HOME→Calcium carbide mud electrolytic aluminum waste slag mill calcium carbonate heavy calcium powder machine Maike Road
Calcium carbide mud electrolytic aluminum waste slag mill calcium carbonate heavy calcium powder machine Maike Road
Mechanical, microstructure and reaction process of calcium
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 2022年8月20日 A stepwise mild method for preparation of nanosized CaCO 3 from WCS based on CO 2 mineralization is proposed Multiple crystal phase transformations of calcium Preparation of calcium carbonate nanoparticles from waste 2024年2月2日 This study proposes the technology of using waste carbide slag to treat carbon dioxide in the tail gas of electrolytic aluminum and innovatively designs a Venturi Research on Using Carbide Slag to Mineralize the Carbon Dioxide 2024年2月26日 This paper defines calcium in carbide slag that can participate in liquidphase carbonation reactions as utilizable calcium and explores the effects of different extraction Research on Utilizable Calcium from Calcium Carbide Slag with
Comprehensive performance study of aluminum ash and calcium
The experimental results show that the best ratio of aluminum ash and calcium carbide slag is 1:9, the best pressure is 300mpa, the best curing time is 5d, and the best curing condition is 2024年6月6日 Calcium carbide slag (CS) is an industrial solid waste produced via the coalbased poly(vinyl chloride) process, and its main component is calcium hydroxide (Ca(OH) 2) An Innovative Approach to Prepare Calcium Oxide from Calcium 2024年5月23日 Here, we review carbonrich solid wastes with focus on sources and hazards, detoxification, separation, recovery, recycling and disposal Treatment techniques include The recycling of carbonrich solid wastes from aluminum 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 Research on Utilizable Calcium from Calcium Carbide Slag with
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 Research on Utilizable Calcium from Calcium Carbide 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 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 ResearchGate
The recycling of carbonrich solid wastes from aluminum electrolytic
2024年5月23日 16 Million metric tons of spent carbon electrodes modify carbonrich solid wastes from aluminum electrolysis are produced annually, threatening ecosystems by cyanide and fluoride pollution Here, we review carbonrich solid wastes with focus on sources and hazards, detoxification, separation, recovery, recycling and disposal Treatment techniques 2021年11月1日 Aluminum ash is a large amount of industrial solid waste produced by the electrolytic aluminum industry, and calcium carbide slag is an alkaline industrial solid waste produced by the energy industryMechanical, microstructure and reaction process of calcium carbide slag 2021年5月6日 Every year a million tonnes of calcium rich agro and industrial waste are generated around the whole globe These calcium rich waste like finger citron, shells of cockle, mussel, oysters etc, and egg shell are biological sources which have various organic compounds The inorganic calcium rich waste includes gypsum, dolomite, sludge etc, which are produced The Processing of Calcium Rich Agricultural and Industrial Waste 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
Synergic effects of electrolytic manganese residuered mudcarbide slag
2019年9月30日 Electrolytic manganese residue (EMR), red mud (RM) and carbide slag (CS) are three kinds of solid waste which are largely produced and difficult to recycle EMR is a potentially harmful industrial solid waste, its major hazardous substances are heavy metals and ammonia nitrogen, which are harmful to the environment [1]2017年1月1日 PDF Calcium carbonate (CaCO3) is the most widely used filler material in paper, paint, plastic, food, ceramic, cosmetic, medicine and other Find, read and cite all the research you need on Precipitated Calcium carbonate production, synthesis and properties2022年9月1日 Waste carbide slag (WCS) is a typical industrial solid waste with high calcium content, which shows highly potential in preparation of CaCO3 by CO2 mineralization technologyCalcium recovery from waste carbide slag via ammonium sulfate 2016年2月17日 Calcium carbide residue is generated from the reaction of CaC2 (calcium carbide) and water in the production of acetylene in the chloralkali industry The main component contained in calcium carbide residue is Preparation of feed grade calcium formate from
Preparation of Calcium Carbonate Superfine Powder
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 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7月1日 Carbide slag is the byproduct of industrial preparation of the acetylene gas, whose main component is calcium hydroxide (Liu et al, 2020; Philbert et al, 2021)To produce 1 ton of acetylene gas, 12–18 tons of carbide slag are produced (Altiner, 2019)China is the largest calcium carbide manufacturing country in the world, and its total emissions of carbide slag are Preparation of calcium carbonate with microstructure and DOI: 101016/jjclepro2022 Corpus ID: ; Preparation of calcium carbonate nanoparticles from waste carbide slag based on CO2 mineralization @article{Li2022PreparationOC, title={Preparation of calcium carbonate nanoparticles from waste carbide slag based on CO2 mineralization}, author={Wenxiu Li and Yan Huang and Tao Wang Preparation of calcium carbonate nanoparticles from waste carbide slag
Preparation of a Composite Calcium Silicate Board with Carbide Slag
2020年4月10日 Preparation of a Composite Calcium Silicate Board with Carbide Slag and CoalBased Solid Waste Activated by Different Alkali Activators April 2020 ACS Omega 5(15)2016年9月13日 Waste carbide slag (WCS) is a typical industrial solid waste with high calcium content, which shows highly potential in preparation of CaCO3 by CO2 mineralization technologyUtilization of milk of lime (MOL) originated from carbide lime waste the milk of lime resulting in calcium carbonate precipitation Therefore, the CO 2 produced during the calcium carbide production can as well be channeled to produce PCC This will minimize or compensate for the high energy input during calcium carbide production The carbonation process enables PCC of a given specification to beUtilization of milk of lime (MOL) originated from carbide lime waste 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
The synthetic process of calcium carbonate from carbide slag
It was well known that carbide slag is the byproduct of the production of acetylene using calcium carbide and its main ingredients were Ca(OH) 2 and CaCO 3 50, 51 As the main component of carbide 2021年9月21日 This study provides an overview of calcium rich industrial wastes usage in construction materials, their properties and different applications through marble waste and flue gas desulfurization (FGD) gypsum Large quantities of industrial wastes are stockpiled and haphazardly disposed in increasing amounts causing serious environmental concerns The A review on calciumrich industrial wastes: a sustainable2022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 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
Experimental study on indirect mineral carbonation using five
2024年5月26日 Mineral carbonation is one of the known methods for carbon capture, utilization, and storage (CCUS) Slag from the steel industry is studied as a common source of CaCO3 via mineral carbonation owing to its high Ca content Despite numerous preliminary studies, the optimal factors governing the mineral carbonation of steelmaking slag, such as extraction and 2023年10月28日 Ammonium acetate's significance underscores its dual role in both the leaching and carbonation processes This process yielded calcium carbonate with particle sizes smaller than 100 nm, with a purity of 98% and a single vaterite phase The calcium carbide residue demonstrated an impressive CO 2 uptake rate of 235%Optimization of calcium carbide residue utilization for producing 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 and calcium carbide slag, which is a solid waste generated from the chloralkali industry The characteristics of the calcium cokes under different conditions were analyzed experimentally Development of calcium coke for CaC2 production using calcium carbide 2022年11月1日 Download Citation Strength development and microstructure of sustainable geopolymers made from alkaliactivated ground granulated blastfurnace slag, calcium carbide residue, and red mud Red Strength development and microstructure of sustainable
Calcium carbonate waste from an integrated pulp and paper mill
2007年7月24日 Calcium carbonate is used in large amounts in the pulp and paper industry as a paper filler When it is manufactured, the calcium carbonate waste is purged from the process Here we demonstrate that, due to the elevated calcium concentration of 1685 g kg−1 dry weight (dw), alkaline pH of 126 and neutralizing (liming) effect value of 424% expressed as Ca 2022年12月1日 Aluminum ash is a large amount of industrial solid waste produced by the electrolytic aluminum industry, and calcium carbide slag is an alkaline industrial solid waste produced by the energy prehensive performance study of aluminum ash and calcium carbide 2021年11月1日 Request PDF Calcium carbide residue as auxiliary activator for onepart sodium carbonateactivated slag cements: compressive strength, phase assemblage and environmental benefits Sodium Calcium carbide residue as auxiliary activator for onepart sodium 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 Optimization of proportions and solidification
Calcium recovery from waste carbide slag via ammonium sulfate
2022年12月1日 Waste carbide slag (WCS) is a typical industrial solid waste with high calcium content, which shows highly potential in preparation of CaCO 3 by CO 2 mineralization technology This study demonstrated the feasibility of efficient calcium leaching from WCS using ammonium sulfate ((NH 4) 2 SO 4) under mild conditions (≤40 °C,01 MPa)Nearly 90% 2014年3月18日 Carbide waste in Nigeria is between 7080% calcium hydroxide (Ca(OH) 2 ) and the impurities in carbide wastes include copper, lead, iron, manganese, nikel and zink [26] and the effects of some of (PDF) Impact of calcium Carbide waste dumpsite on soil chemical 2022年12月1日 Waste carbide slag (WCS) is a typical industrial solid waste with high calcium content, which shows highly potential in preparation of CaCO 3 by CO 2 mineralization technology This study demonstrated the feasibility of efficient calcium leaching from WCS using ammonium sulfate ((NH 4) 2 SO 4) under mild conditions (≤40 °C,01 MPa)Nearly 90% Calcium recovery from waste carbide slag via ammonium sulfate 2021年10月25日 Aluminum ash is a large amount of industrial solid waste produced by the electrolytic aluminum industry, and calcium carbide slag is an alkaline industrial solid waste produced by the energy industryRecycling sediment, calcium carbide slag and ground granulated
Synergic effects of electrolytic manganese residuered mudcarbide slag
2019年9月1日 The present study was designed to prepare the road base material by using electrolytic manganese residue (EMR), red mud (RM) and carbide slag (CS) as main raw materials2023年10月5日 Eq 1 indicates that the production of 1 ton of acetylene could result in the generation of about 116 tons of Ca(OH) 2The Ca(OH) 2 is impure waste, namely calcium carbide slag (CCS), with approximately 10–20% impurities, eg, sulfide, phosphide, and it can be hardly reused due to the high alkalinity and harmful impurities Although studies suggest the Precarbonation of calcium carbide slag for the preparation of 2022年3月1日 Diversified development of calcium carbide indus try, resource utilization of solid waste carbide slag and its application of carbon emission reduction have been full y reviewedResource utilization of solid waste carbide slag: a brief review of 2016年9月13日 Vast amounts of carbide lime waste generated as a byproduct of acetylene gas production require urgent utilization to avert handling and disposal difficulties The carbide lime waste is often rich in calcium hydroxide (Ca(OH)2), rendering it an alternative potential precursor for precipitated calcium carbonate (PCC) production The study demonstrated that suspension Utilization of milk of lime (MOL) originated from carbide lime waste