Method and system for producing modified pitch and carbon black oil from coal tar
The invention relates to the technical field of coal tar distillation, and discloses a method for producing modified pitch and carbon black oil from coal tar, the method comprises the following steps: S1, feeding dehydrated tar into a distillation main tower for distillation; s2, when the output of...
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| creator | CHEN SHUIWANG LI TUXIN YU JIANSHUAI ZHAO LONG CHEN JUNJIE ZHENG RIYUN LIU YEQING HAO YONGQIANG HUA QUANZHANG |
| description | The invention relates to the technical field of coal tar distillation, and discloses a method for producing modified pitch and carbon black oil from coal tar, the method comprises the following steps: S1, feeding dehydrated tar into a distillation main tower for distillation; s2, when the output of the light oil fraction is stable, extracting anthracene oil from a side line; s3, when maltha is generated at the tower bottom of the main distillation tower, pumping out a part of materials at the tower bottom of the main distillation tower, and feeding the materials into a modification pretreatment tower for modifying asphalt; s4, in the reaction process of the material at the bottom of the distillation main tower in the modification pretreatment tower, extracting anthracene oil from the side line; s5, mixing the anthracene oil extracted in the step S4 and the other part of materials extracted from the bottom of the distillation main tower to generate carbon black oil; and S6, reacting the material at the bottom |
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s2, when the output of the light oil fraction is stable, extracting anthracene oil from a side line; s3, when maltha is generated at the tower bottom of the main distillation tower, pumping out a part of materials at the tower bottom of the main distillation tower, and feeding the materials into a modification pretreatment tower for modifying asphalt; s4, in the reaction process of the material at the bottom of the distillation main tower in the modification pretreatment tower, extracting anthracene oil from the side line; s5, mixing the anthracene oil extracted in the step S4 and the other part of materials extracted from the bottom of the distillation main tower to generate carbon black oil; and S6, reacting the material at the bottom</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 | Method and system for producing modified pitch and carbon black oil from coal tar |
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