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The invention provides a method for dephosphorization and desulphurization in the process of steel production in an induction furnace, which is characterized by comprising the following steps of: during the smelting period and the initial period of total meltdown of charging materials, controlling the temperature of molten steel to below 1,450 EDG C, performing
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Biogas, one of renewable energies, is a key element necessary for a carbon-neutral policy and to build a hydrogen economy. In order to utilize biogas, impurities of biogas such as moisture, hydrogen sulfide(H2S), siloxanes, and VOCs should be removed. In particular, since H2S causes corrosiveness of equipment by sulfur oxides, and is harmful to the human body if leaked, it is a
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0183;Biogas, one of renewable energies, is a key element necessary for a carbon-neutral policy and to build a hydrogen economy. In order to utilize biogas, impurities of biogas such as moisture, hydrogen sulfide(H2S), siloxanes, and VOCs should be removed. In particular, since H2S causes corrosiveness of equipment by sulfur oxides, and is harmful to the human[سؤال
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Energy production is one of the most pressing issues of modern times. Economic activity and energy usage are intimately linked. Shiraishi et al. 109–111 accomplished desulfurization of sulfur compounds such as DBTs and BTs with alkylating agents, Eber et al. 211 proposed design of industrial equipment for deep desulfurization of oil
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0183;Calcium-based desulfurization ash (CDA) is mainly produced in dry and semi-dry flue gas desulfurization processes. The property of CDA is extremely unstable because its main component, calcium sulfite, makes it difficult to be directly applied to the field of building materials. The modification of desulfurization ash can be realized by high-temperature oxidation and wet[سؤال
0183;Moreover, the equipment is equipped with an advanced dust collector, achieving a dust removal efficiency of over 99.99%, enabling virtually dust-free operation. Limestone-gypsum wet desulfurization process first requires the production of a desulfurization agent. The desulfurization agent is typically composed of limestone powder, with the[سؤال
0183;The proper selection of equipment type, choice of absorbent reagent, and adjustment to the production process parameters — such as temperature, flow rate, and composition of the exhaust mixture — are crucial for achieving high efficiency in[سؤال
0183;Iron oxide is commonly used as a desulfurization agent in dry desulfurization systems (Tan et al., 2017). The main components with desulfurization properties are α-Fe 2 O 3, β-Fe 2 O 3, and γ-Fe 2 O 3, in which the iron oxide lattice is destroyed for sulfide removal (Lim and Ong, 2021).Ayala et al. (1995) reported that iron oxide desulfurizers of different sizes[سؤال0183;The semi-dry method, favored for its simplicity, minimal equipment corrosion, lack of wastewater production, operational stability, low investment, compact footprint, and reduced water usage, is the predominant approach for sintering flue gas desulfurization [5]. However, this process results in a solid by-product: DA.&سؤال
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We have produced and sold 32347 tons of high-performance desulfurizers and 12500 tons of medium to low sulfur capacity desulfurizers. It is currently the company with the largest production capacity of high-performance desulfurization agents in the world.
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0183;Detailed information: This dry desulfurization system is a standardized biogas purification process specially designed and manufactured by our company according to the H 2 S content in biogas, the required service life span and other relevant data. The dimensions and internal structure of desulfurization equipment vary with the type of gas, gas pressure and[سؤال
0183;Sulfur dioxide (SO 2) is one of the primary pollutants in flue gas produced by the metallurgical and chemical industries [1].In some metal smelters, ammonia desulfurization to prepare ammonium sulfate ((NH 4) 2 SO 4) is an effective way to realize flue gas desulfurization.The obtained product (NH 4) 2 SO 4 is a necessary chemical by-product with[سؤال
0183;In the context presented here, this paper aims to search the literature for the best technology or process for biogas desulfurization, considering the H 2 S removal efficiencies, the tolerated inlet concentration of the pollutant, and the duration of the process, amongst others. In addition, the analysis included the likelihood of a decrease in methane concentration of the[سؤال
0183;300,000 TPY Desulfurization Agent Production Plant. Raw Material. Limestone. Capacity. Annual output of 300,000 tons. Feed Size ＜30mm. Output Size. 325mesh, D90. Application. Reasonable equipment design saves floor space and reduces investment costs. High Level of Automation.[سؤال
0183;1. The dry desulfurization effect is stable and desulfurization efficiency is over 99%. 2. The desulfurization accuracy is and the initial export sulfur content can be reduced to 0. 3. For small flow biogas, the investment cost and operation cost are very low. 4. The whole device has compact structure and small footprint. 5.[سؤال
0183;The desulfurization performance of all the composite metal oxide desulfurization agents was higher than that of Ni/ZnO, in which the desulfurization agent NZCo-3 with a molar ratio of Zn:Co of 1:1 exhibited the optimal desulfurization performance, and the desulfurization rate was 100% at a reaction temperature of 300 &سؤال
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Ensure superior gas purification with our expertly produced desulfurization agents, tailored to industrial applications. Desulfurization Agents Production. Home Desulfurization Equipment Manufacture . Natural Gas Desulfurization Device ; Petrochemical Acid
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0183;Medium-sulfur coke is used in the production of prebaked anodes for aluminum electrolysis [9], [10]. High-sulfur coke, however, is limited to use as fuel or for the production of low-value-added products, such as reducing agents [11]. Therefore, the desulfurization of high-sulfur petroleum coke is essential to enhance its economic value.[سؤال
0183;Based on the findings of this study, it is indicated that lime can be a reliable cast‐iron desulfurization agent by reaching an end‐sulfur concentration of <0.015 wt%, thus providing an[سؤال
0183;The traditional sodium desulfurization process for waste lead-acid batteries is beneficial to the environment; however, it is limited by poor economic viability as the cost of desulfurizer is much higher than the value of desulfurization by-products. This study proposes a new closed-loop pre-desulfurization process for lead paste, which consumes only lime as the[سؤال
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The production process of electrolytic manganese using manganese ore powder (mainly containing MnO2, Mn2O3, and Mn2O3) as raw materials will generate a large amount of solid waste electrolytic manganese slag, abbreviated as manganese slag. Manganese slag is an acidic waste residue that contains a certain amount of sulfur element. During the calcination process,
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0183;200,000TPY Desulfurization Agent Production Line. Material: Limestone Input Size: ≦40mm. Capacity: 200,000TPY Output size: 250mesh. Daily Operation: 10h. Application: Finished products would be used as desulfurization agent to be offered to power plants. Equipment: 8 sets of MTW175 European Mill Customer Feedback[سؤال
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The products are used in coal gas, natural gas, biogas desulfurization and sewage treatment. MORE + Shandong Boxing Sanhe Chemical Industry Co., Ltd. is a cross-industry, high-tech production and operation enterprise mainly focusing on environmental protection chemicals, covering the production and processing of wood, steel, plastic
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0183;Desulfurization of fuel gases such as natural gas, biogas and coal gas is an important step to achieve their high-value utilization, and is of great significance for clean and efficient utilization of energy. Hydrogen sulfide (H<sub>2</sub>S) is a sulfur-containing gas that is toxic and corrosive, posing great hazards to industrial equipment, ecological environment and[سؤال
0183;Inner Mongolia desulfurization agent production line. Project Location: Inner Mongolia, China. Equipment: MTW215 European Grinding Mill. The company purchased 3 sets of MTW215 European version grinding equipment from Shibang Machinery for processing limestone and finished ore powder for power plant desulphurization in the surrounding power[سؤال
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The company purchased 3 sets of MTW215 European version grinding equipment from ZENITH Industry for processing limestone and finished ore powder for power plant desulphurization in the surrounding power plant. The operating effect is very good and the company becomes the largest power plant desulfurization powder supplier in the surrounding area.
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dition for desulfurization, and the desulfurization agent the lime system.2–5) The sulfur content can be controlled under 10 ppm by the KR method in the some steel plants. For the deep desulfurization (sulfur content ˚30 ppm after desulfurization) hot metal using the injection method, the desulfurization agent generally used the magnesium
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The invention discloses a method for preparing reclaimed rubber without adding any auxiliary agent in a desulfurization process, which comprises the following specific process steps: 1) preparing 100 parts by weight of rubber powder, stirring and mixing the materials without a production formula, and directly feeding the prepared rubber powder into a feeding screw; 2)
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0183;To achieve cost reduction and efficiency increase, a KR desulfurization process model with production rhythm as the core was developed. of desulfurizer is an important strategy to reduce the production cost of KR desulfurization without modifying the equipment and Chen XL (2017) Production practice of reducing KR desulfurizing agent[سؤال
0183;To effectively solve the problem of recovery and utilization of flue gas desulfurized gypsum (FGDG), a new method for preparing SO2 gas by adding a mixture of FGDG and pyrite into a boiling furnace and utilizing its high-temperature waste heat is proposed. Using the FactSage 6.1 Reaction module and the Equilib module, the pyrolysis behavior of FGDG[سؤال
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