MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Calcite required for repairing fluorogypsum
Comparative study on modifications of pHadjusted
2023年5月2日 The modification of fluorogypsum by K 2 CO 3 and KHCO 3 essentially affected the nucleation rate and crystal growth rate of dihydrate gypsum The hydration of only fluorogypsum was always maintained at low supersaturation, and the low rate of nucleation 2024年5月15日 Garg and Pundir (2016) found that the composite modifier consisting of 1 % sodium sulfate (Na 2 SO 4) and 05 % anhydrous calcium chloride effectively facilitated the Study on activation of fluorogypsum by sodium sulfate and 2024年3月18日 针对工业副产氟石膏（FG）水化活性差、凝结时间长、早期强度低等问题，采用复合改性剂（NaSO和NaNO）来提高其反应活性。 该机制的研究涉及利用现代分析方法，包 硫酸钠和亚硝酸钠活化氟石膏的研究,Science of the Total 2018年2月28日 This study investigates the mechanical and durability properties of blends made of fluorogypsum (FG) with the pH adjusted by using controlled amounts of circulating fluidized Use of slurry fluorogypsum (FG) with controlled pH
Chemical composition of fluorogypsum
In this paper, microbial induced calcite precipitation (MICP) was adopted as a modifying technology for surface property enhancement of supersulfated cement (SSC) containing phosphogypsum (PG)2011年11月10日 Through the setting time testing of fluorgypsum with NaOH, Na 2 SO 4 and NaF, the least activator dosage were all 1% And the cementitious material over 80% of The activation of fluorgypsum with slag activator and the 2017年8月29日 To exploit and use fluorgypsum as a substitute for natural gypsum reasonably and efficiently can not only save the resources of natural gypsum and lower the cost of Modification of waste fluorgypsum and its applications 2023年5月1日 The influence of various water soluble cations (K+, Na+, Ca2+, Mg2+) on the hydration of calcined flue gas desulphurization gypsum was investigated The results show Comparative study on modifications of pHadjusted fluorogypsum
Modification of fluorgypsum as cement retarder Semantic
2007年12月1日 Experimental results indicate that hydration ratio the modified fluorgypsum through adding compound additive for 14d is about 70% The modified fluorgypsum as cement 2009年2月1日 Waterresistant binding materials can be produced from phosphogypsum, slag, cement, fly ash and lime sludge Impurities (fluoride) present in FG may interfere with setting Activation of fluorogypsum for building materials Semantic Fluorogypsum Fluorogypsum is generated at the EI DuPont De Nemours Com pany, Inc, HF Plant in LaPorte, Texas The material is initially pro duced in the anhydrite form (CaS04) However, after neutralization with a lime slurry, the fluorogypsum will be converted primarily to the dihydrate form EXPERIMENTAL INVESTIGATIONEnvironmental Characteristics of ByProduct Gypsum2023年5月2日 Fluorogypsum is the waste residue produced by using fluorite to produce fluorine chemical products in the industry (PDF#21–0816), syngenite(PDF#28–0739), calcite(PDF#05–0586) and fluorite(PDF#35–0816) The R wp and R p values are 1064% and 676%, respectively The bottom line is difference between experimental and calculated parative study on modifications of pHadjusted fluorogypsum
Study on the proportion of paste filling materials based on fluorogypsum
2023年6月8日 The effects of five factors, including gangue, fly ash, fluorogypsum, lime content, and mass concentration on the physical and mechanical properties of filling material were also examined2009年2月1日 Introduction Fluorogypsum (FG), a waste of hydrofluoric acid industry, has been studied for use as building material Waterresistant binding materials can be produced from phosphogypsum, slag, cement, fly ash and lime sludge Impurities (fluoride) present in FG may interfere with setting and strength development of plaster/ building components This paper Activation of fluorogypsum for building materials Semantic 2017年9月11日 FLUOROGYPSUM is also known as anhydrous calcium sulphate USES FLUOROGYPSUM can advantageously replace traditional cement as a binder for screed mortars It is widely used in floor screen applications because of its numerous advantages: better fluidity for selflevelling, greater dimensional stability, high mechanical strength and outstanding Fluorogypsum full data sheet With Tank2013年8月1日 The characterization of ground granulated blast furnace slag, fluorogypsum anhydrite and cement clinker used for formulating the supersulphated cement (SSC) is discussedFluorogypsum activated supersulphated cement
(PDF) Effects of Fluorogypsum and FlueGas ResearchGate
2021年11月27日 Science and Engineering, Henan Polytechnic University, Jiaozuo , China; * Correspondence: ; T el: +861827年6月8日 A new type of paste filling material was created using fluorogypsum, a byproduct of hydrofluoric acid, as the raw material to address the issue of the filling material’s high cost The effects of five factors, including gangue, fly ash, fluorogypsum, lime content, and mass concentration on the physical and mechanical properties of filling material were also Study on the proportion of paste filling materials based on fluorogypsum2014年1月31日 Fluorogypsum (FG), an acidic byproduct (pH = 23) generated by the industrial manufacturing of hydrofluoric acid (Chesner et al 1998), is commonly stockpiled after addition of alkali materials Investigation of properties of fluorogypsumslag composite 2020年8月1日 However, some studies have demonstrated that fluorogypsum has a higher potential activity compared to natural anhydrite [4] In recent years, numerous scholars have effectively stimulated the On thermal effects of early structure formation of fluorogypsum
SVXP FRPSRVLWHELQGHU ResearchGate
fluorogypsum binder – water (Fig 2), fluorogypsum binder – construction gypsum – water (Fig 3) and fluorogypsum binder – sodium sulfate – water (Figure 4) The first intensive heat 2021年6月1日 In the hydration process, it was observed that a low fluorogypsum content slightly accelerated the cement reactions, while the rubbertirepowder inhibited them Regarding the cementrubber mixture, the cementrubberfluorogypsum mixture had a recovery of 283 % in the compressive strength and 360 % in the modulus of elasticitySynergistic effects of rubbertirepowder and fluorogypsum calcite treatment is muc h cheaper with regard to the required system for preparation and dosage of the lime suspensions [ 3 , 6 ] In a calcite contactor, water flo ws through a bed of calcite (PDF) Remineralization of permeate water by 2022年3月28日 Fluorogypsum is an industrial waste from the production of hydrofluoric acid, and its main component is anhydrous gypsum with very slow hydration, inducing its application only as plastering mortar [23] or cement retarder [24]Our group has reported the research work on the fluorogypsum which was employed as cement retarder [24]The storage of the by Microstructure and performances of sludge soil stabilized by
Effect of Polycarboxylate Admixture on the Performance of Fluorogypsum
2023年11月29日 The study explores the influence of polycarboxylate admixture (PCE) on fluorogypsumbased selfleveling material (FSLM) performance Wev conducted an array of tests to assess workability and 2018年9月10日 This paper develops a new lowcost construction material made of pHadjusted fluorogypsum, class C fly ash, and type II Portland cement The proposed fluorogypsumbased blend is durable in water Development of new pHadjusted fluorogypsumcementfly 2000年2月1日 Yan et al studied systems of 3150% fluorogypsum, 1220% OPC and 3457% pulverised fly ash (PFA) and accomplished the limit of fluorogypsum content below 40% which is lower than that of PFA in Cementitious binder derived with fluorogypsum and low2016年11月30日 Fluorogypsum (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 of fluorogypsum have been generated by 2010 Most of the generated fluorogypsum is transported to waste dumps stacks requiring large amounts of land and harming the environmentMechanical properties and hydration mechanisms of high
Durability and In Situ Performance Evaluation of Sustainable Recycled
2018年8月2日 Fluorogypsum is a waste byproduct of hydrofluoric acid industry, available to an extent of 1 million ton per annum Basically, it is an anhydrite form of gypsum, which is chemically inert The required water for a normal consistency and setting times of the binders are assessed in accordance with BIS specifications IS 40312018年9月1日 The sulfate release from solidified/stabilized fluorogypsum was measured to develop the effective diffusion coefficients (De) as a parameter to assess the dissolution potential in aquatic Estimating Sulfate Effective Diffusion Coefficients of 2018年9月10日 A composition with 62% pHadjusted fluorogypsum, 35% fly ash, and 3% Portland cement was selected based on strength and volumetric expansion properties to conduct additional experimental studies to quantify its modulus of elasticity, Poisson’s ratio, setting times, density, void contents, and curing time effects on strength and volumetric Development of new pHadjusted fluorogypsumcementfly 2023年4月28日 After exposure to high temperatures, the mechanical properties and durability of concrete structures are significantly reduced, and effective measures must be taken for reinforcement and repair Hightemperature Regulation of Calcium Source and Addition
UGMat Sulfate Wastes Recycled Materials Resource Center
One test section contained 75 percent coarse fluorogypsum sulfate, while the other three contained from 30 to 65 percent fine fluorogypsum The 28day compressive strengths of laboratory test mixes from each of these four test sections ranged from 5090 kPa (738 lb/in 2 ) to 7625 kPa (1,105 lb/in 2 )2021年5月1日 Microbiallyinduced calcite precipitation (MICP) is a promising technique to improve the engineering properties of soft soil in a sustainable, environmentally friendly, and energy saving mannerEfficiency of microbiallyinduced calcite precipitation in 2024年5月15日 A method for activating hydration activity of industrial byproduct fluorogypsum was designed To avoid corrosion of the grinding medium, acid neutralization is required (Garg and Pundir, 2014) Therefore, Setting time Appropriate setting time is conductive to construction (Pian et al, 2022; Wei et al, 2021) As illustrated in Fig 3 Study on activation of fluorogypsum by sodium sulfate and 2014年5月15日 The document summarizes research on activating fluorogypsum, a waste product from the hydrofluoric acid industry, for use in building materials Key findings include: 1) Blending fluorogypsum with calcium hydroxide and chemical activators followed by grinding produced a plaster with low water absorption, high compressive strength, and suitability for Activation of Fluorogypsum For Building Materials: M Singh
Mechanical Properties and Performance under Laboratory
2020年7月1日 DOI: 101061/(asce)mt19435533 Corpus ID: ; Mechanical Properties and Performance under Laboratory and Field Conditions of a Lightweight FluorogypsumBased Blend for Economic ArtificialReef ConstructionXuemao GUAN Cited by 1,923 of Henan Polytechnic University, Henan’an (HPU) Read 100 publications Contact Xuemao GUANXuemao GUAN Henan Polytechnic University, Henan’an HPU 2023年11月29日 The study explores the influence of polycarboxylate admixture (PCE) on fluorogypsumbased selfleveling material (FSLM) performance Wev conducted an array of tests to assess workability and mechanical properties, and utilized XRD, TGDSC, SEM, and MIP techniques for microscopic analysis The fresh state results showed that PCE enables FSLM Effect of Polycarboxylate Admixture on the Performance of Fluorogypsum 2024年2月9日 This paper has presented a mini review of previously published articles dealing with biocement production using enzymeinduced calcite precipitation (EICP) technique EICP is a biological, sustainable, and natural way of producing calcite without the direct involvement of microorganisms from urea and calcium chloride using urease enzyme in waterbased solution A mini review of enzymeinduced calcite precipitation (EICP)
Environmental Characteristics of ByProduct Gypsum
Fluorogypsum Fluorogypsum is generated at the EI DuPont De Nemours Com pany, Inc, HF Plant in LaPorte, Texas The material is initially pro duced in the anhydrite form (CaS04) However, after neutralization with a lime slurry, the fluorogypsum will be converted primarily to the dihydrate form EXPERIMENTAL INVESTIGATION2023年5月2日 Fluorogypsum is the waste residue produced by using fluorite to produce fluorine chemical products in the industry (PDF#21–0816), syngenite(PDF#28–0739), calcite(PDF#05–0586) and fluorite(PDF#35–0816) The R wp and R p values are 1064% and 676%, respectively The bottom line is difference between experimental and calculated parative study on modifications of pHadjusted fluorogypsum 2023年6月8日 The effects of five factors, including gangue, fly ash, fluorogypsum, lime content, and mass concentration on the physical and mechanical properties of filling material were also examinedStudy on the proportion of paste filling materials based on fluorogypsum2009年2月1日 Introduction Fluorogypsum (FG), a waste of hydrofluoric acid industry, has been studied for use as building material Waterresistant binding materials can be produced from phosphogypsum, slag, cement, fly ash and lime sludge Impurities (fluoride) present in FG may interfere with setting and strength development of plaster/ building components This paper Activation of fluorogypsum for building materials Semantic
Fluorogypsum full data sheet With Tank
2017年9月11日 FLUOROGYPSUM is also known as anhydrous calcium sulphate USES FLUOROGYPSUM can advantageously replace traditional cement as a binder for screed mortars It is widely used in floor screen applications because of its numerous advantages: better fluidity for selflevelling, greater dimensional stability, high mechanical strength and outstanding 2013年8月1日 The characterization of ground granulated blast furnace slag, fluorogypsum anhydrite and cement clinker used for formulating the supersulphated cement (SSC) is discussedFluorogypsum activated supersulphated cement2021年11月27日 Science and Engineering, Henan Polytechnic University, Jiaozuo , China; * Correspondence: ; T el: +8618272732988(PDF) Effects of Fluorogypsum and FlueGas ResearchGate2023年6月8日 A new type of paste filling material was created using fluorogypsum, a byproduct of hydrofluoric acid, as the raw material to address the issue of the filling material’s high cost The effects of five factors, including gangue, fly ash, fluorogypsum, lime content, and mass concentration on the physical and mechanical properties of filling material were also Study on the proportion of paste filling materials based on fluorogypsum
Investigation of properties of fluorogypsumslag composite
2014年1月31日 Fluorogypsum (FG), an acidic byproduct (pH = 23) generated by the industrial manufacturing of hydrofluoric acid (Chesner et al 1998), is commonly stockpiled after addition of alkali materials 2020年8月1日 However, some studies have demonstrated that fluorogypsum has a higher potential activity compared to natural anhydrite [4] In recent years, numerous scholars have effectively stimulated the On thermal effects of early structure formation of fluorogypsum