LCA dataset : Dimethyl ether, after hydrogenation of carbon dioxide to methanol

Dimethyl ether, after hydrogenation of carbon dioxide to methanol

Dimethyl ether

Unit：kgActivity Type：Consumption Mix

GWP100

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System boundary

Cradle to Consumer

Identity ID

f53f268e-9aa1-4e09-88a8-804646308d07

Dataset category

Materials

Associated ID

d6f3149c-0924-42e2-8582-49cf320f3262

Included activities starts

The activity starts with the production and import of "Dimethyl ether" in this region.

Included activities ends

The activity ends with providing the "Dimethyl ether" to the consumers of this product. Transportation is included; however, product losses during transport are negligible and therefore not included.

Description

This is a market dataset representing the consumption market in the region. It includes transportation of the product from the factory gate to consumption, with transport services calculated according to the regional transportation conditions for the product.

Activity Description

The production process of this dimethyl ether includes hydrogenation of CO2 to methanol, dehydration of methanol to dimethyl ether, and the reverse water-gas shift reaction between CO2 and hydrogen.

Process Description

As an emerging fundamental organic chemical raw material, dimethyl ether has excellent compressibility, condensability, and vaporization characteristics, enabling it to have many unique applications in pharmaceuticals, fuels, pesticides, and other chemical industries. For instance, high-purity dimethyl ether can replace chlorofluorocarbons (CFCs) as aerosol propellants and refrigerants, thereby reducing atmospheric pollution and ozone layer depletion. Due to its favorable solubility in both water and oil, its application range is significantly superior to petroleum-based chemicals such as propane and butane. When used as a new feedstock for formaldehyde production instead of methanol, it can notably reduce production costs and exhibits particular advantages in large-scale formaldehyde plants. As a civil fuel gas, its performance indicators such as storage and transportation safety, combustion safety, calorific value of premixed gas, and theoretical combustion temperature are all superior to those of liquefied petroleum gas, and it can be used as a peak-shaving gas for urban pipeline coal gas or as a blending component for liquefied gas. It is also an ideal fuel for diesel engines and, compared to methanol-fueled vehicles, does not have cold-start issues.

Time period

2018

2026

Geography

China

Macroeconomic value

Business-as-Usual

Data validation

Yes

Technology

Current Technology