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Priority to RO129956ApriorityCriticalpatent/RO98705B1/ro
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Solid-Sorbent Or Filter-Aiding Compositions
(AREA)
Abstract
Inventia se refera la un procedeu de preparare hidrotermala, la 160 degree C, timp de 72 h, a unui zeolit cu structura tip ZK-19, din compozitii initiale libere de agenti de dirijare structurala, caracterizate prin: SiO2/Al2O3=15-16; (Na2O+K2O)/Al2O3=9-11; H2O/Al2O3=190-300. Produsul obtinut manifesta selectivitate în adsorbtie si caracter hidrofob: capacitate de absorbtie a vaporilor de apa 1,5...1,9% si a n-heptanului 11,8% si prezinta, totodata, o structura ultrastabila termic.
RO129956A1987-10-051987-10-05Procedu de preparare a zeolitului de tip zk 19
RO98705B1
(ro)
Clatrasilo cristalino del tipo estructural del dodecasilo 1h, que tiene un tamaño promedio de cristal pequeño, proceso para su produccion y pigmentos que lo contienen.