MANUFACTURE OF MONOLITHIC CATALYST
PURPOSE:To upgrade the durability of the titled catalyst and to give high catalytic activity after use for a long period by immersing the base material for monolithic catalyst provided with a catalyst depositing layer into an aq. soln. contg. the catalytic components in several times repeatedly so t...
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| creator | TSUJI MASATO MATSUMOTO SHINICHI SOFUE KAZUAKI AKASAKA NAOMI FUJISHIMA KATSUYOSHI |
| description | PURPOSE:To upgrade the durability of the titled catalyst and to give high catalytic activity after use for a long period by immersing the base material for monolithic catalyst provided with a catalyst depositing layer into an aq. soln. contg. the catalytic components in several times repeatedly so that one end of the base material is alway directed upward and the other end is always directed downward. CONSTITUTION:A monolithic catalytic carrier is made by forming a catalyst depositing layer on the surface of base material for the monolithic catalyst. After immersing this monolithic catalytic carrier into an aq. soln. contg. the catalytic components in several times repeatedly so that one end of the carrier is always directed upward and the other end is always directed downward, it is dried and calcined to mold the monolithic catalyst. As the catalyst depositing layer, the slurry contg. the depositing components such as alumina is stuck on the surface of base material for the monolithic catalyst and it is dried and calcined to obtain 10-250mum layer thickness. The obtained monolithic catalyst can be formed so that the deposite quantity of catalyst is small in the inflow side of exhaust gas and large in the outflow side. |
| format | Patent |
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CONSTITUTION:A monolithic catalytic carrier is made by forming a catalyst depositing layer on the surface of base material for the monolithic catalyst. After immersing this monolithic catalytic carrier into an aq. soln. contg. the catalytic components in several times repeatedly so that one end of the carrier is always directed upward and the other end is always directed downward, it is dried and calcined to mold the monolithic catalyst. As the catalyst depositing layer, the slurry contg. the depositing components such as alumina is stuck on the surface of base material for the monolithic catalyst and it is dried and calcined to obtain 10-250mum layer thickness. The obtained monolithic catalyst can be formed so that the deposite quantity of catalyst is small in the inflow side of exhaust gas and large in the outflow side.</description><language>eng</language><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>1986</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=19860127&DB=EPODOC&CC=JP&NR=S6118439A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860127&DB=EPODOC&CC=JP&NR=S6118439A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TSUJI MASATO</creatorcontrib><creatorcontrib>MATSUMOTO SHINICHI</creatorcontrib><creatorcontrib>SOFUE KAZUAKI</creatorcontrib><creatorcontrib>AKASAKA NAOMI</creatorcontrib><creatorcontrib>FUJISHIMA KATSUYOSHI</creatorcontrib><title>MANUFACTURE OF MONOLITHIC CATALYST</title><description>PURPOSE:To upgrade the durability of the titled catalyst and to give high catalytic activity after use for a long period by immersing the base material for monolithic catalyst provided with a catalyst depositing layer into an aq. soln. contg. the catalytic components in several times repeatedly so that one end of the base material is alway directed upward and the other end is always directed downward. CONSTITUTION:A monolithic catalytic carrier is made by forming a catalyst depositing layer on the surface of base material for the monolithic catalyst. After immersing this monolithic catalytic carrier into an aq. soln. contg. the catalytic components in several times repeatedly so that one end of the carrier is always directed upward and the other end is always directed downward, it is dried and calcined to mold the monolithic catalyst. As the catalyst depositing layer, the slurry contg. the depositing components such as alumina is stuck on the surface of base material for the monolithic catalyst and it is dried and calcined to obtain 10-250mum layer thickness. 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CONSTITUTION:A monolithic catalytic carrier is made by forming a catalyst depositing layer on the surface of base material for the monolithic catalyst. After immersing this monolithic catalytic carrier into an aq. soln. contg. the catalytic components in several times repeatedly so that one end of the carrier is always directed upward and the other end is always directed downward, it is dried and calcined to mold the monolithic catalyst. As the catalyst depositing layer, the slurry contg. the depositing components such as alumina is stuck on the surface of base material for the monolithic catalyst and it is dried and calcined to obtain 10-250mum layer thickness. The obtained monolithic catalyst can be formed so that the deposite quantity of catalyst is small in the inflow side of exhaust gas and large in the outflow side.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING |
| title | MANUFACTURE OF MONOLITHIC CATALYST |
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