsum enables its use in lightweight building materials with a higher degree of insulation for wall …

To investigate the macroscopic mechanical properties and failure evolution mechanism of desulfurization gypsum–fly ash fluid lightweight soil, a microscale numerical model using PFC2D (Particle Flow Code) was constructed. Uniaxial compression tests were conducted to determine the microscopic parameters of the model, extracting information …

With steel slag and desulfurized gypsum as main raw material,mixed appropriate amount slag and compound addition a little of activator,and based on orthogonal test,we explored the slag dosage,the proportion of the combined admixture activator and the desulfurized gypsum dosage impact on the performance of clinker-free cementing material,such as …

F lue gas desulfurization gypsum (FGDG) is a synthetic gypsum that is created during the removal of SO 2 from flue gas by reacting the SO 2 with calcite (CaCO 3) to form calcium sulfite (CaSO 3 …

Purpose In order to explore the possibility of using FGD gypsum in controlling P loss due to agricultural runoff, the effects of FGD gypsum on the P fraction …

The utilization of desulfurized building gypsum as raw material for gypsum-based self-leveling mortar (GSL) is limited by its low strength and poor water resistance. The objective of this study ...

As an auxiliary material or instead of natural gypsum, it can be widely used in concrete, walls, concrete, etc. It is the best way to use desulfurized gypsum in large …

Abstract. The past several years have witnessed great progress in utilization of industrial waste gypsum. Newly developed carbonation technology toward CaCO 3 …