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·Semantic Scholar extracted view of "Subcritical hydrothermal oxidation of semi dry ash from iron ore sintering flue gas desulfurization Experimental and kinetic studies " by Yi fan Wang et al Skip to search The low temperature wet oxidation behavior of semi dry desulfurization ash from iron ore sintering flue gas in ammonium citrate
·In iron and steel industry sintering process releases large amount and different kinds of pollutants Most sintering plants had applied the dust removal system and the flue gas desulfurization FGD system for exhaust treatment in China Previous studies of FGD systems were focused on the removal of air pollutants from coal fired boiler rather
·Owing to the advantages such as a high desulfurization efficiency and proper adaptation to various types of coal wet flue gas desulfurization WFGD has been widely adopted More than 80% of the power plants in China are using WFGD as their main method for desulfurization Wang and Hao Citation 2012
·the desulfurization of iron concentrate [10] Nakhaei and Irannajad studied the desulfurization of iron ore tailing of the Gol e Gohar Complex using gravity and magnetic separation followed by reverse flotation A final concentrate with the iron content of % and sulfur content of % was achieved [11]
·Direct application of high sulfur fuels and ores can cause environmental pollution such as air pollution and acid rain and in serious cases endanger human health and contribute to property damage In the background of preserving the environment microbial desulfurization technologies for high sulfur fuels and ores are rapidly developed
·Installing desulfurization operations and closing outdated facilities can effectively decrease pollutant emissions from iron ore sintering plants IOSPs Polybrominated dibenzo p dioxin and dibenzofuran PBDD/F emissions from different sized IOSPs with different desulfurization operations were analyzed
·Microbial desulfurization strains have strict environmental requirements the strain efficiency is low and the reaction cycle is long Wet desulfurization is a flexible and effective method but usually requires the consumption of precipitants/oxidants which may introduce new impurities into the digestion liquor
·Already in the 1970s and 1980s the COREX process was developed In this process coal to replace the majority of coke is used to create CO and H 2 to reduce the iron ore and melt the iron By its more efficient energy utilisation less CO 2 per tonne of HM is produced Worldwide a few commercial COREX plants were built but their HM
·The iron ore sample was collected from magnetic separators concentrate stream of Gole Gohar iron ore complex with d80 equal to 90µm Sulfur and total Fe contents of the sample were found to be 0
·A comprehensive random pore model kinetic study of hematite to iron reduction by hydrogen M Khani H Ale using manganese carbonate ore desulfurization MCO FGD is a promising route that combines economic In process control of manganese dithionate in the manganese ore based wet flue gas desulfurization coupled
·Wet flue gas desulfurization FGD is the most prevalent SO 2 air emission control technology from the emissions of coal fired power plants Liu et al 2020 Due to the excessive use of chemical agents limestone gypsum ammonia in the flue gas treatment process a flow rate of m 3 / MW·h was estimated in CFPPs based
·Abstract In order to address the problems occurred during the wet desulfurization process for sintering vanadium titanium bearing iron ore some measures had been taken such as dismounting all flue gas bypass ducts optimizing individual system operating parameters and Ca/S molar ratio reducing the failure rate of mist eliminator and
·Semantic Scholar extracted view of "Effect of iron ore tailings industrial by product as eco friendly aggregate on mechanical properties pore structure and sulfate attack and dry wet cycles resistance of concrete" by K Liu et al To realize the recycling of iron tailings powder IP and desulfurization ash DA and reduce the high
·Installing desulfurization operations and closing outdated facilities can effectively decrease pollutant emissions from iron ore sintering plants IOSPs Polybrominated dibenzo p dioxin and dibenzofuran PBDD/F emissions from different sized IOSPs with different desulfurization operations were an
·A comprehensive random pore model kinetic study of hematite to iron reduction by hydrogen M Khani H Ale using manganese carbonate ore desulfurization MCO FGD is a promising route that combines economic In process control of manganese dithionate in the manganese ore based wet flue gas desulfurization coupled
Desulfurization using thermal decomposition is a side process in iron ore sintering where the iron ore concentrate turns to roasted pelletized iron ore and this has been considered by many researchers [55 59] All the reactions associated with pellet desulfurization may be divided into four steps the dissociation of sulfides; their oxidation
Subcritical hydrothermal oxidation of semi dry ash from iron ore sintering flue gas desulfurization Experimental and kinetic studies Yi fan Wang T Yang 4 authors C Xu Iron leaching from fly ash has been investigated under simulated ammonia based wet flue gas desulfurization conditions to determine the effects of the reaction
·Iron ore desulfurization is the process of removing sulfur from iron ore that contains sulfur compounds Sulfur is a common impurity in iron ore and the presence of sulfur compounds can adversely affect the ironmaking process and product desulfurization is an essential link in the iron ore pretreatment process
Wet flue gas desulfurization FGD is a method in which an alkaline aqueous solution or slurry is used to absorb SO2 from flue gas From Lanthanides 2023 investigated the methods of depressing NO x and SO x formation in iron ore sintering rather than treating the waste gases and concluded that urea was a potential additive for in bed de
·The low temperature wet oxidation behavior of semi dry desulfurization ash from iron ore sintering flue gas in ammonium citrate solution was investigated for efficiently utilizing the low quality
·For dry off gas desulfurization by chemisorption in iron ore sinter plants hydrated lime is usually used as reactant In some other off gas cleaning applications with a gas temperature above 140
·Installing desulfurization operations and closing outdated facilities can effectively decrease pollutant emissions from iron ore sintering plants IOSPs Polybrominated dibenzo p dioxin and dibenzofuran PBDD/F emissions from different sized IOSPs with different desulfurization operations were an
·BFD originates from the process of blast furnace ironmaking and is a perilous solid waste obtained in the secondary dust removal of blast furnace flue gas Halli et al 2018 BFD is enriched in Zn and Fe with varying amounts of manganese Mn calcium Ca magnesium Mg silicon Si and chromium Cr Omran and Fabritius
·DOI /IE2014372 Corpus ID 102074305; Reaction Kinetics and Mechanism of Iron II Induced Catalytic Oxidation of Sulfur IV during Wet Desulfurization article{Zhang2012ReactionKA title={Reaction Kinetics and Mechanism of Iron II Induced Catalytic Oxidation of Sulfur IV during Wet Desulfurization} author={Yu Zhang and Ji ti
Control and Treatment of Air Emissions Shahryar Jafarinejad in Petroleum Waste Treatment and Pollution Control 2017 Flue Gas Desulfurization Flue gas desulfurization FGD is a scrubbing technique that uses an alkaline reagent typically a sodium or calcium based alkaline regent to remove SO 2 from flue gas Tri State
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