RESOURCE CIRCULATION METHOD AND RESOURCE CIRCULATION MANAGEMENT METHOD

To provide a resource circulation method which can effectively activate a large amount of harvest residues generated in farm fields as resources.SOLUTION: A resource circulation method includes a harvest residue collection step of collecting harvest residues in farm fields, an anaerobic treatment st...

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Bibliographische Detailangaben
Hauptverfasser: HASEGAWA TETSUHIRO, MIZUTANI FUTOSHI, TANAKA TSUNEHISA
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a resource circulation method which can effectively activate a large amount of harvest residues generated in farm fields as resources.SOLUTION: A resource circulation method includes a harvest residue collection step of collecting harvest residues in farm fields, an anaerobic treatment step of subjecting the harvest residues collected in the harvest residue collection step to methane fermentation, and a return step of returning the harvest residues generated in the anaerobic treatment step to the farm fields, subjects the harvest residues collected in the farm fields to methane fermentation, collects and effectively activates the generated methane gas as energy, and returns fermentation residues as composts and fertilizer to the farm fields.SELECTED DRAWING: Figure 2 【課題】圃場で発生する大量の収穫残渣を、資源として効率的に活用できる資源循環方法を提供する。【解決手段】資源循環方法は、圃場で生じた収穫残渣を収集する収穫残渣収集工程と、前記収穫残渣収集工程で収集した前記収穫残渣をメタン発酵させる嫌気性処理工程と、前記嫌気性処理工程で生じた発酵残渣を、圃場に還元する還元工程と、を含み、圃場で収集された収穫残渣をメタン発酵させて、発生したメタンガスをエネルギーとして回収して有効活用するとともに、発酵残渣を堆肥や肥料として圃場に還元する。【選択図】図2