Zobrazeno 1 - 10
of 2 418
pro vyhledávání: '"beta zeolite"'
Publikováno v:
Green Chemical Engineering, Vol 5, Iss 4, Pp 501-510 (2024)
The development of sustainable techniques to produce high-performance zeolite is essential to achieve green production in industry. Herein, we report an eco-friendly route to synthesizing hierarchical Beta zeolite from kaolinite and recycled mother l
Externí odkaz:
https://doaj.org/article/61e877f51fc142a58b55a64e00ab5bec
Autor:
Yanchao Liu, Weijiong Dai, Jiajun Zheng, Yanze Du, Quanhua Wang, Niklas Hedin, Bo Qin, Ruifeng Li
Publikováno v:
Advanced Science, Vol 11, Iss 34, Pp n/a-n/a (2024)
Abstract Waste plastics bring about increasingly serious environmental challenges, which can be partly addressed by their interconversion into valuable compounds. It is hypothesized that the porosity and acidity of a zeolite‐based catalyst will aff
Externí odkaz:
https://doaj.org/article/4e50d9dc69ae43e8b66adfd8d5c47954
Autor:
Mateus da Silva Carvalho, Francieli Martins Mayer, Ana Paula Stelzer de Oliveira, Doris Ruiz, Cesário Francisco das Virgens, Maria do Carmo Rangel
Publikováno v:
Biomass, Vol 3, Iss 3, Pp 279-290 (2023)
Catalytic pyrolysis is an attractive alternative for converting biomass into energy and chemicals, replacing fossil sources. Efficient catalysts can be used to remove compounds containing oxygen during pyrolysis, improving the bio-oil properties and
Externí odkaz:
https://doaj.org/article/49ee1938c0eb4ea0b4779d1e73a4679d
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 4543-4553 (2023)
Based on the method of quantitative pyrolysis of ammonium sulfate, sulfur tolerance of Pd/beta zeolite in catalytic conversion of toluene was explored in this paper. Changes in pore structure, valence, acidity, oxidation, and adsorption/desorption be
Externí odkaz:
https://doaj.org/article/c4b530bf9f4648fbb182a5e6ce7c25ab
Publikováno v:
Chemistry, Vol 5, Iss 1, Pp 479-491 (2023)
Second-generation biomass (BM) can be produced in amounts that meet worldwide fuel demands. However, BM favors parallel and undesirable reactions in its transformation chain. We circumvent this problem by first modifying BM by ketalization, giving a
Externí odkaz:
https://doaj.org/article/0aed583eab7444fc9ea81177b6ec4a28
Publikováno v:
Molecules, Vol 29, Iss 6, p 1386 (2024)
The rational synthesis of zeolites with designed morphology is a highly challenging task. In this study, we propose 1,5-bis(methylpiperidine)pentylammonium hydroxide (BMPPAOH) as an organic structure-directing agent (OSDA) based on theoretical calcul
Externí odkaz:
https://doaj.org/article/b002109af50145fa9bb257cd11584ab2
Akademický článek
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Publikováno v:
Catalysis Communications, Vol 182, Iss , Pp 106746- (2023)
A post-synthetic modification strategy for anchoring PdO nanoparticles on the Beta zeolite surface and obtaining stable and highly dispersed PdO sites with abundant active Pdn+ (0 ) 99% methane conversion at 375 °C with a space velocity of 30,000 mL
Externí odkaz:
https://doaj.org/article/e3d9dd3072964768871c130869668b88
Akademický článek
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Autor:
Ali Al-Shathr, Bashir Y. Al-Zaidi, Amal K. Shehab, Zaidoon M. Shakoor, Safa Aal-Kaeb, Laura Quintana Gomez, Hasan Sh. Majdi, Emad N. Al-Shafei, Adnan A. AbdulRazak, James McGregor
Publikováno v:
Catalysis Communications, Vol 181, Iss , Pp 106718- (2023)
Coke formation inside heterogeneous reactors is an important industrial problem that leads to reduced catalyst efficiency. However, this study aims to prove the benefits of coke build-up in improving catalyst performance. The formation and decomposit
Externí odkaz:
https://doaj.org/article/59e0f81c8c5e4c5593e78681405a9fd3