Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Selenium or tellurium or compound containing same
Patent
1988-12-06
1989-11-14
McFarlane, Anthony
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Selenium or tellurium or compound containing same
502216, 502219, 502220, 502222, 423508, 423509, 4235611, 4235661, B01J 2704, C01B 1720
Patent
active
048807613
ABSTRACT:
This invention relates to a crystalline composition having a three-dimensional microporous structure of MA.sub.2 units where A is sulfur or selenium and having the empirical formula expressed in molar ratios: xR:MA.sub.2.+-.0.2 :zH.sub.2 O where R represents at least one organic templating agent present in the intracrystalline pore system, x is the moles of R, z is the moles of water and M is germanium or tin. This invention also relates to a composition having the empirical formula expressed in molar ratios: xR:M.sub.1-y M'.sub.y A.sub.2.+-.0.2 :zH.sub.2 O, where M' is a metal such as cobalt, zinc, manganese, iron, nickel, copper, cadmium and gallium. This invention further relates to a method of preparing the crystalline composition.
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M. Evain, M. Queignec and R. Brec and C. Sourisseau, "Chalcogen Substitution in the Ta.sub.4 P.sub.4 S.sub.29 Tunnel Structure: Synthesis and Structure of TaPS.sub.6 Se", vol. 75, 413-431 (1988).
Bedard Robert L.
Flanigen Edith M.
Vail Lawrence D.
Wilson Stephen T.
McBride Thomas K.
McFarlane Anthony
Molinaro Frank S.
Snyder Eugene I.
UOP
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