Cradle to Gate
Identity ID
67473ea6-afb3-48d7-a6bb-b773e3de7234
Materials
Associated ID
bcdf9c78-653e-4190-be30-9c8826a44796
Included activities starts
Included activities ends
Description
The process includes treating natural gas by desulfurization, dehydration, and other procedures, aiming to remove impurities such as CO2, H2S, H2O, Hg, and aromatic hydrocarbons from the raw natural gas to ensure safe usage of natural gas and environmental protection. It involves the use of desulfurization and dehydration agents, as well as the handling of spent absorbents. The process flow is as follows: sulfur-containing natural gas enters the natural gas absorption tower, where it contacts a circulating catalyst solution from the oxidation tower; hydrogen sulfide contained in the natural gas is oxidized by iron ions into elemental sulfur and water, followed by gas-liquid separation. The natural gas exiting the desulfurization unit passes through separators, feed gas filter separators, and a TEG absorption tower to remove the majority of saturated water from the natural gas. This does not include related production facilities and infrastructure.
Activity Description
The product's manufacturing activity boundaries involve raw material desulfurization, dehydration, etc.
Process Description
Freshly extracted natural gas contains acidic gases such as H2S and CO2. Among these, H2S is highly chemically reactive, posing health risks and forming SOx during combustion, which can lead to acid rain and environmental pollution when released into the atmosphere. Therefore, desulfurization treatment of natural gas is required.
Time period
2019
2026
Geography
China
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology