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
Calcium carbide mud Xinsheng mechanical grinding
Preparation and Performance Assessment of Calcium Carbide Slag
2024年10月29日 In this study, different dosages of Calcium Carbide Slag (CCS) were used to modify Red Mud (RM), including partially replacing RM with blast furnace slag (GGBS) prior to 2023年5月1日 A low carbon geopolymer (RCFG) was developed from the 100% solid wastes including red mud (RM), calcium carbide slag (CS), GGBS and FA in this study The effect of Preparation and curing method of red mudcalcium carbide slag 2024年11月12日 Microstructural analysis confirms that the addition of carbide slag significantly optimizes the pore structure, promoting the formation of Ca(OH) 2 and CSH gel, which leads Investigation on the mechanical and microstructure properties of 2023年2月1日 In addition, the activator helps reduce the geopolymer curing time, making it more suitable for rapid prototyping applications By increasing the hydration of the material, sodium Preparation and curing method of red mudcalcium carbide slag
Study on the Properties and Hydration Mechanism of Calcium
2024年4月30日 In order to overcome the defects of traditional strong alkaline activators and realise the high valueadded use of calcium carbide residue (CCR), this paper adopts CCR as 2020年7月1日 In this study, granulated blastfurnace slag was treated by wet grinding to promote its reactivity (ie WGGBS), and carbide slag (CS), one kind of industrial wastes, was Utilization of carbide slaggranulated blast furnace slag system by 2023年10月1日 Sulfoaluminate cementmodified loess as bioretention cell filler for nutrient removal from stormwater runoff Red mudbased catalysts for the catalytic removal of Investigation of various curing methods on the properties of red 2022年10月3日 This research aims to investigate the durability of ground granulated blast furnace slag (S) and calcium carbide residue (CCR), two industrial byproducts, solidified Study on Compressive Strength and Microstructure of
Optimization of proportions and solidification mechanism of all
为了减少碳排放，消耗大量低质固体废物，利用循环流化床粉煤灰（CFBFA）、赤泥（RM）和电石渣的协同效应，开发了CFBFARMCS (CS)。 从宏观力学性能和微观实验 (包括XRD 2021年12月10日 In this study, carbide slag was used as the main material, bentonite was used as the Si/Al source, and Na 2 CO 3 was used as the activator to granulate the two kinds of Formation mechanism of carbide slag composite sustained 2010年11月1日 The utilization of calcium carbide residue and y ash as SCMs was intensively demonstrated by Makaratat et al [21], who suggested that a mixing ratio of calcium carbide residue to y ash of 30:70 Effects of Calcium Carbide ResidueFly Ash Binder on Mechanical 2022年10月24日 Preparation of calcium carbide slagactivated wetground fly ash based ecofriendly geopolymers • The wet grinding process is helpful for the refinement and predepolymerization of fly ash • Growth rate of compressive strength of wetground FA geopolymer is increased up to 3195% •Lowcarbon wetground fly ash geopolymer activated by single calcium
Investigation of various curing methods on the properties of red mud
2023年10月19日 Industrial solid wastes red mud and calcium carbide slag are used to prepare lightweight aggregate ceramsite by coldbonded pelletizing technology in this study The effects of mixing water and curing method on the physical properties of ceramsite were investigated, including natural curing (in air at 20 °C), sealed curing, water curing, hot air oven curing, 2022年1月10日 The paper attends to the utilization and performance improvement of waste red brick powder activated by calcium carbide slag (CCR) Therefore, the improvement of mechanical properties and microstructure of calcium carbide slagwaste red brick powder based alkaliactivated materials (CWAAMs) by silica fume, composite activator and curing temperature was Mechanical, microstructure and reaction process of calcium carbide 2022年10月24日 The effects of CS dosing and wet grinding treatment on the mechanical properties, hydration, a novel ecofriendly geopolymer was synthesized from 100% solid wastes comprising red mud (RM), calcium carbide slag (CS), ground granulated blast furnace slag (GGBS) and fly ash (FA) Lowcarbon wetground fly ash geopolymer activated by single calcium 2024年10月25日 Carbide residue is generated during the production of acetylene through calcium carbide hydrolysis, and it mainly consists of Ca(OH) 2, as indicated in Fig 4 The content of Ca(OH) 2 in carbide slag is 7013 % (calculated from the weight loss observed between 341 °C and 520 °C using TGA)Performances enhancing of supersulfated cement (SSC) using
Preparation and curing method of red mudcalcium carbide slag
2023年5月1日 Calcium carbide slag (CS) is a byproduct of the hydrolysis of calcium carbide to produce acetylene, containing more than 80% calcium hydroxide and thus presents a high alkalinity [23]Its large production volume challenges the disposal of CS, and currently CS is mainly dealt with by pilling and landfilling, which not only occupies a large amount of land 2024年4月30日 Study on the Properties and Hydration Mechanism of Calcium Carbide ResidueBased LowCarbon Cementitious Materials April 2024; Buildings 14(5):1259; After mechanical grinding, the particle sizeStudy on the Properties and Hydration Mechanism of Calcium Carbide 2021年11月17日 Calcium carbide residue (CCR) is the endproduct of production of acetylene gas for the applications such as welding, lighting, ripening of fruits, and cutting of metals(PDF) Mechanical Properties and Durability Performance of 2024年1月5日 A mixture of calcium carbide residue and coal fly ash with a Ca/(SiO2 + Al2O3) ratio of 15 resulted in the highest compressive strength at long curing periods in both pastes and mortarsEvaluation of calcium carbide residue and fly ash as sustainable
Frontiers Microstructure and Composition of Red
2020年11月5日 In the mix design of geopolymer samples, the sandbinder ratio was 3:1, the liquid solid ratio (L/S) was fixed at 07 and the different percentages of the geopolymer materials were shown in Table 4Solid particles (fly ash, red 2019年5月23日 Calcium carbide [(CaC 2)] is an important chemical, which is produced from the chemical processing of limestone In 1892, French Maisang and American Wilson developed the method to produce calcium carbide during arc furnace reductive smelting simultaneously At present, this method is the only method to produce calcium carbide prehensive Utilization of Carbide Slag SpringerLink2017年10月30日 The asreceived red mud slurry with pH 127 and water content of 3403%, was airdried to below 3% moisture content and was broken to small pieces with hammer This is a kind of lowcalcium and highiron red mud The main chemical compositions are Al 2 O 3, Fe 2 O 3, SiO 2, and Na 2 O Coal gangue studied in this paper was dredged fromComparison of red mud and coal gangue blended geopolymers 2024年8月9日 Utilizing MSC composite materials (MMetakaolin(MK)), SSlag, CCalcium carbide residue (CCR)), the waste engineering mud produced through the drilling and grouting pile construction method was solidifiedThrough the analysis of unconfined compressive strength (UCS), Xray diffraction (XRD), and scanning electron microscope (SEM) on solidified Study on mechanical properties and microstructure of metakaolin
Synergistic activation mechanism and longterm properties of a
2024年8月9日 A new type of ecological cementitious material was developed by using various solid waste materials to prepare lowcost and lowcarbon ecofriendly materials By incorporating circulating fluidized bed fly ash (CFBFA), red mud (RM), calcium carbide slag (CS), and ground granulated blast furnace slag (GGBS), the mechanical properties of the cementitious material In order to reduce carbon emissions and consume a large amount of lowquality solid waste, CFBFARMCS has been developed by utilising the synergistic effect of circulating fluidised bed fly ash (CFBFA), red mud (RM) and calcium carbide slag (CS)The solidification mechanism of the ternary paste was studied from both macroscopic mechanical properties and microscopic Optimization of proportions and solidification mechanism of all Calcium carbide has the nominal formula of CaC 2 and the molecular weight of 640992 g/mol The pure material is colorless, but most samples have a color ranging from black to grayishwhite, depending on the grade Its density is 222 g/cc and it melts at 2160 °C with a boiling point (under an inert atmosphere) of 2300 °C, where it decomposesIts main use industrially is in the Calcium Carbide an overview ScienceDirect Topics2020年10月13日 altered by the mechanical grinding forces [43] C Barconcrete bond in mixes containing calcium carbide residue, fly ash and recycled concrete aggregate Cem Concr Compos 2018, 89, 31–40Utilization of Carbide Slag by Wet Grinding as an Accelerator in
Preparation and performance assessment of calcium carbide slag
In this study, different dosages of Calcium Carbide Slag (CCS) were used to modify Red Mud (RM), including partially replacing RM with blast furnace slag (GGBS) prior to CCS modification Thereafter, the influence of CCS on the fluidity and mechanical properties of the resultant cementitious mixtures was quantitatively evaluated2024年4月30日 The production process of Portland cement, consisting of two grinding and one burning operations, produces a lot of CO 2 and pollutes the environment; thus, it is of great practical significance to develop green and lowcarbon cementitious materials to replace Portland cement []Among them, alkaliactivated cementitious materials have similar properties to those Study on the Properties and Hydration Mechanism of Calcium Carbide China is the largest producer and consumer of calcium carbide in the world The calcium carbide industry is an indispensable industry to support the basic life of people The huge production capacity of calcium carbide is accompanied by a large number of solid waste carbide slag Due to the immature treatment technology of carbide slag, a large number of carbide slag are stacked Resource utilization of solid waste carbide slag: a brief review of 2022年6月1日 As foundry sand, SBS has the advantages of high strength, good thermal stability, and lack of any harmful gas emissions in casting [5], [6]The SBS mainly includes silica sand, limestone sand and other highquality sands, which are considered excellent materials and valuable resources [7]In China, about 50 million tons of casting waste sand is discharged Carbon dioxidehardened sodium silicatebonded sand
Synergistic activation mechanism and longterm properties of a
2024年8月9日 By incorporating circulating fluidized bed fly ash (CFBFA), red mud (RM), calcium carbide slag (CS), and ground granulated blast furnace slag (GGBS), the mechanical properties of the cementitious material were first studied Then, the hydration products were characterized by XRD, TGDTG, FTIR, and SEMRequest PDF On Feb 1, 2023, Yuxuan Shi and others published Preparation and curing method of red mudcalcium carbide slag synergistically activated fly ashground granulated blast furnace slag Preparation and curing method of red mudcalcium carbide slag 2010年10月1日 To further improve the efficiency, Ji et al [51][52][53] developed this compound machining process in which both electric discharge milling and mechanical grinding takes place one after another (PDF) Electric discharge milling and mechanical grinding 2024年1月12日 The extensive accumulation of phosphorus slag (PS) not only occupies land but also pollutes the environment In the present study, calcium carbide slag (CS) and desulfurization gypsum (DG) were used to synergistically activate PS, and metakaolin (MK) was added to provide additional Al 2 O 3 for the cementitious systemThe setting time, pH development, Preparation and characterization of quaternary clinkerfree
Strength behavior and autogenous shrinkage of alkaliactivated
2021年12月20日 In this study, the effects of sodium hydroxide (NaOH) concentrations, ratios of lowcalcium fly ash (FA) to calcium carbide residue (CR), and adding 5% of Portland cement on compressive strength and autogenous shrinkage of alkaliactivated mortar made from FACR mixtures were investigated and verified by examining the microstructure and morphology of 2024年11月12日 Carbide slag (CS) is a strongly alkaline waste residue manufactured during the hydrolysis of calcium carbide in the industrial production of polyvinyl chloride, with its main component consisting of Ca(OH) 2, and the pH value of its saturated solution reaching 13 [13] it is viable as an alkali activator in the fabrication of alkaliactivated materials, with a stimulatory Investigation on the mechanical and microstructure properties of The primary component of CCR is 85–95 % Ca(OH) 2, with a smaller portion of 1–10 % CaOAdditionally, CCR contains minor components such as alumina (Al 2 O 3) and iron oxide (Fe 2 O 3)Although their concentrations are relatively low, these components contribute to the overall chemical properties of CCR (Lv et al, 2023)From 2007 to 2013, with the rapid increase in Reaction mechanism study of calcium carbide residue with 2024年7月1日 In order to reduce carbon emissions and consume a large amount of lowquality solid waste, CFBFARMCS has been developed by utilising the synergistic effect of circulating fluidised bed fly ash (CFBFA), red mud (RM) and calcium carbide slag (CS)The solidification mechanism of the ternary paste was studied from both macroscopic mechanical properties Optimization of proportions and solidification mechanism of all
Effect of wet grinding carbonation of sintering red mud on the
2024年9月27日 The global aluminum manufacturing industry produces millions of tons of alumina annually through sintering, bayer and combined processes [1], [2], [3]Red mud emissions range from 055 to 221 tons for every ton of alumina produced [4], [5]In 2022, red mud emissions have surpassed 45 billion tons worldwide and was increasing at a rate of roughly 2024年9月27日 In previous work, we proposed a novel wet grinding carbonation technique to achieve rapid carbonation of sintering red mud (SRM) Herein, the effect of wet grinding carbonation of SRM (WGCS) replacement rate (0 %, 5 %, 10 %, 15 %, 20 % and 25 %) on the hydration and hardening of Portland cement was further explored, such as rheology Effect of wet grinding carbonation of sintering red mud on the 2022年11月21日 The increased production of industrial waste accompanies global industrialization The discharge and storage of industrial wastes seriously pollute the natural environment and limit the development of related industries [1]Red mud (RM), also known as bauxite residue, is a category of industrial waste produced from alumina plantsStrength development and microstructure of sustainable 2018年3月6日 This paper investigates the influence of mechanical grinding on pozzolanic characteristics of circulating fluidized bed fly ash (CFA) from the dissolution characteristics, paste strength, hydration heat and reaction degree Further, the hydration and hardening properties of blended cement containing different ground CFA are also compared and analyzed from Influence of mechanical grinding on pozzolanic characteristics
Low carbon binder preparation from slagred mud ResearchGate
Request PDF Low carbon binder preparation from slagred mud activated by MSWI fly ashcarbide slag: Hydration characteristics and heavy metals' solidification behavior Municipal solid waste 2020年11月6日 This paper presents the strength, durability and microstructural characteristics of fly ash based geopolymer concrete in addition to red mud The study explores the influence of other parameters (PDF) Microstructure and Composition of Red MudFly AshBased Figure 4 Table 2 listed other physical properties of red mud and fly ash Natural river sand had a particle size ranged from 016 to 236mm, which granules were well formulated, and the apparentMicrostructure and Composition of Red MudFly AshBased 2024年2月12日 The dense WCM2 highspeed steel matrix composites (WCM2 HSS MMCs) with different WC content were prepared by mechanical alloying and vacuum sintering process Tungsten Carbide (WC) with 0, 2, 5, 8, and 10 (by weight %) were dispersed in the matrix The effects of WC content on the densification mechanism, phase composition, microstructure, Effect of Tungsten Carbide Additions on the Microstructure, Mechanical
Preparation and curing method of red mudcalcium carbide slag
2023年5月1日 The commercial alkali activators could account for more than 50% of the cost for producing geopolymersThus, to lower the carbon footprint of geopolymer by avoiding the utilization of energyintensive commercial alkali activators, a novel ecofriendly geopolymer was synthesized from 100% solid wastes comprising red mud (RM), calcium carbide slag (CS), 2020年7月20日 Carbide slag (CS) is the solid waste generated in the process of acetylene production and mainly contains Ca(OH) 2 and CaCO 3 as well as small amounts of MgO, SiO 2, Al 2 O 3, Fe 2 O 3 [49], [50] With the increase of acetylene demand, the emission of carbide slag is growing continuously and it is estimated that around 56 × 10 7 tonnes are produced Utilization of carbide slaggranulated blast furnace slag system