To react with water , however , aluminum must be stripped of its natural oxide layer , a process which requires pulverization , chemical reactions with caustic substances , or alloys .
Energy can be extracted from aluminum by reacting it with water to generate hydrogen .
To react with water , however , aluminum must be stripped of aluminum 's natural oxide layer , a process which requires pulverization , chemical reactions with caustic substances , or alloys .
Energy can be extracted from aluminum by reacting it with water to generate hydrogen .