12-02-2015 дата публикации
Номер: US20150041366A1
Принадлежит:
This disclosures provides an adsorbent which, on the basis of the total weight of the adsorbent, comprises: 1) a Si—Al molecular sieve having an A-FAU structure, wherein A represents a monovalent cation, in an amount of 1-20 wt %, 2) at least one binder selected from the group consisting of titanium dioxide, stannic oxide, zirconium oxide and alumina, in an amount of 3-35 wt %, 3) a silica source, in an amount of 5-40 wt %, 4) zinc oxide, in an amount of 10-80 wt %, and 5) at least one promoter metal selected from the group consisting of cobalt, nickel, iron and manganese, based on the metal, in an amount of 5-30 wt %, wherein at least 10 wt % of the promoter metal is present in a reduced valence state. This adsorbent exhibits improved activity and stability, and at the same time, is capable of significantly improving the octane number of the product gasoline. 1. A desulfurization adsorbent for hydrocarbon oil , on the basis of the total weight of the adsorbent , comprising the following components ,1) a Si—Al molecular sieve having an A-FAU structure, wherein A represents a monovalent cation, in an amount of 1-20 wt %,2) at least one binder selected from the group consisting of titanium dioxide, stannic oxide, zirconium oxide and alumina, in an amount of 3-35 wt %,3) a silica source, in an amount of 5-40 wt %,4) zinc oxide, in an amount of 10-80 wt %, and5) at least one promoter metal selected from the group consisting of cobalt, nickel, iron and manganese, based on the metal, in an amount of 5-30 wt %, wherein at least 10 wt % of the promoter metal is present in a reduced valence state.2. The adsorbent according to claim 1 , wherein the Si—Al molecular sieve having an A-FAU structure is in an amount of 2-15 wt % claim 1 , the binder is in an amount of 5-25 wt % claim 1 , the silica source is in an amount of 10-30 wt % claim 1 , the zinc oxide is in an amount of 25-70 wt % claim 1 , the promoter metal is in an amount of 8-25 wt %.3. The adsorbent according to claim ...
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