Polymerization, a New Source of Gasoline

Ipatieff, V. N.; Corson, B. B.; Egloff, Gustav

doi:10.1021/ie50309a027

Cited by 73 publications

(64 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…[6] nonstationary kinetic measurements [7] show that in hematite (a-Fe 2 O 3 ) NO is absorbed and activated at defects in the oxygen sublattice. [8] Conversion into N 2 proceeds via the intermediate N 2 O.…”

Section: Methodsmentioning

confidence: 99%

“…[1±3] To produce branched higher alkenes, the starting alkenes in the liquid, vapor, mixed liquid ± vapor, or supercritical phase are treated with heterogeneous acid catalysts. [1,4,5] The phosphoric acid on kieselguhr catalyst, developed in 1935 by Ipatieff and Egloff, [6] is applied for the oligomerization of dilute propene or butene streams at temperatures and pressures up to 520 K and 8.5 MPa, respectively. [7] The catalyst is not selective and the operation conditions are critical.…”

mentioning

confidence: 99%

See 1 more Smart Citation

Tailored Alkene Oligomerization with H-ZSM-57 Zeolite

Martens

Ravishankar

Mishin

et al. 2000

Angew. Chem. Int. Ed.

View full text Add to dashboard Cite

show abstract

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Tailored Alkene Oligomerization with H-ZSM-57 Zeolite

Martens

Ravishankar

Mishin

et al. 2000

Angew. Chem. Int. Ed.

View full text Add to dashboard Cite

show abstract

“…The SEM analysis of ZSM-22 crystals from Table 1 are given in Table 2 and Figs. [1][2][3] From these data it can be derived that very small, nontoxic ZSM-22 crystals can be obtained by applying stirring during the synthesis. …”

Section: Morphologymentioning

confidence: 99%

“…In 1935, Ipatieff et al [1] of Universal Oil Products Company (UOP) introduced a process in which propene/butene mixtures are converted over supported phosphoric acid into a distillate range product. Since its introduction the process has been further optimized and developed.…”

Section: Introductionmentioning

confidence: 99%

The development of an environmental friendly catalytic system for the conversion of olefins

Martens¹,

Verduijn²,

Mathys³

1997

Catalysis Today

View full text Add to dashboard Cite

An elegant method is described for the synthesis of ZSM-22. By controlled addition of seeds and applying stirring during the crystallization, the phase purity and the crystal size can be controlled. The H-ZSM-22 is tested in the dense phase oligomerization of propene at 180-250°C and 70 bar. It is found that adding small amounts of water significantly increases the activity and decreases the deactivation of the catalyst. Secondly, it is shown that catalyst activity is higher after calcination at 400°C versus 550°C and that smaller crystal sizes positively affect the catalyst activity. Both observations are ascribed to the presence of active sites located near the zeolite outer surface accounting for a major part of the catalytic activity.

show abstract

“…[1][2][3][4][5] The main disadvantages of UOP's catalyst are: short catalyst life, lack of any possibility to tailor the catalyst properties to product demand, problems for catalyst discharging from the reactor and environmental issues related to disposal. Owing to these problems, other solid acid catalysts, such as zeolites, were investigated.…”

Section: Introductionmentioning

confidence: 99%