Ammonia → Zirconium hydroxide (Zr(OH)4), (T-4)-

HRID 569313

Reaction equation

HRID 569313 reaction equation
[Cl-].[Ti+4:2].[Cl-].[Cl-].[Cl-].[Cl-].[Zr+4:7].[Cl-].[Cl-].[Cl-].N.C([OH:14])C>>[OH-:14].[Ti+4:2].[OH-:14].[OH-:14].[OH-:14].[OH-:14].[Zr+4:7].[OH-:14].[OH-:14].[OH-:14]

Participants

6

Reactant 4

HCID 222AmmoniaHCID 702EthanolHCID 160960Diamminetetrachlorotitanate(IV)HCID 9856075Zirconium chloride (ZrCl4), (T-4)-

Product 2

HCID 84465Zirconium hydroxide (Zr(OH)4), (T-4)-HCID 88494Titanium hydroxide

Procedure

An equimolar solutions of titanium chloride (TiCl4) and zirconium chloride (ZrCl4) in anhydrous ethanol are mixed and treated with excess aqueous ammonia solution to obtain a co-precipitate of titanium hydroxide and zirconium hydroxide. After working up said co-precipitate in a manner similar in example 1 it is calcined at 500° C. to obtain a support which is then impregnated with an appropriate amount of aqueous nickel oxalate solution and dried at 90° C. so as to obtain a supported catalyst which contains 2% by weight of nickel catalyst. The supported catalyst is then divided into four equal portions which are all reduced in reactors with hydrogen at respectively 250° C., 300° C., 400° C. and 500° C. The supported catalysts thus reduced are then tested for their activity in the conversion of benzene under the following conditions:

Sources & evidence

ORD record
ord-cc32a43fec0a4a78b69eae9b787334d6
Source dataset
uspto-grants-1988_03
Patent number
US04731496

Linked notes

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