Patent
Method for perfectly and catalytically hydroforming heavy petroleum feedstock
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The article was published on 1996-12-10. It has received 12 citations till now. The article focuses on the topics: Hydroforming.read more
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Patent
Ebullated bed hydroprocessing methods and systems and methods of upgrading an existing ebullated bed system
Roger K. Lott,Lap-Keung Lee +1 more
TL;DR: In this paper, a colloidal or molecular catalyst is formed by intimately mixing a catalyst precursor composition into a heavy oil feedstock and raising the temperature of the feedstock to above the decomposition temperature of a precursor composition to form the colloidal and molecular catalyst in situ.
Patent
Methods for increasing catalyst concentration in heavy oil and/or coal resid hydrocracker
Robert K. Lott,Yu-Hwa Chang +1 more
TL;DR: In this paper, methods and systems for hydrocracking a heavy oil feedstock using a colloidally or molecularly dispersed catalyst (e.g., molybdenum sulfide) are described.
Patent
Methods and mixing systems for introducing catalyst precursor into heavy oil feedstock
TL;DR: In this paper, a method for mixing a catalyst precursor with a heavy oil feedstock to achieve thorough dispersion of the catalyst precursor facilitates and maximizes the advantages of the colloidal or molecular hydroprocessing catalyst.
Patent
Two-step hydroprocessing method for heavy hydrocarbon oil
Hiroshi Toshima,Satoshi Abe +1 more
TL;DR: In this article, a method is described for hydroprocessing a heavy hydrocarbon oil, comprising a first hydroprocessing step of bringing the hydroprocessed oil obtained from the first reaction zone into contact with a Catalyst with a specific surface area and pore size distribution in the presence of hydrogen in a second reaction zone containing the Catalyst.
Patent
Methods and systems for upgrading heavy oil using catalytic hydrocracking and thermal coking
Everette Harris,Jeffrey Gendler +1 more
TL;DR: The colloidal or molecular catalyst promotes upgrading reactions that reduce the quantity of asphaltenes or other coke forming precursors in the feedstock, increase hydrogen to carbon ratio in the upgraded material, and decrease boiling points of hydrocarbons in the upgrading material.