Rest-of-World (Ecoinvent)

France

United States of America (the)

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

Global

Silicon - electronics grade (market for)

All other miscellaneous chemical product and preparation manufacturing

United Arab Emirates (the)

Afghanistan

Antigua and Barbuda

Albania

Angola

Argentina

Austria

Australia

Barbados

Bangladesh

Belgium

Burkina Faso

Bulgaria

Bahrain

Burundi

Benin

Bolivia, Plurinational State of

Brazil

Bahamas

Bhutan

Belize

Canada

Alberta, CA

British Columbia, CA

Manitoba, CA

New Brunswick, CA

Newfoundland and Labrador, CA

Nova Scotia, CA

Northwest Territories, CA

Nunavut, CA

Ontario, CA

Prince Edward Island, CA

Quebec, CA

Saskatchewan, CA

Yukon, CA

Central African Republic

Congo

Switzerland

Côte d'Ivoire

Chile

Cameroon

China

Colombia

Costa Rica

Cyprus

Czechia

Germany

Denmark

Dominica

Dominican Republic

Algeria

Ecuador

Estonia

Egypt

Spain

Ethiopia

Finland

Fiji

Gabon

United Kingdom

Grenada

Gambia

Guinea

Equatorial Guinea

Greece

Guatemala

Guinea-Bissau

Hong Kong

Honduras

Croatia

Haiti

Hungary

Indonesia

Ireland

Israel

India

Iraq

Iran, Islamic Republic of

Iceland

Italy

Jamaica

Jordan

Japan

Kenya

Cambodia

Kiribati

Saint Kitts and Nevis

Korea, Republic of

Kuwait

Kazakhstan

Lao People's Democratic Republic

Lebanon

Saint Lucia

Sri Lanka

Lesotho

Lithuania

Luxembourg

Latvia

Morocco

Petrochemical manufacturing

The activity generating the emissions is electrolysis of magnesium chloride, from zirconium sponge production. The reference product is chlorine, for reuse in zirconium and hafnium tetrachloride production. 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 reference product amount is 1. The cut-off classification is allocatable product. The activity type is ordinary ordinary transforming activity. Please refer to the ecoinvent documentation here for full details: https://ecoquery.ecoinvent.org/3.11/cutoff/dataset/25904/documentation.

The activity generating the emissions is electrolysis of magnesium chloride, from zirconium sponge production. The reference product is chlorine, for reuse in zirconium and hafnium tetrachloride production. 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 reference product amount is 1. The cut-off classification is allocatable product. The activity type is ordinary ordinary transforming activity. Please refer to the ecoinvent documentation here for full details: https://ecoquery.ecoinvent.org/3.11/cutoff/dataset/25620/documentation.

The activity generating the emissions is electrolysis of magnesium chloride, from zirconium sponge production. The reference product is chlorine, for reuse in zirconium and hafnium tetrachloride production. 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 reference product amount is 1. The cut-off classification is allocatable product. The activity type is ordinary ordinary transforming activity. Please refer to the ecoinvent documentation here for full details: https://ecoquery.ecoinvent.org/3.11/cutoff/dataset/26499/documentation.

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

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

Activity summary

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Related factors

Chemical Products Emission Factors

Silicon - electronics grade (market for)

All other miscellaneous chemical product and preparation manufacturing

Petrochemical manufacturing