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 Yanshan steel calcite slag powder
Study on the Properties and Hydration Mechanism of
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 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 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, microstructure and reaction process of calcium 2022年5月1日 CaC2 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 Recycling and utilization of calcium carbide slag ResearchGate
Resource utilization of solid waste carbide slag: a brief review of
Using the solid waste carbide slag produced by the calcium carbide industry to absorb CO 2 and convert it into useful products not only improves the utilization value of carbide slag but also 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 2024年3月12日 In this study, slag (GGBS) was utilized as the primary material, phosphogypsum (PG) as the sulfat activator, and carbide slag (CS) and steel slag (SS) as the alkali activators to prepare carbide slagsteel slagslag Frontiers Effect of carbide slag and steel slag as alkali 2024年2月26日 This work explores the reaction conditions for ammonium acetate extraction of utilizable calcium in carbide slag, which can achieve an extraction efficiency of over 95% under normal temperature and pressure Research on Utilizable Calcium from Calcium Carbide
Development of calcium coke for CaC2 production using calcium
2020年9月21日 A type of calcium coke was developed for use in the oxythermal process of calcium carbide production The calcium coke was prepared by the copyrolysis of coking coal 2022年4月10日 Soybeanurease induced carbonate precipitation (EICP), as an alternative to microbially induced carbonate precipitation (MICP), was employed for soil improvement Meanwhile, soluble calcium produced from industrial waste carbide slag powder (CSP) via the acid dissolution method was used for the EICP process The ratio of CSP to the acetic acid Biocementation via soybeanurease induced carbonate Korea 2022年5月1日 Request PDF Recycling and utilization of calcium carbide slag current status and new opportunities Coal is the dominant fuel in China to provide primary energy, and 70% of polyvinyl chloride Recycling and utilization of calcium carbide slag ResearchGateRequest PDF On Feb 1, 2023, Jin Yang and others published Performances and microstructure of onepart fly ash geopolymer activated by calcium carbide slag and sodium metasilicate powder Find Performances and microstructure of onepart fly ash geopolymer
(PDF) Microstructure and Composition of Red MudFly AshBased
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,Microstructure and Composition of Red MudFly AshBased Geopolymers Incorporating Carbide Slag Yuxuan Shi1,2, Zhaoyun Zhang3, Zhaohu Sang3 and Qingxin Zhao1,2* 1State Key Laboratory of Metastable Microstructure and Composition of Red MudFly AshBased 2024年1月5日 Materials In this investigation, fly ash (FA) and calcium carbide residue (CCR) were both used as binder ingredients The CCR waste is a byproduct obtained during the acetylene gas manufacturing Evaluation of calcium carbide residue and fly ash as sustainable Calcium carbide, also known as calcium acetylide, is a chemical compound with the chemical formula of Ca C 2Its main use industrially is in the production of acetylene and calcium cyanamide [3]The pure material is colorless, while pieces of technicalgrade calcium carbide are grey or brown and consist of about 80–85% of CaC 2 (the rest is CaO (calcium oxide), Ca 3 P Calcium carbide Wikipedia
Mechanical, microstructure and reaction process of calcium carbide slag
2021年11月1日 Request PDF Mechanical, microstructure and reaction process of calcium carbide slagwaste red brick powder based alkaliactivated materials (CWAAMs) The paper attends to the utilization and 2022年10月3日 The high water content and viscosity make construction mud extremely difficult to manage, causing land occupation and environmental pollution problems This research aims to investigate the durability of ground granulated blast furnace slag (S) and calcium carbide residue (CCR), two industrial byproducts, solidified waste mud under wetting–drying cycles, and Study on Compressive Strength and Microstructure of Slag–Calcium 2022年8月20日 Waste carbide slag (WCS) as a typical Cacontaining alkaline material, is a byproduct of the hydrolysis of calcium carbide with a yield of ∼20 tons (90 wt% of water content) for each ton of polyvinyl chloride (PVC) produced (Wang et al, 2020)As one of the typical industrial solid wastes, it usually occupies land and causes resource waste and environmental pollution Preparation of calcium carbonate nanoparticles from waste carbide slag 关键词: CO 2 mineralization, Calcium carbide slag, Light calcium carbonate, Process simulation, Lifecycle assessment Abstract: The production of polyvinyl chloride by calcium carbide method is a typical chemical process with high coal consumption, leading to massive flue gas and carbide slag emissionsCurrently, the carbide slag with high CaO content is usually stacked in residue CO 2 mineralization of carbide slag for the production of light calcium
Effects of calcium carbide slag on properties and carbon
2024年6月1日 The presence of stable calcite is evidenced by relative peaks positioned at approximately 1420 cm −1 and pronounced sharp peaks at 872 cm −1 Preparation and carbonation hardening of low calcium CO 2 sequestration materials from waste concrete powder and calcium carbide slag Cem Concr Compos, 141 (2023), Article 2018年2月11日 Influence of calcium carbide slag additions on inclusion characteristics in steel, T Sjoqvist, S Jung, P Jonsson, and M And reasson, Ironmaking and Steelm aking 2000 Vol 27 No 5 373(PDF) Use of Calcium Carbide and Alumina based Slag 2022年12月12日 Calcium carbide slag is a waste slag produced after the hydrolysis of calcium carbide to obtain acetylene gas, with very fine particles, offwhite color due to the presence of trace carbon and sulfur impurities, slightly odorous, with Ca(OH) 2 as the main component, and a slag liquid pH value of 12 or more, thus often causing serious pollution to the environment [18]Comprehensive performance study of aluminum ash and calcium carbide 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 Frontiers Microstructure and Composition of Red MudFly Ash
Optimization of proportions and solidification mechanism of all
2024年5月23日 Optimization of proportions and solidification mechanism of allsolid waste cementitious materials based on circulating fluidized bed fly ash, calcium carbide slag, and red mud May 2024 Case Request 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 2023年5月1日 A series of new low calcium CO2 sequestration cementitious materials (LCC) with different Ca/Si ratios were prepared by sintering waste concrete fine powder (WCP) and calcium carbide slag (CCS) at Preparation and carbonation hardening of low calcium CO2 Carbide slag is a solid waste generated as a byproduct of calcium carbide (CaC 2) hydrolysis during the industrial production of polyvinyl chloride (PVC), ethylene or other products It is composed mainly of Ca(OH) 2 and a source of CaObased sorbent ( Li et al, 2015a , Carbide Slag an overview ScienceDirect Topics
Preparation and carbonation hardening of low calcium CO
2023年8月1日 A series of new low calcium CO 2 sequestration cementitious materials (LCC) with different Ca/Si ratios were prepared by sintering waste concrete fine powder (WCP) and calcium carbide slag (CCS) at different ratios Their carbonation reaction activity, carbonation hardening properties, phase assemblages, and microstructure were systematically characterized2023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 Preparation and curing method of red mudcalcium carbide slag 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11月11日 NanoCaCO 3 was producted by using carbide slag in the selfdesigned jetreactor The effect of different operating parameter such as CO 2 flow rate and concentration, liquid flow rate and concentration of Ca(OH) 2 on the CaCO 3 particle size and morphology has been investigated in this paper The obtained calcite particle were characterized using xray NanoCaCO 3 synthesis by jetreactor from calcium carbide slag
Precarbonation of calcium carbide slag for the preparation of
Download Citation On Oct 1, 2023, Peiyuan Chen and others published Precarbonation of calcium carbide slag for the preparation of ecofriendly mortars Find, read and cite all the research you 2012年12月31日 However, the indiscriminate dumping of this waste may affect soil fertility and pH of hydrosphere and its inherent organisms' survival Spent carbide is whitish or greyish color, pH ˂ 12, with Preparation of Calcium Carbonate Superfine Powder by Calcium Carbide 2022年5月1日 Most widely used acidic agents could react with these carbonates and release CO2 before they were recarbonated After the leaching step, alkaline reagents (eg, NH4OH, NaOH) are introduced to Preparation of calcium carbonate nanoparticles from waste carbide slag 2024年2月26日 Research on Utilizable Calcium from Calcium Carbide Slag with Different Extractors and Its Effect on CO 2 Mineralization Yantao Ma 1 , Xiang Zhang 1 , Zhengyu Du 1 , Haobo Hou 2,3 , * and Yiguang (PDF) Research on Utilizable Calcium from Calcium Carbide Slag
Resource utilization of solid waste carbide slag: a brief review of
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 2024年7月20日 31 Materials According to ASTM C 618–19 (ASTM C 2019), the major binder employed in this study is a waste material created during coalfired electricity generation that is low calcium FASteel slag, under ASTM C 989–2018 (ASTM C989 , C989M–18a 2018), is the second alternative binder used in this studyFly ash and steel slag used in this paper are Influence of steel slag on strength and microstructural 2024年2月1日 The abundant resources of steel slag make it an intriguing prospect for longterm CO 2 storage by mineral carbonation Herein, the dissolution of steel slag in an acetic acid (HAc) solution and the fixation of CO 2 in the leachate of steel slag to synthesize highvalue CaCO 3 were investigated Results show that the microwave water bath condition is beneficial for Microwaveenhanced selective leaching calcium from steelmaking slag 2023年8月1日 The combination of Na 2 CO 3 and other activators to activate the slag can make up for the shortcomings of using Na 2 CO 3 alone to activate the slag Dung et al [32] reported that the addition of magnesium oxide improved the early strength and carbonation resistance and shortened the setting time of Na 2 CO 3activated slag mortarsBian et al [33] introduced Durability performance of waste glass powder and calcium oxide
Analysis on Strength Properties by Replacement of
2020年8月10日 The compressive strengths of 045 and 056 w/c ratio concretes made from mixtures of “Ciment Fondu” calcium aluminate cement and ground granulated blast furnace slag (BRECEM) have been 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 INFORMATIONCALCIUM CARBIDE STEEL MAKING / SLAG CONDITIONING 2024年10月25日 A novel technique that couples microbially induced calcite precipitation (MICP) and calcium carbide residue (CCR) is proposed for immobilizing Cd2+ in contaminated soil The properties and Behaviour and mechanism of cadmium immobilization in Nature2023年10月19日 Another type of industrial solid waste that needs urgent treatment is calcium carbide slag (CCS), whose main chemical composition is Ca(OH) 2 and is mainly used to produce acetylene, PVC, vinyl acetate, and polyvinyl alcohol The accumulation of CCS can erode the soil, causing alkalinization of the soil and groundwater and damaging the ecological environmentInvestigation of various curing methods on the properties of red mud
An all solid waste CO2 sequestration material consist of multiple
2024年11月8日 In this study, a CO 2 sequestration material was obtained by all components solid wastes, ie, carbide slag and copper tailing based on red mud (RM) as crystal regulator after a sintering and carbonation process With the increasing dosage of RM, the mineral compositions of generated RMmodified clinkers were mainly γC 2 S (ie, around 80 %) at low dosage RM 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 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 2014年12月16日 Calcium in Steels satyendra; December 16, 2014; 6 Comments ; calcium, clean steel, clogging, fluidity, inclusions, Nozzle, steel, Calcium in Steels Calcium (Ca) (atomic number 20 and atomic weight 4008) has density of 154 gm/cc Melting point of Ca is 842 deg C and boiling point is 1484 deg CCalcium in Steels IspatGuru
CO 2 mineralization of carbide slag for the production of light calcium
Chinese Journal of Chemical Engineering ›› 2022, Vol 43 ›› Issue (3): 8698 DOI: 101016/jcjche202202011 Previous Articles Next Articles CO 2 mineralization of carbide slag for the production of light calcium carbonates Tongyang Zhang 1, Guanrun Chu 1, Junlin Lyu 1, Yongda Cao 1, Wentao Xu 1, Kui Ma 1, Lei Song 1, Hairong Yue 1,2, Bin Liang 1,2