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DOI: 10.1016/j.jece.2022.108099 Corpus ID: 249716370; Hydrothermal recovery and reuse of oxidated by-products in magnesium flue gas desulfurization: Experimental studies and molecular dynamics simulation
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Luo et al. (2019) recovered P via struvite crystallization by ultrasonic and aeration/magnesium oxide desulfurization waste residue (MDWR) addition combination process at pH 9.5, magnesium oxide ...
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In the chemical industry, the manufacture of magnesium and magnesium chemicals such as magnesium sulfate, magnesium oxide and other industrial products; 8. Also used in water treatment, flue gas washing …
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In the chemical industry, the manufacture of magnesium and magnesium chemicals such as magnesium sulfate, magnesium oxide and other industrial products; 8. Also used in water treatment, flue gas washing and in the glass, dye, cable, silicon steel industry, uranium processing electronics industry, insulation materials industry, as well as in ...
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Paul Wurth's Entrained Flow Absorber (EFA) technology for waste gas treatment is ideal for sinter plant desulfurization, dedusting and dedioxination, as it fulfills the strict environmental ...
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Synergistic effect of the parameters affecting wet flue gas desulfurization using magnesium oxides by-products. Chem Eng J 2015; 262: 268–277. 10.1016/j.cej.2014.09.085 Search in Google Scholar Dou B, Byun Y-C, Hwang J. Flue gas desulfurization with an electrostatic spraying absorber.
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This paper presents a novel magnesium-based wet flue gas desulfurization (FGD) process in which sodium thiosulfate is used to inhibit the oxidation of …
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Flue gas desulfurization (FGD) technologies are applied to minimize SO2 emission to the atmosphere and prevention of acid rains. Magnesium oxide (MgO) is one of the common sorbents to capture ...
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Desulfurization wastewater is industrial wastewater with a high salt content, high metal ions, and high hardness produced by flue gas desulfurization of the limestone-gypsum method in coal-fired power plants. This paper summarizes the source of desulfurization wastewater, water quality characteristics, water quality impacts, and …
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This study presents a method to remove SO 2 from the sintering flue gas in a dry environment and explores the mechanism of the action between the MgO-based …
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5. Magnesium Oxide Desulfurization . China boasts a rich reserve of magnesium oxide, with approximately 16 billion tons identified, accounting for about 80% of the world's total. The most significant advantage of magnesium oxide desulfurization over calcium-based methods is that it prevents scaling and blockage in equipment.
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The byproducts of flue gas desulfurization using magnesium (Mg) oxides in aqueous environment are hard to utilize. In order to study the potential of using Mg desulfurization byproducts for the ...
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Magnesium oxide (MgO) is one of the common sorbents to capture sulfur dioxide in FGD. Pore blockage and incomplete conversion are the main problems of …
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Magnesium Oxide Flue Gas Desulfurization: Flue Gas Desulfurization Process: The process, form, and mechanism of wet flue gas desulphurization in various countries are almost the same, mainly using limestone (CaCO3), lime (CaO) or sodium carbonate (Na2CO3) and other grout as detergent to wash the flue gas in the reaction tower, so as …
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Control and Treatment of Air Emissions. Shahryar Jafarinejad, in Petroleum Waste Treatment and Pollution Control, 2017. 5.1.5 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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Introduction. In the industrial production of China, the processing of phosphate rock, volcanic eruptions, kerosene combustion and aluminum smelting will lead to flue gas emissions containing a large amount of SO 2.SO 2 is a highly irritating gas. Because SO 2 is freely soluble in water and enters the respiratory tract, it can generate …
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A large volume of highly concentrated magnesium salt solution is produced during magnesium flue gas desulfurization. Existing method of concentration recovery …
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Flue gas desulfurization (FGD) technologies are applied to minimize SO2 emission to the atmosphere and prevention of acid rains. Magnesium oxide (MgO) is one of the common sorbents to capture sulfur dioxide in FGD. Pore blockage and incomplete conversion are the main problems of sorbents such as CaO and MgO. In this study, acid …
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The process of hot metal desulfurization by magnesium, reduced by the heat from exothermic reactions, has been investigated. Our research into the thermodynamics of magnesium oxide reduction in ...
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An industrial demonstration unit using natural gas as a heat source was built to calcine the by-products of MgO wet flue gas desulfurization from power plants; influencing factors on the SO2 ...
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Magnesium Oxide, or Magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium. It has an empirical formula of MgO and consists of a lattice of Mg²⁺ ions and O²⁻ ions held together by ionic bonding. In the water treatment industry, Magnesium Oxide can be used for various applications. It can …
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A multi-pollutant treatment technology system of desulfurization, denitrification, and dust collection, which applies to key industries such as power plants, steel, and building materials, has ...
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The primary by-product of Magnesium Oxide for desulfurization in power plants is magnesium sulfate, because the reaction product of flue gas desulfurization is magnesium sulfite and magnesium sulfate, and the comprehensive utilization value is high. On the one hand, we can carry out forced oxidation to produce magnesium …
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The aim of this research work was to assess the desulfurization capacity of some of these magnesium oxide by-products. In particular, the study will focus on the …
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The desulfurization rate (Ds) of SFGDA is defined by the weight change during heat treatment: (2) D s = (1-T S 1 × m 1 T S 0 × m 0) × 100 % where T S0 is the S content in the raw material before calcination, wt%; T S1 is the S content in the raw material after calcination, wt%; D S is the SFGDA desulfurization rate, %; m 0 is the mass of the ...
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There are two recovery modes for the by-products of magnesium oxide desulfurization. First, by inhibiting the oxidation of magnesium sulfite and calcining and …
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3 - Flue-gas desulfurization products and other air ... glutaric, and succinic acids), formic acid, sodium formate, and magnesium oxide or carbonate. Most of these additives can be used in either inhibited or forced oxidation FGD systems, but magnesium (e.g., Mg-lime) is generally used only in inhibited or low natural oxidation systems, as ...
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In the chemical industry, the manufacture of magnesium and magnesium chemicals such as magnesium sulfate, magnesium oxide and other industrial products; 8. Also used in water treatment, flue gas washing and in the glass, dye, cable, silicon steel industry, uranium processing electronics industry, insulation materials industry, as well as in ...
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Numerous mitigation techniques have been incorporated to capture or remove SO2 with flue gas desulfurization (FGD) being the most common method. Regenerative FGD method is advantageous over other methods due to high desulfurization efficiency, sorbent regenerability, and reduction in waste handling. The …
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Like the metal oxide type adsorbent, adsorptive desulfurization with zeolites involves π complexation, sulfur-metal, and acid-base interactions. The selective adsorption of sulfur compounds in the presence of aromatics and nitrogen compounds is challenging as they have similar structures and adsorption energies [ [63] …
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