{"id":4907,"date":"2021-12-10T14:30:37","date_gmt":"2021-12-10T14:30:37","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=4907"},"modified":"2026-04-28T10:41:52","modified_gmt":"2026-04-28T10:41:52","slug":"reasons-for-catalyst-deactivation","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/reasons-for-catalyst-deactivation\/","title":{"rendered":"A kataliz\u00e1tor deaktiv\u00e1l\u00f3d\u00e1s\u00e1nak okai \u00e9s k\u00fcl\u00f6nb\u00f6z\u0151 regener\u00e1l\u00e1si felt\u00e9telek"},"content":{"rendered":"<p>Ma a vegyipar 90% kataliz\u00e1toros elj\u00e1r\u00e1sokat tartalmaz, amelyek n\u00f6velik a reakci\u00f3sebess\u00e9get \u00e9s a szelektivit\u00e1st a termel\u00e9sben. Az ipari termel\u00e9si id\u0151 n\u00f6veked\u00e9s\u00e9vel a kataliz\u00e1tor deaktiv\u00e1l\u00f3dik, ami a katalitikus reakci\u00f3 sebess\u00e9g\u00e9nek cs\u00f6kken\u00e9s\u00e9t jelenti. A szerkeszt\u0151 elmondja, hogyan lehet a deaktiv\u00e1lt kataliz\u00e1tor aktivit\u00e1s\u00e1t regener\u00e1lni, hogy jobb gazdas\u00e1gi \u00e9s k\u00f6rnyezeti el\u0151ny\u00f6kkel j\u00e1rjon.<\/p>\n\n\n\n<p>A kataliz\u00e1tor deaktiv\u00e1l\u00f3d\u00e1sa olyan jelens\u00e9g, amelynek sor\u00e1n az \u00e1lland\u00f3 reakci\u00f3k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt v\u00e9gzett katalitikus reakci\u00f3 konverzi\u00f3s r\u00e1t\u00e1ja az id\u0151 m\u00fal\u00e1s\u00e1val cs\u00f6kken. A kataliz\u00e1tor deaktiv\u00e1l\u00f3d\u00e1si folyamat h\u00e1rom t\u00edpusra oszthat\u00f3: k\u00e9miai, termikus \u00e9s mechanikai.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>K\u00e9miai inaktiv\u00e1l\u00e1s<\/li><\/ol>\n\n\n\n<p>Ok eredm\u00e9ny<\/p>\n\n\n\n<p>A kokszol\u00e1s (kokszol\u00e1s) fel\u00fclete cs\u00f6kken, az elt\u00f6m\u0151d\u00e9s<\/p>\n\n\n\n<p>F\u00e9mszennyez\u00e9s Cs\u00f6kkentett fel\u00fclet \u00e9s cs\u00f6kkent katalitikus aktivit\u00e1s<\/p>\n\n\n\n<p>M\u00e9regadszorpci\u00f3, akt\u00edv hely redukci\u00f3ja<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>H\u0151 inaktiv\u00e1l\u00e1s<\/li><li>Mechanikai inaktiv\u00e1l\u00e1s<\/li><\/ol>\n\n\n\n<p>Ok eredm\u00e9ny<\/p>\n\n\n\n<p>R\u00e9szecsk\u00e9k t\u00f6r\u00e9se A kataliz\u00e1tor\u00e1gy csatorn\u00e1z\u00f3d\u00e1sa \u00e9s elt\u00f6m\u0151d\u00e9se<\/p>\n\n\n\n<p>Cs\u00f6kkentett fel\u00fclet<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\"><li>Kataliz\u00e1tor regener\u00e1l\u00e1sa<\/li><\/ol>\n\n\n\n<p>Az ipari kataliz\u00e1tor regener\u00e1l\u00e1s\u00e1nak \u00e1ltal\u00e1nos szab\u00e1lya, hogy minden egyes regener\u00e1l\u00e1skor az aktivit\u00e1sa alacsonyabb lesz, mint az eredeti aktivit\u00e1s. A regener\u00e1lt kataliz\u00e1tor \u00fczemi h\u0151m\u00e9rs\u00e9klete l\u00e9nyegesen magasabb, mint a regener\u00e1l\u00e1s el\u0151tti. Ezenk\u00edv\u00fcl a deaktiv\u00e1lt kataliz\u00e1tort nem lehet gyakran \u00e9s v\u00e9gtelen\u00fcl ism\u00e9telni. A regener\u00e1l\u00e1st v\u00e9g\u00fcl ki kell cser\u00e9lni.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Regener\u00e1l\u00e1s a kokszol\u00e1s (kokszol\u00e1s) hat\u00e1stalan\u00edt\u00e1sa ut\u00e1n:<\/li><\/ol>\n\n\n\n<p>A kataliz\u00e1tor haszn\u00e1lata sor\u00e1n a kataliz\u00e1tor aktivit\u00e1s\u00e1nak cs\u00f6kken\u00e9se a kataliz\u00e1tor fel\u00fclet\u00e9n fokozatosan kialakul\u00f3 sz\u00e9nlerak\u00f3d\u00e1sok miatt.<\/p>\n\n\n\n<p>A fasz\u00e9n\u00e9get\u00e9st (leveg\u0151 + v\u00edzg\u0151z) \u00e1ltal\u00e1ban ipari kataliz\u00e1torokban haszn\u00e1lj\u00e1k a kokszlerak\u00f3d\u00e1sok inaktiv\u00e1l\u00e1sa ut\u00e1n.<\/p>\n\n\n\n<p>A kataliz\u00e1tor p\u00f3rusaiban l\u00e9v\u0151 sz\u00e9ntartalm\u00fa lerak\u00f3d\u00e1sok sz\u00e9n-monoxidd\u00e1 \u00e9s sz\u00e9n-dioxidd\u00e1 oxid\u00e1l\u00e1s\u00e1val a katalitikus aktivit\u00e1s helyre\u00e1ll\u00edthat\u00f3.<\/p>\n\n\n\n<p>A tiszt\u00edt\u00e1si m\u00f3dszer sor\u00e1n a sz\u00e9nlerak\u00f3d\u00e1s szerves mell\u00e9kterm\u00e9kei, a mechanikai por \u00e9s a nem t\u00fal s\u00falyos szennyez\u0151d\u00e9sek elt\u00f6m\u00edtik a kataliz\u00e1tor p\u00f3rusait, vagy elbor\u00edtj\u00e1k a kataliz\u00e1tor fel\u00fclet\u00e9nek akt\u00edv k\u00f6zpontjait, \u00e9s a tiszt\u00edt\u00e1si m\u00f3dszerrel helyben elt\u00e1vol\u00edthat\u00f3k.<\/p>\n\n\n\n<p>A regener\u00e1ci\u00f3 sor\u00e1n figyelmet ig\u00e9nyl\u0151 k\u00e9rd\u00e9sek:<\/p>\n\n\n\n<p>A regener\u00e1l\u00e1si h\u0151m\u00e9rs\u00e9kletet \u00e9s id\u0151t j\u00f3l be kell \u00e1ll\u00edtani, hogy megakad\u00e1lyozz\u00e1k a kataliz\u00e1tor szinteresed\u00e9s\u00e9t; a regener\u00e1l\u00e1si ciklus a kokszosod\u00e1s felhalmoz\u00f3d\u00e1si ar\u00e1ny\u00e1t\u00f3l f\u00fcgg\u0151en v\u00e1ltozik.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>F\u00e9mszennyez\u00e9s inaktiv\u00e1l\u00e1sa \u00e9s regener\u00e1l\u00e1sa<\/li><\/ol>\n\n\n\n<p>A f\u00e9mszennyez\u00e9s forr\u00e1sai a nyersolajban vagy a k\u00f6zvetlen\u00fcl cseppfoly\u00f3s\u00edtott sz\u00e9nben l\u00e9v\u0151 f\u00e9mvegy\u00fcletek, f\u00e9mporfirin-komplexek vagy nem-porfirin-vegy\u00fcletek, els\u0151sorban V, Ni, Fe, Cu, Ca, Mg, Na, K stb.<\/p>\n\n\n\n<p>A kataliz\u00e1tor regener\u00e1l\u00e1sa el\u0151tt<\/p>\n\n\n\n<p>A kataliz\u00e1tor regener\u00e1l\u00e1sa ut\u00e1n<\/p>\n\n\n\n<p>Megel\u0151z\u00e9si m\u00f3dszer: k\u00e9miai m\u00f3dszer vagy adszorpci\u00f3s m\u00f3dszer a porfirin elt\u00e1vol\u00edt\u00e1s\u00e1ra a nyersanyagokb\u00f3l, adal\u00e9kanyagok (antimonvegy\u00fcletek) hozz\u00e1ad\u00e1sa, \u00f6tv\u00f6zetek kialak\u00edt\u00e1sa f\u00e9mszennyez\u0151d\u00e9sekkel a passziv\u00e1l\u00e1s \u00e9rdek\u00e9ben.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>M\u00e9rgez\u00e9ses inaktiv\u00e1l\u00e1s \u00e9s regener\u00e1l\u00e1s<\/li><\/ol>\n\n\n\n<p>A kataliz\u00e1torral \u00e9rintkez\u0151 folyad\u00e9kban l\u00e9v\u0151 kis mennyis\u00e9g\u0171 szennyez\u0151d\u00e9s adszorbe\u00e1l\u00f3dik a kataliz\u00e1tor aktivit\u00e1s\u00e1n, \u00e9s a kataliz\u00e1tor aktivit\u00e1sa jelent\u0151sen cs\u00f6kken vagy ak\u00e1r el is t\u0171nik.<\/p>\n\n\n\n<p>A m\u00e9rgez\u00e9s a k\u00f6vetkez\u0151kre oszlik: reverzibilis m\u00e9rgez\u00e9s, meg\u00fajul\u00f3, \u00e1tmeneti m\u00e9rgez\u00e9s;<\/p>\n\n\n\n<p>Megel\u0151z\u0151 int\u00e9zked\u00e9sek: t\u00e1vol\u00edtsa el a m\u00e9rgeket, miel\u0151tt bel\u00e9p a reakci\u00f3r\u00e9szbe.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\"><li>Regener\u00e1l\u00e1s a szinterez\u00e9s inaktiv\u00e1l\u00e1sa ut\u00e1n<\/li><\/ol>\n\n\n\n<p>A kataliz\u00e1tor szinteresed\u00e9se olyan jelens\u00e9g, amelynek sor\u00e1n a krist\u00e1lyosod\u00e1si m\u00e9ret fokozatosan n\u00f6vekszik, vagy a primer r\u00e9szecsk\u00e9k feln\u0151nek a felhaszn\u00e1l\u00e1si folyamat sor\u00e1n.<\/p>\n\n\n\n<p>Megel\u0151z\u0151 int\u00e9zked\u00e9sek: az \u00fczemi k\u00f6r\u00fclm\u00e9nyek megv\u00e1laszt\u00e1sa Az \u00fczemi h\u0151m\u00e9rs\u00e9klet alacsonyabb, mint a Tammann-h\u0151m\u00e9rs\u00e9klet, \u00e1ltal\u00e1ban 0,5Tm. Hordoz\u00f3 kiv\u00e1laszt\u00e1sa: Ni\/Cr2O3 kataliz\u00e1tor Ni\/Cr2O3-Al2O3 szerkezet, seg\u00e9danyag (szepar\u00e1tor) hozz\u00e1ad\u00e1sa.<\/p>\n\n\n\n<p>Regener\u00e1ci\u00f3s m\u00f3dszer: A nagy szemcs\u00e9j\u0171 f\u00e9m oxig\u00e9nnel t\u00f6rt\u00e9n\u0151 oxid\u00e1ci\u00f3ja ut\u00e1n H2-vel reduk\u00e1l\u00f3dik.<\/p>\n\n\n\n<p>\u00d6t, alkalmaz\u00e1si p\u00e9ld\u00e1k<\/p>\n\n\n\n<p>Nemesf\u00e9m kataliz\u00e1tor regener\u00e1l\u00e1sa:<\/p>\n\n\n\n<p>\u2460A platina-oxid\u00e1lt fluorid kataliz\u00e1torok regener\u00e1l\u00e1sa, az ilyen kataliz\u00e1torokat \u00e1ltal\u00e1ban a k\u0151olajipari v\u00e1llalatok haszn\u00e1lj\u00e1k, a deaktiv\u00e1l\u00e1s f\u0151k\u00e9nt a kataliz\u00e1tor fel\u00fclet\u00e9n l\u00e9v\u0151 t\u00falzott sz\u00e9n miatt k\u00f6vetkezik be.<\/p>\n\n\n\n<p>Megold\u00e1s: fluidiz\u00e1lt \u00e1gyas sz\u00e9n\u00e9get\u0151 m\u00f3dszer, a kataliz\u00e1tort 3-4 alkalommal term\u00e9szetes leveg\u0151ben egy fluid\u00e1gyban oda-vissza \u00e9getik, a h\u0151m\u00e9rs\u00e9klet fokozatosan v\u00e1ltozik alacsonyr\u00f3l magasra, \u00e9s a maxim\u00e1lis h\u0151m\u00e9rs\u00e9klet nem haladja meg a 450 \u2103-ot; nitrog\u00e9n fix \u00e1gyas sz\u00e9n\u00e9get\u0151 m\u00f3dszer, a kiv\u00e1laszt\u00e1sban r\u00f6gz\u00edtett Az \u00e1gyban nitrog\u00e9nt adnak a leveg\u0151h\u00f6z, \u00e9s lass\u00fa szenesed\u00e9si \u00e9s dekokszol\u00e1si tev\u00e9kenys\u00e9get v\u00e9geznek 255-455 \u00b0 C-os h\u0151m\u00e9rs\u00e9kleten.<\/p>\n\n\n\n<p>\u2461Az Egyes\u00fclt \u00c1llamokban v\u00e9gzett vonatkoz\u00f3 kutat\u00e1sok azt mutatj\u00e1k, hogy az oxig\u00e9nnel \u00e9rintkez\u0151 kataliz\u00e1torok eset\u00e9ben a kataliz\u00e1tor fel\u00fclet\u00e9n l\u00e9v\u0151 sz\u00e9nlerak\u00f3d\u00e1sokat az oxig\u00e9noxid\u00e1ci\u00f3 elv\u00e9nek alkalmaz\u00e1s\u00e1val t\u00e1vol\u00edtj\u00e1k el, \u00e9s g\u00e1zredukci\u00f3t alkalmaznak.<\/p>\n\n\n\n<p>\u2462A nemesf\u00e9mtartalm\u00fa zeolitkataliz\u00e1tor fel\u00fclet\u00e9n t\u00falzottan sok sz\u00e9ntartalm\u00fa \u00fcled\u00e9k rak\u00f3dott le. A kataliz\u00e1tor fel\u00fclet\u00e9n l\u00e9v\u0151 m\u00e9rgek elt\u00e1vol\u00edt\u00e1s\u00e1nak \u00e1ltal\u00e1nos m\u00f3dszere a f\u00e9m \u00fajb\u00f3li diszperg\u00e1l\u00e1sa a kataliz\u00e1tor aktivit\u00e1s\u00e1nak helyre\u00e1ll\u00edt\u00e1sa \u00e9rdek\u00e9ben.<\/p>\n\n\n\n<p>\u2463 M\u00f3dszer a k\u00e9nnel m\u00e9rgezett zeolitot tartalmaz\u00f3 kataliz\u00e1tor reaktiv\u00e1l\u00e1s\u00e1ra: a regener\u00e1lt kataliz\u00e1torral Bronsted-savvegy\u00fclet vizes oldat\u00e1val val\u00f3 \u00e9rintkez\u00e9s, \u00e9s a felhalmoz\u00f3dott nemesf\u00e9mek diszperg\u00e1l\u00e1sa. Ha savas kezel\u00e9st v\u00e9geznek, haszn\u00e1ljon oxid\u00e1ci\u00f3s m\u00f3dszert a kezel\u00e9shez, hogy jav\u00edtsa A nemesf\u00e9mek diszperzi\u00f3j\u00e1nak m\u00e9rt\u00e9k\u00e9t.<\/p>\n\n\n\n<p>\u2464 Sz\u00e9nhordoz\u00f3 nemesf\u00e9m kataliz\u00e1tor regener\u00e1l\u00e1sa. \u00c1ltal\u00e1ban a vinil-acet\u00e1t szint\u00e9zis\u00e9hez vinil-acet\u00e1t k\u00e9k ecetsavhoz \u00e9s oxig\u00e9nhez t\u00f6rt\u00e9n\u0151 hozz\u00e1ad\u00e1s\u00e1nak folyamat\u00e1ban haszn\u00e1lj\u00e1k. Az \u00e1ltal\u00e1nos kezel\u00e9si m\u00f3dszer a l\u00fagos mos\u00e1s \u00e9s a t\u00f6bbsz\u00f6ri mos\u00e1s. A t\u00f6bbsz\u00f6r\u00f6s mos\u00e1si m\u00f3dszer a kataliz\u00e1tor 260-300 \u2103-os forr\u00f3 v\u00edzzel t\u00f6rt\u00e9n\u0151 mos\u00e1sa. A h\u00edg l\u00faggal t\u00f6rt\u00e9n\u0151 mos\u00e1s ut\u00e1n a kataliz\u00e1tornak \u00e9s a koncentr\u00e1ci\u00f3nak 13%-nek kell lennie. A -30% l\u00faggal val\u00f3 \u00e9rintkez\u00e9s, a h\u0151m\u00e9rs\u00e9kletet 3-100 \u2103 tartom\u00e1nyban tartsa, \u00e9s az \u00e9rintkez\u00e9si id\u0151 1-10 \u00f3ra. Nemcsak a kataliz\u00e1tort \u00e1ll\u00edtja vissza teljesen az eredeti szintre, hanem meghosszabb\u00edtja a kataliz\u00e1tor \u00e9lettartam\u00e1t is.<\/p>\n\n\n\n<p>Nem nemesf\u00e9m kataliz\u00e1tor regener\u00e1l\u00e1sa:<\/p>\n\n\n\n<p>\u2460 Ca m\u00e9rgez\u00e9s, n\u00f6velje a kataliz\u00e1torcsere mennyis\u00e9g\u00e9t, fokozza az elektromos s\u00f3talan\u00edt\u00e1s hat\u00e1s\u00e1t norm\u00e1l nyom\u00e1son, injekt\u00e1ljon m\u00e9sztelen\u00edt\u0151szert, \u00e9s haszn\u00e1ljon olajban old\u00f3d\u00f3 demulge\u00e1l\u00f3szert;<\/p>\n\n\n\n<p>V m\u00e9rgez\u00e9s, n\u00f6velje a kataliz\u00e1torcsere mennyis\u00e9g\u00e9t, cser\u00e9lje ki jobb egyens\u00falyoz\u00f3szerrel vagy m\u00e1gneses elv\u00e1laszt\u00f3szerrel, \u00e9s haszn\u00e1ljon Ni \u00e9s V bimet\u00e1l passziv\u00e1torokat;<\/p>\n\n\n\n<p>A Ni sorozat\u00fa kataliz\u00e1torokat regener\u00e1lj\u00e1k. A regener\u00e1l\u00e1si kezel\u00e9s korai szakasz\u00e1ban az ilyen t\u00edpus\u00fa kataliz\u00e1tornak meg kell tiszt\u00edtania a kataliz\u00e1tor szulfidos anyagait, miel\u0151tt a reaktorban el\u00e9getik, \u00e9s a f\u0171t\u0151kemence cs\u00f6v\u00e9t is haszn\u00e1lnia kell a dekokszol\u00e1sos kezel\u00e9shez. A kataliz\u00e1tor olajmentes\u00edt\u00e9s\u00e9t f\u0151k\u00e9nt tiszta olajjal helyettes\u00edtik. A kezel\u00e9s m\u00f3dja.<\/p>\n\n\n\n<p>M\u00e1sodszor, v\u00edzg\u0151z-leveg\u0151 regener\u00e1ci\u00f3s technol\u00f3gia. Ez a fajta regener\u00e1ci\u00f3s technol\u00f3gia m\u0171k\u00f6d\u00e9si m\u00f3dja viszonylag egyszer\u0171, a keletkez\u0151 kipufog\u00f3g\u00e1z nincs hat\u00e1ssal a k\u00f6vetkez\u0151 berendez\u00e9sekre, \u00e9s a szennyez\u00e9s m\u00e9rt\u00e9ke alacsony.<\/p>\n\n\n\n<p>\u2461 A van\u00e1dium kataliz\u00e1tor regener\u00e1l\u00e1sa. A van\u00e1diumalap\u00fa kataliz\u00e1torok regener\u00e1l\u00e1si mechanizmusa els\u0151sorban a v\u00edzben oldhat\u00f3 m\u00e9rgez\u0151 anyagok k\u00f6zvetlen felold\u00e1s\u00e1ra, majd kimos\u00e1s\u00e1ra szolg\u00e1l\u00f3 ionmentes v\u00edzzel t\u00f6rt\u00e9n\u0151 \u00e1ztat\u00e1s. A k\u00e9nsavas \u00e1ztat\u00e1sos kezel\u00e9si m\u00f3dszer alkalmaz\u00e1s\u00e1val az \u00f6sszes alk\u00e1lif\u00e9m m\u00e9rgez\u0151 elem elt\u00e1vol\u00edthat\u00f3, ugyanakkor szulf\u00e1tosod\u00e1s j\u00f6n l\u00e9tre a kataliz\u00e1toron.<\/p>\n\n\n\n<p>A van\u00e1dium-alap\u00fa kataliz\u00e1tor regener\u00e1l\u00e1si folyamata el\u0151sz\u00f6r a p\u00f6rk\u00f6l\u00e9si m\u00f3dszert haszn\u00e1lja az aktivit\u00e1s\u00e1t elvesztett kataliz\u00e1tor fel\u00fclet\u00e9n l\u00e9v\u0151 sz\u00e9nlerak\u00f3d\u00e1sok megtiszt\u00edt\u00e1s\u00e1ra, \u00e9s megfelel\u0151bb r\u00e9szecskem\u00e9retet v\u00e1laszt ki a megfelel\u00e9shez, \u00e9s hat\u00e9konyan megszervezi az akt\u00edv sz\u00f6vetszerkezetet a kataliz\u00e1tor fel\u00fclet\u00e9n, \u00e9s impregn\u00e1l\u00e1ssal kieg\u00e9sz\u00edti az akt\u00edv komponensek hozz\u00e1ad\u00e1s\u00e1t, majd a dobot dehidrat\u00e1l\u00e1sra, sz\u00e1r\u00edt\u00e1sra, sz\u00e1r\u00edt\u00e1s-aktiv\u00e1l\u00e1sra \u00e9s egy\u00e9b kezel\u00e9sekre haszn\u00e1lja.<\/p>\n\n\n\n<p>\u2462 Co-alap\u00fa kataliz\u00e1torok regener\u00e1l\u00e1sa. A Co \u00e1ra viszonylag magas, \u00e9s a regener\u00e1l\u00e1si technol\u00f3gia bonyolultabb. A Co-alap\u00fa kataliz\u00e1tor m\u0171k\u00f6d\u00e9se sor\u00e1n a kataliz\u00e1tor vesz\u00edt aktivit\u00e1s\u00e1b\u00f3l, mivel a kataliz\u00e1tor fel\u00fclet\u00e9n t\u00f6bb sz\u00e9nlerak\u00f3d\u00e1s keletkezik. Az ilyen t\u00edpus\u00fa kataliz\u00e1torok eset\u00e9ben a kataliz\u00e1tor aktivit\u00e1sa helyben t\u00f6rt\u00e9n\u0151 technol\u00f3gi\u00e1val vissza\u00e1ll\u00edthat\u00f3 a norm\u00e1l szintre, de a regener\u00e1l\u00e1si folyamat sor\u00e1n k\u00f6nnyebben okozhat v\u00e1ltoz\u00e1st a kataliz\u00e1tor teljes\u00edtm\u00e9ny\u00e9ben.<\/p>\n\n\n\n<p>Ezenk\u00edv\u00fcl a h\u0151m\u00e9rs\u00e9klet \u00e9s a hidrog\u00e9nez\u0151 kataliz\u00e1tor magass\u00e1g\u00e1nak n\u00f6veked\u00e9s\u00e9vel a kitett Mo2+ ionok mennyis\u00e9ge n\u0151, a Co2+ pedig ennek megfelel\u0151en cs\u00f6kken. A regener\u00e1l\u00f3 kezel\u00e9st magas, 400 \u00b0C feletti h\u0151m\u00e9rs\u00e9kleten v\u00e9gzik. A v\u00edz jelenl\u00e9te bizonyos m\u00e9rt\u00e9kben befoly\u00e1solja a kataliz\u00e1tor m\u0171k\u00f6d\u00e9s\u00e9t, \u00e9s a hidrog\u00e9nez\u00e9si konverzi\u00f3 \u00e9s a hidrog\u00e9nez\u00e9s aktiv\u00e1l\u00e1s\u00e1nak teljes\u00edtm\u00e9nye cs\u00f6kken.<\/p>\n\n\n\n<p>Hat, n\u00e9h\u00e1ny javaslat a kataliz\u00e1tor deaktiv\u00e1l\u00f3d\u00e1s\u00e1nak megel\u0151z\u00e9s\u00e9re<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Er\u0151s\u00edtse meg a nyersanyagok elemz\u00e9s\u00e9t \u00e9s v\u00e9grehajt\u00e1s\u00e1t, \u00e9s rendszeresen elemezze a szennyez\u0151d\u00e9sek tartalm\u00e1t.<\/li><li>Er\u0151s\u00edtse meg a nyersanyagok kezel\u00e9s\u00e9t, ford\u00edtson figyelmet a tart\u00e1lycsere elemz\u00e9s\u00e9re, k\u00fcl\u00f6n\u00f6sen a m\u00e1sodlagos feldolgoz\u00f3olajra.<\/li><li>Gondosan v\u00e1lassza ki a k\u00e9ntelen\u00edt\u0151 \u00e9s a kl\u00f3rmentes\u00edt\u0151 szereket, v\u00e1lassza a kr\u00f3m-molibd\u00e9nt, \u00e9s pr\u00f3b\u00e1lja meg nem v\u00e1lasztani a cinket \u00e9s a n\u00e1triumot.<\/li><li>A k\u00e9sz\u00fcl\u00e9k jellemz\u0151inek megfelel\u0151en \u00e9sszer\u0171en v\u00e1lassza ki a kataliz\u00e1tort.<\/li><li>Az \u00fczemeltet\u00e9sir\u00e1ny\u00edt\u00e1s \u00e9s a szem\u00e9lyzet k\u00e9pz\u00e9s\u00e9nek meger\u0151s\u00edt\u00e9se, valamint az \u00fczemeltet\u0151k felel\u0151ss\u00e9g\u00e9nek jav\u00edt\u00e1sa.<\/li><li>A kataliz\u00e1tor deaktiv\u00e1l\u00f3d\u00e1s\u00e1nak k\u00fcl\u00f6nb\u00f6z\u0151 okai szerint megfelel\u0151 tervek \u00e9s int\u00e9zked\u00e9sek kidolgoz\u00e1sa.<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"> <strong><strong>L\u00e9pjen kapcsolatba vel\u00fcnk most!<\/strong> <\/strong><\/h2>\n\n<!-- lc-qa-start -->\n<p><strong>Gyors v\u00e1lasz:<\/strong> \u00c1ltal\u00e1nos ipari-k\u00e9miai t\u00e9m\u00e1k eset\u00e9ben a legbiztons\u00e1gosabb kereskedelmi d\u00f6nt\u00e9s \u00e1ltal\u00e1ban az alkalmaz\u00e1s megfelel\u0151s\u00e9g\u00e9nek, a specifik\u00e1ci\u00f3nak, a folyamatkompatibilit\u00e1snak \u00e9s a kezel\u00e9si k\u00f6vetelm\u00e9nyeknek egy\u00fcttes ellen\u0151rz\u00e9s\u00e9b\u0151l sz\u00fcletik, ahelyett, hogy egyetlen egyszer\u0171s\u00edtett szab\u00e1lyra hagyatkozn\u00e1nk.<\/p>\n<!-- lc-qa-end -->\n\n\n\n\n\n\n<p> <strong>Ha COA, MSDS vagy TDS-re van sz\u00fcks\u00e9ge, k\u00e9rj\u00fck, t\u00f6ltse ki el\u00e9rhet\u0151s\u00e9g\u00e9t az al\u00e1bbi \u0171rlapon, \u00e1ltal\u00e1ban 24 \u00f3r\u00e1n bel\u00fcl felvessz\u00fck \u00d6nnel a kapcsolatot. \u00d6n is k\u00fcldhet nekem e-mailt <a href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a> munkaid\u0151ben ( 8:30-18:00 UTC+8 H.-Szombat ) vagy haszn\u00e1lja a weboldal \u00e9l\u0151 chatj\u00e9t, hogy azonnali v\u00e1laszt kapjon.<\/strong> <\/p>\n\n\n\n<p> <strong>Ezt a cikket a Longchang Chemical R&amp;D Department \u00edrta. Ha m\u00e1solni \u00e9s \u00fajranyomtatni szeretn\u00e9, k\u00e9rj\u00fck, adja meg a forr\u00e1st. <\/strong><\/p>\n\n\n<!-- lc-commercial-start -->\n<h2>Hogyan \u00e9rt\u00e9kelik \u00e1ltal\u00e1ban a m\u0171szaki v\u00e1s\u00e1rl\u00f3k ezt a k\u00e9miai t\u00e9m\u00e1t?<\/h2>\n<p>Az \u00e1ltal\u00e1nos k\u00e9miai d\u00f6nt\u00e9sek \u00e1ltal\u00e1ban vil\u00e1gosabb\u00e1 v\u00e1lnak, amikor a csapatok az elm\u00e9letr\u0151l az alkalmaz\u00e1si illeszked\u00e9sre t\u00e9rnek \u00e1t: mit kell tennie az anyagnak, milyen tisztas\u00e1g\u00fanak kell lennie, hogyan viselkedik a val\u00f3s folyamatban, \u00e9s milyen tov\u00e1bbi korl\u00e1toknak kell megfelelnie.<\/p>\n<ul>\n<li><strong>El\u0151sz\u00f6r is defini\u00e1ld a haszn\u00e1lati esetet:<\/strong> A laborat\u00f3riumi ismeretek \u00e9s az ipari beszerz\u00e9s gyakran elt\u00e9r\u0151 szint\u0171 specifik\u00e1ci\u00f3t ig\u00e9nyelnek.<\/li>\n<li><strong>A folyamatok kompatibilit\u00e1s\u00e1nak ellen\u0151rz\u00e9se:<\/strong> A kezel\u00e9s, a kever\u00e9s, a stabilit\u00e1s \u00e9s a k\u00e9s\u0151bbi k\u00f6lcs\u00f6nhat\u00e1sok gyakran meghat\u00e1rozz\u00e1k, hogy egy anyag praktikus-e haszn\u00e1lni.<\/li>\n<li><strong>T\u00e1rol\u00e1si \u00e9s sz\u00e1ll\u00edt\u00e1si viselked\u00e9s \u00e1ttekint\u00e9se:<\/strong> Az eltarthat\u00f3s\u00e1g, a nedvess\u00e9g\u00e9rz\u00e9kenys\u00e9g, a h\u0151m\u00e9rs\u00e9kleti tartom\u00e1ny \u00e9s a csomagol\u00e1s mind sz\u00e1m\u00edthat a kereskedelemben.<\/li>\n<li><strong>Haszn\u00e1ljon minta-valid\u00e1ci\u00f3t, ha az alkalmaz\u00e1s kritikus:<\/strong> A kisl\u00e9pt\u00e9k\u0171 visszaigazol\u00e1s gyakran a legt\u00f6bb id\u0151t takar\u00edtja meg a teljes v\u00e1s\u00e1rl\u00e1si d\u00f6nt\u00e9s el\u0151tt.<\/li>\n<\/ul>\n<h3>GYIK v\u00e1s\u00e1rl\u00f3knak \u00e9s formul\u00e1l\u00f3knak<\/h3>\n<p><strong>Mi\u00e9rt lehet az, hogy egy pap\u00edron helyesnek t\u0171n\u0151 anyag haszn\u00e1latban gyeng\u00e9bben teljes\u00edt?<\/strong><br \/>Mivel a val\u00f3s folyamatk\u00f6r\u00fclm\u00e9nyek, az aljzatok k\u00f6lcs\u00f6nhat\u00e1sa \u00e9s a t\u00e1rol\u00e1si viselked\u00e9s olyan probl\u00e9m\u00e1kat t\u00e1rhat fel, amelyek egy egyszer\u0171s\u00edtett specifik\u00e1ci\u00f3s \u00e1ttekint\u00e9s sor\u00e1n nem nyilv\u00e1nval\u00f3ak.<\/p>\n<p><strong>A m\u0171szaki vegyszer kiv\u00e1laszt\u00e1s\u00e1t mindig a legolcs\u00f3bb opci\u00f3val kell kezdeni?<\/strong><br \/>\u00c1ltal\u00e1ban nem. A legalacsonyabb beszerz\u00e9si \u00e1r nem mindig egyezik a legalacsonyabb felhaszn\u00e1l\u00e1si k\u00f6lts\u00e9ggel, ha figyelembe vessz\u00fck a folyamat illeszked\u00e9s\u00e9t, a stabilit\u00e1st \u00e9s a tov\u00e1bbfeldolgoz\u00e1s min\u0151s\u00e9g\u00e9t.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>Today 90% of the chemical industry contains catalyst processes, which increase the reaction rate and selectivity in production. With the increase of industrial production time, the catalyst will be deactivated,<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-4907","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Reasons for catalyst deactivation and various regeneration conditions - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Today 90% of the chemical industry contains catalyst processes, which increase the reaction rate and selectivity in production. 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