Synthesis of petroleum polymer resins by initiated oligomerization of the C8/C9 gasoline pyrolysis fraction

Dumskii, Yu. V.; Бутов, Г. М.; Чередникова, Г. Ф.; Dumskii, S. Yu.

doi:10.1134/s0965544113060066

Cited by 9 publications

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“…Currently, pyrolysis C 9 is mainly used for the production of the nine-carbon aromatic hydrocarbon resin. The potential of olefin-rich liquid pyrolysis gasoline and the corresponding C 9 and C 5 fractions as feed stocks for HR manufacturing through catalytic polymerization has been explored by various researchers in the literature. − However, the reported methods have limitations including the low yield, being limited to the laboratory scale, and the limitations in scaling-up, which make them industrially unrealistic. Furthermore, the economics and risks of industrial-scale HR manufacturing are not clear.…”

Section: Introductionmentioning

confidence: 99%

Large-Scale Production of C₉ Aromatic Hydrocarbon Resin from the Cracked-Petroleum-Derived C₉ Fraction: Chemistry, Scalability, and Techno-economic Analysis

Rahmatpour

Meymandi

2021

Org. Process Res. Dev.

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Conversion of olefin-rich side streams of petroleum distillate cracking operations, pyrolysis gasoline (pygas), to hydrocarbon resins (HRs) represents a promising technology to upgrade the pygas byproduct and facilitate pygas valorization. Several methods have been reported for the synthesis of C 9 HRs on a laboratory scale, but none has been implemented on a commercial scale. Owing to the lack of information on C 9 -HR production know-how, the current publicly available technical and financial performance analyses regarding industrial-scale C 9 HR manufacturing are insufficient to justify its feasibility. Herein, the large-scale synthesis of C 9 HR from the steam-cracked petroleum-derived C 9 fraction by two proposed catalytic polymerization processes has been developed. Two C 9 -HR manufacturing processes are divided into two processing areas, which include synthesis and purification/product recovery sections. The P-HO process is based on the catalytic co-oligomerization of the C 9 fraction as the feed, which ends after the alkali decomposition of the catalyst followed by product recovery by vacuum distillation. The P-HE process uses the same reactor, which ends after catalyst filtration followed by product recovery using vacuum distillation. The laboratory-scale experiments were performed to collect inputs for process simulation. A set of targeted experiments including the increase of the scale from the laboratory (V L = 0.0005 m 3 ) to pilot plant (V P = 0.1 m 3 ) were performed and the impact of scaling up the processes from the lab and bench to the pilot scale at equal process conditions was investigated. The differences in the HR production rate between the two scale types for the P-HO scenario are slightly greater than for the P-HE scenario. On the basis of data derived from the experimental work, a model of a large-scale installation for the production of C 9 HR with the production rate of 160 metric ton (MT)/year was developed using the Aspen Hyprotech System (HYSYS) v8.8 simulation program. The obtained data from the relevant literature and vendor were used for process equipment design and pricing. Economic feasibility showed that the P-HO scenario has more efficiency and less risk-taking than the P-HE scheme (because of valuable net present value (NPV) $10 977 billion, larger internal rate of return (IRR) 44.01% at $1900/T HR selling price, and less fluctuation against sensitivity analysis parameters).

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Section: Introductionmentioning

confidence: 99%

Large-Scale Production of C₉ Aromatic Hydrocarbon Resin from the Cracked-Petroleum-Derived C₉ Fraction: Chemistry, Scalability, and Techno-economic Analysis

Rahmatpour

Meymandi

2021

Org. Process Res. Dev.

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“…2 As the byproduct of catalytic reforming and in ethylene crackers, a large number of C 9 fractions are being produced every year. 3 However, the sulfur content of the C 9 fraction, which usually has a sulfur content of 250 mg L À1 , is getting higher. As a result of these situations, C 9 fraction desulfurization is receiving attention due to the increasing stringent regulations on sulfur content.…”

Section: Introductionmentioning

confidence: 99%

Alkylation desulfurization of the C₉ fraction over Amberlyst 36 resin

2015

RSC Adv.

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“…Recently, C 9 fraction was studied as a gasoline additive, which could enhance the economic benefits of enterprises and increase the octane number of gasoline . As the by‐products of catalytic reforming and ethylene cracker, a large number of C 9 fractions have been produced every year . However, C 9 fraction as a gasoline additive, which usually has a sulfur content of 250 mg L −1 , is getting higher in sulfur contents.…”

Section: Introductionmentioning

confidence: 99%

C₉ Fraction Alkylation Desulfurization over Amberlyst 36 Resin:The Kinetics of 2‐Ethylthiophen, 2,5‐Dimethylthiophene, and 2‐n‐Propylthiophene with Isoamylene

2015

Int J of Chemical Kinetics

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C 9 fraction is the by-products of catalytic reforming and ethylene cracker; it is considered as a kind of petroleum resin raw material. Recently, it was studied for the use as a gasoline additive to enhance the economic benefits. However, C 9 fractions are getting higher in sulfur contents. As conventional hydrotreating technology leads to significant octane number loss and processing costs, the alkylation desulfurization process, which could reduce the sulfuric compounds to hydrogen sulfide by catalytic alkylation with olefins and distillation followed by, is a rather attractive way of reducing the sulfur of C 9 fraction. In this paper, different kinds of thiophenic compounds, including 2-ethylthiophen, 2,5-dimethylthiophene, and 2-n-propylthiophene, were selected as the model compounds. Thiophenic compounds XU AND LIwere studied first by the alkylation reaction over macroporous sulfonic resin Amberlyst 36, and the octane number of C 9 fraction was measured. It was found that isoamylene and Amberlyst 36 resin had a significant effect on the alkylation desulfurization of thiophenic compounds with the conversion, reaching to above 99%. And the octane number of C 9 fraction was increased by alkylation desulfurization over Amberlyst 36 resin. Moreover, the alkylation of thiophenic sulfurs could be described as a pseudo-first-order reaction as well as the reaction rate constant, and the activation energy of alkylation reactions was calculated. C

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Synthesis of petroleum polymer resins by initiated oligomerization of the C8/C9 gasoline pyrolysis fraction

Cited by 9 publications

References 0 publications

Large-Scale Production of C₉ Aromatic Hydrocarbon Resin from the Cracked-Petroleum-Derived C₉ Fraction: Chemistry, Scalability, and Techno-economic Analysis

Large-Scale Production of C₉ Aromatic Hydrocarbon Resin from the Cracked-Petroleum-Derived C₉ Fraction: Chemistry, Scalability, and Techno-economic Analysis

Alkylation desulfurization of the C₉ fraction over Amberlyst 36 resin

C₉ Fraction Alkylation Desulfurization over Amberlyst 36 Resin:The Kinetics of 2‐Ethylthiophen, 2,5‐Dimethylthiophene, and 2‐n‐Propylthiophene with Isoamylene

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Synthesis of petroleum polymer resins by initiated oligomerization of the C8/C9 gasoline pyrolysis fraction

Cited by 9 publications

References 0 publications

Large-Scale Production of C9 Aromatic Hydrocarbon Resin from the Cracked-Petroleum-Derived C9 Fraction: Chemistry, Scalability, and Techno-economic Analysis

Large-Scale Production of C9 Aromatic Hydrocarbon Resin from the Cracked-Petroleum-Derived C9 Fraction: Chemistry, Scalability, and Techno-economic Analysis

Alkylation desulfurization of the C9 fraction over Amberlyst 36 resin

C9 Fraction Alkylation Desulfurization over Amberlyst 36 Resin:The Kinetics of 2‐Ethylthiophen, 2,5‐Dimethylthiophene, and 2‐n‐Propylthiophene with Isoamylene

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Large-Scale Production of C₉ Aromatic Hydrocarbon Resin from the Cracked-Petroleum-Derived C₉ Fraction: Chemistry, Scalability, and Techno-economic Analysis

Large-Scale Production of C₉ Aromatic Hydrocarbon Resin from the Cracked-Petroleum-Derived C₉ Fraction: Chemistry, Scalability, and Techno-economic Analysis

Alkylation desulfurization of the C₉ fraction over Amberlyst 36 resin

C₉ Fraction Alkylation Desulfurization over Amberlyst 36 Resin:The Kinetics of 2‐Ethylthiophen, 2,5‐Dimethylthiophene, and 2‐n‐Propylthiophene with Isoamylene