HZSM-5 molecular sieve, preparation method thereof and application of HZSM-5 molecular sieve in light hydrocarbon catalytic cracking
The invention provides a preparation method of an HZSM-5 molecular sieve, which comprises the following steps: S) mixing a first organic template agent, alcohol, water, an aluminum source, a first silicon source and an all-silicon seed crystal, carrying out hydrothermal crystallization, and roasting...
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| creator | ZHANG FENGQI HOU KEKE ZHU KAKE ZHAO DEMING LIU BING GUO ZAIBIN SHI HUIBING ZHOU YINGJIE |
| description | The invention provides a preparation method of an HZSM-5 molecular sieve, which comprises the following steps: S) mixing a first organic template agent, alcohol, water, an aluminum source, a first silicon source and an all-silicon seed crystal, carrying out hydrothermal crystallization, and roasting to obtain the HZSM-5 molecular sieve, the first organic template agent is an organic amine compound; the alcohol is C3 or more than C3 alcohol. Compared with the prior art, in the alkaline system containing the silicon source, the aluminum source, the organic template agent and the water, by adding the special seed crystal and the organic auxiliary agent, the length of the b axis and the c axis of the HZSM-5 molecular sieve can be regulated and controlled in the crystallization process; the molecular sieve catalyst modified by P and/or metal has high ethylene and propylene yield in the catalytic cracking reaction of C4-C8 and other light hydrocarbon raw materials with isoparaffin and cycloparaffin as main componen |
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Compared with the prior art, in the alkaline system containing the silicon source, the aluminum source, the organic template agent and the water, by adding the special seed crystal and the organic auxiliary agent, the length of the b axis and the c axis of the HZSM-5 molecular sieve can be regulated and controlled in the crystallization process; the molecular sieve catalyst modified by P and/or metal has high ethylene and propylene yield in the catalytic cracking reaction of C4-C8 and other light hydrocarbon raw materials with isoparaffin and cycloparaffin as main componen</description><language>chi ; eng</language><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; COMPOUNDS THEREOF ; CRACKING HYDROCARBON OILS ; FUELS ; INORGANIC CHEMISTRY ; LUBRICANTS ; METALLURGY ; MINERAL WAXES ; NON-METALLIC ELEMENTS ; PEAT ; PERFORMING OPERATIONS ; PETROLEUM, GAS OR COKE INDUSTRIES ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; 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 ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>2022</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=20221125&DB=EPODOC&CC=CN&NR=115385357A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221125&DB=EPODOC&CC=CN&NR=115385357A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG FENGQI</creatorcontrib><creatorcontrib>HOU KEKE</creatorcontrib><creatorcontrib>ZHU KAKE</creatorcontrib><creatorcontrib>ZHAO DEMING</creatorcontrib><creatorcontrib>LIU BING</creatorcontrib><creatorcontrib>GUO ZAIBIN</creatorcontrib><creatorcontrib>SHI HUIBING</creatorcontrib><creatorcontrib>ZHOU YINGJIE</creatorcontrib><title>HZSM-5 molecular sieve, preparation method thereof and application of HZSM-5 molecular sieve in light hydrocarbon catalytic cracking</title><description>The invention provides a preparation method of an HZSM-5 molecular sieve, which comprises the following steps: S) mixing a first organic template agent, alcohol, water, an aluminum source, a first silicon source and an all-silicon seed crystal, carrying out hydrothermal crystallization, and roasting to obtain the HZSM-5 molecular sieve, the first organic template agent is an organic amine compound; the alcohol is C3 or more than C3 alcohol. 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the alcohol is C3 or more than C3 alcohol. Compared with the prior art, in the alkaline system containing the silicon source, the aluminum source, the organic template agent and the water, by adding the special seed crystal and the organic auxiliary agent, the length of the b axis and the c axis of the HZSM-5 molecular sieve can be regulated and controlled in the crystallization process; the molecular sieve catalyst modified by P and/or metal has high ethylene and propylene yield in the catalytic cracking reaction of C4-C8 and other light hydrocarbon raw materials with isoparaffin and cycloparaffin as main componen</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF CRACKING HYDROCARBON OILS FUELS INORGANIC CHEMISTRY LUBRICANTS METALLURGY MINERAL WAXES NON-METALLIC ELEMENTS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL 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 THEIR RELEVANT APPARATUS TRANSPORTING |
| title | HZSM-5 molecular sieve, preparation method thereof and application of HZSM-5 molecular sieve in light hydrocarbon catalytic cracking |
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