Use of ozone in treating condensates from delayed coking to remove phenols and 3,4-benzpyrene

1979 ◽  
Vol 15 (10) ◽  
pp. 771-774
Author(s):  
V. I. Nazarov ◽  
A. Kh. Onegova ◽  
N. A. Khol'kina
Keyword(s):  
Delayed Coking

Processing heavy crudes by delayed coking

1984 ◽  
Vol 20 (7) ◽  
pp. 322-325
Author(s):  
D. F. Varfolomeev ◽  
A. I. Stekhun
Keyword(s):  
Delayed Coking

Life Cycle Cost Analysis of Coke Production from Delayed Coking Process

2013 ◽  
Vol 849 ◽  
pp. 380-386 ◽  
Author(s):  
Ren Jin Sun ◽  
Keng H. Chung ◽  
Siauw Ng ◽  
Hao Wang
Keyword(s):  
Carbon Dioxide ◽  
Life Cycle ◽  
Life Cycle Cost ◽  
Negative Impact ◽  
Coke Production ◽  
Life Cycle Cost Analysis ◽  
Environmental Costs ◽  
Delayed Coking ◽  
Processing Cost ◽  
Coke Producer

Life cycle cost (LCC) analysis was performed for a 1.6 million tons per year (30,000 BPD) delayed coking unit. The results show that the LCC of coke production is higher than the price of coke and profits are obtained at the expense of environmental costs. The feedstock cost accounts for a majority of LCC. The variability impacts of processing expenses and carbon dioxide (CO2) price on LCC are relative similar. This suggests that if a higher CO2 price is imposed on coke production, it is unlikely that the producer will make any effort to reduce the CO2 emissions either by improving the efficiency of coking process or implement CO2 remediation initiatives. The CO2 price increase will be considered as a processing cost increase. The green factor (GF) is predominantly dependent on coke price; an increased coke price improves the GF significantly. Increased CO2 price has a negative impact on GF, but the relative incremental impact of CO2 price on GF is less at high CO2 prices. Hence, there is little can be done to improve the GF of coke production, since the coke price is beyond the control of coke producer.

Calculation of Reaction Network and Product Properties of Delayed Coking Process Based on Structural Increments

2021 ◽  
pp. 133764
Author(s):  
Lei Ye ◽  
Xinglong Qin ◽  
Alqubati Murad ◽  
Jichang Liu ◽  
Qiang Ying ◽  
...  
Keyword(s):  
Reaction Network ◽  
Delayed Coking ◽  
Structural Increments

Delayed-Coking Process Update

1986 ◽  
pp. 155-171 ◽  
Author(s):  
Robert DeBiase ◽  
John D. Elliott ◽  
Thomas E. Hartnett
Keyword(s):  
Delayed Coking

A technology for multifunctional hydroprocessing of oil residues (vacuum residue and atmospheric residue) on the catalysts with hierarchical porosity

2021 ◽  
Vol 21 (5) ◽  
pp. 331-360
Author(s):  
E. V. Parkhomchuk ◽  
K. V. Fedotov ◽  
A. I. Lysikov ◽  
A. V. Polykhin ◽  
E. E. Vorobyeva ◽  
...  
Keyword(s):  
Economic Efficiency ◽  
Material Balance ◽  
Value Added ◽  
Oil Refining ◽  
Vacuum Residue ◽  
Process Data ◽  
Marine Fuel ◽  
Delayed Coking ◽  
Oil Refineries ◽  
Atmospheric Residue

A technology for catalytic hydroprocessing of oil residues – atmospheric residue and vacuum residue – aimed to obtain high value added petrochemicals, particularly marine fuel complying with modern technical and environmental requirements, is reported. The technologyis based on the use of catalysts supported on alumina with a hierarchical structure of meso- and macropores, which are highly active and stable under severe conditions of the process. Data obtained by physicochemical analysis of the chemical composition, textural and phase properties of fresh and spent catalysts for the three-step hydroprocessing of atmospheric residue and vacuum residue are presented. A material balance for each step of the processes and a comprehensive analysis of the properties of produced petrochemicals were used to propose variants of implementing and integrating the technology at Russian oil refineries in order to increase the profit from oil refining. The introduction of the hydroprocessing of atmospheric residue at oil refineries without secondary processes will improve the economic efficiency due to selling the atmospheric residue by 84–170 % depending on a chosen scheme of the process and a required set of products. It is reasonable to integrate the catalytic hydroprocessing of vacuum residue with the delayed coking, catalytic cracking and hydrocracking processes in order to increase the depth of refining to 95 % and extend the production of marketable oil refining products: gasoline, diesel fuel, marine fuel with the sulfur content below 0.5 %, and low-sulfur refinery coke for the electrode industry. The integration of the hydroprocessing of vacuum residue with the secondary processes will increase the economic efficiency from selling the vacuum residue by a factor of 2–2.5 in comparison with its production in delayed coking units.

Advanced Catalysis and Processes to Convert Heavy Residues Into Fuels and High Value Chemicals

2020 ◽  
pp. 110-138
Author(s):  
Feras Ahmed Alshehri ◽  
Saeed M. Al-Shihri ◽  
Mohammed C. Al-Kinany ◽  
Bandar M. Al-Hudaib ◽  
Abdulaziz F. Al-Ghashem ◽  
...  
Keyword(s):  
Catalytic Cracking ◽  
Economic Value ◽  
International Market ◽  
Refining Process ◽  
Heavy Petroleum ◽  
Reduced Pressure ◽  
Delayed Coking ◽  
Economic Competitiveness ◽  
Fluidized Catalytic Cracking ◽  
Liquid Products

The petroleum refining process begins with distillation, first at atmospheric pressure and after at reduced pressure. The volatile fractions, in both cases, have greater economic value, and the distillation residue-produced atmospheric residue and vacuum residue represent a significant portion of a barrel of crude. The need to convert bottom of the barrel into cleaner and more valuable olefins and liquid products is continuously increasing. Thus, residue must be converted into more valuable products, and further processes can be employed for upgrading residue. Examples are delayed coking, visco-reduction, and fluidized catalytic cracking. On the other hand, the optimization of refining facilities to deal with such feeds brings economic competitiveness since these oils have low prices in the international market. Studies on processes and catalytic cracking are quite important under this aspect. The conversion of heavy petroleum fraction into valuable liquid products and high value chemicals has been important objectives for upgrading heavy petroleum oils.

Organic matter in delayed coking wastewater: Molecular composition and its effect on emulsification

Fuel ◽  
2020 ◽  
Vol 279 ◽  
pp. 118432
Author(s):  
Chen He ◽  
Heng Zhong ◽  
Yiping Zhang ◽  
Yuguo Li ◽  
Keng H. Chung ◽  
...  
Keyword(s):  
Organic Matter ◽  
Molecular Composition ◽  
Coking Wastewater ◽  
Delayed Coking
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