Lg Chem, Ltd

Shanjin Optoelectronics (suzhou) Co., Ltd.

Korea Institute of Energy Research

Korea Research Institute of Bioscience and Biotechnology

Lx Semicon Co., Ltd.

Korea Aerospace Research Institute

Center for Advanced Meta-materials

Shanjin Optoelectronics (nanjing) Co., Ltd.

Tae Woo Kim

Sung Kyu Lee

Joon Ho Shin

Sung June Hwang

Yeon Uk Choo

Jin Yong Park

Sung Kyun Kim

Byung Woo Choi

Hyun Soo Lee

Gae Sung Kim

In Seop Kim

Sang Hyun Nah

Sa Eun Park

Sik Ki

Young Gon Kim

Jong Suh Park

Young Tae Kim

Jong Ku Lee

Gun Woo Moon

Hak Joo Lee

Se Ho Park

Se Young Kim

Kyu Ho Kim

Jae Min Choi

Jung Joon Yoo

Young Il Yeom

Seong Ok Han

Hyun Uk Kim

Dong Chul Lee

Seok Goo Lee

Won Chul Lee

Kyung Chan Park

Jeong Eon Park

Dong Gil Jeong

Ho Yul Choi

Hyang-Sook Yoo

Doo Won Seo

Ki Jun Jung

Suk-Jin Yang

Won Joon Hwang

Young Hoon Seong

Jun Cheol Shin

In Sub Han

Yoonseok Choi

Sang Kuk Woo

Zee-Yong Park

Yun Kyung Kang

Eung Ki Lee

Byung-Jung Choi

Min Yeong Jo

Hyun Ahm Shon

Yeonuk Choo

Ju Hyun Bae

Se Gi Byun

Yogendra Kumar

Khyung Sik Cho

Inseop Kim

Dong Ha Lee

Hong Soo Joo

Hyo Jung Hwang

Soo Hyun Kim

Hyung Joon Bang

Segi Byun

Sun Dong Kim

Provided is a method for preparing synthesis gas, and more particularly, a method for preparing synthesis gas including: supplying a cracked gas stream discharged from a cracking furnace of a naphtha cracking center (NCC) process to a gasoline fractionator, separating a side discharge stream from the gasoline fractionator using a first stripper, and separating a lower discharge stream from the gasoline fractionator using a second stripper, wherein a mixed oil stream of a PGO stream and a PFO stream formed by controlling a flow rate of each stream are used.

Method for preparing synthesis gas

A method of preparing isopropyl alcohol, where a propylene monomer and water are reacted in a reactor to produce a reaction product including isopropyl alcohol, and the reaction product stream is separated into unreacted propylene monomer and isopropyl alcohol with high purity using an absorption column, a first gas purification column, a second gas purification column, and an inert gas removal column.

Method for preparing isopropyl alcohol

Provided is a method for preparing synthesis gas, and more particularly, a method for preparing synthesis gas including: supplying a pyrolysis fuel oil (PFO) stream including a PFO and a pyrolysis gas oil (PGO) stream including a PGO discharged from a naphtha cracking center (NCC) process to a distillation tower as a feed stream (S); and supplying a lower discharge stream from the distillation tower to a combustion chamber for a gasification process to obtain synthesis gas (S), wherein the PGO stream is supplied to an upper end of the distillation tower and the PFO stream is supplied to a lower end of the distillation tower.

The present disclosure provides a multi-component mixture separation system including a distillation column including a first section and a second section separated by a partition wall, and a phase separator receiving a lower discharge stream of the second section and separating the stream into an aqueous phase and an oil phase, and refluxing a portion of the separated aqueous phase or oil phase to the first section, in which the first section includes a chimney tray provided on an upper portion, and the first section is fed with a feed stream containing three or more components to separate high-boiling point component to a lower portion, and a gaseous component moves to the second section.

Multi-component mixture separation system

A method of removing a metal substance in a petrochemical product including: supplying a petrochemical product stream to an incoming tank through a supply pipe, circulating the petrochemical product stream through an incoming tank circulation pipe, and removing a metal substance included in the petrochemical product stream using a magnetic filter; transporting the petrochemical product stream to an outgoing tank through an incoming tank discharge pipe which is branched from the incoming tank circulation pipe and connected to an outgoing tank; circulating the petrochemical product stream through an outgoing tank circulation pipe provided in the outgoing tank and removing the metal substance included in the petrochemical product stream using a magnetic filter; and transporting the petrochemical product stream to a branch pipe branched from the outgoing tank circulation pipe to remove the metal substance using an ion exchange resin filter.

Method of removing metal substance in petrochemical product

Provided is a method for preparing synthesis gas and aromatic hydrocarbons, and more particularly, a method for preparing synthesis gas and aromatic hydrocarbons including: supplying a pyrolysis fuel oil (PFO) stream containing PFO and a pyrolysis gas oil (PGO) stream containing PGO to a distillation tower as a feed stream (S), the PFO stream and the PGO stream being discharged from a naphtha cracking center (NCC) process; and supplying a lower discharge stream from the distillation tower to a combustion chamber for a gasification process and supplying an upper discharge stream from the distillation tower to an SM/BTX preparation process (S).

Method for preparing synthesis gas and aromatic hydrocarbon

The present application relates to an optical film and a method for producing a polarizing plate. The present application can provide an optical film satisfying optical and mechanical durability required in a polarizing plate effectively and capable of forming a polarizing plate without causing bending when applied to a display device, and a method for producing a polarizing plate to which the optical film is applied. The present application can provide an optical film capable of realizing the required optical and mechanical durability without causing bending even in a polarizing plate applied to a thin display device and/or a thin polarizing plate, and a method for producing a polarizing plate to which the optical film is applied.

Production method of optical film

An apparatus for producing aromatic hydrocarbons including: a C6 separation column; a C7 separation column; a first gasoline hydrogenation unit; a C8 separation column; an extractive distillation column; a hydrodealkylation reaction unit; and a second gasoline hydrogenation unit.

Apparatus for producing aromatic hydrocarbons

A method of preparing isopropyl alcohol including: supplying a feed stream including a propylene monomer and water to a reaction unit and reacting the propylene monomer and water to produce a reaction product including isopropyl alcohol, the propylene monomer, and the water; supplying a first discharge stream including a gaseous reaction product and a second discharge stream including a liquid reaction product from the reaction unit to a stripper; and in the stripper, circulating an upper discharge stream including the propylene monomer to the reaction unit and supplying a lower discharge stream including water and isopropyl alcohol to an isopropyl alcohol purification unit, where the first discharge stream is condensed by a first heat exchanger and supplied as a liquid phase to the stripper.

Method of preparing isopropyl alcohol

The present application relates to a polarizing plate. The present application can provide a polarizing plate having excellent optical and mechanical durability even when it is formed in a thin thickness or is applied to a thin display device and without causing bending or twisting when applied to a display device.

Polarizing plate

A method for preparing isopropyl alcohol including: feeding a feed stream containing a propylene monomer and water to a reaction unit, where the propylene monomer and the water react to form a reaction product containing isopropyl alcohol, the propylene monomer, and the water; feeding each of a first discharge stream and a second discharge stream discharged from the reaction unit to a stripper, where the first discharge stream contains a vapor-phase reaction product, which is condensed through a first heat exchanger and fed to the stripper in a liquid-phase, and wherein the second discharge stream contains a liquid-phase reaction product; and separating a top discharge stream and a bottom discharge stream from the stripper, wherein the top discharge stream contains the propylene monomer and the bottom discharge stream contains the water and the isopropyl alcohol.

Method of producing aromatic hydrocarbons including: supplying a raw material stream to a C6 separation column, supplying an upper discharge stream from the C6 separation column to a first gasoline hydrogenation unit, and supplying a lower discharge stream from the C6 separation column to a C7 separation column; supplying an upper discharge stream from the C7 separation column to a hydrodealkylation reaction unit and supplying a lower discharge stream from the C7 separation column to a C8 separation column; separating benzene from discharged streams from the first gasoline hydrogenation unit and the hydrodealkylation reaction unit; removing a lower discharge stream from the C8 separation column and supplying an upper discharge stream from the C8 separation column to a second extractive distillation column; and separating styrene from a lower discharge stream of the second extractive distillation column and separating xylene from an upper discharge stream of the second extractive distillation column.

Method of producing aromatic hydrocarbons

Provided is a waste water incineration method including (S) supplying waste water to an evaporator to evaporate the waste water, (S) supplying an evaporator top discharge stream discharged from the evaporator to an incinerator to incinerate the discharge stream, (S) mixing a first incinerator discharge stream and a second incinerator discharge stream discharged from the incinerator to form a mixed discharge stream, and (S) heat-exchanging the mixed discharge stream and a fresh air stream in a first heat exchanger, wherein the mixed discharge stream which has passed through the first heat exchanger is heat-exchanged in a second heat exchanger and discharged to the atmosphere.

Waste water incineration method and apparatus for the same

The present invention relates to a metal-organic framework and an energy storage system having the same, and more specifically, to an energy storage system that is capable of providing excellent electrical conductivity and electrochemical capacity properties, especially excellent electrochemical performance at low temperatures, by means of a novel one-dimensional metal-organic framework having thianthrene-based organic ligands.

Metal organic frameworks and energy storage system including this

A waste water incinerating method comprising supplying waste water to an evaporator to evaporate the waste water, supplying an evaporator top discharge stream discharged from the evaporator to an incinerator to incinerate the discharge stream, mixing two or more incinerator discharge streams including a first incinerator discharge stream and a second incinerator discharge stream discharged from the incinerator to form a mixed discharge stream, and heat-exchanging the mixed discharge stream and a fresh air stream in a first heat exchanger, wherein the first incinerator discharge stream is passed through a second heat exchanger, then mixed with the second incinerator discharge stream to form the mixed discharge stream.

Waste water incinerating method and apparatus therefor

Growing community of inventors

Daejeon, South Korea

Tae Woo Kim