France

Rest-of-World

United States of America (the)

Chlorine for reuse in zirconium and hafnium tetrachloride production (electrolysis of magnesium chloride from hafnium sponge production)

Belarus

Canada

Chile

China

Algeria

Egypt

European Union

United Kingdom

Georgia

Indonesia

Israel

Jordan

Morocco

Norway

Serbia

Russian Federation (the)

Saudi Arabia

Turkmenistan

Tunisia

Türkiye

Trinidad and Tobago

Ukraine

Ammonia

Ammonium nitrate

Ammonium nitrate - CaCO3 or inorganic non-fertilisers

Emissions generated by the activity within the product supply chain as described in ecoinvent v3.10. This product represents chlorine produced by the electrolysis of magnesium chloride according to the following reaction: MgCl2 -> Mg + Cl2. The magnesium chloride is obtained during the production of zirconium sponge using the Kroll process in the reduction and distillation step described by the following reaction: ZrCl4 + 2Mg -> Zr + 2MgCl2. Through the electrolysis of magnesium chloride part of the Mg and Cl is recovered and then reused in the Kroll process. The chlorine is used as input to the carbochlorination and extractive distillation process which produces zirconium and hafnium tetrachloride according to the following reaction: Zr(Hf)SiO4 + 4C + 4Cl2 = Zr(Hf)Cl4 + SiCl4 + 4CO. This product should not be used in any other context. The cut-off classification is allocatable product. The activity type is ordinary transforming activity. The reference product amount is 1.

Emission intensity of supply chain (purchase of service/standard good/capital good) in US dollars spend on: chemicals and chemical products. Factors retrieved from the Quantis+GHG Protocol Scope 3 Calculator for the year 2016 and apply for years beyond 2016. The same emission factor applies to different types of investments in joint ventures/subsidiaries/associate companies that were not captured in Scope 1 emissions.

Chemicals and chemical products

Emission intensity of supply chain (with margins i.e. cradle to shelf) in US dollars spend on: chemicals (except basic chemicals/agrichemicals/polymers/paints/pharmaceuticals/soaps/cleaning compounds). This factor is representative of the described commodity (equivalent to a goods or services category) and was obtained from the USEEIO model. Refer to the source for the source-specific data quality assessment.

Chemicals (except basic chemicals/agrichemicals/polymers/paints/pharmaceuticals/soaps/cleaning compounds)

Emission intensity of supply chain (with margins i.e. cradle to shelf) in US dollars spend on: chemicals (except basic chemicals/agrichemicals/polymers/paints/pharmaceuticals/soaps/cleaning compounds). This factor is representative of the described commodity (equivalent to a goods or services category) and was obtained from the USEEIO model v1.0.1. Refer to the source for the source-specific data quality assessment. Retrieved from Supply Chain Factors Dataset v1.1.1

Emission intensity of supply chain in EUR spend on: chemicals (not specified in other EXIOBASE emission factors). Retrieved from the EXIOBASE v3.8.2 model outputs for products. These factors were calculated based on 2019 data. CO2 equivalent factors incorporate emissions from land use; constituent gases have not been included as they do not. The LCA boundaries of these factors are not defined by the source. These factors include effects of international trade.

Chemicals (not elsewhere specified)

Property	Value
Name	Chlorine for reuse in zirconium and hafnium tetrachloride production (electrolysis of magnesium chloride from hafnium sponge production)
Sector	Materials and Manufacturing
Category	Chemical Products
Source	ecoinvent
Region	France (FR), Rest-of-World (RoW), United States of America (the) (US)
Unit Type	Weight
Year	2020
LCA Activity	Refer to source

Chlorine for reuse in zirconium and hafnium tetrachloride production (electrolysis of magnesium chloride from hafnium sponge production)

Activity summary

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Related factors

Chemical Products Emission Factors

Ammonia

Ammonium nitrate

Ammonium nitrate - CaCO3 or inorganic non-fertilisers