Calcium carbide mud steel slag
Recycling and utilization of calcium carbide slag ScienceDirect
2022年5月1日 CaC 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 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 an alkaline activator to activate granulated blast Study on the Properties and Hydration Mechanism of 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 Synergistic activation mechanism and longterm properties of a 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 Research on Utilizable Calcium from Calcium Carbide Slag with
Research on Utilizable Calcium from Calcium Carbide
2024年2月26日 Compared with traditional direct water carbonation and acid extraction processes for carbide slag, ammonium salt extraction of utilizable calcium in carbide slag has several advantages, including high selectivity, high 2024年1月5日 SCMs reduce waste and conserve nonrenewable resources because they are made from industrial byproducts including fly ash, slag, and silica fume Moreover, SCMs Evaluation of calcium carbide residue and fly ash as sustainable Recycling sediment, calcium carbide slag and ground granulated blastfurnace slag into novel and sustainable cementitious binder for production of ecofriendly mortar Ruitang Kou Mingzhi Recycling and utilization of calcium carbide slag Semantic Scholar2022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
Desulphurization mechanism and engineering practice of carbide
2022年7月14日 Carbide slag (CS) is the main byproduct of acetylene production by calcium carbide With the rapid development of polyvinyl chloride (PVC) industry, the output of calcium 2022年7月14日 Carbide slag is a wet powder sample from Zhenyuan ASUS Precious Metals Development Co, Ltd The calcium carbide slag was dried, ground, passed through a 200mesh sieve, and placed in a threenecked flask, and a certain amount of water was added at the set solidtoliquid ratio to carry out a desulfurization experiment at room temperature of 25 ℃Desulphurization mechanism and engineering practice of carbide slag2021年12月10日 Small amounts of Na, Al and other metal ions in the carbide slag were detected (Table 1); these ions may have been derived from the acetylene raw material (calcium carbide) or mixed impurities in Formation mechanism of carbide slag composite sustainedalkalinity 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
Frontiers Effect of carbide slag and steel slag as alkali activators
2024年3月12日 Citation: Yang G, Li C, Xie W, Yue Y, Kong C and Li X (2024) Effect of carbide slag and steel slag as alkali activators on the key properties of carbide slagsteel slagslagphosphogypsum composite cementitious materials Front Mater 11: doi: 103389/fmats2024 Received: 09 December 2023; Accepted: 26 February 2024;2024年9月20日 As marinedredged mud and waste steel slag in coastal port cities continue to soar, the traditional treatment method of land stockpiling has caused ecological problems Thus, it is necessary to find a largescale resourcecomprehensive utilization method for dredged mud and waste steel slag This study uses waste steel slag and composite solidifying agents Experimental Study on Mechanical Properties and Stability of 2019年5月23日 This is due to certain reason First, the investment on the production of lime is less than 1/10 of that on cement Second, lime is the raw material for producing calcium carbide There is no question of finding another market Calcium is used as a carrier to realize a closed cycle of carbide slag–lime–calcium carbide–carbide prehensive Utilization of Carbide Slag SpringerLink2022年11月21日 Red mud (RM) and calcium carbide residue (CCR) are waste generated from alumina refining and acetylene gas producing, respectively This study utilized alkaliactivated ground granulated blastfurnace slag (GGBS) and wetbasis CCR stabilized RM to prepare geopolymers materialStrength development and microstructure of sustainable
Performances enhancing of supersulfated cement (SSC) using
2024年10月25日 The urgent issue is how to regulate and enhance its earlyage performance In this context, solid waste materials such as bauxite residuered mud (RM) and carbide slag residue (CS) from acetylene production by calcium carbide hydrolysis were used to improve the hydration and performance of SSC2022年11月21日 Red mud (RM) and calcium carbide residue (CCR) are waste generated from alumina refining and acetylene gas producing, respectively This study utilized alkaliactivated ground granulated blastfurnace slag (GGBS) and wetbasis CCR stabilized RM to prepare geopolymers materialStrength development and microstructure of sustainable 2024年8月15日 Carbide slag: Lignite: Regarding the reaction pathway of carbide slag in the CLG process, it was discovered that calcium hydroxide, the predominant component of carbide slag, played a direct role in the reaction at temperatures below 773 K Conversely speaking, at temperatures exceeding 773 K, calcium hydroxide indirectly contributed to the CO2 capture by the slag from lignite's chemical looping 2024年6月6日 Details of carbide slag and alkaliactivated blast furnace slag paste (CAB) mixtures tested in this study are presented in Table 3, Table 4 and Table 5 In all CAB mixtures, the spread flow was kept constant at (120 ± 5) mm The carbide slag for each CAB mixture was dried in an electric oven and ground in a laboratory steel ball pressive Strength and Microstructure of Carbide Slag and
Study on mechanical properties and microstructure of metakaolinslag
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 2024年10月15日 Notably, CGS has a poroustype structures with other materials, such as blast furnace slag, red mud, steel slag, and calcium carbide slag, rendering it suitable as a carrier for PCMs Furthermore, CGS has a high carbon content [ 31 ], offering enhanced thermal conductivity compared with the currently researched porous shapestabilized PCM posite energy storage cementbased mortar including coal 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 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 Synergistic activation mechanism and longterm properties of a
Recycling and utilization of calcium carbide slag Semantic Scholar
DOI: 101016/jrser2022 Corpus ID: ; Recycling and utilization of calcium carbide slag current status and new opportunities @article{Gong2022RecyclingAU, title={Recycling and utilization of calcium carbide slag current status and new opportunities}, author={Xuzhong Gong and Tong Zhang and Junqiang Zhang and Zhi Wang and Junhao Liu 2020年11月6日 wetbased carbide slag, and the fl y ash, red mud and carbide slag were prepared as the proportion of 4:3:3 Through scanning electron microscope, back scattered electron,(PDF) Microstructure and Composition of Red MudFly AshBased 2024年11月1日 For resource utilization of industrial solid waste, a 1:1 mixture of carbide slagsteel slag was innovatively selected as the carbon sequestration material for CO 2 sequestration in this work, and the carbon sequestrated carbide slagsteel slag material was used as skeleton material to make carbon sequestered carbide slagsteel slag/NaNO 3 phase change compositesEffect of carbon capture on carbide slagsteel slag shapestable 2019年9月30日 For every ton of alumina produced will bring 10–18 tons of red mud [4], [5] Red mud contains a large number of strong alkaline chemicals with a pH value of more than 12 [6], and the main harmful element in RM is sodium Carbide slag is an industrial waste produced by calcium carbide hydrolysis to prepare C 2 H 2 gas, PVC, etc [7], [8]Synergic effects of electrolytic manganese residuered mudcarbide slag
CALCIUM CARBIDE STEEL MAKING / SLAG CONDITIONING
CALCIUM CARBIDE STEEL MAKING / SLAG CONDITIONING GRADES HEALTH SAFETY INFORMATION Date Issued: 5/1/09 Revision No: 90 2 Carbide Industries 24 Hour Emergency Response Line (502) 7754123 Chemtrec 8004249300 EMERGENCY PHONE NUMBERS 3 HEALTH SAFETY INFORMATION2024年10月15日 Presently, industrial solid waste generated was generated globally in large quantities, with a wide variety of types, significant variations in physical and chemical properties, and uneven regional distribution [1, 2]This waste can be categorized into three main types: alkaline solid waste (such as slag, calcium carbide slag, alkaline slag), calcium solid waste Synergistic effect of iron tailings, steel slag and red mud 2024年2月20日 Steel slag is a kind of bulk alkaline industrial solid waste produced in the steelmaking process Resource utilization of this solid waste is an urgent problem to be solved in the steel industry to achieve green and lowcarbon development Carbonation of steel slag is one of the key technologies for the utilization of steel slag and the reduction of CO2 emission It is Research on the Leaching of Calcium Ions from Devanadiumized Steel 2022年1月21日 Steel slag (SS) and red mud (RM) are hazardous solid wastes that require disposal In this work, SS–RMbased multisolid waste composite pavement base material (PBM) was proposed based on different Ca/(Si + Al) ratios Its performance, structure and toxicity leaching have been studied The microstructure was characterized by XRD, SEMEDS, 29Si Steel Slag–Red MudBased Multisolid Waste Pavement Base
Effect of Calcium Aluminate and Carbide Slag on Mechanical
2024年3月28日 This study investigated the potential enhancement of SSC by incorporating calcium aluminate (CA) and carbide slag The Preparation of Ground Blast Furnace SlagSteel Slag Pavement Concrete Using Different Activators and Its Performance Investigation Buildings 2023, 13, 1590 [Google Scholar]2024年10月15日 This waste can be categorized into three main types: alkaline solid waste (such as slag, calcium carbide slag, alkaline slag), calcium solid waste (including steel slag) and silicaaluminum solid waste [3,4] Iron tailings (IR) are a byproduct of the iron extraction process [5,6]Synergistic effect of iron tailings, steel slag and red mud 2022年1月10日 The calcium carbide slag (CCR) is a highly alkalicarrying (pH > 12) residue of the production of acetylene because it mainly contains Ca Finally, the paste was filled into a 20mm × 20mm × 20 mm steel mould and was vibrated to densify The samples were enclosed in a plastic film to minimize moisture loss until testingMechanical, microstructure and reaction process of calcium carbide slag 2024年6月1日 CO 2mixing by directly injecting CO 2 into fresh cementbased materials is a burgeoning technology to produce lowcarbon cement products The objective of this study is to investigate the influence of the calcium carbide slag (CCS) content on the properties and carbon sequestration efficiency of cement pastes mixed under direct CO 2 injection conditionsEffects of calcium carbide slag on properties and carbon
CO2 mineralization of carbide slag for the production of light calcium
2022年3月1日 Despite numerous CO 2 mineralization methods have been proposed in the laboratory, it still lack relevant research in process route, energy consumption calculation and life cycle assessment In the work, a new process route was proposed to couple the treatment of flue gas and CS to prepare light calcium carbide The route feasibility was evaluated via 2022年2月21日 The utilization of calcium carbide residue (CCR) as alkali activator is promising to reduce production cost and ensure production safety In this study, CCR/carbonates system and Ca(OH) 2 /carbonates system were used to replace the NaOH and KOH to activated blast furnace slag developing cemented paste backfill (CPB), and the difference of reaction Alkali activation of blast furnace slag using a carbonatecalcium 2020年5月1日 The industrial solid wastes investigated as a potential CaObased sorbent for calciumlooping CO 2 capture include steel slag [18], carbide slag [19], [20], lime mud [21], [22], air pollution control residues [23], construction and demolition waste [24], and waste marble powders [25], while the investigated biogenesis calcium wastes include eggshells, seafood Development of robust CaObased sorbents from blast furnace slag 2022年7月14日 Carbide slag is a wet powder sample from Zhenyuan ASUS Precious Metals Development Co, Ltd The calcium carbide slag was dried, ground, passed through a 200mesh sieve, and placed in a threenecked flask, and a certain amount of water was added at the set solidtoliquid ratio to carry out a desulfurization experiment at room temperature of 25 ℃Desulphurization mechanism and engineering practice of carbide slag
Formation mechanism of carbide slag composite sustainedalkalinity
2021年12月10日 Small amounts of Na, Al and other metal ions in the carbide slag were detected (Table 1); these ions may have been derived from the acetylene raw material (calcium carbide) or mixed impurities in 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 2024年3月12日 Citation: Yang G, Li C, Xie W, Yue Y, Kong C and Li X (2024) Effect of carbide slag and steel slag as alkali activators on the key properties of carbide slagsteel slagslagphosphogypsum composite cementitious materials Front Mater 11: doi: 103389/fmats2024 Received: 09 December 2023; Accepted: 26 February 2024;Frontiers Effect of carbide slag and steel slag as alkali activators 2024年9月20日 As marinedredged mud and waste steel slag in coastal port cities continue to soar, the traditional treatment method of land stockpiling has caused ecological problems Thus, it is necessary to find a largescale resourcecomprehensive utilization method for dredged mud and waste steel slag This study uses waste steel slag and composite solidifying agents Experimental Study on Mechanical Properties and Stability of
Comprehensive Utilization of Carbide Slag SpringerLink
2019年5月23日 This is due to certain reason First, the investment on the production of lime is less than 1/10 of that on cement Second, lime is the raw material for producing calcium carbide There is no question of finding another market Calcium is used as a carrier to realize a closed cycle of carbide slag–lime–calcium carbide–carbide slag2022年11月21日 Red mud (RM) and calcium carbide residue (CCR) are waste generated from alumina refining and acetylene gas producing, respectively This study utilized alkaliactivated ground granulated blastfurnace slag (GGBS) and wetbasis CCR stabilized RM to prepare geopolymers materialStrength development and microstructure of sustainable 2024年10月25日 The urgent issue is how to regulate and enhance its earlyage performance In this context, solid waste materials such as bauxite residuered mud (RM) and carbide slag residue (CS) from acetylene production by calcium carbide hydrolysis were used to improve the hydration and performance of SSCPerformances enhancing of supersulfated cement (SSC) using 2022年11月21日 Red mud (RM) and calcium carbide residue (CCR) are waste generated from alumina refining and acetylene gas producing, respectively This study utilized alkaliactivated ground granulated blastfurnace slag (GGBS) and wetbasis CCR stabilized RM to prepare geopolymers materialStrength development and microstructure of sustainable
CO2 capture by the slag from lignite's chemical looping
2024年8月15日 Carbide slag: Lignite: Regarding the reaction pathway of carbide slag in the CLG process, it was discovered that calcium hydroxide, the predominant component of carbide slag, played a direct role in the reaction at temperatures below 773 K Conversely speaking, at temperatures exceeding 773 K, calcium hydroxide indirectly contributed to the