Carbide slag cement weight

Mechanical properties and microstructure of binding material

2021年2月1日  Carbide slag (CS) is the alkaline waste slag produced after calcium carbide is hydrolyzed to obtain acetylene gas It is mainly composed of CaO, with a small amount of 2024年1月5日  This study explores the development of calcium carbide residue (CCR) and fly ash (FA) as alternative binders, proposing them as sustainable options alongside ordinary Evaluation of calcium carbide residue and fly ash as sustainable 2019年5月23日  Qiu et al used the modified carbide slag to substitute gypsum to grind Portland cement, and reported the optimum fraction of carbide slag to be 65%, which can enhance the Comprehensive Utilization of Carbide Slag SpringerLink2022年11月15日  The grinding of carbide slag saves 7622% energy compared to lime rock • 8230 wt% carbide slag substitutes for 8639 wt% lime rock in cement preparation • 50 °C Characterization and comparison of the grindability, residual

Research on Utilizable Calcium from Calcium Carbide

2024年2月26日  Carbide slag is highly alkaline and contains a large amount of calcium elements, making it an excellent material for CO 2 mineralization Our idea was to acquire qualified products and fast kinetics by integrating carbide Foam concrete is widely used in transportation engineering as a light weight filler To solve the problems of high energy consumption and carbon emission of cement, Carbide Slag/Ground [PDF] Study on the Properties of Carbide Slag/Ground Granulated 2023年10月25日  During this study, carbide slag (CS), a calciumrich waste, was treated through carbonation The characteristics of CS and carbonated carbide slag (CCS) were examined, The Characterization of Carbide Slag by Carbonation Curing and 2020年5月1日  With an view to providing methodological and data support for the development of policies in the cement industry, this paper quantitatively analyzes the environmental Life Cycle Assessment of Comprehensive Utilization of Calcium

Compressive Strength and Microstructure of Carbide Slag and

2024年6月6日  Carbide slag is an industrial waste resulting from the hydrolysis of calcium carbide for the preparation of acetylene , and it is estimated that China produced about 56 × 2019年3月27日  In order to improve the properties of limebased mortars and promote the green development of the construction industry, blended limebased mortars were prepared by using carbide slag instead of hydrated lime, and the Effect of Portland Cement versus Sulphoaluminate 2024年10月25日  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) Table 1 lists the chemical composition of the raw materials Download: Download highres image (678KB)Performances enhancing of supersulfated cement (SSC) using 2024年10月15日  This work studies the microexpansion performance of hardened cement slurry with calcined carbide slag (CS) capsules (P/CS) The free expansion (FE), compressive strength (f c), and flexural strength (f f) of mortar with P/CS were measured at different CS contents of 0–6 %Meanwhile, the calcium hydroxyl (CH) content, porosity, and pore size of mortar with P/CS Microexpansion performance and microstructure of hardened cement

Comparing carbide sludgeground granulated blastfurnace slag

2022年2月1日  While it is known that cementproduction is highly energyintensive, which accounts for 1215% of worldwide industry energy [10] with high energy consumption (3,300 MJ per tonne) Portland cement 2022年5月1日  Coal is the dominant fuel in China to provide primary energy, and 70% of polyvinyl chloride is produced from coalbased CaC 2CaC 2 reacts with water to produce acetylene and calcium carbide slag (CCS) as a solid waste for polyvinyl chloride production Approximate 40 million tons of dry CCS are generated annually in China, among which only a Recycling and utilization of calcium carbide slag ScienceDirect2024年5月21日  Cement is an inorganic hydraulic powder material with good workability, mechanical properties, and durability, making it the most widely and commonly used building material worldwide []However, cement production is often associated with mineral resource shortage, excessive energy consumption, and excessive CO 2 emissions It is reported that for Study on the Alkalindash;Sulfur CoActivation and Mechanical2019年3月27日  Effect of Portland Cement versus Sulphoaluminate Cement on the Properties of Blended LimeBased Mortars Prepared by Carbide Slag March 2019 Materials 12(7):1012Effect of Portland Cement versus Sulphoaluminate Cement on the

Frontiers Microstructure and Composition of Red MudFly Ash

2020年11月5日  When the red mud, carbide slag, fly ash and the upper clear solution of carbide slag were mixed, the active Al and Si from fly ash dissolved under alkaline attack and formed the aluminosilicate gels Although aluminum and silicon accounted for more than half of the red mud composition, a significant portion of them were crystalline and acted as inert filler in the 2020年5月1日  Li and Xiong [52,53] used dry and wet carbide slag to replace limestone to produce cement, which reduced energy consumption, cost, and CO 2 emissionsLife Cycle Assessment of Comprehensive Utilization of Calcium Carbide 2024年10月15日  Carbide slag (CS) is a typical alkaline solid waste with Ca(OH) 2 as its main component, exhibiting a high capacity for CO 2 mineralization Currently, the methods for CS mineralization of CO 2 include direct and indirect mineralization which the initial pH of the reaction system plays a crucial role in the mineralization process In this study, we explored the effects Optimizing carbonation reaction parameters of calcium carbide slag The cement clinker production lines with 100% calcium carbide slag as calcareous materials only have two demonstration cement plants, the 2 × 2000 t/d calcium carbide slag comprehensive utilization production lines in the Xinjiang Application technology of calcium carbide slag: a case

Investigation on the mechanical and microstructure properties of

2024年11月12日  Investigation on the mechanical and microstructure properties of masonry cementred mudcarbide slagbased paste Author links open overlay panel Xiaoqian Cen a, Yaqing Zhang a, Hongen Zhang b Show more Add to Mendeley Share The weight reduction observed in the range of 350°C to 500°C was chiefly due to the thermal 2022年3月1日  The weight loss in the three stage could be attributed to the water evaporation, decomposition of Ca(OH) 2, and decomposition of CaCO 3, respectively Hightemperature CO 2 uptake and mechanical strength enhancement of CO2 mineralization of carbide slag for the production of light 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 2023年10月25日  During this study, carbide slag (CS), a calciumrich waste, was treated through carbonation The characteristics of CS and carbonated carbide slag (CCS) were examined, and their influence on blended cement paste performance was investigated The results showed that Ca (OH) 2 and CaCO 3 were the main mineral composition in CS and CCS, respectivelyThe Characterization of Carbide Slag by Carbonation Curing and

Comparing carbide sludgeground granulated blastfurnace slag

2022年2月28日  There were two main weight loss peaks at 400–550 °C and 650–750 °C, Carbide slag–activated ground granulated blastfurnace slag for soft clay stabilization Can Geotech J, 52 (5) Controlling the reaction kinetics of sodium carbonateactivated slag cements using calcined layered double hydroxides Cem Concr Res 2021年2月1日  Research efforts on the resource utilization of CS were mainly focused on the preparation of building materials [20], environmental pollution control [21], soil quality improvement [22], [23], etc Specific to the preparation of binding materials, Amnadnua et al [24] used carbide slagfly ash binding material to prepare concrete and compared their Mechanical properties and microstructure of binding material using slag 2024年1月5日  Yang, J et al Heatcured cementbased composites with wetgrinded fly ash and carbide slag slurry: Hydration, compressive strength and carbonation Constr BuildEvaluation of calcium carbide residue and fly ash as sustainable 2023年8月1日  For WCP, there is a weight loss occurring at 700–750 °C, which is due to the decomposition of CaCO 3 with a total weight loss of 166% The calculation and experimental study on the forming heat of cement clinker made from calcium carbide slag The 14th International Congress on the Chemistry of CementICCC (2015) Google Preparation and carbonation hardening of low calcium CO

Utilization of Carbide Slag by Wet Grinding as an Accelerator in

2020年10月13日  In this study, wetground carbide slag (ie, WGCS) was utilized as an accelerator in calcium sulfoaluminate cement (CSA) for obtaining considerably faster setting processes for some special 2024年5月21日  Study on the Alkali–Sulfur CoActivation and Mechanical Properties of LowCarbon Cementitious Composite Materials Based on Electrolytic Manganese Residue, Carbide Slag, and Granulated Blast (PDF) Study on the Alkali–Sulfur CoActivation and Mechanical 2022年1月10日  Arulrajah et al showed that a maximum CCR precursor content of 10% dry weight can most effectively promote the compressive strength of fly ashslag based AAMs (Arulrajah et al, 2016) The fly ashbased AAMs activated by 8–12 wt% CCR had better mechanical properties than those activated by NaOH ( Cong and Mei, 2021 )Mechanical, microstructure and reaction process of calcium carbide slag 2016年2月1日  Carbide slag is a type of alkaline waste from the chloralkali industry, and millions of tons of carbide slag are produced each year [1], [2]The typical disposal method of carbide slag is the landfill, which would result in wastes of calcium and land resources and cause environmental pollution [3]The major utilization of carbide slag is as raw materials to produce Enhanced performance of extruded–spheronized carbide slag pellets for

Development and property optimization of a sustainable

2024年10月25日  However, its application is hindered by the low mechanical strength, subpar water resistance, and presence of hazardous components In this study, groundgranulated blast furnace slag (GGBS) and carbide slag (CS) were together with βHPG into a highperformance and sustainable phosphogypsumbased cementitious material system (PCMS)2024年5月10日  Recycling sediment, calcium carbide slag and ground granulated blastfurnace slag into novel and sustainable cementitious binder for production of ecofriendly mortar Constr Build Mater , 305 ( 2021 ) , Article Study on longterm solidification of allsolid waste cementitious 2020年3月23日  Abstract This study investigated the feasibility of using lime (L) and carbide slag (CS) to activate ground granulated blastfurnace slag (GGBS), as a potential substitute to Portland cement (PC) for stabilizing dredged sludge (DS) A series of unconfined compressive strength (UCS), scanning electron microscopy (SEM) and Xray diffraction (XRD) tests were Utilization of lime/carbide slagactivated ground granulated blast Chang et al Chang et al (2011) studied CO 2 sequestration by ultrafine SS, flyash and blended hydraulic slag cement in an autoclave reactor, Carbide slag (CS) (a) and (b), respectively From Fig7 (b), there were two significant weight loss peaks at 307–490℃ and 550–800℃ in the samples of bSS, bCS and aCSSynergistic mechanisms of steelmaking slag coupled with carbide slag

Preparation and curing method of red mudcalcium carbide slag

2023年5月1日  Calcium carbide slag (CS) Fig 9 compares the weight loss of samples at 20–200 °C, 400–500 °C, Influence of slag composition and temperature on the hydration and microstructure of slag blended cements Construct Build Mater, 126 (2016), pp 4965072022年11月15日  Carbide slag (CS) was collected from the tailings dam of a plant of C 2 H 2 manufacturing (Shandong, China), and its moisture content was 263473 wt% It was dried in a drying oven at 100 °C until constant weight Lime rock (LR) was collected from a plant of cement manufacturing (Shandong, China)Characterization and comparison of the grindability, residual materials Article Utilization of Carbide Slag by Wet Grinding as an Accelerator in Calcium Sulfoaluminate Cement Xianyue Gu 1, Hongbo Tan 1,* , Xingyang He 2, Olga Smirnova 3, Junjie Zhang 1 and Zhongtao Luo 4 1 State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan , China; (XG); Utilization of Carbide Slag by Wet Grinding as an Accelerator in 2024年2月26日  The analysis revealed that the carbide slag sample undergoes three stages of weight loss during heating from 50 to 1000 °C, namely the loss of free water Zhao, CW HighTemperature CO 2 Uptake and Mechanical Research on Utilizable Calcium from Calcium Carbide

Cyclic CO2 Capture Performance of Carbide Slag: Parametric

2012年1月1日  CO 2 capture performance of cementmodified carbide slag Article 19 December 2016 CO 2 sequestration by mineral the carbide slag was completely calcined in a muffle furnace and the final weight loss of carbide slag is about 3033% based on gravimetric methodIssues existing in the plant were analyzed in detail, which included feeding and drying of calcium carbide slag, the operation of raw meal preparation and mills, the safe operation of clinker calcination, the research and development of the preheater and decomposition furnace, explosionproof systems and dust collection and disposal of dry calcium carbide slagApplication technology of calcium carbide slag: a case study calcium carbide (CaC 2), with water (H 2 O), during which slaked lime (Ca(OH) 2) is a byproduct of the following reaction, which consists in carbide slag CaC 2 +2H 2 O→C 2 H 2 +Ca(OH) 2 To recycle the carbide slag, Chinese government has advocated taking the place of limestone to produce cement However, as its water content is too high,Synthesis and Microstructure Analysis of Autoclaved Aerated 2023年8月14日  To solve the disposal problems of carbide slag (CS), soda residue (SR), and red mud (RM) solid wastes, a new type of cemented paste backfill (CPB) was prepared with CS, SR, and RM solid wastes The mixing proportion for the CPB was optimized by combining the Box‒Behnken design (BBD) response surface method and the satisfaction function method Production of a new type of cemented paste backfill with

Life cycle assessment of beneficial use of calcium carbide sludge

2023年9月15日  The use of calcium carbide sludge (CCS) as a substitute for limestone is an effective method for reducing CO 2 emissions in the cement industry In this study, a life cycle assessment (LCA) was performed to assess the greenhouse gas (GHG) emission reduction potential of CCS cement clinker compared to that of Portland cement clinkerChina has applied the raw material substitution technology such as replacing limestone with carbide slag in the cement clinker production process, applied the technique of producing cement with blast furnace slag and fly ash as added mixed materials, a nickel or alloys with more than 40% nickel by weight; carbide slag 英中 – Linguee词典2022年7月14日  The kinetics of carbide slag desulfurization process conforms it was dried to constant weight at 105 ℃ and then the G, Zheng M, Jin R, Yang L, Hao L, Wu X, Zhang X, Wang P (2017) Evaluation of dioxins and dioxinlike compounds from a cement plant using carbide slag from chloralkali industry as the major raw Desulphurization mechanism and engineering practice of carbide slag2024年2月16日  CSH based nucleation seed prepared from waste glass powder and carbide slag and its application in Portland cement Author links gradation of zirconia balls is 24 mm: 18 mm: 10 mm: 06 mm = 1:1:2:1 Zirconia ball ratios and the PCE weight were A small amount of calcium carbide slag obtained after CSH based nucleation seed prepared from waste glass powder

Analysis on Strength Properties by Replacement of Cement

2020年8月5日  Calcium carbide remains a secondary product in the manufacturing process of acetylene gas consists calcium hydroxide predominantly Ground granulated blast furnace slag cement produced from iron blastfurnace slag (pozzolanic), feasible with suitable combination to be used as an alternate cementitious material The initial study evaluated the suitable

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