آخرین محصولات
Engineering application of desulfurization and …
Therefore, the desulfurization and denitrification integrated purification technology for activated coke has excellent environmental benefits. The integrated process flow chart of …
CN112619401A
The invention relates to a process flow for desulfurization and denitrification of waste gas in the field of environmental protection, which is characterized by comprising a waste gas inlet and a waste gas outlet, wherein a front spray device, a middle spray device and a rear spray device are arranged between the waste gas inlet and the waste gas outlet; the front spray device, the …
Enhancing simultaneous desulfurization and denitrification …
Traditional Fenton reaction can hardly achieve the simultaneous desulfurization (de-SO 2) and denitrification (de-NO x) for the cement kiln exhaust gas, due to the low production of free radicals as the limited Fe 2+ /Fe 3+ cycle. Herein, an enhanced Fenton oxidation process was developed to remove SO 2 and NO x efficiently, through improved Fe …
Carbon consumption of activated coke in the thermal …
In the main reactions, the redox reaction of activated coke and H 2 SO 4 frees active sites to recover desulfurization and denitrification activity (Boyano et al., 2008; Inagaki, 2010; Wang et al., 2018).The secondary reaction is the thermal decomposition reaction of oxygen-containing functional groups, such as carboxyl, phenolic hydroxyl, and ester groups, …
Simultaneous Desulfurization and Denitrification by …
This study focused on the development of a novel process of H2O2/FeSO4 preoxidation combined with wet flue gas desulfurization (WFGD) postabsorption for simultaneous desulfurization and denitrification, and recovery of sulfur and nitrogen from flue gas. The results show that when no oxidant is added, the denitrification efficiency by WFGD …
Experimental process diagram. | Download …
Different catalysts were loaded onto the collecting plate of an electrostatic precipitator to achieve the simultaneous removal of multiple pollutants from coal-fired gas. The synergistic...
Research progress of flue gas desulfurization and …
Research progress of flue gas desulfurization and denitrification technology in coal-fired power plants Minghui Tang a,*, Shuping Tu and Wenzhe Sun School of Merchant Marine, Shanghai Maritime University, Shanghai 201306, China ... desulfurization process needs to use high purity and active lime as desulfurizer, and the ...
the key process parameters and microbial community in the …
The simultaneous desulfurization coupling denitrification systems based on the anaerobic biotrickling filter reactor could remove S²⁻ and NOx⁻-N in wastewater according to the principle of ...
Effects of simultaneous denitrification and desulfurization …
The system of denitrification and desulfurization under autotrophic, heterotrophic, and mixotrophic conditions with S/N mole ratio of 5:6 was investigated, and it showed that bacteria might form a stable coexistence state by using various secondary metabolites or waste metabolites under mixotrophic condition, and this relationship was conducive ...
Ultrasonic-enhanced phosphorus sludge excited O3 coupled …
An efficient desulfurization and denitrification process can be achieved by controlling the reaction time and pH value. The logistic model was used to fit the adsorption penetration curve, as shown in Fig. 11 (b–c), and the fitting parameters are shown in Table 9. In the early stage of adsorption, the outlet concentration is 0, but with the ...
Desulfurization of Steel: Improving Quality and …
Discover the importance of steel desulfurization and its practical benefits. Learn how the process enhances durability, weldability, and versatility for a variety of industries. Qianhou Rd., Chajiu Industrial Park, Zhangqiu District, Jinan, …
Economic and carbon emission analysis of two typical …
This study evaluated the carbon emissions and economics of denitrification systems in the sintering process of the iron and steel industry by integrating the life-cycle …
Photocatalytic Process of Simultaneous Desulfurization …
TiO2 nanoparticles were successfully fabricated on electrospun polyacrylonitrile (PAN) nanofibers via the coupling of electrospinning and hydrothermal pathway. A straightforward photocatalysis oxidation process has been developed for simultaneous desulfurization and denitrification of flue gas using the TiO2–PAN photocatalyst. Also, the influences of some important operating …
Investigation of Nitrogen Removal in Flue Gas Desulfurization …
In the process of flue gas desulfurization and denitrification, the generation of high-sulfate wastewater containing nitrogen is a significant challenge for biological wastewater treatment. In this study, halophilic activated sludge was inoculated in a Sequencing Batch Reactor to remove nitrogen from wastewater with a high sulfate concentration (60 g/L). With the …
Simultaneous desulfurization and denitrification of flue …
Flow chart of the flue-gas integrated desulfurization and denitrification process. 1-Incinerator, 2-Heat exchanger, 3-Fan, 4-Valve, 5-Barometer, 6- Flue gas purification device, 7- hydrojet cyclone, 8-Liquid flow meter, 9-Liquid pump, 10-Filter, 11-Lye tank, 12-Chimney, 13-Differential pressure gauge.
Spatial conversion characteristics of sulfur and nitrogen via
Although integration of desulfurization and denitrification in one reactor could save space and operating costs [5], the heterotrophic denitrification would hinder the complete removal of SO 4 2-[20], [48], [49], because heterotrophic denitrification bacteria (HDB) competed with SRB for organics and ADB for NO 2-.Furthermore, S 2-produced by SO 4 2-reduction would inhibit the …
The Roles of Red Mud as Desulfurization and Denitrification …
Download Citation | On Mar 1, 2023, Shuai Liu and others published The Roles of Red Mud as Desulfurization and Denitrification in Flue Gas: A review | Find, read and cite all the research you need ...
Simultaneous Desulfurization and Denitrification …
Promoting Simultaneous Desulfurization and Denitrification Performance of Al2O3@TiO2 Core–Shell Structure Adsorbents by Enhancing Oxidation Performance: Modification by Rare Earth Elements (La, Ce, and Y), …
GeoChip-based analysis of the microbial community
The elemental sulfur (S 0) recovery was evaluated in the presence of nitrate in two development models of simultaneous desulfurization and denitrification (SDD) process.At the loading rates of 0.9 kg S/(m 3 ·day) for sulfide and 0.4 kg N/(m 3 ·day) for nitrate, S 0 conversion rate was 91.1% in denitrifying sulfide removal (DSR) model which was higher than in …
Research progress of flue gas desulfurization and …
In this paper, the research status of desulphurization and denitrification technology is summarized, the classification, principle, advantages and disadvantages of flue gas …
Desulfurization and Denitrification Technologies of Coal …
Our paper introduces mature and new flue gas denitration and desulfurization technologies along with their processing principles, industrial status, merits, and demerits. The combination …
Gas Desulfurization Process: Clean Energy Technology for a …
Discover the benefits of the gas desulfurization process for emission reduction, regulatory compliance, and generating valuable byproducts. Learn how our technology can help your industry achieve a cleaner, more sustainable future.
An Innovative Process of Simultaneous Desulfurization and
Based on these special physiological characteristics, an innovative process of simultaneous desulfurization and denitrification (SDD) was developed to obtain sulfur from sulfide. A strain of T. denitrificans, named D 4, was isolated and …
process of flue gas desulfurization
Discover the benefits of flue gas desulfurization for your power plant or industrial facility. Learn how FGD technology reduces emissions, recovers resources, and ensures regulatory compliance.
Wet Desulfurization Process: Efficient and Environmentally …
The high removal rate is characteristic of the wet desulfurization process.In practical terms, this means that emissions of sulfur dioxide from power plants and industrial facilities more than 90% gains possible environmental compliance with laws and regulationsBusinesses operating in parts of the world where pollution controls are strict rely heavily on this efficiency.Non-compliance …
Simultaneous desulfurization and denitrification of flue gas …
In this work, we studied the process of jet atomization and swirl enhancement. Then we constructed a miniaturized hydrojet cyclone. After that, we proposed a new type of …
Simultaneous Desulfurization and Denitrification by …
This study focused on the development of a novel process of H 2 O 2 /FeSO 4 preoxidation combined with wet flue gas desulfurization (WFGD) postabsorption for …
Flue Gas Desulfurization Process: Cutting-Edge Emission …
Discover the benefits of the flue gas desulfurization process for environmental compliance, economic gains, and corporate responsibility. Learn how it reduces air pollution and creates valuable byproducts. Qianhou Rd., Chajiu Industrial Park, Zhangqiu District, Jinan, Shandong, China [email protected] EN.
Sulfide removal by simultaneous autotrophic and …
The process employing these denitrifying bacteria is generally called autotrophic denitrification process and often used for treatment of low nutrition wastewater [19], [20], [21] and H 2 S removal from biogas [22]. Recently, nitrite has been reported to replace nitrate as electron acceptor to remove sulfide in autotrophic denitrification ...
What are the process flows of desulfurization and denitrification …
If you ask environmentalists, what is the hottest thing this year? The answer is definitely environmental storm. Recently, as environmental protection becomes more and more stringent, many brick and tile factories and ceramic factories have closed down. There are problems to be solved, but one size does not fit all. How much do you know about …
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