Zobrazeno 1 - 10
of 3 252
pro vyhledávání: '"ta215"'
Autor:
Kai Wu, Yongdan Li, Yunfei Bai, Fei Yan, Yushuai Sang, Fuhang Mai, Meng Jin, Kai Cui, Mengmeng Chen, Zhe Wen, Linhao Yu, Hong Chen, Zewei Ma
Publikováno v:
Catalysis Today. 355:272-279
Tarkista embargo! MSo The catalytic ethanolysis of microcrystalline cellulose in supercritical ethanol is examined over a sulfonated hydrothermal carbon catalyst (SHTC). SHTC is amorphous carbon containing −OH, −COOH and −SO3H groups with total
Publikováno v:
Renewable Energy. 139:1428-1436
The main objective of this work comprises the investigation of biodiesel production from rapeseed oil using potassium impregnated Fe3O4-CeO2 nanocatalyst. The various concentration of potassium impregnated Fe3O4-CeO2 was screened for catalytic conver
Autor:
Lijun Fan, Yongdan Li, Xiaojing Zhi, Ping Li, Yicheng Zhao, Nianjun Hou, Xueli Yao, Guochang Ding, Tian Gan, Boran Chen
Publikováno v:
Catalysis Today. 330:222-227
Ni-MnOx-Ce0.8Sm0.2O1.9 (SDC) composites are synthesized and investigated as anode materials of solid oxide fuel cells fed with methanol. The lowest anodic polarization resistance is obtained when the molar ratio of Mn to Ni is 0.05:0.95. The high cat
Autor:
Juha Kaunisto, Karri Penttilä, Lasse Murtomäki, Antero Laitinen, Mikko Manninen, Jouni Syrjanen
Publikováno v:
Laitinen, A T, Penttilä, K J T, Manninen, M T, Syrjänen, J K, Kaunisto, J M & Murtomäki, L S 2019, ' Axial dispersion and CFD models for the extraction of levulinic acid from dilute aqueous solution in a Kühni column with 2-methyltetrahydrofuran solvent ', Chemical Engineering Research and Design, vol. 146, pp. 518-527 . https://doi.org/10.1016/j.cherd.2019.04.018
1D axial dispersion and 3D CFD models for the extraction of levulinic acid from dilute aqueous solution by applying 2-methyltetrahydrofuran as a solvent are presented. The models are validated by comparison with the measured levulinic acid concentrat
Publikováno v:
The Journal of Physical Chemistry C. 123:13569-13577
Platinum (Pt)-free catalysts for the hydrogen evolution reaction (HER) is currently a blooming research topic in view of the high cost and scarcity of Pt. Experiments on single-shell carbon-encapsu...
Autor:
Sergei I. Ivlev, Gunter Heymann, Hubert Huppertz, Malte Sachs, Clemens Pietzonka, Jörn Bruns, Benjamin Scheibe, Antti J. Karttunen, Florian Kraus
Publikováno v:
Chemistry – A European Journal. 25:7366-7374
A laboratory-scale synthesis of UF4 is presented that utilizes the reduction of UF6 with sulfur in anhydrous hydrogen fluoride. An excess of sulfur can be removed by vacuum sublimation, yielding pure UF4 , as shown by powder X-ray diffraction, micro
Autor:
Huawang Zhao, Yingnan Zhao, Yongdan Li, Yuhan Ma, Xianghui Li, Hong Chen, Mengke Liu, Xin Yong
Publikováno v:
Catalysis Today. 327:126-133
Two kinds of Cu-SAPO-34 catalysts, prepared with a one-pot technique using Cu- tetraethylenepentamine as co-template and an ion-exchange method, were hydrothermally treated at 750 °C for at least 16 h. The migration of Cu species during hydrothermal
Publikováno v:
Analytica Chimica Acta. 1055:126-132
We have developed a rapid and sensitive universal peptide-based time-resolved luminescence assay for detection of enzymatic post-translational modifications (PTMs). PTMs play essential roles in intracellular signaling and cell regulation, thus provid
Autor:
Yue Dong, Katja Lappalainen
Publikováno v:
Biomass and Bioenergy. 123:159-165
In this work pine sawdust was converted into levulinic acid (LA) and furfural. Sawdust was first pre-treated with sulfuric acid-catalysed mechanical depolymerization. The conversion reactions were then performed with microwave heating at 180 °C. To
Autor:
N. M. Ushakov, Alexander Rashkovskiy, Maxim Panov, Dmitry P. Rupasov, Albert G. Nasibulin, Mikhail Yu. Vasilkov, Rolf Hempelmann, Fedor S. Fedorov, Tanja Kallio, Jaeho Lee
Publikováno v:
International Journal of Hydrogen Energy. 44:10593-10603
Here we report an approach to design composite cathode based on TiO x nanotubes decorated with RuO x nanowhiskers for efficient hydrogen evolution. We tailor catalytic activity of the cathodes by adjustment of morphology of TiO x nanotubular support