Sk Innovation Co., Ltd.

Korea Basic Science Institute

Sk Geo Centric Co., Ltd.

Sk Enmove Co., Ltd.

Sk Global Chemical Co., Ltd.

Sk Lubricants Co., Ltd.

Yeon Ho Kim

Hee Jung Jeon

Yoon Kyung Lee

Seung Woo Lee

Hae Jin Kim

Won Gi Hong

Ho Won Lee

Sang Il Lee

Ji Hoon Lee

Young Moo Park

Ok Youn Kim

Ka Young Kim

Jin Bae Lee

Sang Moon Lee

Yong Woo Kim

Yong Woon Kim

Young Eun Cheon

Jin Hee Ok

Seon Ju Lim

Wan Seop Kwon

Kyung Jong Oh

Jong Guk Kim

Seung Eon Lee

Dae Sung Song

Hee Du Lee

According to an aspect of the present invention, provided is a zeolite catalyst having an MRE structure for hydro-isomerization. The zeolite catalyst has an adsorption volume ratio of lutidine to collidine measured by Fourier-transform infrared spectroscopy (FTIR) using lutidine and collidine as adsorbents of greater than 3 and less than or equal to 10. According to an aspect of the present invention, provided is a method of hydro-isomerization for a hydrocarbon feedstock, including subjecting the hydrocarbon feedstock to a hydro-isomerization reaction under conditions of a temperature of 200° C. to 500° C., a hydrogen pressure of 1 to 200 atmospheres, a liquid space velocity (LHSV) of 1.0 to 10.0 hr, and the hydrogen/feedstock ratio of 45 to 1780 Nm/min the presence of the zeolite catalyst.

Zeolite with improved hydro-isomerization activity

Provided are a method of producing a Lube base oil composition including a) reacting at least a part of waste plastic pyrolysis oil having a boiling point in a range of 180 to 340° C. to remove impurities and oligomerize the oil; and b) hydroisomerizing at least a part of the product of step a). A lube base oil composition is also produced therefrom.

Method of producing lube base oil from middle distillate in pyrolysis oil derived from waste plastic

The present disclosure provides a catalyst for SRO reactions. The catalyst includes a solid acid material and a metal. In this case, pores of the catalyst corresponding to at least 20% of the total pore volume of the catalyst have a pore size of 10 nm or more. The present disclosure also provides a method of using the catalyst.

Catalyst for selective ring-opening reaction and method of using same

Provided are a method of producing a lubricating base oil composition including a) reacting at least a part of waste plastic pyrolysis oil having a boiling point in a range higher than 340&#xb0; C. to remove impurities and structurally isomerizing the oil; and b) hydroisomerizing at least a part of the product of step a), and a lubricating base oil composition produced therefrom. A lubricating base oil, which has more methyl branches than petroleum-based lubricating base oil, to have improved low-temperature properties may be provided.

Method of producing lubricating base oil from atmospheric residue in pyrolysis oil derived from waste plastic

Disclosed are a catalyst and a preparation method therefor, the catalyst being able to maintain a high production yield of C8 aromatic hydrocarbons in the process of converting a feedstock containing alkyl aromatics to C8 aromatic hydrocarbons such as mixed xylene through disproportionation/transalkylation/dealkylation while reducing a content of ethylbenzene in the products.

Catalyst for producing C8 aromatic hydrocarbon having reduced ethylbenzene content and preparation method therefor

Provided are an anode active material for secondary battery which includes porous iron oxide nanoparticles, a manufacturing method thereof, and a secondary battery including the same. The anode active material for secondary battery of the present disclosure minimizes a volume change of iron oxide caused by intercalation and deintercalation of lithium even during consecutive charges and discharges and thus can improve the capacity and lifespan characteristics of a secondary battery employing the anode active material. Further, the manufacturing method of an anode active material for secondary battery makes it possible to manufacture an anode active material for secondary battery including iron oxide nanoparticles in an environmentally friendly and simple manner and thus makes it possible to mass-produce the anode active material.

Anode active material for secondary battery, manufacturing method thereof, and lithium secondary battery including the same

The present disclosure provides a process for effectively separating and removing by-products (light gas, C5-C6 hydrocarbon oil fraction, polyethylbenzene) contained in a substantial amount in addition to ethylbenzene as a target compound in an alkylation reaction product of a fluidized catalytic cracking off-gas to prepare ethylbenzene having high purity, and process economical efficiency may be secured by utilizing the polyethylbenzene as an absorbent or gasoline fraction, without requiring a transalkylation reaction for further producing ethylbenzene from polyethylbenzene.

Method for recovering ethylbenzene from alkylation product of fluidized catalytic cracking off-gas and benzene

The present disclosure relates to manganese oxide nano-rods in the form of a core-shell, in which the manganese oxide nano-rods are formed in a core-shell structure, the core and the shell each include MnO, when x of MnOof the core is 1 and y is 2, x of MnOof the shell is 2 and y is 3, and when x of MnOof the core is 2 and y is 3, x of MnOof the shell is 1 and y is 2. According to the present disclosure, in the secondary battery using the manganese oxide, the elution of manganese is inhibited and the structural stability of an active material is increased, thereby increasing the capacity and the cycle life at a high temperature.

Manganese oxide nano-rods in the form of a core-shell, a method for producing the same, and an active material for a secondary battery comprising the same

The present disclosure relates to a lithium-transition metal-silicate complex that is formed into a sphere with a hollow, in which a radius of the hollow is in a range of 0.5 to 3.0 nm, and a diameter of the lithium-transition metal-silicate complex is in a range of 5 to 10 nm. The present disclosure enables to facilitate the mass production of a complex including a lithium-transition metal-silicate complex, having a micro-sized hollow, and having a spherical shape. In addition, when using a lithium-transition metal-silicate complex of the present disclosure as a cathode active material for a lithium secondary battery, it is capable of providing a cathode active material for a lithium-ion battery excellent in charging and discharging characteristics as well as in high-rate characteristics. In addition, a lithium-transition metal-silicate complex manufactured according to the present disclosure may implement properties of materials of lithium, transition metal, and silicate as well as its structural characteristics, and thus, it can be effectively applied in various industrial fields.

Hollow spherical lithium-transition metal-silicate composites, preparation method thereof, and cathode active material for lithium secondary batteries comprising the same

Disclosed is a method of preparing a drilling fluid and lube base oil using biomass-derived fatty acid, including hydrogenating a fatty acid mixture derived from fat of biological origin so as to be converted into a fatty alcohol mixture, which is then dehydrated to give a C16 and C18 linear internal olefin mixture, which is then oligomerized to give olefinic lube base oil, followed by hydrofinishing to remove the olefin, yielding high-quality lube base oil (e.g. Group III or higher lube base oil). The C16 and C18 linear internal olefin mixture, which is a reaction intermediate, can be utilized as a high-quality drilling fluid.

Method of preparing drilling fluid and lube base oil using biomass-derived fatty acid

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Daejeon, South Korea

Yeon Ho Kim