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The calcination of dolomite has been studied as a function of temperature, particle size, and Pco2. An investigation concerning possible mass transfer restrictions for the experimental system …
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Dolomite is an important industrial raw material for the production of metal magnesium. However, the calcination of dolomite is a typical pollution-intensive industry and is one of the major contributors to CO 2 emissions in China. The requirements of energy conservation and environmental protection are driving the development of new calcination …
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Calcination of dolomite was carried out by using furnace with heating rate of 10 °C/minute in an air atmosphere. The different temperature of calcination was varied at 400 °C, 600 °C, 800 °C ...
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The calcination of dolomite has been studied as a function of temperature, particle size, and P co 2. An investigation concerning possible mass transfer restrictions for the experimental system and a model investigation of the calcination rate in CO 2 atmosphere has been made. Further, the effect of calcination on the BET surface and the BET ...
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Dolomite is a rhombohedral, ordered, double Ca, Mg carbonate (CaMg (CO 3) 2) commonly occurring in sedimentary and metamorphic rocks. Its structure is closely related to that of …
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New designed dolomite calcination kiln. Enhanced structural design: Modern dolomite calcination kilns for dolomite calcination are typically designed with longer and larger diameters to increase processing capacity and optimize material flow. The kiln's lining materials are usually high-temperature refractory bricks or wear-resistant ...
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Dolomite is a medium-value and economic type of sedimentary stone that forms entire layers. It is also a flux stone, meaning it can be used in the production of pig iron and steel.Additionally, it is magma safe, with an extremely high melting point of 16507 °U.It is pale pink with premium graphics or white with classic graphics.. In fact, dolomite has the highest melting point of all …
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This is due to the fact that the decay in the specific surface with cycling is stronger if triggered calcination is applied on calcined dolomite instead of on fresh sorbent. If triggered calcination is used sequentially every 5 cycles (as shown in Table 4), an increase in the CO 2 capture performance is observed in the regeneration cycle ...
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Calcination of dolomite is a thermal treatment process for carrying out the thermal decomposition of the raw dolomite and removal of LOI (loss on ignition) or carbon di-oxide (CO2) part of its composition. Calcination process is an endothermic reaction and is carried out in the solid state. High quality dolomite generally contains around 40 % ...
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Dolomite is a mineral and a rock-forming mineral that is composed of calcium magnesium carbonate (CaMg(CO3)2). It is named after the French mineralogist Déodat Gratet de Dolomieu, who first described its properties in …
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Dolomite is the name for a mineral composed of calcium magnesium carbonate (CaMg (CO 3) 2) and for a sedimentary rock that has this mineral as its chief constituent. The rock was given this name first, but to avoid confusion it is …
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Sintered dolomite, also known as dead-burned dolomite, is produced by high-temperature calcination of raw dolomite, between 1,400 and 1,800 degrees, in a vertical furnace. During this process, the dolomite …
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The calcination of dolomite took place in a two-steps-process at high partial pressure of CO 2, in which CaMg(CO 3) 2 was first decomposed to MgO and CaCO 3 in the temperature range of 780‒800 °C, and then the decom-position of CaCO 3 to CaO carried out at 880‒900 °C. On the other hand, the calcination of dolomite occurred in one
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Dolomite is an important material in various industries such as the pharmaceutical industry, metallurgy, the production of paper, inorganic binders, concrete, fertilizer, refractory bricks, water treatment, absorption of heavy metals, etc. [8,9,10]. The calcination of dolomite is used to transform this mineral into magnesium and calcium oxides.
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Dolomite is a common rock-forming mineral. It is a calcium magnesium carbonate with a chemical composition of CaMg (CO 3) 2. It is the primary component of the sedimentary rock known as dolostone and the metamorphic rock known as …
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The calcination of dolomite has been studied as a function of temperature, particle size, and P-CO2. An investigation concerning possible mass transfer restrictions for the experimental system and a model investigation of the calcination rate in CO2 atmosphere has been made. Further, the effect of calcination on the BET surface and the BET ...
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Dolomite, the rock, contains a large proportion of dolomite the mineral. Ideal dolomite has a crystal lattice consisting of alternating layers of Ca and Mg, separated by layers …
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The calcination of dolomite has been studied as a function of temperature, particle size, and P co 2. An investigation concerning possible mass transfer restrictions for the experimental system and a model investigation of the calcination rate in CO 2 atmosphere has been made. Further, the effect of calcination on the BET surface and the BET ...
WhatsApp: +86 18221755073
When it is calcined, dolomitic limestone requires higher temperatures to form dolomitic quicklime or dolime than calcium limestones. Dolime is used in applications such as steel and glass …
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A lower calcination temperature of dolomite (1200 °C) determines a high increase in the system temperature when calcined dolomite is mixed with KH2PO4 (MKP) solution and also a rapid expansion of ...
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