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·The specific surface area of steel slag is generally between 300 and 500 m 2 /kg when it is used as a mineral admixture for cement or concrete production Some studies showed that in this range increasing the specific area of steel slag was beneficial to its activity [26] [27] [28] It is interesting to know the activity of steel slag with even higher specific surface area
·On this basis steel slag and slag composite micro powder SSCM technology was proposed which realized the high added value and utilization rate of steel slag in industrial applications With the rapid growth of the metallurgical industry there is a significant increase in the production of metallurgical slags The waste slags pose
·DOI / Corpus ID 246953801; Study on preparation of supplementary cementitious material using microbial CO2 fixation of steel slag powder article{Zhang2022StudyOP title={Study on preparation of supplementary cementitious material using microbial CO2 fixation of steel slag powder} author={Xiao Zhang and Chun
·Modification of magnesium phosphate cement with steel slag powder and ground blast furnace slag Mechanism of hydration and electrical conductivity the acidic component was of analytical grade and supplied by Shanghai Haohong Biomedical Technology Co Borax B and sodium tripolyphosphate STP were manufactured by Yingkou Liaobin Chemical
·The quality of raw materials iron ore coal and coke has a clear impact on the carbon emissions of the hot metal production in steel making So far very little work has been done to measure and quantify this impact Yet for benchmarking technology choice and general carbon optimization are important elements The total slag production of a blast furnace gives
·Matte smelting is the main method for copper production and about 2 tons of slag bearing 30% 40% iron % 2% copper and 25% 30% silicon dioxide generates per ton of copper The powder samples after reduction were leached in water for 30 mins with a liquid solid ratio of 10 1 during which an ultrasonic oscillator was introduced to
·Mineral process wastes such as metallurgical slags nowadays are of significant metals and materials resources in the circular economy The usability of iron making slag is well established; however steel slag still needs to be utilized due to various physicochemical constraints In this context we have reviewed the global steel slag
·Effect of steel slag powder and stone powder by product from manufactured sand on the mechanical properties and microstructure of cementitious materials This work was supported by the Foundation of Science and Technology Department of Fujian biomass ash and granite powder for production of self compacting concrete J Clean Prod 266
·International Journal of Coal Science & Technology Fine slag FS is an unavoidable by product of coal gasification Chai S 2021 Industrial hydrogen production technology and development status in China a review Clean Technol Environ 23 7 1931 1946 2016 Characterization of hydrogenated graphite powder by X ray photoelectron
·Annually more than 400 Mt of metallurgical slags are produced worldwide [1 2 3 4 5] From the annual Cu concentrate smelter production capacity which is equal to around 21 Mt of copper metal in 2021 it can be estimated that more than 45 Mt of CUS were produced from primary sources assuming a slag to copper ratio of [3 4] Only 15% of the CUS
·The slag can form powder after grinding When the specific surface area of slag powder is more than 400 m 2 /kg the strength of the cement is obviously enhanced [1] So how to ensure the quality and yield of slag powder has been an important issue Slag powder is a multivariate strongly coupled and nonlinear process
Carbon dioxide sequestration using steel slag—modeling and experimental investigation Smitha Gopinath Anurag Mehra in Carbon Dioxide Sequestration in Cementitious Construction Materials 2018 Introduction Steel slag is an industrial waste that is generated during the production of steel In the production of steel oxides of metal impurities in the iron combine
·The recovery of silicon from cutting kerf loss slurry waste for the polycrystalline silicon production has been becoming a meaningful and urgent issue In this paper a united method of combining electromagnetic separation and slag treatment technology was used to separate and purify silicon from silicon kerf
·So far carbon dioxide sequestration by steel slag carbonization has been widely studied by many scholars Ding et al [8] proposed a new linear programming model to evaluate the economic cost of carbon dioxide capture and storage in Chinese steel plants and believed that the adoption of carbon capture and storage technology in steel plants could obtain
Tang M 1973 An investigation on mineral composition of steel slag for cement production 1999 The slag air quenching technology Proc Int Symp on the Utilization of Metallurgical Slag Beijing 434 437 Google Scholar Zhu G and Sun S 1999 Current situation and trend of iron and steel slag utilization in
·1 Introduction Coal is the world s largest fossil strategic energy reserve and mining and utilization technologies are constantly innovating Driven by carbon neutral and carbon emission reduction policies the clean utilization technology of coal has also achieved continuous breakthroughs [1 2] Coal gasification is the core process for coal to produce syngas products
·CHAENG Great Wall Machinery can undertake 20 tons million tons of Blast furnace slag/Steel slag/Nickel slag/Manganese slag powder production EPC projects Up to now CHAENG has constructed more than 100 slag
·CIESC Journal ›› 2021 Vol 72 ›› Issue 2 1107 1115 DOI / • Energy and environmental engineering • Previous Articles Next Articles Properties analysis of dry process calcium carbide slag and study on acetylene gas
·PRODUCTION TECHNOLOGIES AND OPERATION The Fourteenth International Ferroalloys Congress May 31 June 4 2015 Energy efficiency and environmental friendliness are the future of the global Ferroalloy industry Kiev Ukraine 166 Slag Atomising Technology Unlocking Real Value S Mostaghel1 M Cramer1 S Faucher1
·The Kroll process used for most commercial titanium powder production is energy intensive non eco friendly and costly Titanium alloy production technology market prospects and industry development Mater Des 2011 Direct reduction of upgraded titania slag by magnesium for making low oxygen containing titanium alloy hydride powder
Steel slag is a byproduct generated during the steelmaking process As the largest steel producer in the world China produces over 100 million tons of steel slag annually accounting for approximately 15 20% of crude steel production Rui et al 2022 Shi et al 2022 After steelmaking the slag is placed in a slag heap and subjected to magnetic separation to recover
·On this basis steel slag and slag composite micro powder SSCM technology was proposed which realized the high added value and utilization rate of steel slag in industrial applications
