Microporous carbon materials to separate nitrogen in associated and non-associated natural gas streams
The present invention relates to a process for the manufacture of microporous carbon materials to perform selective separations of nitrogen in gas mixtures such as hydrogen sulfide, carbon dioxide, methane and C2, C3 and C4+ hydrocarbons, with high efficiency, shaped of microspheres or cylinders fro...
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| creator | GARCIA GUTIERREZ JOSE LUIS JIMENEZ CRUZ FEDERICO JESUS DOMINGUEZ AGUILAR MARCO ANTONIO MURRIETA GUEVARA FLORENTINO RAFAEL ASTUDILLO LOPEZ LENA LILIANA ALEJANDRA MARTINEZ GUERRERO MARIA DEL CARMEN TREJO RODRIGUEZ ARTURO HERNANDEZ PEREZ FIDENCIO CABRALES TORRES ALBERTO SILVA SANCHEZ JOSE FRANCISCO GASPAR |
| description | The present invention relates to a process for the manufacture of microporous carbon materials to perform selective separations of nitrogen in gas mixtures such as hydrogen sulfide, carbon dioxide, methane and C2, C3 and C4+ hydrocarbons, with high efficiency, shaped of microspheres or cylinders from copolymers of poly (vinylidene chloride-co-methyl acrylate) with density of 1.3 to 1.85 g/cm3 or poly (vinylidene chloride-co-vinyl chloride) with density of 1.3 to 1.85 g/cm3, using two stages. In the first stage, the surface of a material is passivated through chemical corrosion by soaking the material in a highly alkaline alcohol solution so as to pre-carbonize the copolymer surface, thus during the pyrolysis process, the deformation of the material is avoided, micro pores are formed gradually; in the second stage, the chemically passivated copolymer is gradually thermally decomposed so as to form micro pores and obtain a large surface area; and the provided method can avoid material deformation during the mel |
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In the first stage, the surface of a material is passivated through chemical corrosion by soaking the material in a highly alkaline alcohol solution so as to pre-carbonize the copolymer surface, thus during the pyrolysis process, the deformation of the material is avoided, micro pores are formed gradually; in the second stage, the chemically passivated copolymer is gradually thermally decomposed so as to form micro pores and obtain a large surface area; and the provided method can avoid material deformation during the mel</description><language>chi ; eng</language><subject>ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; COMPOUNDS THEREOF ; FIRELIGHTERS ; FUELS ; FUELS NOT OTHERWISE PROVIDED FOR ; INORGANIC CHEMISTRY ; LIQUEFIED PETROLEUM GAS ; LUBRICANTS ; METALLURGY ; NATURAL GAS ; NON-METALLIC ELEMENTS ; PEAT ; PERFORMING OPERATIONS ; PETROLEUM, GAS OR COKE INDUSTRIES ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>2019</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=20190405&DB=EPODOC&CC=CN&NR=109569508A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190405&DB=EPODOC&CC=CN&NR=109569508A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GARCIA GUTIERREZ JOSE LUIS</creatorcontrib><creatorcontrib>JIMENEZ CRUZ FEDERICO JESUS</creatorcontrib><creatorcontrib>DOMINGUEZ AGUILAR MARCO ANTONIO</creatorcontrib><creatorcontrib>MURRIETA GUEVARA FLORENTINO RAFAEL</creatorcontrib><creatorcontrib>ASTUDILLO LOPEZ LENA LILIANA ALEJANDRA</creatorcontrib><creatorcontrib>MARTINEZ GUERRERO MARIA DEL CARMEN</creatorcontrib><creatorcontrib>TREJO RODRIGUEZ ARTURO</creatorcontrib><creatorcontrib>HERNANDEZ PEREZ FIDENCIO</creatorcontrib><creatorcontrib>CABRALES TORRES ALBERTO</creatorcontrib><creatorcontrib>SILVA SANCHEZ JOSE FRANCISCO GASPAR</creatorcontrib><title>Microporous carbon materials to separate nitrogen in associated and non-associated natural gas streams</title><description>The present invention relates to a process for the manufacture of microporous carbon materials to perform selective separations of nitrogen in gas mixtures such as hydrogen sulfide, carbon dioxide, methane and C2, C3 and C4+ hydrocarbons, with high efficiency, shaped of microspheres or cylinders from copolymers of poly (vinylidene chloride-co-methyl acrylate) with density of 1.3 to 1.85 g/cm3 or poly (vinylidene chloride-co-vinyl chloride) with density of 1.3 to 1.85 g/cm3, using two stages. In the first stage, the surface of a material is passivated through chemical corrosion by soaking the material in a highly alkaline alcohol solution so as to pre-carbonize the copolymer surface, thus during the pyrolysis process, the deformation of the material is avoided, micro pores are formed gradually; in the second stage, the chemically passivated copolymer is gradually thermally decomposed so as to form micro pores and obtain a large surface area; and the provided method can avoid material deformation during the mel</description><subject>ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL</subject><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>COMPOUNDS THEREOF</subject><subject>FIRELIGHTERS</subject><subject>FUELS</subject><subject>FUELS NOT OTHERWISE PROVIDED FOR</subject><subject>INORGANIC CHEMISTRY</subject><subject>LIQUEFIED PETROLEUM GAS</subject><subject>LUBRICANTS</subject><subject>METALLURGY</subject><subject>NATURAL GAS</subject><subject>NON-METALLIC ELEMENTS</subject><subject>PEAT</subject><subject>PERFORMING OPERATIONS</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzLEKwlAMheEuDqK-Q3yAQkUqdpSiuOjkXuJtWi60ySVJ3987ODg6Hfg4_OtieMSgkkRlMQiob2GY0UkjTgYuYJRQMwBHVxmJITKgmYSYtQfkHli4_CFGXxQnGNHAXAln2xarIQdp991Nsb9dX-29pCQdWcJATN61z0PV1Kemrs6X4z-fD9d4QE0</recordid><startdate>20190405</startdate><enddate>20190405</enddate><creator>GARCIA GUTIERREZ JOSE LUIS</creator><creator>JIMENEZ CRUZ FEDERICO JESUS</creator><creator>DOMINGUEZ AGUILAR MARCO ANTONIO</creator><creator>MURRIETA GUEVARA FLORENTINO RAFAEL</creator><creator>ASTUDILLO LOPEZ LENA LILIANA ALEJANDRA</creator><creator>MARTINEZ GUERRERO MARIA DEL CARMEN</creator><creator>TREJO RODRIGUEZ ARTURO</creator><creator>HERNANDEZ PEREZ FIDENCIO</creator><creator>CABRALES TORRES ALBERTO</creator><creator>SILVA SANCHEZ JOSE FRANCISCO GASPAR</creator><scope>EVB</scope></search><sort><creationdate>20190405</creationdate><title>Microporous carbon materials to separate nitrogen in associated and non-associated natural gas streams</title><author>GARCIA GUTIERREZ JOSE LUIS ; 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In the first stage, the surface of a material is passivated through chemical corrosion by soaking the material in a highly alkaline alcohol solution so as to pre-carbonize the copolymer surface, thus during the pyrolysis process, the deformation of the material is avoided, micro pores are formed gradually; in the second stage, the chemically passivated copolymer is gradually thermally decomposed so as to form micro pores and obtain a large surface area; and the provided method can avoid material deformation during the mel</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR INORGANIC CHEMISTRY LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS NON-METALLIC ELEMENTS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Microporous carbon materials to separate nitrogen in associated and non-associated natural gas streams |
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