Utilization of High-Sulfur Petroleum Coke and Sulfur Transfer Behavior

2011 ◽  
Vol 347-353 ◽  
pp. 1637-1641
Author(s):  
Xiao Rui Wang ◽  
Ming Lin Jin ◽  
Hui Cun Qian ◽  
Nan Gao ◽  
Xiao Ming Hou ◽  
...  
Keyword(s):  
High Temperature ◽  
Sulfur Content ◽  
Petroleum Coke ◽  
Boiler Fuel ◽  
Xps Spectra ◽  
Sulfur Transfer ◽  
Recovery System ◽  
Coal Blending ◽  
Transfer Behavior ◽  
Gaseous Sulfur

The presence forms of sulfur in High-sulfur petroleum coke and high temperature transfer was studied in this paper. It was found that a part of sulfur escape in the form of gaseous compounds through heating coke without air. The present structure of sulfide is inferred to be thiophene according to XPS spectra. The scientific calculation for amount of high sulfur petroleum coke can be continued according to the sulfur content of petroleum coke, sulfur transfer agent and permissible content of sulfur in the coke. The gaseous sulfur caused by the high sulfur petroleum coke which is directly used as boiler fuel and coal blending can be recycled through the original sulfur purification recovery system, meanwhile, the purification load rises.

Emission red shift and energy transfer behavior of color-tunable KMg4(PO4)3:Eu2+,Mn2+phosphors

2015 ◽  
Vol 3 (21) ◽  
pp. 5516-5523 ◽  
Author(s):  
Jian Chen ◽  
Yan-gai Liu ◽  
Lefu Mei ◽  
Ziyao Wang ◽  
Minghao Fang ◽  
...  
Keyword(s):  
Energy Transfer ◽  
High Temperature ◽  
Solid State ◽  
Red Shift ◽  
Solid State Reactions ◽  
Luminescence Properties ◽  
Color Tunable ◽  
Transfer Behavior

A series of Eu2+- and Mn2+-coactivated KMg4(PO4)3phosphors were prepared by conventional high temperature solid-state reactions. Their luminescence properties, emission red shifts and the energy transfer between Eu2+and Mn2+were investigated and the related mechanisms were discussed in detail.

Dynamics of Bed for Regeneration of Cerium Oxide High-Temperature Coal Gas Desulfurization Sorbent

2017 ◽  
Vol 896 ◽  
pp. 148-154
Author(s):  
Jun Ming Yu ◽  
Shang Guan Ju ◽  
Li Ping Liu ◽  
Lei Yang ◽  
Jia An ◽  
...  
Keyword(s):  
High Temperature ◽  
Cerium Oxide ◽  
Dynamic Behavior ◽  
Sulfur Content ◽  
Fixed Bed ◽  
Movement Speed ◽  
Coal Gas ◽  
Oxygen Analyzer ◽  
Micro Reactor ◽  
High Temperature Gas

The dynamic behavior of bed for regeneration of cerium oxide high temperature gas desulfurization sorbent under the atmosphere of O2 was investigated in the fixed bed micro-reactor. O2 concentration during the regeneration can be detected by an oxygen analyzer, and the sulfur content of sorbent in the bed was test using sulfur analyzer. The effects of O2 concentration, regeneration temperature on the dynamic behavior of bed for regeneration of CeO2 desulfurization sorbent were discussed. According to the experimental results, the length and movement speed of regeneration zone are calculated. The results showed that the increase of O2 concentration in inlet gas obviously improves the movement speed of regeneration zone in bed for CeO2 desulfurization sorbent, and the increase of regeneration temperature can decreased the length of the regeneration zone and improved the movement speed of the regeneration zone. The increase of regeneration temperature had a better effect on the improvement of bed utilization of sorbent than that of O2 concentration.

Effect of high-temperature pyrolysis on the structure and properties of coal and petroleum coke

2016 ◽  
Vol 117 ◽  
pp. 64-71 ◽  
Author(s):  
Jin Xiao ◽  
Fachuang Li ◽  
Qifan Zhong ◽  
Jindi Huang ◽  
Bingjie Wang ◽  
...  
Keyword(s):  
High Temperature ◽  
Petroleum Coke ◽  
Structure And Properties

scholarly journals Suggestion Petroleum Coke from Iraq Oil Mix. (T-21A+T-5) & PF2 as Alternative Fuel for Cement and Metallurgy

2021 ◽  
pp. 35-47
Author(s):  
Sherwan Mohammad Simo ◽  
Salah Aldin Naman ◽  
Kanaan Ramadan Ahmed ◽  
Akhmetov Arslan Faritovich ◽  
Lapshin Igor Gennadievich
Keyword(s):  
Sulfur Content ◽  
Petroleum Coke ◽  
Alternative Fuel ◽  
Petroleum Products ◽  
Fuel Oil ◽  
Crude Oils ◽  
Volatile Substances ◽  
High Sulfur Content ◽  
Higher Temperature ◽  
Lower Temperature

The feasibility of utilizing petroleum coke as an alternative fuel for cement kilns and other industries was suggesting. The feedstock using in this study are mixture (T-21A+T-5) Tawke and Shekhan PF2 AT residues were obtained from two Iraqi-Kurdistan crude oils by removing distillates boiling point up to 350°C  using the atmospheric distillation unit. The coking processing of AT residues at high temperatures to produce gas, coking distillates and petroleum coke. Coking of AT residues were carried out at temperature 450-460°C and atmospheric pressure, at this temperature, the duration of heat treatment of the feed was 2h. 45 min for Tawke and 2h. 15 min for Shekhan. The choice of temperature and time of the experiments was made on the basis that a lower temperature increases the duration of the process, and at a higher temperature a significant reduction in the duration of the process according to GOST methods, it becomes difficult to obtain the target product with the required content of volatile substances. An increase in the duration of the coking process about 3 hours and more in all cases leads to a decrease in the content of volatile substances. The study was suggested petroleum coke can be using instead of fuel oil on industry effectiveness in cost reduction when switched over from fuel oil to petroleum coke. in the last of this work, after all the measurements and characteristic obtained, two types of treatment scheme were proposed for how to refine these types of crude oils, which give petroleum products with a high sulfur content. The research proposed the technological, ecological and economic aspects of petroleum coke as fuel, including high sulfur content, use as energy in the electrical field (electro energy), and as an alternative fuel for cement production and metallurgical manufacture.

Promoting effect of biomass ash additives on high-temperature gasification of petroleum coke: Reactivity and kinetic analysis

2020 ◽  
Vol 93 (4) ◽  
pp. 1364-1372
Author(s):  
Junqin Yu ◽  
Yan Gong ◽  
Juntao Wei ◽  
Lu Ding ◽  
Xudong Song ◽  
...  
Keyword(s):  
High Temperature ◽  
Kinetic Analysis ◽  
Petroleum Coke ◽  
Promoting Effect ◽  
Biomass Ash ◽  
Coke Reactivity

scholarly journals Thermal dissociation of sulfur species: Analyzing variations in corrosivity of different condensate feedstock

2019 ◽  
Vol 74 ◽  
pp. 2
Author(s):  
Mabruk I. Suleiman ◽  
Mohammad A. Rakib ◽  
Hala Kelani ◽  
Mustafa Karakaya ◽  
Mohamed Al Musharfy ◽  
...  
Keyword(s):  
High Temperature ◽  
Sulfur Content ◽  
Gas Flow ◽  
Thermal Dissociation ◽  
Thermal Conditions ◽  
Process Conditions ◽  
Total Sulfur ◽  
Total Sulfur Content ◽  
Parametric Studies ◽  
Sulfur Containing

Traditionally, total sulfur content of a crude or condensate feedstock introduced to atmospheric distillation units in a refinery has been used as a measure to predict the high temperature corrosivity of these feeds. Such predictions were also utilized to decide on selection of materials of construction for refinery facilities processing condensate, and many chronic problems, sometimes leading to failure of materials have been reported. In reality, in addition to the total sulfur content, it is important to conduct a profiling of the distribution of the various types of sulfur components in the condensate or crude oil. A pilot plant, mimicking the thermal conditions in a condensate preheat train, was utilized to generate trends of H2S generation under various process conditions. The experimental variables included temperature, pressure, condensate feed rates, and sweep gas flow rates. Yields of H2S generation for the different conditions have been trended for the parametric studies. Such trends were compared for two different condensate feedstock, as a fundamental step towards understanding why different condensate feedstock exhibit significantly different pattern of H2S generation, and hence different corrosivity under similar high temperature processing conditions. Chromatograms of all sulfur containing species, as well as key types of sulfur-containing species have been presented to demonstrate why the H2S yield patterns can vary among different condensates.

scholarly journals Study on Sulfur Transfer Behavior during Refining of Rejected Electrolytic Manganese Metal

Metals ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 751 ◽  
Author(s):  
Wang ◽  
Liu ◽  
Wang ◽  
Cao ◽  
Li
Keyword(s):  
Heating Temperature ◽  
Experimental Studies ◽  
Sulfur Removal ◽  
Outer Side ◽  
Electric Resistance Furnace ◽  
Desulfurization Rate ◽  
Removal Ratio ◽  
Sulfur Transfer ◽  
Electrolytic Manganese ◽  
Transfer Behavior

A slag treatment method was proposed to recycle rejected electrolytic manganese metal. To improve the sulfur removal ratio, computational fluid dynamics and experimental studies of the sulfur transfer behavior during the refining process were carried out. Experiments of slag-metal reaction for desulfurization were carried out using an electric resistance furnace at temperatures ranging from 1773 K to 1923 K. A transient three-dimensional coupled numerical model was established to represent the three-phase flow, heat and mass transfer in the experiment. The desulfurization rate was described by a metallurgical kinetics module, which was related to the slag composition, the interfacial tension coefficient, the flow and the temperature of the melt. The predicted sulfur content agreed reasonably well with the measured data. The temperature of the fluids at the outer side of the crucible was higher than that at the center, resulting in a larger sulfur partition ratio and a more vigorous flow. The sulfur transfer rate was higher at the outer edge of the molten slag–molten manganese interface. The sulfur removal ratio increased from 51.4% to 85.1% with a change in heating temperature from 1773 K to 1873 K, and slightly dropped to 83.3% when the heating temperature increased to 1923 K. The heating temperature of 1873 K is the optimal choice for recycling in the present work.

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