
Calcium carbide slag replaces lime

An Innovative Approach to Prepare Calcium Oxide
2024年6月6日 The replacement of calcium carbide slag (CS) with limestone to prepare calcium oxide can reduce the consumption of primary limestone and CO2 emissions, which also effectively improve CS comprehensi2023年8月24日 To address the scarcity of lime resources, this study explores the potential of using industrial solid waste, including fly ash (FA) and carbide slag, as replacements for lime Research on the Performance of Calcium Carbide Slag–Fly Ash 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 Life cycle assessment of beneficial use of calcium carbide sludge in 2022年3月1日 In this work, we coupled the treatment of flue gas and carbide slag to propose a facile CO2 mineralization route to prepare light calcium carbonate And the route feasibility CO2 mineralization of carbide slag for the production of light

Recycling and conservation of calcium carbide slag in dispersive
2023年8月22日 Results showed that adding 2% CCS significantly limits the dispersivity of the soil and improves its resistance to water erosion and mechanical properties Increases of 11 The construction and operation of comprehensive utilization production lines in SXBYCHEM completely realized the 100% use of calcium carbide slag instead of limestone production, which has a demonstration effect on the cement Application technology of calcium carbide slag: a case 2024年1月5日 This study presents an indepth evaluation of calcium carbide residue and coal fly ash as alternative binders The assessment of raw materials emphasized their chemical Evaluation of calcium carbide residue and fly ash as sustainable 2013年1月25日 Calcium carbide Slag is from CaC2 hydrolysis reaction and will do harm to land and make pollution Calcium carbide slag can be a substitute for limestone to produce clinker Using Calcium Carbide Slag as One of CalciumContaining Raw

Desulphurization mechanism and engineering practice of carbide
2022年7月14日 The test results show that carbide slag and limestone have almost the same desulfurization effect The kinetics of carbide slag desulfurization process conforms to pseudo 2019年5月23日 Through chemical component analysis, the chemical composition of carbide slag is found to be similar to lime putty, in which calcium hydroxide (Ca(OH) 2) is the commonly Comprehensive Utilization of Carbide Slag SpringerLink2021年10月25日 In this study, DS from Taihu Lake, together with calcium carbide slag (CCS) and ground granulated blastfurnace slag (GGBS), was used as supplementary cementitious materials (SCM) to replace Recycling sediment, calcium carbide slag and ground granulated 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

Application technology of calcium carbide slag: a case
The 100% calcium carbide slag is used to replace the limestone, the system runs stably and the failure rate is low To guarantee environmental protection, the feeding of calcium carbide slag is continuous and uniform Method for 2024年1月5日 Additionally, alternative binders such as lime, fly ash, Yang, J et al Lowcarbon wetground fly ash geopolymer activated by single calcium carbide slag Constr BuildEvaluation of calcium carbide residue and fly ash as sustainable Keywords Carbide slag Comprehensive utilization Cement Flue gas desulfurization 71 Generation and Chemical Composition of Carbide Slag and Its Effect on the Environment 711 Source of Carbide Slag Carbide slag is the industrial residue, which is discharged in large quantities during the hydrolysis of calcium carbide while preparing Comprehensive Utilization of Carbide Slag SpringerAfter calcium carbide hydrolysis per ton, approximately produce 115 tons of carbide slagsThe stacking of carbide slag not only takies a large amount of soils, and because carbide slag is easy to the diffusion of running off, pollutes and stack near the water resources in place, alkalization soil; Longtime heap is released and may, because of airdry ash, be polluted surrounding CNA Method using calcium carbide slag to produce

Research on the Performance of Calcium Carbide Slag–Fly Ash
Research Article Research on the Performance of Calcium Carbide Slag–Fly Ash Stabilized Soil Yanxia Cai,1,2,3 Zhishu Zang ,4 Xiaolin Zuo,5 Fengtao Liu,5 Lengxue Li,5 Kaiji Lu,1,2,3 and Qianlong Huang 1,2,3 1Beijing Zhonglu Gaoke Highway Technology Co Ltd, Beijing , China 2Research and Development Center of Transport Industry of New Materials, 2020年3月1日 This study investigates the use of carbide slag (CS), an industrial byproduct generated in acetylene production, as a potential alternative to hydrated lime (HL) for activation of ground Use of carbide slag from acetylene industry for activation of 2022年12月12日 Calcium carbide slag is used to replace lime to produce Ca(OH) 2 or lime milk (lime slurry) chemical products, realizing the comprehensive utilization of waste [35] For example, calcium chloride, potassium chlorate, calcium oxide [36], bleaching liquor, bleaching powder, propylene oxide, ethylene oxide, chloroform, etc [37]Comprehensive performance study of aluminum ash and calcium carbide 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 ScienceDirect

Utilization of lime/carbide slagactivated ground granulated blast
2020年3月23日 Lang et al [95] studied the use of lime and 25%30% carbide slag to activate ground granulated blastfurnace slag, which can replace Portland cement to stabilize dredged sludge and achieve the 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 system The setting time, pH development, Preparation and characterization of quaternary clinkerfree Research Article Research on the Performance of Calcium Carbide Slag–Fly Ash Stabilized Soil Yanxia Cai,1,2,3 Zhishu Zang ,4 Xiaolin Zuo,5 Fengtao Liu,5 Lengxue Li,5 Kaiji Lu,1,2,3 and Qianlong Huang 1,2,3 1Beijing Zhonglu Gaoke Highway Technology Co Ltd, Beijing , China 2Research and Development Center of Transport Industry of New Materials, Research on the Performance of Calcium Carbide Slag–Fly Ash 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 clinkerLife cycle assessment of beneficial use of calcium carbide sludge

Application of Carbide Slag in Autoclaved Aerated Concrete
2018年4月18日 That is to say, the use of hot water and precuring process is effective for AAC production when carbide slag is used to replace lime partly The results showed that when the replacement ratio of lime with calcium carbide slag falls the range of 0–50%, 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 Formation mechanism of carbide slag composite sustainedalkalinity E ects of an Integrated Carbide SlagMushroom DregCalcium Superphosphate Amendment on the Stabilization Process of recently CS has been used to replace hydrated lime to ameliorate soil acidity inEffects of an Integrated Carbide SlagMushroom DregCalcium 2022年4月30日 This study demonstrates that the carbide slag can replace lime as a calcium source and achieve good results in the calcificationcarbonation process for clean and valuable utilization of bauxite residue The best calcification conditions for carbide slag are realized at a calciumtosilicon ratio of 25, Carbide Slag as a Calcium Source for Bauxite Residue Springer

Stabilization of swelling soil by lime, fly ash, and calcium carbide
2022年5月18日 This study aimed to compare the swelling and strength parameters of weak and swellable soils with calcium carbide residue remaining from acetylene industrial production with lime and fly ash For this purpose, bentonite and river sand were mixed as a 75–25% bentonite–sand mixture to obtain the pure test sample Five percent, 10%, and 15% by weight 2023年8月24日 Research on the Performance of Calcium Carbide Slag–Fly Ash Stabilized Soil August 2023; Advances in Civil Engineering 2023(S1):114; replace lime or cement is urgently needed in the road Research on the Performance of Calcium Carbide 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 carbide slag increases sharply When 1 ton PVC is produced, about 15 ~ 19 tons of calcium carbide slag is produced (Yang et al 2014) In 2013, the annual output of carbideDesulphurization mechanism and engineering practice of carbide slag2019年9月11日 In the present study, the integrated use of organic and inorganic amendments (CS–MD–CSP) including carbide slag (CS), calcium superphosphate (CSP) and mushroom dreg (MD) are employed for the Effects of an Integrated Carbide SlagMushroom DregCalcium

Utilization of calcium carbide slag as alternative filler in asphalt
2022年12月20日 Calcium carbide slag (CCS) is a solid waste with a singlesource but high output, produced by the hydrolysis of calcium carbide to generate acetylene Acetylene can be further used to prepare polyvinyl chloride ( Zhong et al, 2018 ) which is wildly used in many fields such as construction, transportation, electrical appliances, electronics, etc ( Yu et al, 2016 )1 天前 Therefore, it is necessary to identify an alkaline waste slag as a substitute for lime Carbide slag (CS), a byproduct of acetylene production, primarily contains calcium hydroxide along with some impurities [39] CS is an alkaline waste byproduct, with annual production in China exceeding 2 million tons [40]Improvement of calcium sulfoaluminate cement with carbide slag 2023年8月22日 CCS is a kind of solid waste from the acetylene production process, consisting mainly of Ca(OH) 2 and CaCO 3, as well as small amounts of carbon and silicate [2]Approximately 12 tons of dry CCS are produced during the production process of every ton of PVC [3] 32 million tons of CCS are produced annually in the world [4]Disposal of massive Recycling and conservation of calcium carbide slag in dispersive 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

Analysis on Strength Properties by Replacement of Cement with Calcium
PDF On Aug 10, 2020, S Karthiga and others published Analysis on Strength Properties by Replacement of Cement with Calcium Carbide Remains and Ground Granulated Blast Furnace Slag Find, read 2009年10月25日 This paper focuses on the characterization of carbide lime (CL) – a byproduct of acetylene production, composed mainly of calcium hydroxide with minor parts of carbonate – and compares its features to those of “dry” hydrated lime (HL) commonly used as a building material Chemical, thermogravimetric and Xray diffraction analyses indicated that the limes Carbide lime and industrial hydrated lime characterization2024年1月26日 The massive accumulation of iron ore tailing (IOT) results in land resource wastage and increases the possibility of environmental pollutionIn this study, the feasibility of using lowcarbon alkaliactivated ground granulated blastfurnace slag (lime/Carbide slag (CS)GGBS) and coal fly ash (CFA) instead of portland cement (PC) for solidifying IOT was Stabilization of iron ore tailing with lowcarbon lime/carbide slag 2022年11月1日 The traditional calcium carbide (CaC 2) production process (TCCPP) uses block CaC 2 and coke as the main raw materials and produces CaC 2 through electrothermal smelting in an arc furnace The new twostep CaC 2 production process (NTCCPP) uses hot pellets of calcium oxide powder and pulverized coal after pelletizing and pyrolysis as raw materials in Comparison of new twostep calcium carbide production process

Performance of hydraulic lime by using carbide slag
2022年2月1日 In this study, DS from Taihu Lake, together with calcium carbide slag (CCS) and ground granulated blastfurnace slag (GGBS), was used as supplementary cementitious materials (SCM) to replace 2014年1月31日 To replace the hightemperature and energy extensive traditional calcium carbide (CaC2) production technique, characterized by electric arc heating and large granular feeds of coke and calcium Thermodynamic Analysis of Calcium Carbide Production2022年2月1日 Calcium carbide can be used as the basic raw material of organic synthetic chemical industry, and many organic compounds, such as polyethylene (PE), ethyne, polyvinyl chloride(PVC), etc, can be produced or synthesized by using calcium carbide [1, 2]As a result, CaC 2 has become an important chemical platform for sustainable development because of its Energy and exergy analysis of a new calcium carbide2024年2月26日 With the increasing accumulation of alkaline industrial solid waste, the mineralization of CO2 using alkaline industrial solid waste has broad application prospects Carbide slag is highly alkaline and contains a large amount of calcium elements, making it an excellent material for CO2 mineralization Our idea was to acquire qualified products and fast Research on Utilizable Calcium from Calcium Carbide Slag with

Carbide lime and industrial hydrated lime characterization
2009年10月1日 This waste material consists mainly of calcium hydroxide and with minor amounts of calcium carbonate The limeslag blend consists of 80% granulated blastfurnace slag and 20% hydrated lime (solid Carbide slag is a calciumrich residue that is a byproduct of ethyne gas production, containing residual minerals like magnesium, Meng et al (2018) evaluated the effects of lime, compost, biochar, and carbide slag on soil bioavailability and Cd uptake by rice through field experimentsCarbide Slag an overview ScienceDirect Topics2024年11月4日 The study aimed to elucidate the curing mechanism and establish an empirical model for the stabilization of marine organic soft clay (MOSC) using a combination of calcium carbide residue (CCR) and silica fume (SF) at the optimal proportion, employing response surface methodology (RSM) in conjunction with multiscale characterization techniques Initial The curing mechanism and empirical model for the marine organic 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 metakaolinslag