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Zeolite Synthesis Using Degradable Structure-Directing Agents and Pore-Filling Agents †

✍ Scribed by Lee, Hyunjoo; Zones, Stacey I.; Davis, Mark E.

Book ID
125514382
Publisher
American Chemical Society
Year
2005
Tongue
English
Weight
305 KB
Volume
109
Category
Article
ISSN
0022-3654

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📜 SIMILAR VOLUMES

Zeolite synthesis using novel structure
Zeolite synthesis using novel structure directing agents
📂 Article 📅 2009 🏛 Elsevier Science ⚖ 59 KB

## US labour union seeks end to HF in refineries The United Steelworkers union is appealing for a phaseout of hydrogen fluoride (HF) alkylation units in the USA for safety reasons. The National Petrochemical & Refiners Association opposed the call, arguing that HF is safe like other catalysts and

Alkylammonium polycations as structure-d
Alkylammonium polycations as structure-directing agents in MFI zeolite synthesis
✍ Larry W Beck; Mark E Davis 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 427 KB

Silicate and aluminosilicate MFI-type zeolites are synthesized with di-and triquaternary ammonium cations as structure-directing agents (SDA). Solid-state NMR spectra show that polycations are intact in the as-synthesized zeolites. Materials synthesized with polycationic molecules are compared to ze