{"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\/tr\/reasons-for-catalyst-deactivation\/","title":{"rendered":"Kataliz\u00f6r deaktivasyonunun nedenleri ve \u00e7e\u015fitli rejenerasyon ko\u015fullar\u0131"},"content":{"rendered":"

G\u00fcn\u00fcm\u00fczde kimya end\u00fcstrisinin 90%'si, \u00fcretimde reaksiyon h\u0131z\u0131n\u0131 ve se\u00e7icili\u011fi art\u0131ran kataliz\u00f6r proseslerini i\u00e7ermektedir. End\u00fcstriyel \u00fcretim s\u00fcresinin artmas\u0131yla birlikte kataliz\u00f6r deaktive olacakt\u0131r, bu da katalitik reaksiyon h\u0131z\u0131nda bir azalmad\u0131r. Edit\u00f6r, daha iyi ekonomik ve \u00e7evresel faydalar \u00fcretmek i\u00e7in deaktive olmu\u015f kataliz\u00f6r\u00fcn aktivitesinin nas\u0131l yenilenece\u011fini anlatmaktad\u0131r.<\/p>\n\n\n\n

Kataliz\u00f6r deaktivasyonu, sabit reaksiyon ko\u015fullar\u0131 alt\u0131nda ger\u00e7ekle\u015ftirilen bir katalitik reaksiyonun d\u00f6n\u00fc\u015f\u00fcm oran\u0131n\u0131n zamanla azald\u0131\u011f\u0131 bir olgudur. Kataliz\u00f6r deaktivasyon s\u00fcreci \u00fc\u00e7 t\u00fcre ayr\u0131l\u0131r: kimyasal, termal ve mekanik.<\/p>\n\n\n\n

  1. Kimyasal inaktivasyon<\/li><\/ol>\n\n\n\n

    Neden sonu\u00e7<\/p>\n\n\n\n

    Kokla\u015fma (kokla\u015fma) y\u00fczey alan\u0131 azal\u0131r, t\u0131kanma<\/p>\n\n\n\n

    Metal kirlili\u011fi Azalm\u0131\u015f y\u00fczey alan\u0131 ve azalm\u0131\u015f katalitik aktivite<\/p>\n\n\n\n

    Zehir adsorpsiyonu, aktif b\u00f6lge indirgenmesi<\/p>\n\n\n\n

    1. Is\u0131 inaktivasyonu<\/li>
    2. Mekanik inaktivasyon<\/li><\/ol>\n\n\n\n

      Neden sonu\u00e7<\/p>\n\n\n\n

      Par\u00e7ac\u0131k k\u0131r\u0131lmas\u0131 Kataliz\u00f6r yata\u011f\u0131n\u0131n kanalize olmas\u0131 ve t\u0131kanmas\u0131<\/p>\n\n\n\n

      Azalt\u0131lm\u0131\u015f y\u00fczey alan\u0131<\/p>\n\n\n\n

      1. Kataliz\u00f6r rejenerasyonu<\/li><\/ol>\n\n\n\n

        End\u00fcstriyel kataliz\u00f6r rejenerasyonunun genel kural\u0131, her rejenere edildi\u011finde aktivitesinin orijinal aktivitesinden daha d\u00fc\u015f\u00fck olaca\u011f\u0131d\u0131r. Rejenere kataliz\u00f6r\u00fcn \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131, rejenerasyon \u00f6ncesine g\u00f6re \u00f6nemli \u00f6l\u00e7\u00fcde daha y\u00fcksektir. Ayr\u0131ca, devre d\u0131\u015f\u0131 b\u0131rak\u0131lan kataliz\u00f6r\u00fcn s\u0131k s\u0131k ve sonsuza kadar tekrarlanmas\u0131 imkans\u0131zd\u0131r. Rejenerasyonun sonunda de\u011fi\u015ftirilmesi gerekecektir.<\/p>\n\n\n\n

        1. Kokla\u015ft\u0131rma (kokla\u015ft\u0131rma) deaktivasyonundan sonra rejenerasyon:<\/li><\/ol>\n\n\n\n

          Kataliz\u00f6r\u00fcn kullan\u0131m\u0131 s\u0131ras\u0131nda, y\u00fczeyde kademeli olarak karbon birikintilerinin olu\u015fmas\u0131 nedeniyle kataliz\u00f6r\u00fcn aktivitesinin azalmas\u0131 s\u00fcreci.<\/p>\n\n\n\n

          K\u00f6m\u00fcr yakma (hava + su buhar\u0131), kok birikintilerinin deaktivasyonundan sonra end\u00fcstriyel kataliz\u00f6rlerde yayg\u0131n olarak kullan\u0131l\u0131r<\/p>\n\n\n\n

          Kataliz\u00f6r g\u00f6zeneklerindeki karbon i\u00e7eren tortular\u0131n karbon monoksit ve karbon dioksite oksitlenmesiyle katalitik aktivite geri kazan\u0131labilir.<\/p>\n\n\n\n

          Tasfiye y\u00f6nteminde, karbon birikiminin organik yan \u00fcr\u00fcnleri, mekanik toz ve \u00e7ok ciddi olmayan safs\u0131zl\u0131klar, kataliz\u00f6r\u00fcn g\u00f6zeneklerini t\u0131kar veya kataliz\u00f6r y\u00fczeyinin aktif merkezlerini kaplar ve yerinde tasfiye y\u00f6ntemi ile giderilebilir.<\/p>\n\n\n\n

          Yenileme s\u0131ras\u0131nda dikkat edilmesi gereken hususlar:<\/p>\n\n\n\n

          Rejenerasyon s\u0131cakl\u0131\u011f\u0131 ve s\u00fcresi kataliz\u00f6r\u00fcn sinterlenmesini \u00f6nlemek i\u00e7in iyi ayarlanm\u0131\u015ft\u0131r; rejenerasyon d\u00f6ng\u00fcs\u00fc kokla\u015fma birikim oran\u0131na g\u00f6re de\u011fi\u015fir.<\/p>\n\n\n\n

          1. Metal kirlili\u011fi inaktivasyonu ve rejenerasyonu<\/li><\/ol>\n\n\n\n

            Metal kirlili\u011finin kaynaklar\u0131 ham petrol veya k\u00f6m\u00fcrdeki do\u011frudan s\u0131v\u0131la\u015ft\u0131r\u0131lm\u0131\u015f s\u0131v\u0131 metal bile\u015fikleri, metal porfirin kompleksleri veya porfirin olmayan bile\u015fikler, \u00f6zellikle V, Ni, Fe, Cu, Ca, Mg, Na, K, vb.<\/p>\n\n\n\n

            Kataliz\u00f6r rejenerasyonundan \u00f6nce<\/p>\n\n\n\n

            Kataliz\u00f6r rejenerasyonundan sonra<\/p>\n\n\n\n

            \u00d6nleme y\u00f6ntemi: hammaddelerdeki porfirini gidermek i\u00e7in kimyasal y\u00f6ntem veya adsorpsiyon y\u00f6ntemi, katk\u0131 maddeleri (antimon bile\u015fikleri) eklemek, pasifle\u015ftirmek i\u00e7in metal safs\u0131zl\u0131klar\u0131 ile ala\u015f\u0131mlar olu\u015fturmak.<\/p>\n\n\n\n

            1. Zehirlenme inaktivasyonu ve rejenerasyon<\/li><\/ol>\n\n\n\n

              Kataliz\u00f6r\u00fcn temas etti\u011fi ak\u0131\u015fkandaki az miktarda safs\u0131zl\u0131k kataliz\u00f6r\u00fcn aktivitesi \u00fczerine adsorbe olur ve kataliz\u00f6r\u00fcn aktivitesi \u00f6nemli \u00f6l\u00e7\u00fcde azal\u0131r veya hatta kaybolur.<\/p>\n\n\n\n

              Zehirlenme ikiye ayr\u0131l\u0131r: geri d\u00f6n\u00fc\u015f\u00fcml\u00fc zehirlenme, yenilenebilir, ge\u00e7ici zehirlenme;<\/p>\n\n\n\n

              \u00d6nleme tedbirleri: reaksiyon b\u00f6l\u00fcm\u00fcne girmeden \u00f6nce zehirleri \u00e7\u0131kar\u0131n.<\/p>\n\n\n\n

              1. Sinterleme deaktivasyonundan sonra rejenerasyon<\/li><\/ol>\n\n\n\n

                Kataliz\u00f6r\u00fcn sinterlenmesi, kullan\u0131m s\u00fcreci s\u0131ras\u0131nda kristalit boyutunun kademeli olarak artt\u0131\u011f\u0131 veya birincil partik\u00fcllerin b\u00fcy\u00fcd\u00fc\u011f\u00fc bir olgudur.<\/p>\n\n\n\n

                \u00d6nleme tedbirleri: \u00e7al\u0131\u015fma ko\u015fullar\u0131n\u0131n se\u00e7imi \u00c7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 Tammann s\u0131cakl\u0131\u011f\u0131ndan daha d\u00fc\u015f\u00fckt\u00fcr, genellikle 0,5Tm. Ta\u015f\u0131y\u0131c\u0131 se\u00e7imi: Ni\/Cr2O3 kataliz\u00f6r Ni\/Cr2O3-Al2O3 yap\u0131s\u0131, yard\u0131mc\u0131 madde (ay\u0131r\u0131c\u0131) eklenmesi.<\/p>\n\n\n\n

                Rejenerasyon y\u00f6ntemi: B\u00fcy\u00fck taneli metal oksijen ile oksitlendikten sonra H2 ile indirgenir.<\/p>\n\n\n\n

                Be\u015f, uygulama \u00f6rnekleri<\/p>\n\n\n\n

                De\u011ferli metal kataliz\u00f6r\u00fcn rejenerasyonu:<\/p>\n\n\n\n

                Platinle oksitlenmi\u015f flor\u00fcr kataliz\u00f6rlerinin rejenerasyonu, bu t\u00fcr kataliz\u00f6rler genellikle petrol \u015firketleri taraf\u0131ndan kullan\u0131l\u0131r, deaktivasyon esas olarak kataliz\u00f6r y\u00fczeyindeki a\u015f\u0131r\u0131 karbondan kaynaklan\u0131r.<\/p>\n\n\n\n

                \u00c7\u00f6z\u00fcm: ak\u0131\u015fkan yatakl\u0131 odun k\u00f6m\u00fcr\u00fc yakma y\u00f6ntemi, kataliz\u00f6r 3-4 kez ak\u0131\u015fkan bir yatakta do\u011fal havada ileri geri yak\u0131l\u0131r, s\u0131cakl\u0131k kademeli olarak d\u00fc\u015f\u00fckten y\u00fckse\u011fe de\u011fi\u015fir ve maksimum s\u0131cakl\u0131k 450 \u2103'yi ge\u00e7mez; nitrojen sabit yatakl\u0131 odun k\u00f6m\u00fcr\u00fc yakma y\u00f6ntemi, se\u00e7imde sabit Yatakta havaya nitrojen eklenir ve 255-455 \u00b0 C aral\u0131\u011f\u0131nda bir s\u0131cakl\u0131kta yava\u015f k\u00f6m\u00fcrle\u015fme ve dekoking faaliyetleri ger\u00e7ekle\u015ftirilir.<\/p>\n\n\n\n

                \u2461Amerika Birle\u015fik Devletleri'ndeki ilgili ara\u015ft\u0131rmalar, oksijen ile temas halinde olan kataliz\u00f6rler i\u00e7in, kataliz\u00f6r y\u00fczeyindeki karbon birikintilerinin oksijen oksidasyonu prensibi kullan\u0131larak giderildi\u011fini ve gaz indirgemesinin kullan\u0131ld\u0131\u011f\u0131n\u0131 g\u00f6stermektedir.<\/p>\n\n\n\n

                \u2462 Soy metal i\u00e7eren zeolit kataliz\u00f6r\u00fcn y\u00fczeyinde a\u015f\u0131r\u0131 karbonlu tortu birikmi\u015ftir. Kataliz\u00f6r y\u00fczeyindeki zehirleri ortadan kald\u0131rmak i\u00e7in yayg\u0131n y\u00f6ntem, kataliz\u00f6r\u00fcn aktivitesinin geri kazan\u0131lmas\u0131n\u0131 sa\u011flamak i\u00e7in metali yeniden da\u011f\u0131tmakt\u0131r.<\/p>\n\n\n\n

                \u2463 S\u00fclf\u00fcrle zehirlenmi\u015f zeolit i\u00e7eren kataliz\u00f6r\u00fc yeniden aktive etme y\u00f6ntemi: rejenere kataliz\u00f6r\u00fc sulu bir Bronsted asit bile\u015fi\u011fi \u00e7\u00f6zeltisi ile temas ettirin ve biriken de\u011ferli metalleri da\u011f\u0131t\u0131n. Asit i\u015flemi ger\u00e7ekle\u015ftirilirse, de\u011ferli metallerin da\u011f\u0131lma derecesini iyile\u015ftirmek i\u00e7in i\u015flem i\u00e7in oksidasyon y\u00f6ntemini kullan\u0131n.<\/p>\n\n\n\n

                \u2464 Karbon ta\u015f\u0131y\u0131c\u0131 de\u011ferli metal kataliz\u00f6r\u00fcn rejenerasyonu. Genellikle vinil asetat sentezlemek i\u00e7in asetik asit ve oksijene mavi ekleme i\u015fleminde kullan\u0131l\u0131r. Genel ar\u0131tma y\u00f6ntemi, sodal\u0131 y\u0131kama ve \u00e7oklu y\u0131kama kullanmakt\u0131r. \u00c7oklu y\u0131kama y\u00f6ntemi, kataliz\u00f6r\u00fc 260-300 \u2103'de s\u0131cak su alt\u0131nda y\u0131kamakt\u0131r. Seyreltik sodal\u0131 su ile y\u0131kand\u0131ktan sonra kataliz\u00f6r ve konsantrasyon 13% olmal\u0131d\u0131r. 30% k\u00fcl suyu ile temas, s\u0131cakl\u0131\u011f\u0131 3-100 \u2103 aral\u0131\u011f\u0131nda tutun ve temas s\u00fcresi 1-10 saattir. Kataliz\u00f6r\u00fcn orijinal seviyesine tamamen geri d\u00f6nmesini sa\u011flamakla kalmaz, ayn\u0131 zamanda kataliz\u00f6r\u00fcn hizmet \u00f6mr\u00fcn\u00fc de uzat\u0131r.<\/p>\n\n\n\n

                De\u011ferli olmayan metal kataliz\u00f6r rejenerasyonu:<\/p>\n\n\n\n

                \u2460 Ca zehirlenmesi, kataliz\u00f6r de\u011fi\u015ftirme miktar\u0131n\u0131 art\u0131r\u0131n, normal bas\u0131n\u00e7ta elektrikli tuzdan ar\u0131nd\u0131rma etkisini art\u0131r\u0131n, kire\u00e7 \u00e7\u00f6z\u00fcc\u00fc madde enjekte edin ve ya\u011fda \u00e7\u00f6z\u00fcn\u00fcr dem\u00fclgat\u00f6r kullan\u0131n;<\/p>\n\n\n\n

                V zehirlenmesi, kataliz\u00f6r de\u011fi\u015fim miktar\u0131n\u0131n art\u0131r\u0131lmas\u0131, daha iyi bir denge maddesi veya manyetik ay\u0131rma maddesi ile de\u011fi\u015ftirilmesi ve Ni ve V bimetal pasifle\u015ftiricilerin kullan\u0131lmas\u0131;<\/p>\n\n\n\n

                Ni serisi kataliz\u00f6rler rejenere edilir. Rejenerasyon i\u015fleminin erken a\u015famas\u0131nda, bu t\u00fcr bir kataliz\u00f6r\u00fcn reakt\u00f6r yak\u0131lmadan \u00f6nce kataliz\u00f6r\u00fcn s\u00fclf\u00fcrl\u00fc maddelerini temizlemesi ve ayr\u0131ca dekokaj i\u015flemi i\u00e7in \u0131s\u0131tma f\u0131r\u0131n\u0131 t\u00fcp\u00fcn\u00fc kullanmas\u0131 gerekir. Kataliz\u00f6r\u00fcn ya\u011f\u0131n\u0131n giderilmesi esas olarak berrak ya\u011f ile de\u011fi\u015ftirilir. Bununla ba\u015fa \u00e7\u0131kman\u0131n yolu.<\/p>\n\n\n\n

                \u0130kinci olarak, su buhar\u0131-hava rejenerasyon teknolojisi. Bu t\u00fcr rejenerasyon teknolojisi i\u015fletim y\u00f6ntemi nispeten basittir, \u00fcretilen egzoz gaz\u0131n\u0131n a\u015fa\u011f\u0131 ak\u0131\u015f ekipman\u0131 \u00fczerinde hi\u00e7bir etkisi yoktur ve kirlilik derecesi d\u00fc\u015f\u00fckt\u00fcr.<\/p>\n\n\n\n

                \u2461 Vanadyum kataliz\u00f6r\u00fcn\u00fcn rejenerasyonu. Vanadyum bazl\u0131 kataliz\u00f6rlerin rejenerasyon mekanizmas\u0131, suda \u00e7\u00f6z\u00fclebilen zehirleyici maddeleri do\u011frudan \u00e7\u00f6zmek ve ard\u0131ndan y\u0131kamak i\u00e7in esas olarak deiyonize suda bekletme kullanmakt\u0131r. S\u00fclf\u00fcrik asit \u0131slatma i\u015flemi y\u00f6nteminin kullan\u0131lmas\u0131, t\u00fcm alkali metal zehirleyici elementleri ortadan kald\u0131rabilir ve ayn\u0131 zamanda kataliz\u00f6r \u00fczerinde s\u00fclfatla\u015fma \u00fcretebilir.<\/p>\n\n\n\n

                Vanadyum bazl\u0131 kataliz\u00f6r\u00fcn rejenerasyon s\u00fcreci, ilk olarak aktivitesini kaybeden kataliz\u00f6r\u00fcn y\u00fczeyindeki karbon birikintilerini temizlemek i\u00e7in kavurma y\u00f6ntemini kullanmak ve e\u015fle\u015ftirme i\u00e7in daha uygun bir par\u00e7ac\u0131k boyutu se\u00e7mek ve kataliz\u00f6r y\u00fczeyindeki aktif doku yap\u0131s\u0131n\u0131 etkili bir \u015fekilde d\u00fczenlemek ve aktif bile\u015fenleri eklemek i\u00e7in emprenye kullanmak ve ard\u0131ndan dehidrasyon, kurutma, kurutma aktivasyonu ve di\u011fer i\u015flemler i\u00e7in tamburu kullanmakt\u0131r.<\/p>\n\n\n\n

                \u2462 Co bazl\u0131 kataliz\u00f6rlerin rejenerasyonu. Co'nun fiyat\u0131 nispeten y\u00fcksektir ve rejenerasyon teknolojisi daha karma\u015f\u0131kt\u0131r. Co bazl\u0131 kataliz\u00f6r\u00fcn \u00e7al\u0131\u015fmas\u0131 s\u0131ras\u0131nda, kataliz\u00f6r y\u00fczeyinde daha fazla karbon birikmesi nedeniyle kataliz\u00f6r aktivitesini kaybeder. Bu t\u00fcr bir kataliz\u00f6r i\u00e7in, kataliz\u00f6r\u00fcn aktivitesi yerinde teknoloji ile normal bir seviyeye geri getirilebilir, ancak rejenerasyon i\u015flemi s\u0131ras\u0131nda kataliz\u00f6r\u00fcn performans\u0131n\u0131n de\u011fi\u015fmesine neden olmak daha kolayd\u0131r.<\/p>\n\n\n\n

                Buna ek olarak, hidro-i\u015flem kataliz\u00f6r\u00fcn\u00fcn s\u0131cakl\u0131\u011f\u0131 ve y\u00fcksekli\u011fi artt\u0131k\u00e7a, maruz kalan Mo2+ iyonlar\u0131 artacak ve Co2+ buna ba\u011fl\u0131 olarak azalacakt\u0131r. Rejenerasyon i\u015flemi 400\u00b0C'nin \u00fczerinde y\u00fcksek bir s\u0131cakl\u0131kta ger\u00e7ekle\u015ftirilir. Suyun varl\u0131\u011f\u0131 kataliz\u00f6r\u00fcn i\u015flevini belirli bir \u00f6l\u00e7\u00fcde etkileyecek ve hidrojenasyon d\u00f6n\u00fc\u015f\u00fcm\u00fc ve hidrojenasyon aktivasyonunun performans\u0131 azalacakt\u0131r.<\/p>\n\n\n\n

                Alt\u0131, kataliz\u00f6r deaktivasyonunu \u00f6nlemek i\u00e7in birka\u00e7 \u00f6neri<\/p>\n\n\n\n

                1. Hammaddelerin analizini ve uygulamas\u0131n\u0131 g\u00fc\u00e7lendirin ve safs\u0131zl\u0131klar\u0131n i\u00e7eri\u011fini d\u00fczenli olarak analiz edin.<\/li>
                2. Hammadde y\u00f6netimini g\u00fc\u00e7lendirin, \u00f6zellikle ikincil i\u015fleme ya\u011f\u0131 olmak \u00fczere tank de\u011fi\u015fiminin analizine dikkat edin.<\/li>
                3. K\u00fck\u00fcrt giderme maddesini ve klorsuzla\u015ft\u0131rma maddesini dikkatlice se\u00e7in, krom molibden se\u00e7in ve \u00e7inko ve sodyum se\u00e7memeye \u00e7al\u0131\u015f\u0131n.<\/li>
                4. Cihaz\u0131n \u00f6zelliklerine g\u00f6re kataliz\u00f6r\u00fc makul bir \u015fekilde se\u00e7in.<\/li>
                5. Operasyon y\u00f6netimini ve personel e\u011fitimini g\u00fc\u00e7lendirmek ve operat\u00f6rlerin sorumlulu\u011funu art\u0131rmak.<\/li>
                6. Kataliz\u00f6r deaktivasyonunun farkl\u0131 nedenlerine g\u00f6re ilgili planlar ve \u00f6nlemler geli\u015ftirin.<\/li><\/ol>\n\n\n\n

                  \u015eimdi Bize Ula\u015f\u0131n!<\/strong> <\/strong><\/h2>\n\n\n

                  Quick answer:<\/strong> For general industrial-chemical topics, the safest commercial decision usually comes from checking application fit, specification, process compatibility, and handling requirements together instead of relying on one simplified rule.<\/p>\n\n\n\n\n\n\n\n

                  COA, MSDS veya TDS'ye ihtiyac\u0131n\u0131z varsa, l\u00fctfen a\u015fa\u011f\u0131daki forma ileti\u015fim bilgilerinizi girin, genellikle 24 saat i\u00e7inde sizinle ileti\u015fime ge\u00e7ece\u011fiz. Bana e-posta da g\u00f6nderebilirsiniz info@longchangchemical.com<\/a> \u00c7al\u0131\u015fma saatleri i\u00e7inde (8:30 - 6:00 UTC+8 Pzt.~Sat.) veya h\u0131zl\u0131 yan\u0131t almak i\u00e7in web sitesi canl\u0131 sohbetini kullan\u0131n.<\/strong> <\/p>\n\n\n\n

                  Bu makale Longchang Kimya Ar-Ge Departman\u0131 taraf\u0131ndan yaz\u0131lm\u0131\u015ft\u0131r. Kopyalaman\u0131z ve yeniden basman\u0131z gerekiyorsa, l\u00fctfen kayna\u011f\u0131 belirtin. <\/strong><\/p>\n\n\n\n

                  How technical buyers usually evaluate this chemical topic<\/h2>\n

                  General chemical decisions usually become clearer when teams move from theory to application fit: what the material needs to do, how pure it needs to be, how it behaves in the real process, and what downstream constraints it must satisfy.<\/p>\n

                    \n
                  • Define the use case first:<\/strong> laboratory understanding and industrial purchasing often need different levels of specification detail.<\/li>\n
                  • Check process compatibility:<\/strong> handling, blending, stability, and downstream interaction often determine whether a material is practical to use.<\/li>\n
                  • Review storage and transport behavior:<\/strong> shelf life, moisture sensitivity, temperature range, and packaging can all matter commercially.<\/li>\n
                  • Use sample validation when the application is critical:<\/strong> small-scale confirmation often saves the most time before a full purchasing decision.<\/li>\n<\/ul>\n

                    FAQ for buyers and formulators<\/h3>\n

                    Why can a material that looks correct on paper still underperform in use?<\/strong>
                    Because real-world process conditions, substrate interaction, and storage behavior can reveal problems that are not obvious in a simplified specification review.<\/p>\n

                    Should technical chemical selection always start with the lowest-cost option?<\/strong>
                    Not usually. The lowest purchase price is not always the lowest use cost once process fit, stability, and downstream quality are considered.<\/p>\n","protected":false},"excerpt":{"rendered":"

                    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":"\nReasons 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. With the increase of ind...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/tr\/reasons-for-catalyst-deactivation\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reasons for catalyst deactivation and various regeneration conditions - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"Today 90% of the chemical industry contains catalyst processes, which increase the reaction rate and selectivity in production. With the increase of ind...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangchemical.com\/tr\/reasons-for-catalyst-deactivation\/\" \/>\n<meta property=\"og:site_name\" content=\"Longchang Chemical\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-10T14:30:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-28T10:41:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2024\/02\/logo-jpeg.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Longchang Chemical\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/\"},\"author\":{\"name\":\"Longchang Chemical\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e\"},\"headline\":\"Reasons for catalyst deactivation and various regeneration conditions\",\"datePublished\":\"2021-12-10T14:30:37+00:00\",\"dateModified\":\"2026-04-28T10:41:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/\"},\"wordCount\":1685,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"articleSection\":[\"Catalysts & Chemical Auxiliary Agents\"],\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/\",\"url\":\"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/\",\"name\":\"Reasons for catalyst deactivation and various regeneration conditions - Longchang Chemical\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/#website\"},\"datePublished\":\"2021-12-10T14:30:37+00:00\",\"dateModified\":\"2026-04-28T10:41:52+00:00\",\"description\":\"Today 90% of the chemical industry contains catalyst processes, which increase the reaction rate and selectivity in production. With the increase of ind...\",\"breadcrumb\":{\"@id\":\"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/longchangchemical.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Reasons for catalyst deactivation and various regeneration conditions\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/longchangchemical.com\/#website\",\"url\":\"https:\/\/longchangchemical.com\/\",\"name\":\"Longchang Chemical\",\"description\":\"China chemical manufacturer \uff06 supplier\",\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/longchangchemical.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"tr\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/longchangchemical.com\/#organization\",\"name\":\"Longchang Chemical\",\"url\":\"https:\/\/longchangchemical.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png\",\"contentUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png\",\"width\":512,\"height\":512,\"caption\":\"Longchang Chemical\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e\",\"name\":\"Longchang Chemical\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g\",\"caption\":\"Longchang Chemical\"},\"sameAs\":[\"https:\/\/longchangchemical.com\"],\"url\":\"https:\/\/longchangchemical.com\/tr\/author\/infolongchangchemical-com\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Kataliz\u00f6r deaktivasyonunun nedenleri ve \u00e7e\u015fitli rejenerasyon ko\u015fullar\u0131 - Longchang Chemical","description":"Today 90% of the chemical industry contains catalyst processes, which increase the reaction rate and selectivity in production. With the increase of ind...","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/longchangchemical.com\/tr\/reasons-for-catalyst-deactivation\/","og_locale":"tr_TR","og_type":"article","og_title":"Reasons for catalyst deactivation and various regeneration conditions - Longchang Chemical","og_description":"Today 90% of the chemical industry contains catalyst processes, which increase the reaction rate and selectivity in production. With the increase of ind...","og_url":"https:\/\/longchangchemical.com\/tr\/reasons-for-catalyst-deactivation\/","og_site_name":"Longchang Chemical","article_published_time":"2021-12-10T14:30:37+00:00","article_modified_time":"2026-04-28T10:41:52+00:00","og_image":[{"width":1000,"height":1000,"url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2024\/02\/logo-jpeg.jpg","type":"image\/jpeg"}],"author":"Longchang Chemical","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/#article","isPartOf":{"@id":"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/"},"author":{"name":"Longchang Chemical","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e"},"headline":"Reasons for catalyst deactivation and various regeneration conditions","datePublished":"2021-12-10T14:30:37+00:00","dateModified":"2026-04-28T10:41:52+00:00","mainEntityOfPage":{"@id":"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/"},"wordCount":1685,"commentCount":0,"publisher":{"@id":"https:\/\/longchangchemical.com\/#organization"},"articleSection":["Catalysts & Chemical Auxiliary Agents"],"inLanguage":"tr","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/","url":"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/","name":"Kataliz\u00f6r deaktivasyonunun nedenleri ve \u00e7e\u015fitli rejenerasyon ko\u015fullar\u0131 - Longchang Chemical","isPartOf":{"@id":"https:\/\/longchangchemical.com\/#website"},"datePublished":"2021-12-10T14:30:37+00:00","dateModified":"2026-04-28T10:41:52+00:00","description":"Today 90% of the chemical industry contains catalyst processes, which increase the reaction rate and selectivity in production. With the increase of ind...","breadcrumb":{"@id":"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/#breadcrumb"},"inLanguage":"tr","potentialAction":[{"@type":"ReadAction","target":["https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/longchangchemical.com\/reasons-for-catalyst-deactivation\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/longchangchemical.com\/"},{"@type":"ListItem","position":2,"name":"Reasons for catalyst deactivation and various regeneration conditions"}]},{"@type":"WebSite","@id":"https:\/\/longchangchemical.com\/#website","url":"https:\/\/longchangchemical.com\/","name":"Longchang Kimya","description":"\u00c7in kimyasal \u00fcreticisi \uff06 tedarik\u00e7isi","publisher":{"@id":"https:\/\/longchangchemical.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/longchangchemical.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"tr"},{"@type":"Organization","@id":"https:\/\/longchangchemical.com\/#organization","name":"Longchang Kimya","url":"https:\/\/longchangchemical.com\/","logo":{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/","url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png","contentUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png","width":512,"height":512,"caption":"Longchang Chemical"},"image":{"@id":"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e","name":"Longchang Kimya","image":{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","caption":"Longchang Chemical"},"sameAs":["https:\/\/longchangchemical.com"],"url":"https:\/\/longchangchemical.com\/tr\/author\/infolongchangchemical-com\/"}]}},"_links":{"self":[{"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/posts\/4907","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/comments?post=4907"}],"version-history":[{"count":6,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/posts\/4907\/revisions"}],"predecessor-version":[{"id":9620,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/posts\/4907\/revisions\/9620"}],"wp:attachment":[{"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/media?parent=4907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/categories?post=4907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/tags?post=4907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}