The road to green zinc…decarbonisation of zinc production

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The production of zinc from ore to metal emits around 40 million tonnes of CO2 every year. Emissions from zinc mines and smelters are much lower in comparison to other metals, but to move towards low-carbon zinc production, producers need to take action now to decarbonise production and meet climate targets. Emissions are driven by the source of the power and fuel used at the respective mine or smelter. Because of the differences in energy requirements, zinc smelting produces double the emissions of zinc mining. To decarbonise zinc production, both mining and smelting companies need access to renewable power sources. Investment in renewable power schemes whether company-owned or in third-party schemes, will give direct access to renewable energy and is the optimal route. Alternative initiatives are to move to purchased power contracts using renewable energy whilst still connected to the grid.

Table of contents

  • Executive summary
  • Emissions benchmarking of zinc production
  • Tank house power - the whole story?
  • Miners need to reduce fuel consumption
  • As the drive for climate change gathers pace will the zinc industry be able to green up?
  • The road to green zinc is long but gathering pace

Tables and charts

This report includes 9 images and tables including:

  • Wood Mackenzie carbon emissions methodology
  • Total emissions for zinc smelters by country
  • Total emissions for zinc mines by country
  • Global emissions comparison by zinc smelters and zinc mines
  • Average smelting and refining emissions intensity by commodity in 2021
  • Scope 1 emissions intensity for electrolytic zinc smelters by country
  • Average emissions intensity for zinc smelters by country
  • Average emissions intensity for zinc mines by country
  • Carbon reducing initiatives being used or developed by zinc mining and smelting companies

What's included

This report contains:

  • Document

    The road to green zinc…decarbonisation of zinc production

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