Composite-oxide catalyst and process for production of acrylic acid using said catalyst
There are disclosed a catalyst and a process for production of acrylic acid using this catalyst, wherein, even under conditions where hot spots are formed, the catalyst is excellent in activity, selectivity, and catalyst life time and displays stable performances for a long time. The catalyst is sho...
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| creator | TANIMOTO MICHIO HIRAO HARUNORI |
| description | There are disclosed a catalyst and a process for production of acrylic acid using this catalyst, wherein, even under conditions where hot spots are formed, the catalyst is excellent in activity, selectivity, and catalyst life time and displays stable performances for a long time. The catalyst is shown by the following formula (1): MoaVbWcCudAeBfCgOx (1) (wherein: A is at least one species selected from among cobalt, nickel, iron, lead, and bismuth; B is at least one species selected from among antimony, niobium, and tin; and C is at least one species selected from among silicon, aluminum, titanium, and zirconium; and further, a, b, c, d, e, f, g, and x are atomic ratios of Mo, V, W, Cu, A, B, C, and O respectively; and, in the case of a= 12 , the following inequalities are satisfied: 2 |
| format | Patent |
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The catalyst is shown by the following formula (1): MoaVbWcCudAeBfCgOx (1) (wherein: A is at least one species selected from among cobalt, nickel, iron, lead, and bismuth; B is at least one species selected from among antimony, niobium, and tin; and C is at least one species selected from among silicon, aluminum, titanium, and zirconium; and further, a, b, c, d, e, f, g, and x are atomic ratios of Mo, V, W, Cu, A, B, C, and O respectively; and, in the case of a= 12 , the following inequalities are satisfied: 2<=b<=15; 0<c<=10; 0<d<=6; 0<e<=30; 0<=f<=6; and 0<=g<=60; and x is a numerical value as determined by the oxidation state of each element); wherein a supply source of a component A for preparing the catalyst is a composite of the component A and at least one species selected from among Mo, V, and Cu.]]></description><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; APPARATUS THEREFOR ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; GENERAL METHODS OF ORGANIC CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>2008</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=20080930&DB=EPODOC&CC=US&NR=7429678B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080930&DB=EPODOC&CC=US&NR=7429678B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TANIMOTO MICHIO</creatorcontrib><creatorcontrib>HIRAO HARUNORI</creatorcontrib><title>Composite-oxide catalyst and process for production of acrylic acid using said catalyst</title><description><![CDATA[There are disclosed a catalyst and a process for production of acrylic acid using this catalyst, wherein, even under conditions where hot spots are formed, the catalyst is excellent in activity, selectivity, and catalyst life time and displays stable performances for a long time. The catalyst is shown by the following formula (1): MoaVbWcCudAeBfCgOx (1) (wherein: A is at least one species selected from among cobalt, nickel, iron, lead, and bismuth; B is at least one species selected from among antimony, niobium, and tin; and C is at least one species selected from among silicon, aluminum, titanium, and zirconium; and further, a, b, c, d, e, f, g, and x are atomic ratios of Mo, V, W, Cu, A, B, C, and O respectively; and, in the case of a= 12 , the following inequalities are satisfied: 2<=b<=15; 0<c<=10; 0<d<=6; 0<e<=30; 0<=f<=6; and 0<=g<=60; and x is a numerical value as determined by the oxidation state of each element); wherein a supply source of a component A for preparing the catalyst is a composite of the component A and at least one species selected from among Mo, V, and Cu.]]></description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>APPARATUS THEREFOR</subject><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>GENERAL METHODS OF ORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNizEKwkAQANNYiPqH_UCaKEZbg2KvYhmWvT1ZOG-P2wuY3xtBe6uZYmZe3Tt9JjUpXOtLHANhwTBaAYwOUlZiM_CaP-4GKqIR1ANSHoPQRHEwmMQHGE7625fVzGMwXn25qOB0vHbnmpP2bAmJI5f-dmk3zX7b7g7N-o_kDSNrOh0</recordid><startdate>20080930</startdate><enddate>20080930</enddate><creator>TANIMOTO MICHIO</creator><creator>HIRAO HARUNORI</creator><scope>EVB</scope></search><sort><creationdate>20080930</creationdate><title>Composite-oxide catalyst and process for production of acrylic acid using said catalyst</title><author>TANIMOTO MICHIO ; HIRAO HARUNORI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7429678B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2008</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>APPARATUS THEREFOR</topic><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>GENERAL METHODS OF ORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>TANIMOTO MICHIO</creatorcontrib><creatorcontrib>HIRAO HARUNORI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TANIMOTO MICHIO</au><au>HIRAO HARUNORI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Composite-oxide catalyst and process for production of acrylic acid using said catalyst</title><date>2008-09-30</date><risdate>2008</risdate><abstract><![CDATA[There are disclosed a catalyst and a process for production of acrylic acid using this catalyst, wherein, even under conditions where hot spots are formed, the catalyst is excellent in activity, selectivity, and catalyst life time and displays stable performances for a long time. The catalyst is shown by the following formula (1): MoaVbWcCudAeBfCgOx (1) (wherein: A is at least one species selected from among cobalt, nickel, iron, lead, and bismuth; B is at least one species selected from among antimony, niobium, and tin; and C is at least one species selected from among silicon, aluminum, titanium, and zirconium; and further, a, b, c, d, e, f, g, and x are atomic ratios of Mo, V, W, Cu, A, B, C, and O respectively; and, in the case of a= 12 , the following inequalities are satisfied: 2<=b<=15; 0<c<=10; 0<d<=6; 0<e<=30; 0<=f<=6; and 0<=g<=60; and x is a numerical value as determined by the oxidation state of each element); wherein a supply source of a component A for preparing the catalyst is a composite of the component A and at least one species selected from among Mo, V, and Cu.]]></abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Composite-oxide catalyst and process for production of acrylic acid using said catalyst |
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