Under the strategic goals of carbon neutrality and carbon peaking, natural gas decarbonization has broad application prospects.

Natural gas decarbonization is the process of removing carbon dioxide from natural gas using physical, chemical or physicochemical methods. In the first-class natural gas quality standards, the carbon dioxide content should not exceed 3%. The acidic gas CO2 is corrosive and will cause problems such as reduced calorific value of natural gas and corrosion of transportation pipelines. The development of natural gas decarbonization process is an important solution to the problem of natural gas transportation reserves and unavailability of natural gas. important measures to address harmful use issues.

Natural gas is mainly transported by pipelines. Since crude natural gas often contains hydrocarbons, water vapor, sulfides, carbon dioxide and other components, the presence of the above components will increase the probability of pipeline/valve blockage, increase the degree of pipe wall corrosion, and thus shorten the service life of the pipeline. In addition, acidic The presence of gas will affect the quality of natural gas and seriously endanger the safety of residents, so natural gas purification is crucial. Natural gas decarbonization is a market segment for natural gas purification. The development of natural gas decarbonization technology will help achieve the strategic goals of carbon neutrality and carbon peaking.

Natural gas is a clean energy source with high combustion calorific value. In nature, natural gas resources mainly include three types: gas layer gas, associated gas and condensate gas reservoir gas. Currently gas layer gas is the natural gas mainly used by countries around the world. In China, Sichuan Gas fields, Changqing gas fields, etc. mainly produce gas layer gas. At present, my country’s natural gas market is in a rapid development trend. According to data from the National Bureau of Statistics, in 2021, my country’s natural gas production will be 205.3 billion cubic meters, a year-on-year increase of 8.2%. Against the background of policy support and accelerated energy conversion, the scale of natural gas production will further expand, and the natural gas decarbonization market has broad development space.

According to the “Natural Gas Decarbonization Industry Development Environment Forecast and Investment Strategy Analysis Research Report during the “14th Five-Year Plan” period released by the Industrial Research Center It shows that natural gas decarbonization is expected to bring huge economic and social benefits. Globally, companies related to the research and application of natural gas decarbonization processes include Shell, KPS, Cool Energy, Exxon Mobil, and Honeywell UOP. Company etc.

For the removal of carbon dioxide from natural gas, a variety of decarbonization process technologies have been developed around the world, among which cryogenic distillation, solvent absorption, membrane separation and adsorption are relatively mature applications. At present, four typical natural gas decarbonization processes have been successfully applied in many cases. However, the existing decarbonization processes still have certain shortcomings and their application scenarios are relatively limited. For example, cryogenic distillation has high energy consumption, high operating costs, and large investments. For the removal of natural gas at high CO2.

Industry analysts said that a variety of natural gas decarbonization processes have been developed around the world, and some of them have been successfully applied. In addition, With the advancement of technology and the development of the new materials industry, more and more high-tech and new materials are applied to natural gas decarbonization. As a clean energy source, natural gas occupies an important position in the energy structure. Driven by policy support and stricter environmental protection, my country’s natural gas market has entered a stage of rapid development, and the development prospects of natural gas decarbonization are broad.