Desulfurized Gypsum Test
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- Desulfurized Gypsum Test
Citric acid, sodium gluconate, and sodium tripolyphosphate were used to design and prepare a desulfurized gypsum paste containing single or combined retarders. The effects of the retarder type and content on the setting inhibition and mechanical properties of desulfurized gypsum were evaluated.
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Desulfurized gypsum is an industrial by-product gypsum obtained after flue gas desulfurization in coal-fired or oil-fired power plants [1]. Its main components and physical and chemical properties are basically the same as natural gypsum, with higher purity and smaller particle size.
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Three batches of desulfurized gypsum with different chloride ion content were used to prepare gypsum board. According to JC/T 2074-2011 "Flue Gas Desulfurization Gypsum", the chlo ride...
WhatsApp: +86 18221755073
Basalt fiber (BF) and polyvinyl alcohol fiber (PVAF) were mixed into desulfurized gypsum-based composite cementitious material (DGCCM) to prepare hybrid fiber-reinforced DGCCM. The mechanical properties, water resistance, and durability of DGCCM were …
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Desulfurization-gypsum-based composite cementitious materials were prepared by adding certain proportions of sulfoaluminate cement, mineral powder quick lime, retarder, and water reducer into the original desulfurization gypsum and semi-hydrated desulfurization gypsum.
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In the process of preparing the gypsum board of the four types of desulfurized gypsum samples in Table 1, the porous mineral materials of 1% and 3% of the desulfurized gypsum were added...
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Basalt fiber (BF) and polyvinyl alcohol fiber (PVAF) were mixed into desulfurized gypsum-based composite cementitious material (DGCCM) to prepare hybrid fiber-reinforced DGCCM. The mechanical properties, water resistance, and durability of DGCCM were measured using experimental tests and studied using visual, range, variance, and microstructure ...
WhatsApp: +86 18221755073
Desulfurization-gypsum-based composite cementitious materials were prepared by adding certain proportions of sulfoaluminate cement, mineral powder quick lime, retarder, and water reducer into the original desulfurization gypsum and semi-hydrated desulfurization gypsum.
WhatsApp: +86 18221755073
In this study, dimethyl silicone oil and liquid paraffin were combined and subsequently emulsified; the resulting mixture was innovatively incorporated into desulfurized gypsum to resolve its drawback of a poor water resistance .
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... desulfurization gypsum raw material was tested according to TC/T2074-2011 "Fume Desulfurization Gypsum", and the chloride ion content was 235.66ppm.
WhatsApp: +86 18221755073
The ultra-high addition of 20 % desulfurized gypsum is beneficial to improve the strength of DG-based binary cementitious materials with low energy consumption. The increased strength of DG-based binary cementitious materials is due to the formation of C-S-H C-A-S-H, …
WhatsApp: +86 18221755073
Three batches of desulfurized gypsum with different chloride ion content were used to prepare gypsum board. According to JC/T 2074-2011 "Flue Gas Desulfurization Gypsum", the chlo ride...
WhatsApp: +86 18221755073
Desulfurized gypsum is an industrial by-product gypsum obtained after flue gas desulfurization in coal-fired or oil-fired power plants [1]. Its main components and physical and chemical properties are basically the same as natural gypsum, with higher purity and smaller particle size.
WhatsApp: +86 18221755073
When preparing plastering gypsum, it can be found that different gypsum raw materials, different calcination conditions, different finenesses, and different water-gypsum ratios will all affect the stability of the product.
WhatsApp: +86 18221755073
Citric acid, sodium gluconate, and sodium tripolyphosphate were used to design and prepare a desulfurized gypsum paste containing single or combined retarders. The effects of the retarder type and content on the setting inhibition and mechanical properties of desulfurized …
WhatsApp: +86 18221755073
The ultra-high addition of 20 % desulfurized gypsum is beneficial to improve the strength of DG-based binary cementitious materials with low energy consumption. The increased strength of DG-based binary cementitious materials is due to …
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