Year 2020, Volume 23 , Issue 1, Pages 105 - 110 2020-03-01

Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi
Production of Nickel Oxalate Dihydrate from Spent Ni-Mo Hydrodesulfurization Catalyst

Sedat İLHAN [1]


Kullanılmış Ni-Mo HDS katalizörü, değerli metallerin geri kazanımı için önemli ikincil kaynaklardan biridir. Geri kazanım prosesleri hem çevresel hem de ekonomik açıdan önem arzetmektedir. Oksitleyeci kavurma sonrasında Ni-Mo HDS katalizörünün % 5.27 Ni içerdiği belirlenmiştir. Bu çalışmada oksitleyici kavurmaya tabi tutulan Ni-Mo HDS katalizöründen okzalik asitli çözeltilerde NiC2O4∙2H2O üretimi incelenmiştir. ICP-OES analizinden çözeltideki nikel konsantrasyonunun deneyin başında arttığı, bir maksimum değere ulaştıktan sonra azalmaya başladığı görülmüştür. NiC2O4∙2H2O’ın iki adımda konsekütif reaksiyon sonucunda oluştuğu tespit edilmiştir. 1/10 katı/sıvı oranı ile 40 oC sıcaklık, 1 M okzalik asit çözeltisi, 300 rpm karıştırma hızı kullanılarak 480 dakika süre ile gerçekleştirilen deney sonucunda % 99.1 verimle NiC2O4∙2H2O üretilmiştir. Kuru hava atmosferinde gerçekleştirilen TG-DTA analizi, üretilen NiC2O4∙2H2O’ın iki kademede bozunduğunu ve 350 oC civarında tamamlanan ikinci bozunma kademesinden sonra tamamen NiO’e dönüştüğünü göstermiştir.

Spent Ni-Mo HDS catalyst is one of the most important secondary resources for the recovery of valuable metals. Recovery processes are important from the economical and environmental point of view. Ni content of Ni-Mo HDS catalyst was determined as 5.27 % after oxidative roasting. Production of NiC2O4∙2H2O from roasted HDS catalyst was investigated in this work. It is seen from the ICP-OES analysis that nickel concentration in the solution was increased to a maximum value at the beginning of the experiment and then decreased. NiC2O4∙2H2O was formed in a consecutive reaction in two steps. NiC2O4∙2H2O was produced with efficiency of 99.1 % from the experiment carried out using 1/10 solid/liquid ratio, 40 oC temperature, 1 M oxalic acid, 300 rpm stirring speed and 480 minutes reaction duration. TG-DTA analysis performed in dry air atmosphere showed that NiC2O4∙2H2O produced decomposed in two steps and formed NiO after second decomposition step at about 350 oC.

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Primary Language tr
Subjects Engineering
Journal Section Research Article
Authors

Orcid: 0000-0001-9976-0955
Author: Sedat İLHAN (Primary Author)
Institution: İstanbul Üniversitesi-Cerrahpaşa
Country: Turkey


Dates

Publication Date : March 1, 2020

Bibtex @research article { politeknik523668, journal = {Politeknik Dergisi}, issn = {}, eissn = {2147-9429}, address = {Gazi Üniversitesi Teknoloji Fakültesi 06500 Teknikokullar - ANKARA}, publisher = {Gazi University}, year = {2020}, volume = {23}, pages = {105 - 110}, doi = {10.2339/politeknik.523668}, title = {Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi}, key = {cite}, author = {İLHAN, Sedat} }
APA İLHAN, S . (2020). Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi. Politeknik Dergisi , 23 (1) , 105-110 . DOI: 10.2339/politeknik.523668
MLA İLHAN, S . "Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi". Politeknik Dergisi 23 (2020 ): 105-110 <https://dergipark.org.tr/en/pub/politeknik/issue/51707/523668>
Chicago İLHAN, S . "Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi". Politeknik Dergisi 23 (2020 ): 105-110
RIS TY - JOUR T1 - Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi AU - Sedat İLHAN Y1 - 2020 PY - 2020 N1 - doi: 10.2339/politeknik.523668 DO - 10.2339/politeknik.523668 T2 - Politeknik Dergisi JF - Journal JO - JOR SP - 105 EP - 110 VL - 23 IS - 1 SN - -2147-9429 M3 - doi: 10.2339/politeknik.523668 UR - https://doi.org/10.2339/politeknik.523668 Y2 - 2019 ER -
EndNote %0 Politeknik Dergisi Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi %A Sedat İLHAN %T Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi %D 2020 %J Politeknik Dergisi %P -2147-9429 %V 23 %N 1 %R doi: 10.2339/politeknik.523668 %U 10.2339/politeknik.523668
ISNAD İLHAN, Sedat . "Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi". Politeknik Dergisi 23 / 1 (March 2020): 105-110 . https://doi.org/10.2339/politeknik.523668
AMA İLHAN S . Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi. Politeknik Dergisi. 2020; 23(1): 105-110.
Vancouver İLHAN S . Kullanılmış Ni-Mo Hidrodesülfürizasyon Katalizöründen Nikel Okzalat Dihidrat Üretimi. Politeknik Dergisi. 2020; 23(1): 110-105.