
Coal millcalcium carbide mud

AllSolidWaste Cementitious Materials for Grouting: Effects of
20 小时之前 Carbide slag (CS), a distinctive solid waste in China, is an alkaline byproduct of acetylene gas production from calcium carbide, primarily composed of Ca(OH) 2 [12] In 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 2009年3月26日 To recycle industrial wastes and reduce SO 2 pollutant emission in coal combustion, the mineralogical compositions, porosity structures, surface morphologies, and Physicochemical Characterizations and Desulfurization Properties 2022年12月27日 Large amounts of raw material consumption, high energy consumption, and severe pollution have always been the key factors restricting the stable development of the A Novel CoalBased Calcium CarbideAcetylene System Process

Investigation of various curing methods on the properties of red
2023年10月19日 Industrial solid wastes red mud and calcium carbide slag are used to prepare lightweight aggregate ceramsite by coldbonded pelletizing technology in this study The 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 Development of calcium coke for CaC2 production using calcium 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 calciumDevelopment of calcium coke for CaC 2 production using calcium 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, Production of a new type of cemented paste backfill with

Optimization of proportions and solidification mechanism of all
为了减少碳排放,消耗大量低质固体废物,利用循环流化床粉煤灰(CFBFA)、赤泥(RM)和电石渣的协同效应,开发了CFBFARMCS (CS)。 从宏观力学性能和微观实验 (包括XRD 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 2020年8月5日 Lime mud, a kind of industrial waste that produced in paper mill, was proposed as CO2 sorbent in calcium looping process The carbonation performance of the lime mud was investigated in a dual Kinetic analysis about the CO 2 capture capacity of 2013年4月1日 Lime mud, a kind of industrial waste that produced in paper mill, was proposed as CO2 sorbent in calcium looping process The carbonation performance of the lime mud was investigated in a dual Utilization of lime mud from paper mill as CO2 sorbent in calcium

Optimization of proportions and solidification mechanism of all
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 and microscopic 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 with2024年10月29日 Coprocessing red mud and calcium carbide slag A portion of the fragments was then ground into powder form using a ball mill and screened through a 200 mesh square and molecular dynamics simulations to investigate the effects of water on the structure and mechanical properties of a coal ganguebased geopolymer, J Preparation and Performance Assessment of Calcium Carbide 2009年3月26日 To recycle industrial wastes and reduce SO2 pollutant emission in coal combustion, the mineralogical compositions, porosity structures, surface morphologies, and desulfurization properties of three calcium and sodium industrial wastes were investigated via Xray diffraction (XRD), porosimeter, scanning electron microscopy (SEM), and a fixedbed Physicochemical Characterizations and Desulfurization Properties

Synergistic CO2 mineralization using coal fly ash and red mud as a
2024年5月9日 CO2 mineralization plays a critical role in the storage and utilization of CO2 Coal fly ash (CFA) and red mud (RM) are widely utilized as CO2 mineralizers However, the inert calcium species in CFA limit its carbonation capacity, meanwhile the substantial Ca2+ releasing of RM is hindered by a covering layer of calcium carbonate In this study, CO2 mineralization in a 2023年4月14日 Semantic Scholar extracted view of "Effect of CarbonContaining Solid Waste from Calcium Carbide Scenario Development for Evaluating Carbon Capture and Utilization Concepts Using Steel Mill An experimental study on the feasibility of insitu desulfurization performance in a CFB combustor coburning red mud and coalEffect of CarbonContaining Solid Waste from Calcium Carbide 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 An all solid waste CO2 sequestration material consist of multiple 2020年12月5日 In the process of coal mining, coal spontaneous combustion in the gob area poses serious threats to the safety of mine production Besides, coal combustion also produces a large amount of greenhouse gas CO 2, which triggers a series of ecological environment problemsIn order to solve these two problems, the idea of mineralizing CO 2 with the alkaline Study on Preparation and Performance of Calcium Carbide Slag

Utilization of lime mud from paper mill as CO2 sorbent in calcium
DOI: 101016/JCEJ201301068 Corpus ID: ; Utilization of lime mud from paper mill as CO2 sorbent in calcium looping process @article{Sun2013UtilizationOL, title={Utilization of lime mud from paper mill as CO2 sorbent in calcium looping process}, author={Rongyue Sun and Yingjie Li and Changtian Liu and Xin Xie and Chunmei Lu}, journal={Chemical Engineering 2024年11月15日 Utilizing solid waste to prepare cement clinker with lowcalcium minerals is crucial for the lowcarbon evolution of cementitious materials In this study, a beliteye’elimiteternesite cement clinker was prepared using coal gangue, carbide slag, and desulfurization gypsum instead of nonrenewable resourcesMicrostructural characteristics of aluminosilicate minerals in 2024年5月1日 DOI: 101016/jconbuildmat2024 Corpus ID: ; Study on longterm solidification of allsolid waste cementitious materials based on circulating fluidized bed fly ash, red mud, carbide slag, and fly ashStudy on longterm solidification of allsolid waste cementitious 2023年5月18日 Based on a selection of case studies focusing on steel mill gases, bauxite residue, pyrite cinder, calcium carbide slag and automotive shredder residue, it is posited that the characteristics and flexibility of the chemical looping approach offer ample possibilities to efficiently reuse lowgrade streams and minimise their environmental impactChemical looping: a technology platform for upcycling lowgrade

A novel process to fully utilize red mud based on lowcalcium
2021年11月1日 The reason is that as the desulfurization reaction proceeds, a large amount of Si in sodium aluminosilicate hydrate (108Na 2 OAl 2 O 3 168SiO 2 18H 2 O) and hydrated garnet (CaOAl 2 O 3 2O) in red mud were released by the alkali and acid methods and carbide slags and flue gas were utilized to remove alkalis from red mud The effects of the reaction time, temperature, and solidtoliquid ratio on dealkalization of red mud by carbide slag were studied Flame absorption andDealkalization of Red Mud by Carbide Slag and Flue Gas2024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 2023年1月31日 This study investigates the effects of calcium carbide residue (CCR) addition on the sulphate resistance of metakaolinbased geopolymer mortar via strength testsEffect of calcium carbide residue on the sulphate resistance of

Use of lime mud from paper mill as a heterogeneous catalyst for
2013年2月1日 Lime mud (LM), a solid waste from the paper mill, is used as an economic and environmental friendly heterogeneous basic catalyst for transesterification, which is accompanied by characterization 2024年5月1日 Traditional limesolidified loess presents the issue of high carbon dioxide emissions This paper presents the development of a kind of cementitious material using industrial solid waste: slag–white mud–CCR (calcium carbide residue) The slag mainly contains CaO, SiO 2, and Al 2 O 3, with a 106 pH valueThe white mud and CCR mainly contain CaCO 3 and Analysis of compressive strength, durability properties, and 2O) in red mud were released by the alkali and acid methods and carbide slags and flue gas were utilized to remove alkalis from red mud The effects of the reaction time, temperature, and solidtoliquid ratio on dealkalization of red mud by carbide slag were studied Flame absorption andDealkalization of Red Mud by Carbide Slag and Flue Gas2022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

Strengthening mechanism of red mud with calcium oxide
2024年4月1日 Semantic Scholar extracted view of "Strengthening mechanism of red mud with calcium oxide" by coal fly ash (CFA) and red mud (RM) were used in combination to synthesize efficient heavy metal Expand 8 PDF Save Preparation and curing method of red mudcalcium carbide slag synergistically activated fly ashground granulated 2020年11月6日 This paper presents the strength, durability and microstructural characteristics of fly ash based geopolymer concrete in addition to red mud The study explores the influence of other parameters (PDF) Microstructure and Composition of Red MudFly AshBased 2013年12月13日 Lime mud (LM), a solid waste from the paper mill, is used as an economic and environmental friendly heterogeneous basic catalyst for transesterification, which is accompanied by characterization of Xray fluorescence, thermogravimetricdifferential thermal analysis, Xray diffraction, N2 adsorption, and Hammett indicator method To investigate the performance of Use of lime mud from paper mill as a heterogeneous catalyst for The Dexing copper tailing (DCT), Coal slag (CS) and Red mud (RM) were used to prepare A ballmilling pretreatment (300 rpm/4 h) was used to crush raw materials by the planetary ball mill (Mitr strength, durability properties, and micromechanisms of solidified loess using industrial solid waste: slag–white mud–calcium carbide Crystallization, structureproperty evolution, and solidification of

Recycling sediment, calcium carbide slag and ground granulated
2021年10月25日 The carbide slag was involved in the activation process of coal gangue by Na2CO3 at 740847 °C, which destroyed the SiO structure and AlOH structure in coal gangue, generated calcium silicate 2020年9月1日 The calcium coke was prepared by the copyrolysis of coking coal and calcium carbide slag, In this study, pure (with no additives) and mill scale (9866 wt% Fe2O3 content) Development of calcium coke for CaC2 production using calcium carbide 2022年4月24日 The catalytic effect of red mud on Vietnam anthracite’s combustion characteristics was investigated The mineralogical composition of the red mud includes CaCO3, Fe2O3, FeO(OH), FeTiO3, and Al(OH)3 This red mud is rich in Na, Ca, Al, Fe, and Ti The combustion characteristics were analyzed by the thermogravimetry method The combustion Studies on Red Mud Material to Use for Combustion of VietnamDOI: 101016/JJCLEPRO201511055 Corpus ID: ; Dewatering of waste lime mud and after calcining its applications in the autoclaved products @article{Qin2016DewateringOW, title={Dewatering of waste lime mud and after calcining its applications in the autoclaved products}, author={Juan Qin and Chong Cui and Chuanmeng Yang and Xiaoyu Cui and Biao Dewatering of waste lime mud and after calcining its applications

Experimental study on calcium carbide residue as a combined
2021年12月20日 This study investigates the use of calcium carbide residue (CCR) as a potential alternative to NaOH for activating coal gangue (CG) geopolymers, both of industrial waste A series of experiments were carried out to evaluate the effects of CCR content, NaOH:Na 2 SiO 3 mass ratios, liquid to solid ratio (L/(CG + CCR)), and curing time on the strength development DOI: 101016/jcscm2024e03333 Corpus ID: ; Optimization of proportions and solidification mechanism of allsolid waste cementitious materials based on circulating fluidized bed fly ash, calcium carbide slag, and red mudOptimization of proportions and solidification mechanism of all 2022年3月1日 The carbide slag was involved in the activation process of coal gangue by Na2CO3 at 740847 °C, which destroyed the SiO structure and AlOH structure in coal gangue, generated calcium silicate Aluminum extraction from activated coal gangue with carbide slag2021年9月15日 Effects from ashforming elements on process performance have previously been discussed for cementproducing rotary kilns [7], [8], [9] and lime mud reburning kilns [10], and indications show that ashforming elements are part of the ring formation in quicklimeproducing rotary kilns [11]Ashforming elements, such as Si, Al, Fe and S, common in coal Coal ash and limestone interactions in quicklime production

(PDF) Characterization and Application of New Natural Hydraulic
2016年2月2日 paper mill lime mud for examined the microstructure of calcium carbide residue and ground flyash After sintering at 1050 °C, ceramsite with 40 wt% lime mud, 55 wt% coal fly ash and 5 2016年8月19日 AbstractTwo waste byproducts, fly ash (FA) and calcium carbide M T (2009) “High strength geopolymers from fractionated and pulverized fly ash” 2009 World of Coal Ash (WOCA) Conf Zhang, G, He, J, and Gambrell, R P (2010) “Synthesis, characterization, and mechanical properties of red mudbased geopolymers Marginal Lateritic Soil Stabilized with Calcium Carbide Residue 2021年11月21日 India grows one of the largest quantities of sugarcane in the world and has shown a steady increase in its sugarcane production from 300 Mt in the year 2009 [] to 34256 Mt in the year 2011–12 [], rising further to 352 Mt in 2014 []Sugar is produced in over 130 countries all over the world and its production exceeds 150 Mt a year []Characterization and Valorization of Sugarcane Press Mud in 2019年10月24日 industrial wastes, including calcium carbide residue, brine sludge, and white lime mud at 1000–1600 C in a fixed bed They found that white lime mud gave the highest desulfurization e ffi Feasibility Study of Using Carbide Slag as InBed Desulfurizer in

Study on mechanical properties and microstructure of metakaolin
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