Fractional distillation method and device of benzene and toluene from a mixture of aromatic hydrocarbon
PURPOSE: A method and an apparatus for fractional distilling benzene and toluene from outflow mixture of naphtha reforming reactor are provided to reduce energy consumption by performing fractional distillation using a heat combination type distillation column and reduce facility cost of the heat ex...
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| description | PURPOSE: A method and an apparatus for fractional distilling benzene and toluene from outflow mixture of naphtha reforming reactor are provided to reduce energy consumption by performing fractional distillation using a heat combination type distillation column and reduce facility cost of the heat exchanger by reducing capacity of heat exchanger. CONSTITUTION: The energy saving type apparatus for fractional distilling benzene and toluene from outflow mixture of naphtha reforming reactor is characterized in that the apparatus is a heat combination type distillation column which is consisted of pretreatment column and main column, and in which reboiler and cooler are not installed in the pretreatment column, and the reboiler and cooler are installed in the main column. The energy saving type method for fractional distilling benzene and toluene from outflow mixture of naphtha reforming reactor is characterized in that feedstock (F) is supplied to a pretreatment column in which reboiler and cooler are not installed, and the feedstock is moved to a main column equipped with the reboiler and cooler from upper and lower parts of the pretreatment column according to boiling point of the feedstock so that the feedstock is fractional distilled into respective constituents in the main column, where the feedstock is a mixture of aromatic hydrocarbons obtained in the naphtha reforming reactor, and wherein the respective constituents separated from the main column are constituents having low boiling point such as benzene (D) and toluene (S).
본 발명은 석유화학 및 화학물질의 혼합물, 특히 나프타 개질반응기 유출 혼합물로부터 벤젠과 톨루엔을 각각 성분별로 분리하는데 사용하는 증류조작용 장치를 에너지 절감형으로 개선한 증류방법 및 장치에 관한 것으로, 본 발명의 분별증류 방법 및 장치 다성분 평형증류 곡선에 맞는 분별증류 방식으로 열복합 증류탑을 사용하여 달성되는데, 이러한 증류탑은 나프타 개질반응기에서 얻은 방향족 탄화수소 혼합물에서 저비점 성분인 벤젠과 톨루엔을 분리하는 분별증류 공정에서 사용 에너지를 현저히 감소하면서 분별증류가 가능하게 한다. 상기와 같이 본 발명에 따른, 열복합 증류방식은 탑 효율이 높기 때문에 열복합형 증류탑을 이용하여 분리조작을 하면 에너지 사용량을 절감할 수 있고 증류탑의 재비기와 냉각기로 사용하는 열교환기의 용량을 줄일 수 있어 열교환기의 설비비를 줄일 수 있다. |
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본 발명은 석유화학 및 화학물질의 혼합물, 특히 나프타 개질반응기 유출 혼합물로부터 벤젠과 톨루엔을 각각 성분별로 분리하는데 사용하는 증류조작용 장치를 에너지 절감형으로 개선한 증류방법 및 장치에 관한 것으로, 본 발명의 분별증류 방법 및 장치 다성분 평형증류 곡선에 맞는 분별증류 방식으로 열복합 증류탑을 사용하여 달성되는데, 이러한 증류탑은 나프타 개질반응기에서 얻은 방향족 탄화수소 혼합물에서 저비점 성분인 벤젠과 톨루엔을 분리하는 분별증류 공정에서 사용 에너지를 현저히 감소하면서 분별증류가 가능하게 한다. 상기와 같이 본 발명에 따른, 열복합 증류방식은 탑 효율이 높기 때문에 열복합형 증류탑을 이용하여 분리조작을 하면 에너지 사용량을 절감할 수 있고 증류탑의 재비기와 냉각기로 사용하는 열교환기의 용량을 줄일 수 있어 열교환기의 설비비를 줄일 수 있다.</description><edition>7</edition><language>eng ; kor</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>2004</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=20040322&DB=EPODOC&CC=KR&NR=20040024776A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040322&DB=EPODOC&CC=KR&NR=20040024776A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HAM, TAE WON</creatorcontrib><creatorcontrib>KIM, YOUNG HAN</creatorcontrib><title>Fractional distillation method and device of benzene and toluene from a mixture of aromatic hydrocarbon</title><description>PURPOSE: A method and an apparatus for fractional distilling benzene and toluene from outflow mixture of naphtha reforming reactor are provided to reduce energy consumption by performing fractional distillation using a heat combination type distillation column and reduce facility cost of the heat exchanger by reducing capacity of heat exchanger. CONSTITUTION: The energy saving type apparatus for fractional distilling benzene and toluene from outflow mixture of naphtha reforming reactor is characterized in that the apparatus is a heat combination type distillation column which is consisted of pretreatment column and main column, and in which reboiler and cooler are not installed in the pretreatment column, and the reboiler and cooler are installed in the main column. The energy saving type method for fractional distilling benzene and toluene from outflow mixture of naphtha reforming reactor is characterized in that feedstock (F) is supplied to a pretreatment column in which reboiler and cooler are not installed, and the feedstock is moved to a main column equipped with the reboiler and cooler from upper and lower parts of the pretreatment column according to boiling point of the feedstock so that the feedstock is fractional distilled into respective constituents in the main column, where the feedstock is a mixture of aromatic hydrocarbons obtained in the naphtha reforming reactor, and wherein the respective constituents separated from the main column are constituents having low boiling point such as benzene (D) and toluene (S).
본 발명은 석유화학 및 화학물질의 혼합물, 특히 나프타 개질반응기 유출 혼합물로부터 벤젠과 톨루엔을 각각 성분별로 분리하는데 사용하는 증류조작용 장치를 에너지 절감형으로 개선한 증류방법 및 장치에 관한 것으로, 본 발명의 분별증류 방법 및 장치 다성분 평형증류 곡선에 맞는 분별증류 방식으로 열복합 증류탑을 사용하여 달성되는데, 이러한 증류탑은 나프타 개질반응기에서 얻은 방향족 탄화수소 혼합물에서 저비점 성분인 벤젠과 톨루엔을 분리하는 분별증류 공정에서 사용 에너지를 현저히 감소하면서 분별증류가 가능하게 한다. 상기와 같이 본 발명에 따른, 열복합 증류방식은 탑 효율이 높기 때문에 열복합형 증류탑을 이용하여 분리조작을 하면 에너지 사용량을 절감할 수 있고 증류탑의 재비기와 냉각기로 사용하는 열교환기의 용량을 줄일 수 있어 열교환기의 설비비를 줄일 수 있다.</description><subject>CHEMISTRY</subject><subject>CRACKING HYDROCARBON OILS</subject><subject>FUELS</subject><subject>LUBRICANTS</subject><subject>METALLURGY</subject><subject>MINERAL WAXES</subject><subject>PEAT</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION</subject><subject>RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES</subject><subject>REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS</subject><subject>REFORMING OF NAPHTHA</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjMEKwjAQRHPxIOo_LHgWQi32LGIRvIn3sk22NpBkS5KK-vWmxQ_wNDOPxyzFow6okmGPFrSJyViL0wRHqWcN6DVoehpFwB205D_kaaaJ7Tj1LrADBGdeaQyzhZnkEwX9WwdWGFr2a7Ho0Eba_HIltvX5frrsaOCG4oAqf6XmeiukLKUsyqo6HPf_WV_JS0Dv</recordid><startdate>20040322</startdate><enddate>20040322</enddate><creator>HAM, TAE WON</creator><creator>KIM, YOUNG HAN</creator><scope>EVB</scope></search><sort><creationdate>20040322</creationdate><title>Fractional distillation method and device of benzene and toluene from a mixture of aromatic hydrocarbon</title><author>HAM, TAE WON ; KIM, YOUNG HAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR20040024776A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; kor</language><creationdate>2004</creationdate><topic>CHEMISTRY</topic><topic>CRACKING HYDROCARBON OILS</topic><topic>FUELS</topic><topic>LUBRICANTS</topic><topic>METALLURGY</topic><topic>MINERAL WAXES</topic><topic>PEAT</topic><topic>PETROLEUM, GAS OR COKE INDUSTRIES</topic><topic>PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION</topic><topic>RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES</topic><topic>REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS</topic><topic>REFORMING OF NAPHTHA</topic><topic>TECHNICAL GASES CONTAINING CARBON MONOXIDE</topic><toplevel>online_resources</toplevel><creatorcontrib>HAM, TAE WON</creatorcontrib><creatorcontrib>KIM, YOUNG HAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAM, TAE WON</au><au>KIM, YOUNG HAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Fractional distillation method and device of benzene and toluene from a mixture of aromatic hydrocarbon</title><date>2004-03-22</date><risdate>2004</risdate><abstract>PURPOSE: A method and an apparatus for fractional distilling benzene and toluene from outflow mixture of naphtha reforming reactor are provided to reduce energy consumption by performing fractional distillation using a heat combination type distillation column and reduce facility cost of the heat exchanger by reducing capacity of heat exchanger. CONSTITUTION: The energy saving type apparatus for fractional distilling benzene and toluene from outflow mixture of naphtha reforming reactor is characterized in that the apparatus is a heat combination type distillation column which is consisted of pretreatment column and main column, and in which reboiler and cooler are not installed in the pretreatment column, and the reboiler and cooler are installed in the main column. The energy saving type method for fractional distilling benzene and toluene from outflow mixture of naphtha reforming reactor is characterized in that feedstock (F) is supplied to a pretreatment column in which reboiler and cooler are not installed, and the feedstock is moved to a main column equipped with the reboiler and cooler from upper and lower parts of the pretreatment column according to boiling point of the feedstock so that the feedstock is fractional distilled into respective constituents in the main column, where the feedstock is a mixture of aromatic hydrocarbons obtained in the naphtha reforming reactor, and wherein the respective constituents separated from the main column are constituents having low boiling point such as benzene (D) and toluene (S).
본 발명은 석유화학 및 화학물질의 혼합물, 특히 나프타 개질반응기 유출 혼합물로부터 벤젠과 톨루엔을 각각 성분별로 분리하는데 사용하는 증류조작용 장치를 에너지 절감형으로 개선한 증류방법 및 장치에 관한 것으로, 본 발명의 분별증류 방법 및 장치 다성분 평형증류 곡선에 맞는 분별증류 방식으로 열복합 증류탑을 사용하여 달성되는데, 이러한 증류탑은 나프타 개질반응기에서 얻은 방향족 탄화수소 혼합물에서 저비점 성분인 벤젠과 톨루엔을 분리하는 분별증류 공정에서 사용 에너지를 현저히 감소하면서 분별증류가 가능하게 한다. 상기와 같이 본 발명에 따른, 열복합 증류방식은 탑 효율이 높기 때문에 열복합형 증류탑을 이용하여 분리조작을 하면 에너지 사용량을 절감할 수 있고 증류탑의 재비기와 냉각기로 사용하는 열교환기의 용량을 줄일 수 있어 열교환기의 설비비를 줄일 수 있다.</abstract><edition>7</edition><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 | Fractional distillation method and device of benzene and toluene from a mixture of aromatic hydrocarbon |
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