Nanometer zero-valent iron-hydrogen autotrophic microorganism system reactor and application method thereof

The invention discloses a nano zero-valent iron-hydrogen autotrophic microorganism system reactor and an application method thereof, and relates to the technical field of water treatment systems. The nano zero-valent iron-hydrogen autotrophic microorganism system reactor comprises a biochemical reactor; the biochemical reactor comprises a three-neck flask, a stirring device and a butt joint device; the stirring device comprises a bracket, a direct current motor, a sealing plug and a stirring paddle; the butt joint device comprises a rubber plug, a pipe A and a pipe B; the rubber plug is installed on a first opening or a third opening of the three-opening flask in a sealed mode, the pneumatic valve A is installed on an upper end opening of the pipe A, and the pneumatic valve B is installed on an upper end opening of the pipe B. The uniquely designed biochemical reactor disclosed by the invention is good in air tightness and flexibility, can be easily disassembled and assembled with other parts, facilitates ope