Calcium carbide mud gangue sintered brick environmental impact assessment
Preparation, characteristics and mechanisms of the composite
2020年1月30日 The present study firstly proposed a reasonable way to deal with the large amount of iron ore tailings and coal gangue powder by making them as the sintered bricks with 2023年9月15日 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 Life cycle assessment of beneficial use of calcium carbide sludge in 2024年9月16日 Results indicate that the partial substitution of coal gangue and clay by sewage sludge with water content of 60% and 30% significantly decreased the GHG emissions of Carbon footprint and economic viability assessment of recycling 2020年1月1日 A cradletogate life cycle assessment (LCA) was performed to evaluate the environmental profiles of the best performing wastederived bricks compared with standard Life cycle assessment of traditional and alternative bricks: A review
The Resource Utilization and Environmental Assessment of
2023年9月16日 Municipal solid waste incineration fly ash, containing heavy metals and dioxins with strong toxicity and carcinogenicity, would pose severe harm to human health and the 2020年1月30日 Effective sludge management: Reuse of biowaste and sewer sediments for fired bricks This study partially replaced the clay with sewer sludge (SS) and rice husk (RHSS) to Preparation, characteristics and mechanisms of the composite 2022年12月1日 Synergistic solidification/stabilization of electrolytic manganese residue and carbide slag This is the first attempt to mix carbide slag with bentonite to prepare sustained Comprehensive performance study of aluminum ash and calcium 2022年10月10日 In this paper, the MGS sintered brick with the best sintering mechanism was selected for comparison tests among the two sintering methods, in which the best porosity of Study on Preparation and Properties of Sintered Brick from Multi
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 2024年1月5日 A mixture of calcium carbide residue and coal fly ash with a Ca/(SiO2 + Al2O3) ratio of 15 resulted in the highest compressive strength at long curing periods in both pastes and mortarsEvaluation of calcium carbide residue and fly ash as sustainable 2020年1月1日 Life cycle assessment (LCA) is a solid tool to assess the potential environmental impacts in construction industry, an important material in this industry is the brick, along time several Life cycle assessment of traditional and alternative 2021年2月1日 Download Citation Unfired bricks prepared with red mud and calcium sulfoaluminate cement: Properties and environmental impact To reduce the pollution brought by mud (RM), it is recycled for Unfired bricks prepared with red mud and calcium
Mechanical, microstructure and reaction process of calcium carbide
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 properties and microstructure of calcium carbide slagwaste red brick powder based alkaliactivated materials (CWAAMs) by silica fume, composite activator and curing temperature was 2020年11月5日 In the mix design of geopolymer samples, the sandbinder ratio was 3:1, the liquid solid ratio (L/S) was fixed at 07 and the different percentages of the geopolymer materials were shown in Table 4Solid particles (fly ash, red mud) and wetbased carbide slag were firstly mixed for 3 min, then the upper clear solution of carbide slag was poured into the mixture and Frontiers Microstructure and Composition of Red MudFly Ash 2019年12月1日 The accumulation of considerable coal gangue not only occupies a great deal of land resource, but also results in serious environmental problems, eg, soil pollution, air pollution, and geologic hazards (Stracher and Taylor, 2004)The heat continues to accumulate during the accumulation process, which leads to spontaneous combustion with the oxidization of coal Comprehensive utilization and environmental risks of coal gangue: A 2014年3月1日 Coal gangue and fly ash were selected as raw materials to prepare building sintered brick The influence of ratio of coal gangue and fly ash and sintering temperature on mineralogical composition Preparation and Properties of Sintered Brick Based on Coal Gangue
Hydration characteristics of intermediatecalcium based
2014年5月1日 In order to deep understand the hydration characteristics of red mudcoal gangue based intermediatecalcium cementitious materials, XRD, IR, TGDTA and MIP techniques were used to investigate the 2023年8月16日 This study aims to evaluate the environmental impact of using red mud (RM) as a partial replacement for cement in concrete production Using industrial byproducts such as red mud as a raw material in concrete can reduce the environmental impacts of concrete and alumina industries Red mud can also provide a sustainable solution for its disposal problem, while also Environmental impact assessment of red mud utilization in 2018年1月10日 Permeable brick is used gradually with the promotion of sponge city development in China in recent years It is imperative to thoroughly analyze the environmental and economic impacts of permeable brick compared to widely used concrete pavement brick This paper analyzes and compares the environmental impact and economic cost impact of Environmental and economic impacts assessment of concrete 2016年6月8日 The production of coal gangue sintered bricks is an effective approach for realizing the resource utilization of coal gangue, which can also reduce damage to cultivated land due to the production Utilization of coal gangue for the production of brick
Utilization of calcium carbide residue based soil stabilizer in road
2024年11月1日 For every ton of calcium carbide used, about 12 to 13 tons of CCR is generated By the conclusion of 2021, it is estimated that the production of calcium carbide in China reached approximately 27 million tons, resulting in the creation of between 32 and 35 million tons of dry CCRenvironmental improvements to reduce the potential impacts of obtaining acetylene in the Cuban scenario Keywords: Acetylene, Calcium carbide, Environmen tal assessment, Life Cycle Assessment Environmental assessment of acetylene production process via calcium 2022年10月10日 The recycling of construction waste and the use of a new sintering process in the field of sintered bricks can greatly solve the problems of clay resource depletion, soil structure destruction, and high CO2 emissions that always limit the development of the sintered brick field The study was carried out using an orthogonal experiment to derive the optimal mix ratio for Study on Preparation and Properties of Sintered Brick from Multi DOI: 101016/jconbuildmat2019 Corpus ID: ; Preparation, characteristics and mechanisms of the composite sintered bricks produced from shale, sewage sludge, coal gangue powder and iron ore tailingsPreparation, characteristics and mechanisms of the composite sintered
Experimental study on calcium carbide residue as a combined
2021年12月1日 Request PDF Experimental study on calcium carbide residue as a combined activator for coal gangue geopolymer and feasibility for soil stabilization This study investigates the use of calcium 2022年7月18日 Recycling municipal sewage sludge in fired bricks not only contributes to environmental protection, but is also an alternative to natural clay resource The complex compositions of sludge have a great influence on the brick property This work presents a systematical investigation on fired bricks made only with sludge and shale The Recycling of sewage sludge in clayfree thermal insulation brick 2023年3月30日 The present study carried out an environmental evaluation of impacts associated with the acetylene process via calcium carbide (CaC2) at the Sancti Spíritus Industrial Gases Company, CubaEnvironmental assessment of acetylene production process via calcium 2022年2月14日 AbstractThe diffusion and adoption of coal gangue sintered bricks can effectively relieve the negative impact of coal Assessment of Bond Strength of GFRP Bars Embedded in Fiber Hohhot , China; Jiangsu Key Laboratory of Environmental Impact and Structural Safety in Engineering, China Univ of Mining and TextileReinforced Mortar Strengthening of Masonry Piers
Preparation, characteristics and mechanisms of the composite sintered
2019年12月31日 When the glass powder content of the sintered brick is 10 wt%, with molding moisture of 20 wt%, molding pressure of 25 MPa, heating mode to directly raise the temperature to the target temperature 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 Experimental study on calcium carbide residue as a combined tion process of sintering bricks using coal gangue and clay, each unburnt brick weighs approximately 25 kg, containing 05 kg of coal gangue particles and 2 kg of clay and water Stringent quality control ensures that the water content and net caloric value of the unburnt bricks The unburnt bricks undergo a twostage heating phaseCarbon footprint and economic viability assessment of recycling 2018年1月10日 Life cycle assessment (LCA) considers the entire life cycle of a product, from raw material extraction and acquisition, through energy and material production and manufacturing (ISO 14040, 2006), to use and end of life treatment and final disposal (ISO 14044, 2006)Some scholars have examined the permeable pavement and sintered brick by means of Environmental and economic impacts assessment of concrete pavement
(PDF) Environmental life cycle assessment of cemented carbide
2018年10月1日 Flowchart for the typical nonChinese tungsten carbide with cobalt (WCCo) production CaWO 4 ¼ scheelite, (Fe,Mn)WO 4 ¼ wolframite, H 2 O ¼ water, W ¼ tungsten, Na 2 S ¼ sodium sulfide, Na 2 2022年12月1日 DOI: 101016/jconbuildmat2022 Corpus ID: ; Comprehensive performance study of aluminum ash and calcium carbide slag for brick making under ultrahigh pressure @article{Ren2022ComprehensivePS, title={Comprehensive performance study of aluminum ash and calcium carbide slag for brick making under ultrahigh Comprehensive performance study of aluminum ash and calcium carbide 2020年4月1日 However, there is still a significant amount of carbide lime sludge being landfilled and legacy ponds, which cause major environmental issues due to carbide lime sludge's high alkalinity (pH 124Exergybased resource consumption analysis of cement2024年8月5日 Recycling industrial solid wastes as building materials in the construction field exhibits great environmental benefits This study designed an ecofriendly nonsintered brick by combining multiple industrial solid wastes, including sewage sludge, fly ash, and phosphorus gypsum The mechanical properties, microstructure, and environmental impacts of waste Utilization of industrial wastes in nonsintered bricks Springer
Utilization of Spent FCC Catalyst as Fine Aggregate in Nonsintered
2021年4月1日 Quantitative environmental risk assessment for the utilization of a CNbrick on roads was carried out based on the leaching test of a toxicity characteristic leaching procedure (TCLP), NEN 7371 2022年9月15日 Coal gangue is one of the industrial solid wastes that may harm the human body through the ecosystem for a long time Using coal gangue in geopolymer preparation can effectively reduce cement output and meet the sustainability requirements In this paper, the physical and chemical characteristics, including the heavy metal content, of coal gangue from Activation Mechanism of Coal Gangue and Its Impact on theenvironmental impacts of major pollutants in acidic coal gangue is crucial for predicting soil–groundwater pollution and implementing eective protective measures Keywords Acid coal gangue Leaching pattern Pollution transport Environmental impact Introduction In the natural coal formation process, gangue isEnvironmental impact assessment of acidic coal gangue2021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 Experimental study on calcium carbide residue as a combined
Life cycle assessment and sustainable production evaluation of calcium
DOI: 101016/jjclepro2022 Corpus ID: ; Life cycle assessment and sustainable production evaluation of calcium carbide industry in China @article{Huo2022LifeCA, title={Life cycle assessment and sustainable production evaluation of calcium carbide industry in China}, author={Hailong Huo and Xun Liang Liu and Zhi Wen and Guofeng Lou and Ruifeng 2024年9月7日 The persistent reliance on coal has resulted in the accumulation of substantial coal gangue, a globally recognized problematic solid waste with environmental risks Given the coal gangue properties and global land degradation severity, the resourceful utilization of coal gangue as soil conditioners is believed to be a universally applicable, costeffective, high Opportunities, challenges and modification methods of coal gangue 2020年1月30日 The present study firstly proposed a reasonable way to deal with the large amount of iron ore tailings and coal gangue powder by making them as the sintered bricks with sewage sludge and shale as the binder, considering the advantages in both economic and environmental aspectsPreparation, characteristics and mechanisms of the composite sintered 2008年12月5日 Therefore, it has necessary to do Environmental Impact Assessment (EIA) of brick industry more with physical base It may help to solve soil related environmental problems grown by the industry(PDF) Environmental Impact Assessment of Brick Industry With
Mechanics, durability, and microstructure analysis of marine soil
Request PDF On Nov 1, 2023, Jianfeng Li and others published Mechanics, durability, and microstructure analysis of marine soil stabilized by an ecofriendly calcium carbide residueactivated 2022年8月1日 The utilization of such solid wastes as red mud (RM), carbide slag (CS), and fly ash (FA) in the production of environmentally friendly and cheap construction materials is a challenging taskPreparation of nonsintered lightweight aggregate ceramsite 2024年8月5日 The mechanical properties, microstructure, and environmental impacts of wastebased nonsintered bricks (WNBs) were investigated comprehensively The results revealed that WNB exhibited excellent Utilization of industrial wastes in nonsintered bricks: 2016年4月26日 The main objective of this paper thesis is to determine the environmental impact of two houses made of two alternative materialsa wooden and a brick houseusing a Life Cycle Assessment (LCA)(PDF) An Environmental Impact of a Wooden and Brick
Life cycle assessment of acetylene production from calcium carbide
2021年11月1日 Acetylene production processes include the calcium carbide, hydrocarbon cracking, and methane partial oxidation methods, etc (Kang et al, 2016)The calcium carbide method is a traditional and universally used acetylene production process; it is relatively simple, but is a large energy consumer and results in CO 2 emissions, which have a negative