Table 1

Standard redox potential for select zero-valent metals and hydrogen"

Fig.1

Schematic representation of enhancement effect of the acid washing on ${\rm{BrO}}_3^ - $ removal by Al[12]"

Fig.2

Schematic representation of the reaction of Al/C composite materials with water[27]"

Fig.3

SEM micrograph (a) and TEM micrograph (b) of GMAPs with composition of 72 wt% Al + 28 wt% γ-Al2O3[32]"

Fig.4

Processes in Al-water reaction[36]"

Fig.5

Hydrogen generation from water using GMAPs with different γ-Al2O3/Al compositions[32]"

Fig.6

Surface structures of Al particles before (a) and after (b) heat treatment[40]"

Table 2

Hydrogen generation from water using Al powder with different processing methods"

Fig.7

Effect of initial gas pressure (a) and different oxides or hydroxides (b) on Al-water reaction for hydrogen generation[41]"

Fig.8

H2 evolution from deionized water using GMAPs prepared using the Al(OH)3 suspensions produced by different-sized Al powders and pure Al(OH)3 powder[42]"

Fig.9

Influence of the Al(OH)3 suspension prepared in different ways on hydrogen generation by reaction of Al with water[43]"

Fig.10

Schematic representation of aqueous contaminant removal by GMAPs[44]"

Fig.11

Cr(Ⅵ) removal by different-sized GMAPs (a) and the reusability of GMAPs (b) [44]"

Table 3

Cr(Ⅵ) removal by Al powder with different processing methods"

Fig.12

GMAPs used for removal of methyl orange (a), methyl blue (b), and a reusability test (c)[47]"

Table 4

Methyl orange (M-orange)/methyl blue (M-blue) degradation by different materials"

Fig.13

SEM micrograph of the different Al powder[56]"

Fig.14

${\rm{BrO}}_3^ - $ removal by surface modified Al powder prepared in different ways (a) and recyclability of ${\rm{BrO}}_3^ - $ removal by GMAPs (b)[56]"

Table 5

${\rm{BrO}}_3^ - $ removal by different materials"