Patents by Inventor Ik Hwan Na

Ik Hwan Na has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240360373
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and associated system provide for pretreating waste plastics; a producing a pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process a pyrolysis oil by introducing the pyrolysis gas into a hot filter; dehydrating a first mixed solution, obtained by mixing the produced pyrolysis oil with washing water and a demulsifier, by applying a voltage to the first mixed solution; hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution with a sulfur source to produce a refined pyrolysis oil from which impurities are removed; and coking the refined pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor.
    Type: Application
    Filed: April 17, 2024
    Publication date: October 31, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Min Gyoo PARK, Ik Hwan NA, Min Woo SHIN, Seung Han YU, Jae Hwan LEE, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352329
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor, producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and dewaxing the pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 5, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352331
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and a coking process of coking the pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 8, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240351869
    Abstract: A method and associated system for producing syngas containing hydrogen from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and gasifying the pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces syngas containing hydrogen from the waste plastics.
    Type: Application
    Filed: April 8, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240351871
    Abstract: A method and associated system for producing syngas containing hydrogen from waste plastics. The method and system provide for pretreating waste plastics; producing a pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing from a lightening reaction a pyrolysis oil by introducing the pyrolysis gas into a hot filter; dehydrating a first mixed solution, obtained by mixing the produced pyrolysis oil with washing water and a demulsifier, by applying a voltage to the first mixed solution; hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution with a sulfur source to produce a refined pyrolysis oil from which impurities are removed; and gasifying the refined pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor.
    Type: Application
    Filed: April 19, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Min Gyoo PARK, Ik Hwan NA, Min Woo SHIN, Seung Han YU, Jae Hwan LEE, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352348
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method includes: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and isomerizing the pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 15, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352332
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and a reforming process of reforming the pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 9, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352334
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for pretreating waste plastics; producing a pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process a pyrolysis oil by introducing the pyrolysis gas into a hot filter; dehydrating a first mixed solution, obtained by mixing the produced pyrolysis oil with washing water and a demulsifier, by applying a voltage to the first mixed solution; hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution with a sulfur source to produce a refined pyrolysis oil from which impurities are removed; and alkylating a third mixed solution obtained by mixing the refined pyrolysis oil and olefins, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor.
    Type: Application
    Filed: April 12, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Min Gyoo PARK, Ik Hwan NA, Min Woo SHIN, Seung Han YU, Jae Hwan LEE, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352345
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and subjecting the pyrolysis oil to solvent extraction, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 5, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352360
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and a hydrotreating process of hydrotreating the pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 9, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352347
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and subjecting the pyrolysis oil to secondary pyrolysis, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 9, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352330
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for: pretreating waste plastics; producing pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing in a lightening process pyrolysis oil by introducing the pyrolysis gas into a hot filter; and alkylating a mixed solution obtained by mixing the pyrolysis oil and olefins, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from the waste plastics.
    Type: Application
    Filed: April 8, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Ik Hwan NA, Min Gyoo PARK, Min Woo SHIN, Seung Han YU, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352333
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for pretreating waste plastics; producing a pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing a pyrolysis oil by introducing the pyrolysis gas into a hot filter; dehydrating a first mixed solution, obtained by mixing the produced pyrolysis oil with washing water and a demulsifier, by applying a voltage to the first mixed solution; hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution with a sulfur source to produce a refined pyrolysis oil from which impurities are removed; and isomerizing the refined pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor. The system produces refined hydrocarbons from waste plastics.
    Type: Application
    Filed: April 11, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Min Gyoo PARK, Ik Hwan NA, Min Woo SHIN, Seung Han YU, Jae Hwan LEE, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240352335
    Abstract: A method and associated system for producing refined hydrocarbons from waste plastics. The method and system provide for pretreating waste plastics; producing a pyrolysis gas by introducing the waste plastics pretreated in the pretreatment process into a pyrolysis reactor; producing pyrolysis oil by introducing the pyrolysis gas into a hot filter; dehydrating a first mixed solution, obtained by mixing the produced pyrolysis oil with washing water and a demulsifier, by applying a voltage to the first mixed solution; hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution with a sulfur source to produce a refined pyrolysis oil from which impurities are removed; and dewaxing the refined pyrolysis oil, wherein a liquid condensed in the hot filter is re-introduced into the pyrolysis reactor.
    Type: Application
    Filed: April 15, 2024
    Publication date: October 24, 2024
    Inventors: Sang Hwan JO, Yong Woon KIM, Soo Kil KANG, Min Gyoo PARK, Ik Hwan NA, Min Woo SHIN, Seung Han YU, Jae Hwan LEE, Jin Seong JANG, Yong Seong JEONG
  • Publication number: 20240158705
    Abstract: The present disclosure provides a method and device for refining waste plastic pyrolysis oil, the method including (S1) subjecting a waste plastic pyrolysis oil feedstock to a heat treatment by charging the waste plastic pyrolysis oil feedstock into a rotary kiln reactor and increasing a temperature of the rotary kiln reactor to form a product; (S2) recovering a gas component from the product of step (S1); (S3) separating a high boiling point wax component from the recovered gas component and re-supplying the separated high boiling point wax component to the rotary kiln reactor in step (S1); and (S4) recovering refined oil from the gas component from which the high boiling point wax component is removed.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 16, 2024
    Inventors: Sang Hwan Jo, Soo Kil Kang, Ik Hwan Na, Ho Won Lee, Jae Heum Jung, Se Rah Moon, Hee Young Jeon