KR970010718A - Recovery of Aromatic Compounds from Peplastics - Google Patents

Recovery of Aromatic Compounds from Peplastics Download PDF

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Publication number
KR970010718A
KR970010718A KR1019950025537A KR19950025537A KR970010718A KR 970010718 A KR970010718 A KR 970010718A KR 1019950025537 A KR1019950025537 A KR 1019950025537A KR 19950025537 A KR19950025537 A KR 19950025537A KR 970010718 A KR970010718 A KR 970010718A
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South Korea
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recovering
catalyst
silver
nickel
alumina
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KR1019950025537A
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Korean (ko)
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김건종
조동수
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김건종
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Priority to KR1019950025537A priority Critical patent/KR970010718A/en
Publication of KR970010718A publication Critical patent/KR970010718A/en

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  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

본 발명은 플라스틱 공장의 부산물이나 혹은 폐기된 플라스틱으로부터 화학 공업 원료인 방향족 유도체의 합성에 관한 것으로, 보다 상세하게는 폴리에틸렌, 폴리프로필렌 및 폴리스티렌(스티로폴)을 열분해시킨 후에 이 생성물을 촉매반응처리하여 직접 벤젠, 톨루엔, 스티렌 모너머 등의 방향족 화합물을 고수율로 회수하는 제조방법에 관한 것으로, 페플라스틱을 500∼700℃온도에서 열분해 시키는 제1단계, 상기 분해물을 500∼700℃온도에서 금속이온 함유촉매와 반응시키는 제2단계, 상기 단계를 거쳐 얻어진 방향족 화합물을 냉각, 응축하여 회수하는 단계로 이루어짐을 특징으로 하는 페플라스틱으로부터 방향족 화합물을 회수하는 방법에 관한 기술이다.The present invention relates to the synthesis of aromatic derivatives, which are chemical raw materials, from by-products of plastic factories or from discarded plastics. More specifically, this product is subjected to catalytic reaction after thermal decomposition of polyethylene, polypropylene and polystyrene (styropol). The present invention relates to a method for recovering aromatic compounds, such as benzene, toluene, and styrene monomer, in high yield, the first step of pyrolyzing a plastic at a temperature of 500 to 700 ° C., and containing the metal ions at 500 to 700 ° C. The second step of the reaction with the catalyst, the method for recovering the aromatic compound from the plastic, characterized in that consisting of the step of cooling, condensation and recovery of the aromatic compound obtained through the above step.

Description

페플라스틱으로부터 방향족 화합물을 회수하는 방법Recovery of Aromatic Compounds from Peplastics

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 이용한 반응장치의 개략도.1 is a schematic diagram of a reactor used in the present invention.

Claims (7)

폐플라스틱을 열분해시키는 제1단계, 상기 분해물을 금속이온 함유촉매와 반응시키는 제2단계, 상기 단계를 거쳐 얻어진 방향족 화합물을 냉각, 응축하여 회수하는 단계로 이루어짐을 특징으로 하는 폐플라스틱으로부터 방향족 화합물을 회수하는 방법.A first step of thermally decomposing waste plastics, a second step of reacting the decomposition products with a metal ion-containing catalyst, and cooling, condensing and recovering the aromatic compounds obtained through the above steps is performed. How to recover. 제1항에 있어서, 제1단계와 제2단계 처리시 온도를 각각 500∼700℃로 함을 특징으로 하는 폐플라스틱으로부터 방향족 화합물을 회수하는 방법.The method for recovering aromatic compounds from waste plastics according to claim 1, wherein the temperatures of the first and second stages are set at 500 to 700 ° C. 제1항에 있어서, 플라스틱이 폴리에틸렌, 폴리프로필렌, 폴리스티렌중 1종 또는 2종 이상 혼합된 것임을 특징으로 하는 폐플라스틱으로부터 방향족 화합물을 회수하는 방법.The method of claim 1, wherein the plastic is one or two or more of polyethylene, polypropylene, and polystyrene. 제1항에 있어서, 상기한 제1단계 열분해시 나트륨 이온함유 제올라이트를 염화암모늄 수용액에서 처리한 촉매를 첨가하거나, 상기한 촉매에 알루미나를 첨가한 상태에서 열분해시킴을 특징으로 하는 폐플라스틱으로부터 방향족 화합물을 회수하는 방법.The aromatic compound from waste plastics according to claim 1, wherein during the first stage pyrolysis, a catalyst obtained by treating sodium ion-containing zeolite in an aqueous ammonium chloride solution is added or pyrolyzed in the state where alumina is added to the catalyst. How to recover. 제1항에 있어서, 제2단계에서 촉매가 니켈(Ni)과 은(Ag)이 담지된 알루미나, 나트륨이온 함유 제올라이트(이하, "ZSM-5"라함), 나트륨이온 함유 제올라이트를 염화 암모늄 수용액에서 처리한 조성물(이하, "HZSM-5"라함), 상기한 ZSM-5 또는 HZSM-5에 은(Ag), 니켈(Ni), 아연(Zn)중 1종을 담지한 조성물로 이루어진 선택한 1종 또는 니켈과 은이 담지된 알루미나와 나트륨이온 함유 제올라이트를 혼합한 것임을 특징으로 하는 폐플라스틱으로부터 방향족 화합물을 회수하는 방법.The method according to claim 1, wherein in the second step, the catalyst is alumina bearing nickel (Ni) and silver (Ag); A selected composition consisting of a composition in which a treated composition (hereinafter referred to as "HZSM-5") and one of silver (Ag), nickel (Ni), and zinc (Zn) are supported on ZSM-5 or HZSM-5 described above. Or nickel and silver-supported alumina and a sodium ion-containing zeolite. 제4항에 있어서, 알루미나 100중량부에 담지된 니켈과 은이 3∼10중량부이고, ZSM-5 또는 HZSM-5 100중량부에 담지된 은, 니켈, 아연이 3∼10중량부임을 특징으로 하는 폐플라스틱으로부터 방향족 화합물을 회수하는 방법.The method of claim 4, wherein 3 to 10 parts by weight of nickel and silver supported in 100 parts by weight of alumina, and 3 to 10 parts by weight of silver, nickel and zinc supported in 100 parts by weight of ZSM-5 or HZSM-5. A method for recovering the aromatic compound from the waste plastic. 폐플라스틱에 나트륨이온 함유 제올라이트를 염화암모늄 수용액에서 처리한 촉매를 첨가하거나, 상기 촉매에 알루미나를 첨가하여 500∼700℃에서 열분해시키는 단계와, 냉각응축 시키는 단계로 이루어짐을 특징으로 하는 폐플라스틱으로부터 방향족 화합물을 회수하는 방법.Aromatic from waste plastic, comprising the step of adding a catalyst treated with sodium ion-containing zeolite in an aqueous solution of ammonium chloride or thermally decomposing at 500 to 700 ° C. by adding alumina to the waste plastic and cooling condensation to the waste plastic. Method of recovering the compound. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950025537A 1995-08-19 1995-08-19 Recovery of Aromatic Compounds from Peplastics KR970010718A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010087776A (en) * 2001-04-18 2001-09-26 김전열 distillation- emulsifying technology through catalyst
KR20020023473A (en) * 2000-09-22 2002-03-29 손재익 Catalyst for pyrolysis oil disusing plastic and heating method thereof
KR101130337B1 (en) * 2010-04-29 2012-03-26 한국에너지기술연구원 Method of converting pyrolysis wax oil from municipal waste plastic into high-value light hydrocarbon
KR102345598B1 (en) * 2021-04-15 2021-12-30 서울시립대학교 산학협력단 Method for increasing a yield of aromatics in plastics pyrolysis products

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020023473A (en) * 2000-09-22 2002-03-29 손재익 Catalyst for pyrolysis oil disusing plastic and heating method thereof
KR20010087776A (en) * 2001-04-18 2001-09-26 김전열 distillation- emulsifying technology through catalyst
KR101130337B1 (en) * 2010-04-29 2012-03-26 한국에너지기술연구원 Method of converting pyrolysis wax oil from municipal waste plastic into high-value light hydrocarbon
KR102345598B1 (en) * 2021-04-15 2021-12-30 서울시립대학교 산학협력단 Method for increasing a yield of aromatics in plastics pyrolysis products

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