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FUEL & CHEMICAL PROCESSES 2022 Vol.53 Please wait a minute... For Selected: Download Citations EndNote Reference Manager ProCite BibTeX RefWorks Toggle Thumbnails Select Analysis of technical principle to realize smokeless charging by CPS-NG device Cai Chengyou FUEL & CHEMICAL PROCESSES    2022, 53 (1): 1-3.   Abstract （206）            Knowledge map    Save This paper expounds technical solution to realize coal charging into coke oven without any emissions by CPS-NG device and compares it with the technical solution adopted by PROven and SOPRECO devices based on analysis of the technical principle.The advantages of CPS-NG device in respect of avoiding increase of oxygen content in crude gas and reducing the amount of coal/coke dust carried over by the crude gas are demonstrated in the paper. Related Articles | Metrics Select Application of coal petrography method in analyzing coking coal quality Li He Xia Lili Han Jiwei FUEL & CHEMICAL PROCESSES    2022, 53 (1): 4-5.   Abstract （92）            Knowledge map    Save This paper studies the proximate analysis,caking index,plastometer indices,coal petrography index of coking coal,optical structure and thermal performance of coke. It also compares with similar type of coal property to judge the degree of coal metamorphism and coal blending condition by using coal petrography index so as to better identify the quality of coking coal. Related Articles | Metrics Select Study on the correlation between the fluidity of plastic body and its caking index of blended coal Zhang Qi Qian Hulin Ling Qiang Zhang Zenglan Tang Yao FUEL & CHEMICAL PROCESSES    2022, 53 (1): 6-9.   Abstract （85）            Knowledge map    Save In this paper,the relationship between caking index (G) and Gieseler fluidity of coking coal were analyzed respectively.The change rules of caking index (G) and Gieseler fluidity characteristic of the coal types are mixed.The results indicate that the caking index and Gieseler fluidity characteristic of the same kind of coal show a good additivity,but the additivity of different coal types is poor.With the increase of blending proportion of low Gieseler fluidity coal,the softening temperature of blended coal samples will increase rapidly,and the soft solid interval will narrow continuously.The relationship between caking index (G) and lgMF of blended coal samples can be regarded as the addition of linear relationship and quadratic curve relationship. Related Articles | Metrics Select Application of Australian coking coal in Jingdezhen Energy Company Mo Yun Zhang Qinshan Jiang Wenbin FUEL & CHEMICAL PROCESSES    2022, 53 (1): 10-13.   Abstract （73）            Knowledge map    Save Jingdezhen Coking Energy Co.,Ltd.promotes restructuring coal resources and introduces Australian Illawarra coking coal to improve the coke quality and minimize the operation cost.The coal properties analysis and coal blending experiment for Australian Illawarra coking coal show that it belongs to low ash and low sulfur coking coal.During coal blending,it is found that the Australian Illawarra coking coal directly replaces domestic WG coking coal,and the coke quality decreases.Through further study on coal fluidity index,coal petrography index and iron box test for various coal types,the coke quality can be guaranteed and the cost of coal blending is reduced after the optimization of coal blending scheme. Related Articles | Metrics Select Application of high-sulfur coking coal in coal blending Zhang Dandan Yao Huaiwei Xing Xiaoning Li Peng Huang Menglin FUEL & CHEMICAL PROCESSES    2022, 53 (1): 14-15.   Abstract （84）            Knowledge map    Save The quality of coke is improved by adding a certain proportion of low-cost high-sulfur coking coal into the coal blending.As a result, the proportion of the prime coking coal is reduced and the cost of feeding coal into boiler is considerably lowered. Related Articles | Metrics Select A research on long service life of CDQ refractories Yang Lian FUEL & CHEMICAL PROCESSES    2022, 53 (1): 16-17.   Abstract （66）            Knowledge map    Save A comprehensive analysis has been made to CDQ refractories from aspects of different materials,bricklaying method,and routine maintenance during operation and damage mechanism.The crux of the problem has been found.Accordingly measures have been taken so as to have a longer service life of the CDQ chamber,lower operating cost and higher steam generation as a  result. Related Articles | Metrics Select Curvature change analysis of buckstay during coke oven heating-up Chai Xin Zhou Chongjun Li Xin Li Xiaofeng FUEL & CHEMICAL PROCESSES    2022, 53 (1): 18-20.   Abstract （95）            Knowledge map    Save An example of 5.5 m coke oven heating-up is presented in this paper.Study is carried out for the expansion law of the refractory block and the curvature change of the buckstay as well during the coke oven heating-up through analysis of the temperature rising behavior.The result demonstrates that the buckstay curvature changes in a tendency from bigger to smaller. Related Articles | Metrics Select Numerical simulation of waste gas recycling technology in 6.78 m stamp-charge battery Zhang Hongbo Zhang Tianyu Yang Junfeng FUEL & CHEMICAL PROCESSES    2022, 53 (1): 21-25.   Abstract （74）            Knowledge map    Save Comparison is made between different combustions in the vertical flue before and after the waste gas recycling for 6.78 m stamp-charge battery when firing COG.Discussion is also conducted for the impact of different combustion gases flows on vertical flue temperature distribution and NOx formation. Related Articles | Metrics Select Application and management of tubular belt conveyor in coke plant#br# Xu Aiying Zhou Haifu Wang Jianlin Hu Yanjun Zhao Renkui FUEL & CHEMICAL PROCESSES    2022, 53 (1): 26-27.   Abstract （68）            Knowledge map    Save This paper introduced the application of tubular belt conveyor in Ningbo Steel Coking Plant and analyzed their management method in terms of production operation and protective measures based on actual situation, which provides experience reference in operation management of the tubular belt conveyor for similar plants. Related Articles | Metrics Select Research and application of CDQ steam turbine power generation and turbine-grid system in coke plant Wang Jianbin Wang Hongliang FUEL & CHEMICAL PROCESSES    2022, 53 (1): 28-31.   Abstract （73）            Knowledge map    Save This paper studies a turbine-grid system through which an isolated power grid fed from CDQ steam turbine can be automatically switched over in running for critical electric consumers inside coke plant in case of power failure in the external grid.When the external power grid is resumed,the isolated grid can be automatically switched to the integrated grid to restore normal production as the quickest so that the potential risk of large-scale power outage due to the external grid failure can be avoided since the above-mentioned measures have strengthened the power grid stability of the coke plant. Related Articles | Metrics Select The analysis on steel structure of coke oven enclosure for emissions curbing and dedusting system Zhao Weiyi FUEL & CHEMICAL PROCESSES    2022, 53 (1): 32-33.   Abstract （49）            Knowledge map    Save In order to research the characteristics of internal force applied to different steel structures of the coke oven enclosure for dust gathering and removal,this paper analyzes two different types of the pipe truss with 3D3S.Besides,the FEM analysis is carried out to summarize the stress conditions of internal members and support foundations of the two types of structures.It indicates the pipe truss with tension bars can effectively optimize the structure.The calculation and analysis above may be helpful for the usage of steel structure for coke oven enclosure. Related Articles | Metrics Select A flame detection device for multi-fuel boiler under positive pressure  and its application Wang Yinghu Li Yifan FUEL & CHEMICAL PROCESSES    2022, 53 (1): 34-36.   Abstract （55）            Knowledge map    Save Multi-fuel; Boiler under positive pressure; Flame detection; Spectrum Related Articles | Metrics Select Calculation of water balance in multi-stage PDS desulfurization and decyanation Li Haoyang Shi Yanfeng Li Genxi Zhao Lei FUEL & CHEMICAL PROCESSES    2022, 53 (1): 37-39.   Abstract （59）            Knowledge map    Save It is well recognized that PDS desulfurization and decyanation process is widely used in crude gas treatment for its high removal efficiency and stable operation in coking industry.In actual production,however,the desulfurization liquid may accumulate in the system and has to be partially disposed as waste liquid,which would not just increase the operating cost,but cause waste of the PDS catalyst.Based on water balance calculation,the operating regime has been optimized so that the water balance can be realized in the process of PDS desulfurization and decyanation. Related Articles | Metrics Select Analysis on the influence of air leakage into DeSOx negative pressure system on production Wang Jun Dong Haitao FUEL & CHEMICAL PROCESSES    2022, 53 (1): 40-41.   Abstract （115）            Knowledge map    Save The vacuum degree of the negative pressure system of vacuum potassium carbonate desulfurization process directly affected the regeneration of the desulfurizer liquor.In case of air leakage into the negative pressure system during production,it would affect the H2S content in gas after desulfurization.Through analysis of the interrelation between the abnormal phenomenon and the abnormal parameters,the main cause of H2S content in gas was found.By taking measures,the H2S content in gas has dropped to a normal level. Related Articles | Metrics Select Application of gas desulfurization by AS process Guo Zhendong Li Pei Zhang Pengfei Tang Xinliang FUEL & CHEMICAL PROCESSES    2022, 53 (1): 42-44.   Abstract （67）            Knowledge map    Save In this paper,the application of gas desulfurization by AS (Ammonium-sulfide) process is introduced which is being adopted by Shougang Jingtang Iron & Steel Co.,Ltd.,After desulfurization,the H2S content in gas can be controlled below 200 mg/m3.The problems in operation and the solutions are also demonstrated,which can be used as reference for a wider application. Related Articles | Metrics Select Analysis of the cause of ammonium sulfate discoloration and its improvement Xia Wei Li Zhi Dai Cheng FUEL & CHEMICAL PROCESSES    2022, 53 (1): 45-47.   Abstract （171）            Knowledge map    Save This paper analyzes the cause of ammonium sulfate discoloration in Bayuquan Branch of Angang Steel Co.,Ltd..The problems of ammonium sulfate discoloration have been solved effectively by taking the measures,such as slag cleaning from mother liquor tank,standardizing centrifugal operation,strengthening pickling water operation,improving the quality of sulfuric acid and lowering the temperature on top of ammonia stripper,etc..  Related Articles | Metrics Select Discussion on the influence of coal tar moisture on tar refinery and its countermeasures Lei Hongqi Zhang Qi FUEL & CHEMICAL PROCESSES    2022, 53 (1): 48-50.   Abstract （83）            Knowledge map    Save This paper introduces the influence of coal tar moisture on tar refinery,analyzes the fluctuation caused by moisture in the production process and the damage to the equipment from the aspects of production,safety,environmental protection,energy saving and equipment corrosion,and puts forward the measures to control coal tar moisture from the source as well as reduce the content of chloride ion in coal tar. Related Articles | Metrics Select Application of pinch technology in asphalt purification system Yin Zejun FUEL & CHEMICAL PROCESSES    2022, 53 (1): 51-54.   Abstract （70）            Knowledge map    Save Due to large amount of cold and hot materials in asphalt purification system, the pinch point temperature of heat exchange system was calculated by using the pinch technology through evaluation of the heat exchange network of the system.Based on this study, we can make full use of heat transfer inside the system, optimize the configuration of the whole heat exchange network and improve the efficiency of energy utilization. Related Articles | Metrics Select Research on a unified treatment for stilled water in coking plant Liu Bo Chengzhan FUEL & CHEMICAL PROCESSES    2022, 53 (1): 55-56.   Abstract （82）            Knowledge map    Save This paper introduced a solution of unified treatment for the stilled waste water from three units in Beiying Coking Plant of Benxi Iron & Steel Group.This solution has features of advanced technology,easy operation,energy conservation and environment protection,which can balance the economic effect,environment effect and the social benefit as a whole. Related Articles | Metrics Select Technology of efficient utilization of tail gas in semi-coke production Fang Youwei Shi Jungao An Xiaoxi Cui Xiaohui FUEL & CHEMICAL PROCESSES    2022, 53 (1): 57-59.   Abstract （113）            Knowledge map    Save In this paper,introduction is made to a technology of semi-coke tail gas purification combined with fuel gas-steam co-generation for electricity.In the semi-coke production,the purified tail gas can be used as fuel into internal combustion engine generator.Similarly the waste heat of high-temperature waste gas discharged out of the internal combustion engine can also be recycled so that the semi-coke tail gas can efficiently be utilized for environmental purpose. Related Articles | Metrics Select Study and application on bio-deodorization technology in coking wastewater Huang Jihua Wu Siyan Yang Fei FUEL & CHEMICAL PROCESSES    2022, 53 (1): 60-62.   Abstract （76）            Knowledge map    Save The current deodorization system in coking wastewater is analyzed.Its working principle and technical features are introduced.The application of the bio-deodorization technology in engineering design is discussed,and the key points of closed system,gas delivery system and gas treatment system are also explicated in this paper. Related Articles | Metrics Select Application of different DeSOx and DeNOx technologies on Masteel coke plant Jiang Jing Li Qiang Deng Chenghao Wang Jun FUEL & CHEMICAL PROCESSES    2022, 53 (1): 63-65.   Abstract （129）            Knowledge map    Save In Masteel,7.63 m coke oven adopts desulfurization and denitrification technology by active coke,in which the by-products can be used to produce ammonium sulfate.This solution can reduce investment and have no secondary pollution.And the 6 m coke oven adopts an integration of dry desulfurization plus dust removal technology,which is characterized with less land occupation,low investment,and no by-products generation such as solid waste.The actual production proved that using active coke has lower operating cost in running the desulfurization and denitrification system. Related Articles | Metrics Select Research progress on metallurgical properties of SC-battery coke Ren Huawei Jiang Qinglin FUEL & CHEMICAL PROCESSES    2022, 53 (3): 1-4.   Abstract （249）            Knowledge map    Save Facing the problems in operation of medium and large-size blast furnaces using stamp-charge battery coke instead of top-charge battery coke,this paper expounds the research progress on the properties of SC-battery coke at home and abroad in aspects of macroscopic quality,microstructure and high temperature gasification reaction performance,and demonstrates the quality difference between SC-battery coke and TC-battery coke.As a result,the cognition to the characteristics of the SC-battery coke can be improved and the technology of medium and large-size BF using SC-battery coke can be further upgraded. Related Articles | Metrics Select Research on characteristic of coke optical texture from different coking coals Hong Ze Li Chengcai FUEL & CHEMICAL PROCESSES    2022, 53 (3): 5-11.   Abstract （175）            Knowledge map    Save Analysis was made to the cold & hot strength and optical texture of the coke produced from 40 kg pilot oven of Lianyuan Iron & Steel based on commonly used coking coal and blending scheme.The test result indicates that as the degree of coal metamorphism goes further,the anisotropic texture increases first and then decreases,the coke from medium-grade metamorphism coal shows the highest anisotropic degree.Fiber texture and leaflet texture gradually increase with the coal metamorphism.Inert texture decreases first and then increases with the coal metamorphism; the medium-grade metamorphism coal has the lowest content of inert texture.As the proportion of the mosaic texture increases,the cold and hot strength of coke are getting better; with the proportion of coke inert texture increasing,the cold and hot strength of the coke will go worse.In order to ensure coke quality,the proportion of inert texture in coke should be controlled within an appropriate range in production. Related Articles | Metrics Select Analysis of factors affecting coke grain size stability Li Peng Dai Xin, Qi Erhui Cao Yu An Gang FUEL & CHEMICAL PROCESSES    2022, 53 (3): 11-15.   Abstract （183）            Knowledge map    Save Based on the principle of stabilizing coke size,this paper studies the coking process and coke size of 7.63 m coke oven in Shougang Jingtang company,analyzes the factors affecting the coke grain size,such as coal blending quality,carbonization time,quenching process,coke transfer and coke screening.By optimizing coke transferring,the material level of coke bin is controlled at least 3 m;special attention is paid to the moisture stability in coal blending,within the range of ±0.3%,in particular to the effective management of screening process to improve the stability of coke grain size. Related Articles | Metrics Select Practice of American Buchanan coking coal Yang Shaohong Fu Yu Liu Piyu Wang Yanming FUEL & CHEMICAL PROCESSES    2022, 53 (3): 16-20.   Abstract （265）            Knowledge map    Save The American Buchanan coking coal has advantage of low content in ash and sulfur,which can partially replace BHP coking coal and domestic coal and help reduce coal blending cost.However,its MBI and MCI are on the high side,this blending must be adjusted according to actual blending composition and resources condition.Based on the experience,the ratio of Buchanan coking coal to be blended is supposed to be 5%~7%,it would be beneficial to improving coke quality in an economical coal blending manner.Due to diversified coal blending structure with various kinds of coke quality in cokemaking,the optimum option shall be gradually defined according to actual situation. Related Articles | Metrics Select Application of new type coke bucket with refractory lining Hu Yanjun Yang Xing Liang Yichao Lu Weitao Liu Wuwei FUEL & CHEMICAL PROCESSES    2022, 53 (3): 21-22.   Abstract （549）            Knowledge map    Save This paper mainly introduces the technology of using new type coke bucket with refractory lining.In comparison with the conventional coke bucket with alloy liner plate,this paper shows the advantages of using refractory lining and analyzes its application in the Coking Plant of Ningbo Iron & Steel according to actual situation. Related Articles | Metrics Select Application of heat recovery coke oven in steel complex Qiu Xinsheng FUEL & CHEMICAL PROCESSES    2022, 53 (3): 23-25.   Abstract （134）            Knowledge map    Save By comparison with slot type coke oven,the heat recovery coke oven is characterized with no producing “three wastes”(wastewater,waste gases and residues) and maximized using anthracite in coal blending.The steel complex,by using heat recovery coke oven,can not only minimize pollution,but also produce required quality coke for ironmaking,including high temperature steam for power generation,which could increase the proportion of self-generated electricity in enterprises for a considerable economic benefits. Related Articles | Metrics Select Design for lining brick of CDQ primary deduster based on Autodesk Inventor Qin Jin FUEL & CHEMICAL PROCESSES    2022, 53 (3): 26-28.   Abstract （76）            Knowledge map    Save This paper unleashes conventional 3D assembly mode，i.e.it adopts the top\|down design concept of Autodesk Inventor software，takes the design for lining brick of CDQ primary deduster as an example，explicates the parametric correlation design that starts from overall to local till every details.This concept will produce higher design accuracy in a shorter design period，in favor of brick quantity statistics and future design optimization，which will provide a reference for design of other industrial furnaces and their lining bricks. Related Articles | Metrics Select Practice of stamp-charge battery coke in large size blast furnace above 2,000 m3 Yao Huaiwei Li Tianxi Shi Liqi Li Peng Huang Menglin FUEL & CHEMICAL PROCESSES    2022, 53 (3): 29-30.   Abstract （132）            Knowledge map    Save This paper mainly introduced that through optimized coal blending process,especially the control of moisture content in coal blending and density of coal cake,over-stamping can be avoided.Besides,the operation management of coke oven was strengthened.As a result,the stamp-charge battery coke can meet the demand of large blast furnace above 2,000 m3. Related Articles | Metrics Select Effect of sulfate ion in quenching water on sulfur content in coke Fang Jinhao Hong Yefa FUEL & CHEMICAL PROCESSES    2022, 53 (3): 31-32.   Abstract （134）            Knowledge map    Save The sulfur content in coke plays an important role in measuring the quality of coke.At present,the automatic sulfur meter is commonly used to measure the sulfur content of coke.The measurement indicates that the sulfur in quenched water stays mainly in the form of sulfate ions,and the SO2-4 has an influence on the sulfur content in coke,i.e.showing a positive relation with the sulfur content in coke. Related Articles | Metrics Select Discussion on movable covering-uncovering device for coke bucket and its operation Liu Pai FUEL & CHEMICAL PROCESSES    2022, 53 (3): 33-36.   Abstract （207）            Knowledge map    Save CDQ (Coke Dry Quenching); Lid covering-uncovering; Coke bucket; Coke bucket lid; Positioning in standstill; Guiding elements Related Articles | Metrics Select Optimization of AS desulfurization process based on response surface method Zhang Jing Yang Yong Huang Hengbo FUEL & CHEMICAL PROCESSES    2022, 53 (3): 37-39.   Abstract （84）            Knowledge map    Save The model of AS desulfurization process is established with Aspen Plus.Simulation is done by adopting Box-Behnken method to test the absorption effect of the AS desulfurization column.The correlation between H2S content at gas outlet and process parameter is analyzed.The process parameters are also optimized.After the optimization，the H2S concentration at the gas outlet can meet the requirement of production，which demonstrates that the model is accurate and the optimization is viable. Related Articles | Metrics Select Application of complex iron catalyst in COG desulfurization Niu Aining FUEL & CHEMICAL PROCESSES    2022, 53 (3): 40-41.   Abstract （164）            Knowledge map    Save This paper introduced COG desulfurization process and the chemical reaction principle of complex iron catalyst in the desulfurization.It analyzed the main controlling targets in COG desulfurization as well as precautions in the operation.It also summarized the advantages and disadvantages in using the complex iron catalyst for COG desulfurization. Related Articles | Metrics Select Analysis for blockage in gas line after gas exhauster and its solution Wang Jun Chen Haimin Liu Xiufeng FUEL & CHEMICAL PROCESSES    2022, 53 (3): 42-43.   Abstract （106）            Knowledge map    Save In view of the blockage in gas pipeline after the gas exhauster of Handan Iron and Steel Coking Plant,the main reasons are analyzed in this paper.After the improvement,the blockage has been alleviated,and long-term operating regime has been formulated to ensure that the pressure of the gas pipeline after the exhauster does not rise up. Related Articles | Metrics Select Analysis for problems in production of crude benzene hydro-refining and the countermeasures Zhang Tao FUEL & CHEMICAL PROCESSES    2022, 53 (3): 44-46.   Abstract （148）            Knowledge map    Save Introduction is made to the crude benzene hydro-refining in this paper.Based on the experience of operating the crude benzene hydro-refining unit, this paper lists common problems in the production and gives solutions,which would be helpful to the design and production. Related Articles | Metrics Select Prospect of parametric design in non-standard equipment Xue Luzhou Qu Bin Cao Peicheng FUEL & CHEMICAL PROCESSES    2022, 53 (3): 47-.   Abstract （82）            Knowledge map    Save Among the gas treatment plants in coking industry，the non-standard BPP equipment are relatively unique and can be clearly sorted，which could be of an ideal start to develop parametric design.By sorting the equipment and analyzing computer software，this paper looks forward to the future parametric design scheme for the non-standard BPP equipment. Related Articles | Metrics Select Process improvement of rich oil heater for benzol removal Li Chao FUEL & CHEMICAL PROCESSES    2022, 53 (3): 49-50.   Abstract （192）            Knowledge map    Save By comparison between process flows of benzol removal with rich oil heater and that with tubular furnace, this paper analyzes the process features of rich oil heater for benzol removal,describes the technical proposal and details for its improvement as well as the practical data.The replacement of tubular furnace with rich oil heater for benzol removal can avoid emission into the atmosphere, which will go in line with a green sustainable development in coking industry. Related Articles | Metrics Select Practice in sorting treatment for organic waste gas of coking plant Ji Guangwei Cui Xiangjin FUEL & CHEMICAL PROCESSES    2022, 53 (3): 51-52.   Abstract （87）            Knowledge map    Save At present,coking plants have four kinds of sorting treatments for organic waste gas,i.e.water spray absorption method,reagent absorption method,sorbent absorption method and photocatalytic oxidation method.By comparison among the above methods and through sorting treatment,zero discharge of organic waste gas from coking plant can be realized and it would bring economic benefit to some extent. Related Articles | Metrics Select Application of zero dilution integrated treatment technology for coking wastewater Li Zhenlai Sun Xiujie FUEL & CHEMICAL PROCESSES    2022, 53 (3): 53-56.   Abstract （80）            Knowledge map    Save The integrated technology of multiphase miscible nano air flotation enhanced flocculation+AAO biological treatment+ozonation+double membrane(ultrafiltration+reverse osmosis)is adopted to treat coking wastewater by method of sectional control so as to realize zero dilution of wastewater treatment.The concentrated water is sent to the blast furnace for slag washing,without additional fresh water and without external drainage so that water resources can be saved. Related Articles | Metrics Select Selection of DeSOx and DeNOx for coke oven flue gas Wang Luhui Gan Huiyu Qian Hulin FUEL & CHEMICAL PROCESSES    2022, 53 (3): 57-58.   Abstract （97）            Knowledge map    Save This paper introduces the main technologies in DeSOx and DeNOx for coke oven flue gas and analyzes the characteristics of different desulfurization and denitrification processes.Through analysis for the 6 m coke oven of Masteel,an optimal process is determined according to the composition of the flue gas so as to meet ultra-low emission requirement. Related Articles | Metrics Select Discussion on the source of fluoride in wastewater and its treatment solution Luo Yong Zhong Fa Feng Jianfei Fu Yongping FUEL & CHEMICAL PROCESSES    2022, 53 (3): 59-60.   Abstract （84）            Knowledge map    Save This paper analyzed the source of fluoride in wastewater in Shaoguan Iron & Steel and discussed its treatment solutions.Source treatment or end treatment could be applied to reduce fluoride from wastewater.The source treatment focuses on minimizing fluorine-containing raw materials or optimizing the process flow.The end treatment can reduce fluoride from 200 mg/L to about 10mg/L, and the removal rate is about 95%,by methods of precipitation,adsorption, and ion exchange etc.. Related Articles | Metrics Select Practice in operation of coke oven flue gas DeSOx and DeNOx  Peng Guangwen Pan Li Luo Jinzhi FUEL & CHEMICAL PROCESSES    2022, 53 (3): 61-64.   Abstract （121）            Knowledge map    Save This paper introduces the technology of coke oven flue gas treatment in Liuzhou Iron & Steel,i.e.“Soda DeSOx (SDS) process+Medium & low temperature SCR DeNOx+Waste heat recovery”,including its environmental targets.It also analyzes the problems occurred in operation and puts forward solutions. Related Articles | Metrics