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A platform for research: civil engineering, architecture and urbanism
METHOD FOR DETERMINING MAXIMUM PARTICLE SIZE OF EXCAVATION MUCK
PROBLEM TO BE SOLVED: To provide a method for determining a maximum particle size of excavation muck to perform treatment of insolubilization efficiently and sufficiently when harmful substances (heavy metals and the like) contained in excavation muck are insolubilized.SOLUTION: A method for determining a maximum particle size of a material to be treated, applied when an insolubilization material is added to the material to be treated comprising excavation muck or crushed excavation muck to insolubilize harmful substances contained in the material to be treated, so as to enable insolubilization satisfying a reference elution amount of the harmful substance, comprises: a step for crushing the excavation muck while adjusting sizes of particles of the excavation muck to obtain particle-size-adjusted muck having a particular particle distribution; a step for determining a relationship between addition amounts of the insolubilization material and elution amounts of the harmful substances using the particle-size-adjusted muck, and determining, based on the relationship, a reference insolubilization material amount that is an added amount of the insolubilization material corresponding to the reference elution amount of the harmful substances; and a step for determining the maximum particle size of the material to be treated that causes an amount of the insolubilization substance attached to the particles constituting the substance to be treated, to exceed the reference insolubilization material amount.SELECTED DRAWING: None
【課題】掘削ずりに含まれている有害物質（重金属類等）を不溶化するに際して、不溶化の処理を効率的にかつ十分に行なうための、掘削ずりの最大粒度の決定方法を提供する。【解決手段】掘削ずりまたは掘削ずり破砕物からなる処理対象物に、不溶化材を添加して、処理対象物に含まれている有害物質を不溶化する際に、有害物質の溶出量基準を満たす不溶化が可能であるように、処理対象物の最大粒度を決定するための方法であって、掘削ずりを粉砕して、特定の粒度分布を有するように粒度が調整された粒度調整ずりを得る工程と、該粒度調整ずりを用いて、不溶化材の添加量と、有害物質の溶出量の関係を求め、該関係に基いて、有害物質の溶出量基準の値に対応する不溶化材の添加量である不溶化材基準量を定める工程と、該不溶化材基準量以上の量の不溶化材が、処理対象物を構成する粒体に付着するように、処理対象物の最大粒度を決定する工程、を含む方法。【選択図】なし
METHOD FOR DETERMINING MAXIMUM PARTICLE SIZE OF EXCAVATION MUCK
PROBLEM TO BE SOLVED: To provide a method for determining a maximum particle size of excavation muck to perform treatment of insolubilization efficiently and sufficiently when harmful substances (heavy metals and the like) contained in excavation muck are insolubilized.SOLUTION: A method for determining a maximum particle size of a material to be treated, applied when an insolubilization material is added to the material to be treated comprising excavation muck or crushed excavation muck to insolubilize harmful substances contained in the material to be treated, so as to enable insolubilization satisfying a reference elution amount of the harmful substance, comprises: a step for crushing the excavation muck while adjusting sizes of particles of the excavation muck to obtain particle-size-adjusted muck having a particular particle distribution; a step for determining a relationship between addition amounts of the insolubilization material and elution amounts of the harmful substances using the particle-size-adjusted muck, and determining, based on the relationship, a reference insolubilization material amount that is an added amount of the insolubilization material corresponding to the reference elution amount of the harmful substances; and a step for determining the maximum particle size of the material to be treated that causes an amount of the insolubilization substance attached to the particles constituting the substance to be treated, to exceed the reference insolubilization material amount.SELECTED DRAWING: None
【課題】掘削ずりに含まれている有害物質（重金属類等）を不溶化するに際して、不溶化の処理を効率的にかつ十分に行なうための、掘削ずりの最大粒度の決定方法を提供する。【解決手段】掘削ずりまたは掘削ずり破砕物からなる処理対象物に、不溶化材を添加して、処理対象物に含まれている有害物質を不溶化する際に、有害物質の溶出量基準を満たす不溶化が可能であるように、処理対象物の最大粒度を決定するための方法であって、掘削ずりを粉砕して、特定の粒度分布を有するように粒度が調整された粒度調整ずりを得る工程と、該粒度調整ずりを用いて、不溶化材の添加量と、有害物質の溶出量の関係を求め、該関係に基いて、有害物質の溶出量基準の値に対応する不溶化材の添加量である不溶化材基準量を定める工程と、該不溶化材基準量以上の量の不溶化材が、処理対象物を構成する粒体に付着するように、処理対象物の最大粒度を決定する工程、を含む方法。【選択図】なし
METHOD FOR DETERMINING MAXIMUM PARTICLE SIZE OF EXCAVATION MUCK
掘削ずりの最大粒度の決定方法
AMAMOTO YUSAKU (author) / MATSUYAMA YUSUKE (author) / SUGIYAMA AKINORI (author)
2017-12-28
Patent
Electronic Resource
Japanese
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