Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Nuray Oktar"'
Publikováno v:
Catalysts, Vol 12, Iss 10, p 1102 (2022)
Core-shell-type catalysts, which are synthesized by encapsulating the Cu-ZnO-Alumina type methanol synthesis catalyst (CZA) by silicotungstic acid (STA)-incorporated mesoporous alumina, were prepared following a hydrothermal route and tested in DME s
Externí odkaz:
https://doaj.org/article/e6337d70d9d44f03b6631cfb7480a17f
Publikováno v:
Volume: 9, Issue: 107-123
Konya Mühendislik Bilimleri Dergisi
Konya Mühendislik Bilimleri Dergisi
Bu çalışma kapsamında asetik asitten hidrojen üretimi için karbon oluşumuna karşı dirençli Ni içerikli mezogözenekli alüminosilikat (Al2(SiO2)3) destekli katalizörler geliştirilmiştir. Mezogözenekli ticari alüminosilikat (Al2(SiO2)3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6c2e9aa6bd38683da0bc4204d36c0f8
https://doi.org/10.36306/konjes.982692
https://doi.org/10.36306/konjes.982692
Publikováno v:
International Journal of Hydrogen Energy. 46:38281-38298
Highly ordered mesoporous gamma-Al2O3 particles and MgO materials were synthesized by evaporation induced self-assembly (EISA) and template-free hydrothermal co-precipitation routes, respectively. Ni, Ni-MgO, and Ni-La2O3-containing catalysts were pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6efabd8d97adc783633a9f6661fdd950
https://doi.org/10.1016/j.ijhydene.2021.09.084
https://doi.org/10.1016/j.ijhydene.2021.09.084
Publikováno v:
International Journal of Hydrogen Energy. 46:5296-5310
In the present study, non-oxidative dehydrogenation of ethane was carried out by using conventional heated (CHRS) and microwave heated (MWHRS) reactor systems. Reactions were conducted in the presence of SBA-15 supported Cr or Mo catalysts, and the a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ba3544babb391c05c54319bf0eaef02
https://doi.org/10.1016/j.ijhydene.2020.11.067
https://doi.org/10.1016/j.ijhydene.2020.11.067
Publikováno v:
International Journal of Hydrogen Energy. 45:21252-21261
Steam reforming of acetic acid was investigated in the presence of Ni@SiO2 microsphere catalysts. The effects of Ni loading, H2O/AcOH ratio, and temperature on hydrogen selectivity and acetic acid conversion were determined via statistical analysis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bca54df769cd02dec3c9c4b6f719fbae
https://doi.org/10.1016/j.ijhydene.2020.05.146
https://doi.org/10.1016/j.ijhydene.2020.05.146
Autor:
Nuray Oktar, Birce Pekmezci Karaman, Kamilla Umbetkaliyeva, Tursunay Vassilina, Gulzira Vassilina
Publikováno v:
Materials Today: Proceedings. 31:580-583
Mesoporous aluminosilicate HMS was synthesized and adopted as a support for Ni and Mo-containing catalysts. Characterization of various samples was performed through XRD and DRIFT techniques. Textural and morphological characteristics were examined u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::972522f594de4494a73d2f68184e14b8
https://doi.org/10.1016/j.matpr.2020.06.562
https://doi.org/10.1016/j.matpr.2020.06.562
Publikováno v:
Catalysis Today. 323:191-199
A new mesoporous catalyst support material was synthesized by incorporation of zirconia into the structure of MCM-41 through a one-pot procedure. Catalytic performances of MCM-41 and Zr incorporated MCM-41 (25Zr-MCM-41) supported Ni or Cu catalysts w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f10ef26d1fb7826724fe839a7d9ff29e
https://doi.org/10.1016/j.cattod.2018.06.004
https://doi.org/10.1016/j.cattod.2018.06.004
Autor:
Emine Kaya Ekinci, Nuray Oktar
Publikováno v:
Green Processing and Synthesis, Vol 8, Iss 1, Pp 128-134 (2019)
A series of active and selective MCM-41 supported catalysts have been successfully prepared and used for bioderived glycerol esterification with acetic acid to produce fuel additives. In the synthesis of MCM-41, an acidic hydrothermal synthesis route
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63ac5b0e1f33db7d9f923f2d0ae87193
https://doi.org/10.1515/gps-2018-0034
https://doi.org/10.1515/gps-2018-0034
Autor:
Birce Pekmezci Karaman, Nuray Oktar
HZSM-5 zeolites are active materials in dimethyl ether (DME) production with high surface acidity. In this study, hierarchical HZSM-5 catalysts were synthesized with steam-assisted crystallization (SAC) method and then in order to increase its surfac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::826ee25d7618e3439a12f7bcadb545fb
https://aperta.ulakbim.gov.tr/record/9035
https://aperta.ulakbim.gov.tr/record/9035
In the present study, a set of methanol synthesis catalysts with different Cu/Zn/Al or Cu/Zn/Zr molar ratios were synthesized by a co-precipitation method. Silicotungstic acid and tungstophosphoric acid were impregnated into these materials to synthe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8fe8f3229394ffd4c657e6ccde893d84
https://aperta.ulakbim.gov.tr/record/3115
https://aperta.ulakbim.gov.tr/record/3115