PRODUCTION OF LIQUID HYDROCARBONS FROM POLYOLEFINS BY SUPERCRITICAL WATER
Embodiments of the disclosure provide a method and system for recycling a plastic material to produce hydrocarbons. A plastic feed and a water feed are introduced to a first stage reactor. The first stage reactor is operated at a pressure equal to or greater than 22.06 MPa and a temperature equal to...
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| creator | ALNASIR, Ali, S CHOI, Ki-Hyouk ALBAHAR, Mohammed, Z |
| description | Embodiments of the disclosure provide a method and system for recycling a plastic material to produce hydrocarbons. A plastic feed and a water feed are introduced to a first stage reactor. The first stage reactor is operated at a pressure equal to or greater than 22.06 MPa and a temperature equal to or greater than 373.9 deg. C. to produce an effluent stream. Residual solid components can be removed from the effluent stream. The effluent stream is introduced to a second stage reactor. The second stage reactor is operated at a pressure less than that of the first stage reactor but equal to or greater than 22.06 MPa and a temperature greater than that of the first stage reactor to produce a product stream. The plastic feed can include polyolefins. Optionally, a sulfur additive feed can be introduced either to the first stage reactor or the second stage reactor. Optionally, a residual oil feed can be introduced either to the first stage reactor or the second stage reactor. |
| format | Patent |
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A plastic feed and a water feed are introduced to a first stage reactor. The first stage reactor is operated at a pressure equal to or greater than 22.06 MPa and a temperature equal to or greater than 373.9 deg. C. to produce an effluent stream. Residual solid components can be removed from the effluent stream. The effluent stream is introduced to a second stage reactor. The second stage reactor is operated at a pressure less than that of the first stage reactor but equal to or greater than 22.06 MPa and a temperature greater than that of the first stage reactor to produce a product stream. The plastic feed can include polyolefins. Optionally, a sulfur additive feed can be introduced either to the first stage reactor or the second stage reactor. Optionally, a residual oil feed can be introduced either to the first stage reactor or the second stage reactor.</description><language>eng ; fre ; ger</language><subject>CHEMISTRY ; CRACKING HYDROCARBON OILS ; FUELS ; LUBRICANTS ; METALLURGY ; MINERAL WAXES ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION ; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES ; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS ; REFORMING OF NAPHTHA ; TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240320&DB=EPODOC&CC=EP&NR=4048757B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240320&DB=EPODOC&CC=EP&NR=4048757B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ALNASIR, Ali, S</creatorcontrib><creatorcontrib>CHOI, Ki-Hyouk</creatorcontrib><creatorcontrib>ALBAHAR, Mohammed, Z</creatorcontrib><title>PRODUCTION OF LIQUID HYDROCARBONS FROM POLYOLEFINS BY SUPERCRITICAL WATER</title><description>Embodiments of the disclosure provide a method and system for recycling a plastic material to produce hydrocarbons. A plastic feed and a water feed are introduced to a first stage reactor. The first stage reactor is operated at a pressure equal to or greater than 22.06 MPa and a temperature equal to or greater than 373.9 deg. C. to produce an effluent stream. Residual solid components can be removed from the effluent stream. The effluent stream is introduced to a second stage reactor. The second stage reactor is operated at a pressure less than that of the first stage reactor but equal to or greater than 22.06 MPa and a temperature greater than that of the first stage reactor to produce a product stream. The plastic feed can include polyolefins. Optionally, a sulfur additive feed can be introduced either to the first stage reactor or the second stage reactor. 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A plastic feed and a water feed are introduced to a first stage reactor. The first stage reactor is operated at a pressure equal to or greater than 22.06 MPa and a temperature equal to or greater than 373.9 deg. C. to produce an effluent stream. Residual solid components can be removed from the effluent stream. The effluent stream is introduced to a second stage reactor. The second stage reactor is operated at a pressure less than that of the first stage reactor but equal to or greater than 22.06 MPa and a temperature greater than that of the first stage reactor to produce a product stream. The plastic feed can include polyolefins. Optionally, a sulfur additive feed can be introduced either to the first stage reactor or the second stage reactor. Optionally, a residual oil feed can be introduced either to the first stage reactor or the second stage reactor.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PETROLEUM, GAS OR COKE INDUSTRIES PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE |
| title | PRODUCTION OF LIQUID HYDROCARBONS FROM POLYOLEFINS BY SUPERCRITICAL WATER |
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