The invention relates to a method for upgrading the black mass of spent alkaline and salt batteries mainly comprising manganese and zinc, and also potassium hydroxide and carbon, which is characterized in that it comprises the following steps: - incorporating the black mass in coking coal or in a mixture of coking coals, the amount of black mass incorporated being less than 10% by weight of the mixture, - pyrolytic coking of the mixture obtained in the previous step, and - obtaining a composite coke comprising manganese. The invention also relates to a composite coke comprising manganese obtained by such a method. . Lastly, the invention relates to the use of this composite coke in a metal melting furnace such as a blast furnace or a cupola furnace.
C10B 55/00 - Cokéfaction des huiles minérales, bitumes, goudrons ou analogues, ou de leurs mélanges, avec des matières carbonées solides
C22B 1/00 - Traitement préliminaire de minerais ou de débris ou déchets métalliques
C22B 7/00 - Mise en œuvre de matériaux autres que des minerais, p. ex. des rognures, pour produire des métaux non ferreux ou leurs composés
H01M 6/52 - Récupération des parties utiles des éléments ou batteries usagés
C10B 57/06 - Autres procédés de carbonisation ou de cokéfactionCaractéristiques générales des procédés de distillation destructive utilisant des charges de composition spéciale contenant des additifs
C10K 1/06 - Purification des gaz combustibles contenant de l'oxyde de carbone par refroidissement en vue de condenser les matières non gazeuses combiné avec une pulvérisation d'eau
2.
METHOD FOR RECOVERING THE BLACK MASS OF ALKALINE AND SALINE BATTERIES, COKE PRODUCED ACCORDING TO SAID METHOD, AND METHOD FOR USING THE COKE
The invention relates to a method for recovering the black mass of used alkaline and saline batteries. The method is characterized in that black mass is incorporated into coke produced by pyrolysis in a coking oven. The invention can be used in cupola furnaces or blast furnaces during the manufacture of cast iron.
A method for recycling used cells such as saline cells, alkaline cells, button cells and used rechargeable batteries, includes the step of introducing the cells and/or rechargeable batteries as feedstock into a metal melting furnace, at the charging door thereof. The cells and/or rechargeable batteries are subjected to a compression operation in order to remove the electrolytes contained in the cells and/or rechargeable batteries, prior to introducing the cells and/or rechargeable batteries into the metal melting furnace.
A method for recycling used cells such as saline cells, alkaline cells, button cells and used rechargeable batteries, includes the step of introducing the cells and/or rechargeable batteries as feedstock into a metal melting furnace, at the charging door thereof. The cells and/or rechargeable batteries are subjected to a compression operation in order to remove the electrolytes contained in the cells and/or rechargeable batteries, prior to introducing the cells and/or rechargeable batteries into the metal melting furnace.
The method can be used for recycling used cells and rechargeable batteries.
The invention relates to a method for recycling used cells such as saline cells, alkaline cells, button cells and used rechargeable batteries, by introducing the cells and/or rechargeable batteries as feedstock into a metal melting furnace, at the charging door thereof. The invention is characterized in that the cells and/or rechargeable batteries are subjected to a compression operation in order to remove the electrolytes contained in the cells and/or rechargeable batteries, prior to introducing the cells and/or rechargeable batteries into the metal melting furnace. The invention can be used for recycling used cells and rechargeable batteries.
The invention relates to a method for recycling used cells such as saline cells, alkaline cells, button cells and used rechargeable batteries, by introducing the cells and/or rechargeable batteries as feedstock into a metal melting furnace, at the charging door thereof. The invention is characterized in that the cells and/or rechargeable batteries are subjected to a compression operation in order to remove the electrolytes contained in the cells and/or rechargeable batteries, prior to introducing the cells and/or rechargeable batteries into the metal melting furnace. The invention can be used for recycling used cells and rechargeable batteries.
A method for upgrading used or rejected electric battery cells, which include upgradable compounds, such as iron, zinc, manganese, copper, and fixed and volatile carbon, and heavy metals and dangerous compounds. The used or rejected battery cells are introduced as a load into a furnace for melting metal, such as a cupola furnace, a free arc furnace, or an induction furnace. A device for purifying gases produced by the furnace and for capturing and removing noxious elements, such as mercury, chlorides, and fluorides, and heavy molecules such as dioxins, furans, and aromatic substances, is provided in a discharge route of the hot gases, downstream from the melting furnace.
C21C 7/00 - Traitement à l'état liquide des alliages ferreux, p. ex. des aciers, non couverts par les groupes
C21C 1/08 - Fabrication de la fonte de seconde fusion
B09B 5/00 - Opérations non couvertes par une seule autre sous-classe ou par un seul autre groupe de la présente sous-classe
F27D 17/00 - Dispositions pour l'utilisation de la chaleur perdueDispositions pour l'utilisation ou pour l'élimination des gaz résiduaires
B09B 3/40 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant un traitement thermique, p. ex. évaporation
B01D 53/04 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes
7.
METHOD FOR RECYCLING USED OR DISCARDED PORTABLE ELECTRICAL BATTERIES
The invention relates to a method for recycling used or discarded portable electrical batteries which comprise recyclable components such as iron, zinc, manganese, copper and fixed and volatile carbon, as well as heavy metals and hazardous compounds. The method is characterized in that the used or discarded batteries are introduced as a load into a metal-melting, smelting type furnace (1,40,44), such as a cupola furnace, a free electric arc furnace or induction furnace, and for which a gas purification device (16,23) is provided in the hot gas evacuation channel after the melting furnace to capture and eliminate harmful elements such as mercury, chlorides or fluorides and heavy molecules such as dioxins, furans and aromatics. The invention can be used for recycling used and rejected batteries.
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