NOVELTY - Resource processing for methane electrical generation gas comprises coal bed gas (15) passing through spray tower (1) and performing with spray liquid, obtaining gas reactant; filling nitrogen, methane, oxygen, a little spray liquid, and a part of moisture into gas liquid separator for gas liquid separating; sending into cooling tower (4) through regeneration tower (3); filling carbon dioxide, sulfur dioxide, hydrogen sulfide, another part of spray liquid, and moisture into regeneration tower; filling gas out from tail gas inlet; and obtaining 98 wt.% of nitrogen and 2 wt.% of spray liquid.    USE - The resource processing is useful for methane electrical generation gas (claimed).    ADVANTAGE - The process can effectively remove carbon dioxide in methane electrical generation gas and convert into useful resource. Moreover, it does not pollute environment.    DETAILED DESCRIPTION - Resource processing for methane electrical generation gas comprises coal bed gas (15) passing through spray tower (1) and performing with spray liquid comprising 38-58% of monoethanolamine, 38-58% of triethanolmine, and 3.6-4.5% of piperazidine, obtaining gas reactant comprising 70-86% of carbon dioxide, 10-24% of sulfur dioxide, 3-5% of hydrogen sulfide, and 0.5-1.5% of mixture that has not been carried out; where the mixture that has not been carried out comprises 76 wt.% of nitrogen, 10 wt.% of methane, 10 wt.% of oxygen, a little spray liquid, and 4 wt.% of moisture, filling nitrogen, methane, oxygen, a little spray liquid, and a part of moisture into gas liquid separator for gas liquid separating; sending nitrogen, methane, and oxygen into fuel gas inlet of gas power plant; filling a little spray liquid and another part of moisture into spray tower; sending into cooling tower (4) through regeneration tower (3); cooling at 20-100 degrees C and filling into first spray pump (5) for recycling; filling carbon dioxide, sulfur dioxide, hydrogen sulfide, another part of spray liquid, and moisture into regeneration tower; obtaining 70-86% of carbon dioxide, 9-24% of sulfur dioxide, 3-5% of hydrogen sulfide, a little spray liquid, and 1-2% of moisture; sending carbon dioxide, sulfur dioxide, and hydrogen sulfide into gas classifier (11) for placing into carbon dioxide storage tank (12), sulfur dioxide storage tank (13), and hydrogen sulfide storage tank (14); filling a little spray liquid and moisture into cooling tower for recycling; filling gas exhausted out from tail gas inlet of gas power plant that comprises 12-20% of carbon dioxide, 79-86% of nitrogen, a little other gas, and 0.5-2.5% of moisture into tail gas spray tower; carrying out reaction with spray liquid sent into tail gas spray tower from second spray pump (9) and cooling tower and comprising 38-58% of monoethanolamine, 38-58% of triethanolamine, and 3.6-4.5% of piperazidine; and obtaining 98 wt.% of nitrogen and 2 wt.% of spray liquid; where nitrogen and a part of spray liquid enters into tail gas and liquid separation tower (8); the nitrogen is sent to nitrogen storage tank (10), and spray liquid is sent to regeneration tower for recycling; and the coal bed gas extracted from well comprises 73-77 wt.% of nitrogen, 8.1-9.9 wt.% of carbon dioxide, 8.1-9.9 wt.% of methane, 5.4-6.6 wt.% of oxygen, and 0.9-1.1 wt.% of sulfur dioxide, hydrogen sulfide, and moisture.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the device used for resource processing for methane electrical generation gas.    Spray tower (1)    Regeneration tower (3)    Cooling tower (4)    First spray pump (5)    Tail gas and liquid separation tower (8)    Second spray pump (9)    Nitrogen storage tank (10)    Gas classifier (11)    Carbon dioxide storage tank (12)    Sulfur dioxide storage tank (13)    Hydrogen sulfide storage tank (14)    Coal bed gas (15)