The dry production design is adopted, but the production line is equipped with environmental protection devices such as dust removal and silencer, which effectively reduce pollution such as dust and noise, fully comply with national environmental protection standards, easily pass environmental impact assessment standards, and achieve both economic and environmental benefits.
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The 200-ton granite crushing and sand making production line solution adopts the overall operating principle of "more crushing and less grinding", and has the characteristics of high efficiency and good finished products.
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On site, only the road surface requires leveling and compacting to establish working conditions, eliminating the necessity for cement foundation leveling and hardening. This significantly reduces the project's construction material costs.
The iron ore is evenly fed by TSW1139 feeder into HJ98 high-efficiency jaw crusher for coarse crushing. After that, the materials would be sent into CS160 cone crusher for secondary crushing.
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— Carbon mineralization technology has emerged as a promising method for permanently sequestering CO 2 by transforming it into a thermodynamically stable solid carbonate material Recently alkaline industrial waste particularly from steel and iron making processes has been identified as a proper feedstock due to its high potential for
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— Desulfurization performance of La/MCM 41 was evaluated by preparing different weights of lanthanum on mesoporous MCM 41 by incipient wetness impregnation method and ion exchange using lanthanum nitrate hexahydrate precursor in order to investigate the effect of lanthanum on the desulfurization efficiency of the sorbent
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— 1 Introduction Sulfur containing compounds in transportation fuels are converted by combustion to SO x which is a major source of acid rain and air pollution [] For environmental protection purposes many countries have mandated a reduction in fuels sulfur level down to 10 ppm by 2009 [2 3] and with more and more stringent regulatory
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— This paper briefly introduces various methods of coal desulfurization physical desulphurization chemical desulfurization biological desulfurization etc and analyzes some problems existing in each method The principle and research process of friction electrostatic separation technology and high gradient magnetic separation
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— With the increased requirements for fully using carbon resources and removing H 2 S from flue gas chelated iron wet desulfurization technology has gained popularity due to the advantages of high desulfurization efficiency stable reaction and low desulfurization cost etc In this review the current commonly used chelates iron
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The invention provides a sodium calcium dual alkali flue gas desulfurization method and system The method comprises the steps of flue gas desulfurization and sodium based desulfurizer regeneration; in the flue gas desulfurization step a sodium hydroxide solution is adopted as a desulfurization starting agent the prepared sodium hydroxide solution is
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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
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— This work was focused on the removal of sulfur compounds via adsorption process from heavy naphtha using alkali agents activated carbon nanotubes ACNTs
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— An integrated and effective method to realize simultaneous desulfurization and denitrification by the Spray Dryer Absorption SDA method combined with the NaClO 2 was carried out in this paper The optimum conditions on desulfurization were verified as well as the cooperative effect and removal mechanism between SO 2 and NO was
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— The desulfurization efficiency of mixed acidophilic microbiota was % after 30 days which was higher than that of A ferrooxidans % A large amount of jarosite was deposited on the surface of iron concentrate under the oxidation of A ferrooxidans And the formation of passivation layer reduced the desulfurization efficiency
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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 form Skip to main a high efficiency and low temperature method for large scale processing Lincheng Liu Xiao hui Fan 4 authors
— Desulfurization methods for low concentration sulfur dioxide flue gas such as the limestone method [4] sodium alkali method [5] [6] double alkali method [7] zinc oxide method [8] ammonia fertilizer method [9] and ammonia acid method [10] have been developed Among them the ammonia acid method has the advantages of high
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— 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
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— During sintering iron ore pulverized coal anthracite and lime blast furnace dust mill scale and steel slag are blended in a certain proportion and heated it can be removed via absorption and desorption usingwater or alkaline substances in the desulfurization system The oxidation absorption denitration technique mainly combines
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— Experimental and numerical study on effects of deflectors on flow field distribution and desulfurization efficiency in spray towers Fuel Processing Technology 2017 162 1 12 44 Dong Xie Haiming Wang Dongwu Chang
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The deep desulfurization method of sintering flue gas based on the low temperature oxidation method is studied Based on the analysis of the main principle of deep desulfurization of sintering flue gas a deep desulfurization system of sintering flue gas is constructed which is composed of an absorption washing unit and a washing solution
— No 2 Oxidation inhibition of sultitc in dual alkali flue gas desulfurization system 231 RST scrubber test shows that the sodium thiosulfate can enhance the desulfurization efficiency in dual alkali FGD system and the consumption rate of thiosulfate is in well agreement wilh experimental results approximately mmol NaTSiOj/mol SO
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— The flow of the dry desulfurization process is simple and the desulfurization efficiency is over 85% Semi dry desulfurization reaction is carried out via gas solid and sea water desulfurization and the double alkali method The two most common wet desulfurization processes are the limestone/lime gypsum wet FGD process and the flue
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— A typical of the high sulfur iron ore from Inner Mongolia China iron grade of % and sulfur content is % the main metal mineral in the ore is magnetite followed by magnetic pyrite
— 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
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— The double film theory was utilized to simulate the heat and mass transfer processes of desulfurization slurry droplets Additionally this study conducted a comprehensive analysis of various factors affecting gas solid flow and mass transfer processes including flue gas inlet velocity and temperature Ca/S molar ratio slurry
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The deep desulfurization method of sintering flue gas based on the low temperature oxidation method is studied Based on the analysis of the main principle of deep desulfurization of sintering flue gas a deep desulfurization system of sintering flue gas is constructed which is composed of an absorption washing unit and a washing solution
— 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
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— Thus during the last years the tightening of emission control policies has fostered the research over more efficient and sustainable removal technologies The aim of this review is to present as extensive as feasible the origin and development of flue gas desulfurization FGD technology especially of the wet type using alkaline agents
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— The results show that the sodium alkali waste gas washing and desulfurization technology has a good desulfurization efficiency The desulfurization efficiency under different loads is more than 99% and the maximum is % which meets the desulfurization requirements of the national heavy oil exhaust gas treatment system
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— Manganese ore based wet flue gas desulfurization MFGD is a resourcing technology capable of simultaneously reutilization flue gas sulfur dioxide SO2 and green low carbon manganese leaching
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— 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°C sodium bicarbonate is used instead of hydrated lime An advantage of sodium bicarbonate is the higher desulfurization efficiency Additionally
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— 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
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