Oxygen can be found in a variety of natural gas surges, which are referred to as contaminated gas streams. These include both traditional pipeline and vacuum systems. There are landfills, systems for recovering vacuum oil, gob gas (coal mine), and all others in vacuum systems that can contain a percentage of oxygen, whereas traditional pipelines can only contain 100 ppm of oxygen.
The Sources Of Oxygen Pollution
The gas produced in oilfields and traditional natural gas contains no oxygen. It usually becomes involved as a result of air ingress during the processing or gathering. The following are some of the likely sulfur removal from natural gas from air ingress:
- Improperly regulated vapor recovery unit tank (VRUs)
- Tank blanketing structure failure or absence
- Air ingress via compressor innards bringing suction from a low-pressure environment.
- Fitting and pipe leaks, as well as seeping wells, in the vacuum gathering system.
Demand for some non-conventional natural gas resources has increased as global energy demand has increased. Coal Mine Methane, or CMM, is one such traditional basis. It is created through a geologic process known as coalification, in which coal and methane are built together.
Why Is Removal Of Oxygen Is Required
The presence of oxygen in natural gas causes several issues. It can degrade process chemicals such as amine, increase pipeline corrosion, and do a variety of other things. It is not only dangerous, but it can also corrode the entire machinery, increasing the cost of replacement and machinery. Furthermore, it reacts with hydrogen sulfide to form sulfur. It also oxidized glycol solvents, which are used in drying plants and in the removal of acid gasses.
The presence of oxygen in gas processing hurts glycol and sieve mole dehydration, as well as units treating amine. The glycol degradation systems of dehydration are catalyzed by oxygen, cleaner formulation and the products may contain acids, which increases corrosion, as well as polymers and aldehydes.
In amine treatment systems, oxygen reacts with alkanolamines to form salts that are stable in heat and high temperatures, reducing the amount of amine available for acid gas removal and increasing corrosion rates. Due to the presence of oxygen, the replacement expenditure of chemicals that treat amine increases, posing a potential threat to the environment at spent amine dumping. As a result, it is critical to remove oxygen from natural gas to avoid probable damages.
The removal of oxygen from natural gas is not an easy task; it necessitates a significant amount of effort. It is due not only to a lack of technological development and availability but also to a perceived lack of market opportunities aqueous surfactant. The oxygen removal project is expensive and has few options. The oxygen removal industry must become more trained and knowledgeable so that it does not appear frantic in the future. The removal of oxygen from natural gas must be taken seriously due to not only physical harm but also environmental problems. To save our environment is a serious duty of all of us, thus should be taken care of!
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