CN209193567U
The utility model relates to desulfurizer regeneration in a kind of magnesium processes desulfurization while the devices of by-product sulphur, including magnesium sulfite warehouse, fluidized bed calcination unit, fluidized bed carbon thermal reduction unit and sulphur recovery unit, the fluidized bed calcination unit includes fluidized bed calcination furnace, calcining …
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DE19847940A1
Calcium sulfate is precipitated using recycled calcium chloride. The magnesium hydroxide is separated after adding calcium hydroxide. Treating water containing magnesium sulfate (MgSO4) comprises: (a) adding calcium chloride (CaCl2) as a solution or in solid form to form calcium sulfate (CaSO4) and magnesium chloride (MgCl2); (b) separating the precipitated …
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Production system of desulfurization product magnesium …
A technology of magnesium hydroxide and magnesium sulfate, applied in the direction of magnesium hydroxide, etc., can solve the problems such as the shadowed prospect of magnesium desulfurization, the large amount of magnesium sulfate produced by desulfurization, and the high difficulty of market digestion, so as to achieve convenient …
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Zero-emission Magnesium Hydrate Regeneration Recycle …
The present invention relates to a zero-emission magnesium hydrate regeneration recycle systme of steam-electric desulfurization equipment, which comprises …
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CN219984348U
Compared with the traditional wet desulfurization technology, the flue gas desulfurization mechanism for magnesium hydroxide regeneration has about 90 percent of desulfurization efficiency, and the method adopted by the utility model firstly depends on the natural alkalinity (HCO) in the seawater 3‑ And CO 3 2‑ ) Absorption of SO in flue ...
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The production process of homogeneous specialized magnesium …
After drying,magnesium sulfite and magnesium sulfate are roasted in the regeneration process to decompose them,resulting in magnesium oxide and the precipitation of sulfur dioxide.The roasting temperature has a significant impact on the properties of magnesium oxide,and the suitable roasting temperature for magnesium oxide regeneration is 660-870℃.
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Desulfurization Technology for Industrial Fuel Gases Using …
Fuel gas desulfurization is an important technological step toward achieving environmental neutrality in industrial production. The presence of sulfur compounds in fuel not only significantly increases the rate of corrosion processes, but also increases the amount of sulfur oxides in flue gases. Adsorption technologies are actively used to purify fuel. Materials …
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CN109264752A
The invention belongs to trade wastes to administer field, the present invention relates to the method and devices of desulfurizer regeneration in a kind of magnesium processes desulfurization while by-product sulphur, including magnesium sulfite warehouse, fluidized bed calcination unit, fluidized bed carbon thermal reduction unit and sulphur recovery unit, the …
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Experiment and Mechanism Analysis of Desulfurization with …
The magnesium oxide dry powder (90 wt %) and magnesium hydroxide slurry (10 wt %) were evenly stirred to granulate by rolling balls. Circular grains with a particle size of 3–5 …
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Magnesium oxide desulfurization technology
Magnesium oxide desulfurization technology is a desulfurization process with a maturity second only to calcium method. It involves the reaction of magnesium's alkaline oxide with …
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CN102151479A
The invention discloses a process for utilizing calcium magnesium mud waste to remove sulfur dioxide and equipment employing the process, which are characterized in that the process comprises the following steps: firstly, after impurities and large particles of calcium magnesium mud wastes generated at a brine water cleaning section are screened by a rotary screen, the …
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CN100488601C
The invention relates to a cyclic regeneration flue gas desulfurization method using magnesium compounds and ammonia. Firstly, the magnesium compounds and ammonia which is used as desulfurizer is made to be seriflux after mixed with water, and then is send to recycling tank and then to the thionizer using seriflux pump to absorb the sulfur dioxide therein via the …
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Magnesium Nanocomposite Hydrogel Reverses the …
Magnesium (Mg) nanocomposite hydrogel is developed to specifically tackle multiple factors involved in MRONJ. Mg-oxide nanoparticles tune the gelation kinetics in the reaction between N-hydroxysuccinimide-functionalized hyperbranched poly …
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Magnesium Desulfurization Technology
Magnesium Desulfurization Technology ... a dryer and other related equipment. The desulfurizing slurry in the desulfurizing tower is sent to the dehydration supply tank through the slurry discharging pump, and then the concentrated desulfurization by-product is conveyed to the hot air drier by the screw conveyor. By-products about 10% moisture ...
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Optimization of Desulfurization of 4 …
to be utilized in the process of regeneration and for the desulfurization activity to be increased. Layered double hydroxide (LDH) is a two- ... Magnesium nitrate hexahydrate (Mg(NO 3) 2·6H 2O), aluminum nitrate nonahydrate (Al(NO 3) ... spectrophotometer (EMC-18PC-UV) are the equipment/ instruments that are used to determine whether or not the
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Advancement of Environmental Sustainability: A …
Magnesium hydroxide, magnesium sulfate, and magnesium sulfite are all soluble in water, ensuring the safe and effective operation of the entire desulfurization system. Moreover, controlling the pH value between 6.0 to 6.5 in magnesium oxide desulfurization can mitigate equipment corrosion to a certain extent. In terms of chemical reactivity ...
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Simultaneous magnesia regeneration and sulfur dioxide …
A method was proposed to regenerate MgO from the magnesium gypsum, which was the desulfurization products in the Mg-based desulfurization process. Both a high …
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Summary Report: Sulfur Oxides Control Technology Series: …
The slurry reacts with SO2 to form magnesium sulfite (MgS03), which is then heated to regenerate MgO. The concentrated SO2 released during regeneration can be converted to …
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Recovery of magnesium from flue gas desulfurization …
1. Introduction. Sulfur dioxide (SO 2) is a main air pollutant released from coal-fired power plants [1].The limestone-gypsum process is widely applied in coal-fired power plants for the control of SO 2 emission due to its advantages of high desulfurization efficiency [2], stable operation [3] and good tolerance to different types of coals [4].In order to protect the system …
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CN202860398U
The flue gas desulfurization device disclosed by the utility model overcomes the defects that a conventional magnesium oxide washing-regenerating method has a complicated desulfurization process and needs high investment, the regeneration rate of the magnesium oxide is low, the energy consumption is high and the operation cost is high.
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Magnesia scrubbing process as applied to an oil-fired power …
@article{osti_7140739, title = {Magnesia scrubbing process as applied to an oil-fired power plant. Final report, Jun 1970--Jun 1974}, author = {Koehier, G and Burns, J A}, abstractNote = {The report gives results of a full size demonstration of the magnesia wet-scrubbing system for flue gas desulfurization on an oil fired, 150 MW generating unit.
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JP6293977B2
JP6293977B2 JP2017516022A JP2017516022A JP6293977B2 JP 6293977 B2 JP6293977 B2 JP 6293977B2 JP 2017516022 A JP2017516022 A JP 2017516022A JP 2017516022 A JP2017516022 ...
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CN102886199A
The invention belongs to the technical field of atmospheric environment protection, and particularly relates to a flue gas desulfurization device and desulfurization method by a magnesium oxide process. The invention provides a reaction tank using a circulation-oxidization integrated structure in a desulfurization process, and adds clear liquid return, filtrate recovery …
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CN1974430A
CN1974430A CN 200610098180 CN200610098180A CN1974430A CN 1974430 A CN1974430 A CN 1974430A CN 200610098180 CN200610098180 CN 200610098180 CN 200610098180 A CN200610098180 A CN 200610098180A CN 1974430 A CN1974430 A CN 1974430A Authority CN China Prior art keywords magnesium absorption liquid waste gas desulfurization fluoride …
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CN212492410U
The utility model discloses a flue gas desulfurization waste salt regeneration facility belongs to coke oven flue gas processing technology field. Comprises a sodium bicarbonate generating device, an ammonium sulfate generating device and an ammonium bicarbonate recycling device; the sodium bicarbonate generating device comprises a desulfurization waste salt storage …
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CN101574619A
The invention relates to a flue gas desulfurization process through a calc-alkaline regeneration magnesium sulfite cycle absorption method, which comprises the following steps: introducing flue gas containing sulfur dioxide into an absorption tower continuously, absorbing the sulfur dioxide in the flue gas circularly by using magnesium sulfite absorption liquid to convert magnesium …
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Recent advances in process and materials for dry …
A method for regenerating MgO from magnesium gypsum, a desulfurization by-product of the magnesium-based desulfurization process, was proposed. The exhaust gas contained a high concentration of SO 2, and the regenerated MgO exhibited enhanced desulfurization activity.
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Characteristics of magnesium desulphurization technology
For the magnesium oxide desulfurization technology, the subsequent treatment is more perfect, the regeneration of SO2, to solve the problem of secondary pollution.
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Desulfurization Regeneration Catalyst Activated Carbon …
Claus Tail Gas Hydrogenation Catalyst... 1.Claus tail gas hydrogenation catalysts for coal...
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International Journal of Chemical Kinetics
Combined with the kinetic model, it is inferred that the rate of sodium thiosulfate inhibiting ammonium sulfite oxidation is controlled by the intrinsic chemical reaction. The results can provide a reference for the regeneration of ammonium sulfite in the wet ammonia desulfurization process.
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