Table 1 A brief literature survey of promoter/modifier Ni-doped different supports.

Ni

Group I

Li

²⁹

Ni

K

^11,12

³⁰

⁴⁶

Ni

Group II

Mg

^13,14,15,16

^31,32

^{47,48,49,50,51}

Ni

Ca

^13,14,15,16

³⁰

^52,53

Ni

Sr

^13,14,15,16

Ni

Ba

^13,14,15,16

³³

Ni

Group III

Y

¹⁷

Ni

La

¹⁸

³⁴

^54,55

Ni

Ce

^19,20

^30,35,36

^56,57,58

Ni

Group IV

Ti

²¹

Ni

Zr

^22,23

^37,38

–

Ni

Group VI

Mo

²¹

Ni

W

²¹

Ni

Group VII

Mn

²⁴

³⁸

Ni

Group IX

Co

²⁵

^39,40

Ni

Group XI

Cu

²⁵

^41,42

Ni

Group XII

Zn

²⁶

⁴⁰

Ni

Group XIII

B

²⁷

Ni

Al

–

⁴³

Ni

Group XIV

Si

²¹

–

Ni

Sn

¹⁴

⁴⁴