JP2015206077A5 - Recovery method and separation of resources from waste batteries, recovery equipment and recovered materials - Google Patents

Recovery method and separation of resources from waste batteries, recovery equipment and recovered materials Download PDF

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JP2015206077A5
JP2015206077A5 JP2014087271A JP2014087271A JP2015206077A5 JP 2015206077 A5 JP2015206077 A5 JP 2015206077A5 JP 2014087271 A JP2014087271 A JP 2014087271A JP 2014087271 A JP2014087271 A JP 2014087271A JP 2015206077 A5 JP2015206077 A5 JP 2015206077A5
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manganese
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廃乾電池から該廃乾電池に含まれるマンガン成分を回収する方法であって、廃乾電池からマンガン乾電池および／またはアルカリマンガン乾電池を選別する選別工程と、該選別工程で選別した廃乾電池を破砕、篩い分けして粉粒体を得る破砕・篩い分け工程と、酸溶液を用いて前記粉粒体に酸浸出処理を施し、マンガンおよび亜鉛を浸出した浸出液とマンガンを含有する浸出残渣とを得る酸浸出工程と、該酸浸出工程で得られた浸出液と浸出残渣とを固液分離する第１固液分離工程と、該第１固液分離工程で分離された浸出液にオゾンを作用させて、該浸出液中に含まれるマンガンイオンを酸化して沈澱させ、マンガン含有沈澱物と亜鉛イオン含有溶液とを得るオゾン処理工程と、該オゾン処理工程で得られたマンガン含有沈澱物と亜鉛イオン含有溶液とを固液分離する第２固液分離工程とを有し、前記廃乾電池に含まれるマンガン成分を前記浸出残渣と前記マンガン含有沈澱物とし、前記廃乾電池に含まれる亜鉛成分を前記亜鉛イオン含有溶液として分離したのち、分離された前記マンガン含有沈澱物をマンガン成分として回収することを特徴とする廃乾電池からのマンガン回収方法。 A method for recovering a manganese component contained in a waste battery from a waste battery, comprising a sorting step for sorting a manganese battery and / or an alkaline manganese battery from a waste battery, and crushing and sieving the waste battery selected in the sorting step Crushing and sieving step to obtain powder particles, and acid leaching step to obtain an leaching solution containing manganese and zinc and a leaching residue containing manganese by performing acid leaching treatment on the powder particles using an acid solution And a first solid-liquid separation step for solid-liquid separation of the leachate obtained in the acid leaching step and the leach residue, and ozone is allowed to act on the leachate separated in the first solid-liquid separation step. An ozone treatment step of oxidizing and precipitating manganese ions contained in the solution to obtain a manganese-containing precipitate and a zinc ion-containing solution, and the manganese-containing precipitate and zinc ion obtained in the ozone treatment step. A second solid-liquid separation step for solid-liquid separation of the contained solution, the manganese component contained in the waste dry battery as the leaching residue and the manganese-containing precipitate, and the zinc component contained in the waste dry battery as the zinc A method for recovering manganese from a waste dry battery , wherein the manganese-containing precipitate is recovered as a manganese component after being separated as an ion-containing solution. 前記酸浸出工程における酸溶液が、質量％濃度1.4％以上45％以下の希硫酸または質量％濃度1％以上14％以下の希塩酸であることを特徴とする請求項１に記載の廃乾電池からのマンガン回収方法。 The acid solution in the acid leaching step is dilute sulfuric acid having a mass% concentration of 1.4% to 45% or dilute hydrochloric acid having a mass% concentration of 1% to 14%. Manganese recovery method. 前記酸浸出工程における粉粒体と酸溶液との固液比が50g/L以上であることを特徴とする請求項１または２に記載の廃乾電池からのマンガン回収方法。 The method for recovering manganese from a waste dry battery according to claim 1 or 2, wherein the solid-liquid ratio of the powder and the acid solution in the acid leaching step is 50 g / L or more. 分離された前記浸出残渣と前記マンガン含有沈殿物とを混合し、前記浸出残渣と前記マンガン含有沈殿物との混合物とする混合工程を設け、前記混合物を、前記分離された前記マンガン含有沈澱物に代えて、マンガン成分として回収することを特徴とする請求項１ないし３のいずれか１項に記載の廃乾電池からのマンガン回収方法。 Mixing the separated leaching residue and the manganese-containing precipitate to provide a mixture step of the leaching residue and the manganese-containing precipitate, and the mixture into the separated manganese-containing precipitate. 4. The method for recovering manganese from the waste dry battery according to any one of claims 1 to 3 , wherein the manganese component is recovered as a manganese component. 請求項１ないし４のいずれか１項に記載のマンガン回収方法により回収されたマンガン成分回収物。 The manganese component collection | recovery collect | recovered by the manganese collection | recovery method of any one of Claim 1 thru | or 4 . 廃乾電池から該廃乾電池に含まれる亜鉛成分を回収する方法であって、廃乾電池からマンガン乾電池および／またはアルカリマンガン乾電池を選別する選別工程と、該選別工程で選別した廃乾電池を破砕、篩い分けして粉粒体を得る破砕・篩い分け工程と、酸溶液を用いて前記粉粒体に酸浸出処理を施し、マンガンおよび亜鉛を浸出した浸出液とマンガンを含有する浸出残渣とを得る酸浸出工程と、該酸浸出工程で得られた浸出液と浸出残渣とを固液分離する第１固液分離工程と、該第１固液分離工程で分離された浸出液にオゾンを作用させて、該浸出液中に含まれるマンガンイオンを酸化して沈澱させ、マンガン含有沈澱物と亜鉛イオン含有溶液とを得るオゾン処理工程と、該オゾン処理工程で得られたマンガン含有沈澱物と亜鉛イオン含有溶液とを固液分離する第２固液分離工程とを有し、前記廃乾電池に含まれるマンガン成分を前記浸出残渣と前記マンガン含有沈澱物とし、前記廃乾電池に含まれる亜鉛成分を前記亜鉛イオン含有溶液として分離したのち、分離された前記亜鉛イオン含有溶液にアルカリ剤を添加して、前記亜鉛イオン含有溶液中の亜鉛イオンを亜鉛含有沈澱物とするアルカリ沈澱処理工程と、該アルカリ沈澱処理工程で得られた亜鉛含有沈澱物を固液分離する第３固液分離工程とを有し、該第３固液分離工程で分離された亜鉛含有沈澱物を亜鉛成分として回収することを特徴とする廃乾電池からの亜鉛回収方法。 A method for recovering zinc components contained in a waste battery from a waste battery, comprising a sorting step for sorting manganese batteries and / or alkaline manganese batteries from a waste battery, and crushing and sieving the waste batteries selected in the sorting step Crushing and sieving step to obtain powder particles, and acid leaching step to obtain an leaching solution containing manganese and zinc and a leaching residue containing manganese by performing acid leaching treatment on the powder particles using an acid solution And a first solid-liquid separation step for solid-liquid separation of the leachate obtained in the acid leaching step and the leach residue, and ozone is allowed to act on the leachate separated in the first solid-liquid separation step. An ozone treatment step of oxidizing and precipitating manganese ions contained in the solution to obtain a manganese-containing precipitate and a zinc ion-containing solution, and a manganese-containing precipitate and a zinc ion-containing solution obtained in the ozone treatment step. A second solid-liquid separation step for solid-liquid separation of the solution, the manganese component contained in the waste dry battery as the leaching residue and the manganese-containing precipitate, and the zinc component contained in the waste dry battery as the zinc ion after separating the solution containing, by adding an alkali agent to separate the zinc ion-containing solution, an alkali precipitation treatment step of zinc ions of the zinc ion-containing solution with the zinc-containing precipitate, the alkali precipitation process And a third solid-liquid separation step for solid-liquid separation of the zinc-containing precipitate obtained in step 3, and recovering the zinc-containing precipitate separated in the third solid-liquid separation step as a zinc component Zinc recovery method from waste dry batteries. 前記酸浸出工程における酸溶液が、質量％濃度1.4％以上45％以下の希硫酸または質量％濃度1％以上14％以下の希塩酸であることを特徴とする請求項６に記載の廃乾電池からの亜鉛回収方法。The acid solution in the acid leaching step is dilute sulfuric acid having a mass% concentration of 1.4% to 45% or dilute hydrochloric acid having a mass% concentration of 1% to 14%. Zinc recovery method. 前記酸浸出工程における粉粒体と酸溶液との固液比が50g/L以上であることを特徴とする請求項６または７に記載の廃乾電池からの亜鉛回収方法。 The method for recovering zinc from a waste dry battery according to claim 6 or 7, wherein the solid-liquid ratio of the granular material and the acid solution in the acid leaching step is 50 g / L or more . 請求項６ないし８のいずれか１項に記載の亜鉛回収方法により回収された亜鉛成分回収物。 A zinc component recovery product recovered by the zinc recovery method according to any one of claims 6 to 8 . 廃乾電池から該廃乾電池に含まれるマンガン成分と亜鉛成分とを分離する設備であって、廃乾電池からマンガン乾電池および／またはアルカリマンガン乾電池を選別する選別装置と、該選別装置で選別された廃乾電池を装入して破砕処理を施し、破砕処理物を得る破砕装置と、該破砕装置で得られた破砕処理物に篩い分け処理を施して粉粒体を得る篩い分け装置と、酸溶液を用いて前記粉粒体に酸浸出処理を施し、マンガンイオンおよび亜鉛イオンを含有する浸出液とマンガンを含有する浸出残渣とを得る酸浸出槽と、該酸浸出槽で得られた浸出液と浸出残渣とを固液分離する第１固液分離装置と、該第１固液分離装置で分離された浸出液にオゾンを作用させて、該浸出液中に含まれるマンガンイオンを酸化して沈澱させ、マンガン含有沈澱物と亜鉛イオン含有溶液とを得るオゾン処理装置と、該オゾン処理装置で得られたマンガン含有沈澱物と亜鉛イオン含有溶液とを固液分離する第２固液分離装置とを備えることを特徴とする廃乾電池からのマンガンおよび亜鉛分離設備。   A facility for separating a manganese component and a zinc component contained in a waste battery from a waste battery, a sorting device for sorting a manganese battery and / or an alkaline manganese battery from a waste battery, and a waste battery sorted by the sorting device Using a crushing device to obtain a crushed product, a sieving device for obtaining a granule by sieving the crushed product obtained by the crushing device, and an acid solution An acid leaching tank obtained by subjecting the granular material to acid leaching treatment to obtain a leaching solution containing manganese ions and zinc ions and a leaching residue containing manganese, and a leaching solution and a leaching residue obtained in the acid leaching bath. A first solid-liquid separation device for solid-liquid separation, and ozone is allowed to act on the leachate separated by the first solid-liquid separation device to oxidize and precipitate manganese ions contained in the leachate. And an ozone treatment device for obtaining a zinc ion-containing solution, and a second solid-liquid separation device for solid-liquid separation of the manganese-containing precipitate obtained from the ozone treatment device and the zinc ion-containing solution. Manganese and zinc separation equipment from waste dry batteries. 廃乾電池から該廃乾電池に含まれるマンガン成分を回収する設備であって、請求項１０に記載の廃乾電池からのマンガンおよび亜鉛分離設備を備えることを特徴とする廃乾電池からのマンガン回収設備。 11. A facility for recovering manganese components contained in a waste dry battery from the waste dry battery, comprising the facility for separating manganese and zinc from the waste dry battery according to claim 10 . 廃乾電池から該廃乾電池に含まれる亜鉛成分を回収する設備であって、請求項１０に記載の廃乾電池からのマンガンおよび亜鉛分離設備と、該マンガンおよび亜鉛分離設備の第２固液分離装置で分離された亜鉛イオン含有溶液を貯液し、該亜鉛イオン含有溶液にアルカリ沈澱処理を施して亜鉛含有沈澱物を得るアルカリ沈澱処理槽と、該アルカリ沈澱処理槽で得られた亜鉛含有沈澱物を固液分離する第３固液分離装置とを備えることを特徴とする廃乾電池からの亜鉛回収設備。 An apparatus for recovering zinc components contained in the waste dry battery from the waste dry battery, wherein the manganese and zinc separation equipment from the waste dry battery according to claim 10 and the second solid-liquid separator of the manganese and zinc separation equipment The separated zinc ion-containing solution is stored, and the zinc ion-containing solution is subjected to an alkaline precipitation treatment to obtain a zinc-containing precipitate, and the zinc-containing precipitate obtained in the alkaline precipitation treatment vessel is obtained. A facility for recovering zinc from waste dry batteries, comprising a third solid-liquid separator for solid-liquid separation.
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CN109482624A (en) * 2018-12-29 2019-03-19 黄伟彬 Electrolytic manganese residues resource utilization dedicated system
CN110306060B (en) * 2019-08-02 2021-10-26 四川正祥环保技术有限公司 Method for comprehensively recovering valuable metals in lead-and zinc-containing waste residues by pyrogenic process-wet process parallel connection process
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JP7036229B2 (en) 2019-10-18 2022-03-15 Ｊｆｅスチール株式会社 Manganese recovery method and recovery equipment from waste batteries
JP7004091B2 (en) 2019-10-18 2022-02-04 Ｊｆｅスチール株式会社 Manganese recovery method and recovery equipment from waste batteries
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CN116670309A (en) 2021-03-04 2023-08-29 杰富意钢铁株式会社 Method and recovery apparatus for recovering manganese from waste dry batteries
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JP7196974B1 (en) 2021-09-15 2022-12-27 Ｊｆｅスチール株式会社 Method and equipment for recovering manganese contained in waste dry batteries

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