{
  "node": {
    "id": "term:bioleaching",
    "type": "Term",
    "label": "Bioleaching",
    "properties": {
      "id": "bioleaching",
      "name": "Bioleaching",
      "section": "topic-recycling",
      "definition": "Leaching metals with acids produced by bacteria or fungi instead of added mineral acid. It uses less energy and chemistry but is slow, and remains at laboratory and pilot scale for batteries.",
      "related": [
        "leaching",
        "hydrometallurgy"
      ],
      "url": "https://lemonergy.com/learn/glossary/bioleaching/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:4390",
      "source": "term:bioleaching",
      "target": "topic:topic-recycling",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:4391",
      "source": "term:bioleaching",
      "target": "term:leaching",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4392",
      "source": "term:bioleaching",
      "target": "term:hydrometallurgy",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-recycling",
      "type": "Topic",
      "label": "Recycling and end of life",
      "properties": {
        "id": "topic-recycling",
        "name": "Recycling and end of life",
        "lede": "What happens to a battery after its first life: reuse, and the recycling routes that recover its materials, step by step.",
        "context": "Distinguish recovered material from a qualified product.",
        "example": "High mass recovery alone does not establish battery-grade purity or refining energy demand.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/cell-production/",
        "lesson_label": "Open process context"
      }
    },
    {
      "id": "term:leaching",
      "type": "Term",
      "label": "Leaching",
      "properties": {
        "id": "leaching",
        "name": "Leaching",
        "aka": [
          "acid leaching",
          "reductive leaching"
        ],
        "section": "topic-recycling",
        "definition": "Dissolving the metals in black mass, usually in sulfuric acid with hydrogen peroxide as a reducing agent so cobalt and manganese go into solution as their more soluble lower oxidation state. The leach liquor carries lithium, nickel, cobalt and manganese, plus impurities such as copper and aluminium.",
        "related": [
          "hydrometallurgy",
          "black-mass",
          "solvent-extraction",
          "impurity-removal",
          "bioleaching",
          "deep-eutectic-solvent"
        ],
        "url": "https://lemonergy.com/learn/glossary/leaching/",
        "mentions": [
          "oxidation",
          "cobalt",
          "manganese"
        ]
      }
    },
    {
      "id": "term:hydrometallurgy",
      "type": "Term",
      "label": "Hydrometallurgy",
      "properties": {
        "id": "hydrometallurgy",
        "name": "Hydrometallurgy",
        "section": "topic-recycling",
        "definition": "Recycling by dissolving black mass in acid and separating the metals as salts by precipitation and solvent extraction. It recovers lithium and gives battery-grade products, at the cost of chemical consumption and wastewater.",
        "related": [
          "black-mass",
          "pyrometallurgy",
          "direct-recycling",
          "recycling",
          "leaching",
          "solvent-extraction"
        ],
        "url": "https://lemonergy.com/learn/glossary/hydrometallurgy/",
        "mentions": [
          "precipitation"
        ]
      }
    }
  ]
}