- type Y zeolite
- Faujasite zeolite with ratio of Si/Al greater than 1.5. Y zeolites have pores the size of common molecules and are very useful in refining reactions.
Petroleum refining glossary. 2013.
type Y zeolite
Look at other dictionaries:
Zéolite d'Hellesta — Apophyllite Apophyllite Catégorie IX : silicates apophyllite, Rio grande do sul, Brésil (28x14cm) … Wikipédia en Français
Zeolite — Zéolithe Zéolithe … Wikipédia en Français
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rare earth ultra stable Y zeolite — abbr. REUSY A cracking catalyst component made by ion exchanging rare earth (lanthanide) metals into ultra stable type Y molecular sieves. See: rare earth, USY, type Y zeolite … Petroleum refining glossary
rare earth hydrogen Y zeolite — abbr. REHY A cracking catalyst component. See: REY, REUSY, type Y zeolite … Petroleum refining glossary
rare earth Y zeolite — abbr. REY A cracking catalyst component made by ion exchanging rare earth (lanthanide) metals into sodium Y molecular sieves. See: rare earth, type Y zeolite … Petroleum refining glossary
ultra stable Y zeolite — abbr. USY A form of type Y zeolite with the majority of sodium ions removed and treated thermally to enhance its thermal and steam stability. USY has proved exceedingly useful in FCC catalysts … Petroleum refining glossary
Pyramidal zeolite — Apophyllite Apophyllite Catégorie IX : silicates apophyllite, Rio grande do sul, Brésil (28x14cm) … Wikipédia en Français
SAPO — is the Portuguese and Spanish word for toad. It may also refer to: Mount Sapo, fictitious mountain in Italy Mount Sapo, real mountain in Cochabamba Department, Bolivia; see Cerro Sapo (Bolivia) Mount Sapo, real mountain in Darién Province,… … Wikipedia
metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… … Universalium
