RECYCLED HYDROGEN-DONOR SOLVENT FOR DIRECT COAL LIQUEFACTION AND PREPARATION METHOD THEREFOR AND USE THEREOF
The present invention provides a recycled hydrogen-donor solvent for direct coal liquefaction and a preparation method therefor and a use thereof. By using the preparation method of the present invention to provide a recycled hydrogen-donor solvent, a recycled hydrogen-donor solvent having a good hy...
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| creator | SHAN, Xiangen WANG, Hongxue XIE, Jing JIA, Zhenbin YANG, Geling SHU, Geping GAO, Shansong CAO, Xueping BAI, Xuemei |
| description | The present invention provides a recycled hydrogen-donor solvent for direct coal liquefaction and a preparation method therefor and a use thereof. By using the preparation method of the present invention to provide a recycled hydrogen-donor solvent, a recycled hydrogen-donor solvent having a good hydrogen-donating capability can be obtained by means of a relatively simple process flow. The preparation method comprises the following steps: 1) carrying out first fractionation on oil from direct coal liquefaction to obtain liquefied medium oil and liquefied heavy oil; 2) feeding the liquefied heavy oil into a first hydrogenation reactor for a first-stage hydrogenation reaction; 3) feeding the liquefied medium oil and the liquefied heavy oil having undergone the first-stage hydrogenation reaction in step 2) into a second hydrogenation reactor for a second-stage hydrogenation reaction to obtain hydrogenated product oil; 4) carrying out second fractionation on the hydrogenated product oil to obtain medium-temperature solvent oil and high-temperature solvent oil; and 5) mixing the medium-temperature solvent oil and the high-temperature solvent oil to prepare the recycled hydrogen-donor solvent. |
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By using the preparation method of the present invention to provide a recycled hydrogen-donor solvent, a recycled hydrogen-donor solvent having a good hydrogen-donating capability can be obtained by means of a relatively simple process flow. The preparation method comprises the following steps: 1) carrying out first fractionation on oil from direct coal liquefaction to obtain liquefied medium oil and liquefied heavy oil; 2) feeding the liquefied heavy oil into a first hydrogenation reactor for a first-stage hydrogenation reaction; 3) feeding the liquefied medium oil and the liquefied heavy oil having undergone the first-stage hydrogenation reaction in step 2) into a second hydrogenation reactor for a second-stage hydrogenation reaction to obtain hydrogenated product oil; 4) carrying out second fractionation on the hydrogenated product oil to obtain medium-temperature solvent oil and high-temperature solvent oil; and 5) mixing the medium-temperature solvent oil and the high-temperature solvent oil to prepare the recycled hydrogen-donor solvent.</description><language>eng</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=20241003&DB=EPODOC&CC=AU&NR=2023422922A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20241003&DB=EPODOC&CC=AU&NR=2023422922A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHAN, Xiangen</creatorcontrib><creatorcontrib>WANG, Hongxue</creatorcontrib><creatorcontrib>XIE, Jing</creatorcontrib><creatorcontrib>JIA, Zhenbin</creatorcontrib><creatorcontrib>YANG, Geling</creatorcontrib><creatorcontrib>SHU, Geping</creatorcontrib><creatorcontrib>GAO, Shansong</creatorcontrib><creatorcontrib>CAO, Xueping</creatorcontrib><creatorcontrib>BAI, Xuemei</creatorcontrib><title>RECYCLED HYDROGEN-DONOR SOLVENT FOR DIRECT COAL LIQUEFACTION AND PREPARATION METHOD THEREFOR AND USE THEREOF</title><description>The present invention provides a recycled hydrogen-donor solvent for direct coal liquefaction and a preparation method therefor and a use thereof. By using the preparation method of the present invention to provide a recycled hydrogen-donor solvent, a recycled hydrogen-donor solvent having a good hydrogen-donating capability can be obtained by means of a relatively simple process flow. 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By using the preparation method of the present invention to provide a recycled hydrogen-donor solvent, a recycled hydrogen-donor solvent having a good hydrogen-donating capability can be obtained by means of a relatively simple process flow. The preparation method comprises the following steps: 1) carrying out first fractionation on oil from direct coal liquefaction to obtain liquefied medium oil and liquefied heavy oil; 2) feeding the liquefied heavy oil into a first hydrogenation reactor for a first-stage hydrogenation reaction; 3) feeding the liquefied medium oil and the liquefied heavy oil having undergone the first-stage hydrogenation reaction in step 2) into a second hydrogenation reactor for a second-stage hydrogenation reaction to obtain hydrogenated product oil; 4) carrying out second fractionation on the hydrogenated product oil to obtain medium-temperature solvent oil and high-temperature solvent oil; and 5) mixing the medium-temperature solvent oil and the high-temperature solvent oil to prepare the recycled hydrogen-donor solvent.</abstract><oa>free_for_read</oa></addata></record> |
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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 | RECYCLED HYDROGEN-DONOR SOLVENT FOR DIRECT COAL LIQUEFACTION AND PREPARATION METHOD THEREFOR AND USE THEREOF |
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