A kind of Bioelectrochemical device and method extracting also proper energy from discarded object and waste water

The present invention relates to a kind of from discarded object and waste water, extract also proper energy Bioelectrochemical device and method.This device comprises the anode chamber as reactor, conduction wall, barrier film, anode, external circuit, and load or additional power source, and conduction wall is the negative electrode of reactor, and negative electrode is embedded in anode chamber as reactor body structure or as independent negative electrode.This device multiple in parallel or series connection can make integrating device, increases disposal ability.Under this device can be operated in biological fuel cell or biological electrolysis pool mode, or two kinds of mode alternate runs, the course of work controls the pH value of waste water between 4 to 9.