{
  "node": {
    "id": "term:bleed-stream",
    "type": "Term",
    "label": "Bleed stream",
    "properties": {
      "id": "bleed-stream",
      "name": "Bleed stream",
      "section": "topic-recycling",
      "definition": "Part of a recirculating process solution removed on purpose so that sodium, sulfate and trace impurities do not build up. Any valuable metal still dissolved in it is lost, so the bleed is a balance between purity and recovery.",
      "related": [
        "raffinate",
        "lithium-recovery",
        "impurity-removal"
      ],
      "url": "https://lemonergy.com/learn/glossary/bleed-stream/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:belongsTo/term:bleed-stream/topic:topic-recycling",
      "source": "term:bleed-stream",
      "target": "topic:topic-recycling",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:relatedTo/term:bleed-stream/term:raffinate",
      "source": "term:bleed-stream",
      "target": "term:raffinate",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:bleed-stream/term:lithium-recovery",
      "source": "term:bleed-stream",
      "target": "term:lithium-recovery",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:bleed-stream/term:impurity-removal",
      "source": "term:bleed-stream",
      "target": "term:impurity-removal",
      "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:raffinate",
      "type": "Term",
      "label": "Raffinate",
      "properties": {
        "id": "raffinate",
        "name": "Raffinate",
        "section": "topic-recycling",
        "definition": "The aqueous solution left after solvent extraction has taken out the target metals. In battery recycling it carries the lithium, which is recovered from it last by evaporation and precipitation.",
        "related": [
          "solvent-extraction",
          "mixer-settler",
          "lithium-recovery",
          "bleed-stream"
        ],
        "url": "https://lemonergy.com/learn/glossary/raffinate/",
        "mentions": [
          "recycling",
          "precipitation"
        ]
      }
    },
    {
      "id": "term:lithium-recovery",
      "type": "Term",
      "label": "Lithium recovery",
      "properties": {
        "id": "lithium-recovery",
        "name": "Lithium recovery",
        "aka": [
          "early lithium extraction",
          "lithium-first recovery"
        ],
        "section": "topic-recycling",
        "definition": "Getting the lithium back, which smelting loses to slag and older hydrometallurgical flowsheets left until last at low yield. Newer routes take it out first — by roasting or carbonating black mass and washing out a lithium salt — before the other metals are leached.",
        "related": [
          "lithium-carbonate",
          "precipitation",
          "collection-target",
          "pyrometallurgy",
          "raffinate"
        ],
        "url": "https://lemonergy.com/learn/glossary/lithium-recovery/",
        "mentions": [
          "lithium-salt",
          "black-mass",
          "smelting",
          "slag"
        ]
      }
    },
    {
      "id": "term:impurity-removal",
      "type": "Term",
      "label": "Impurity removal",
      "properties": {
        "id": "impurity-removal",
        "name": "Impurity removal",
        "aka": [
          "purification",
          "iron and aluminium removal"
        ],
        "section": "topic-recycling",
        "definition": "Removing copper, iron and aluminium from the leach liquor before the valuable metals are separated, typically by cementation and by raising the pH until their hydroxides precipitate. Battery-grade products need impurities in the parts per million.",
        "related": [
          "leaching",
          "solvent-extraction",
          "precipitation",
          "cementation",
          "filter-press"
        ],
        "url": "https://lemonergy.com/learn/glossary/impurity-removal/",
        "mentions": [
          "pregnant-leach-solution"
        ]
      }
    }
  ]
}