What is high-pressure methanol synthesis? How is it being used?

In my humble opinion, it might be the system pressure under the pressure of compressing six stages. It is used as a substitute for copper washing. In front of the synthesis section. Commonly known as methanation. Or dimethyl.

High-pressure methanol synthesis refers to the methanol synthesis reaction carried out at pressures of 25–32 MPa. The earliest methanol synthesis technology developed for industrial use involved the production of methanol at a pressure of 30–32 MPa, using zinc-chromium catalysts; the methanol content in the gas stream exiting the reactor was around 3%, with the reaction temperature ranging from 360 to 420 degrees Celsius. Our country has developed a technology for synthesizing methanol using copper-based catalysts at a pressure of 25–27 MPa; the methanol content in the outlet gas is around 4%, with a reaction temperature of 230–290 degrees Celsius. . . .

High-pressure methanol synthesis refers to the methanol synthesis reaction carried out at pressures of 25–32 MPa. The earliest methanol synthesis technology developed for industrial use involved the production of methanol at a pressure of 30–32 MPa, using zinc-chromium catalysts; the methanol content in the gas stream exiting the reactor was around 3%, with the reaction temperature ranging from 360 to 420 degrees Celsius. Our country has developed a technology for synthesizing methanol using copper-based catalysts at a pressure of 25–27 MPa; the methanol content in the outlet gas is around 4%, with a reaction temperature of 230–290 degrees Celsius. . . .

The high-pressure method has a history of over 70 years; it was the original method for producing methanol, using zinc-chromium catalysts at reaction temperatures of 360–400°C and pressures of 19.6–29.4 MPa. With the development of desulfurization technologies, the high-pressure process is also gradually adopting copper-based catalysts with high activity in order to improve the synthesis conditions and achieve higher efficiency and increased methanol production. However, due to high raw material and energy consumption, high reaction temperatures, a high content of organic impurities in the resulting crude methanol, as well as high investment costs, its development has remained stagnant for a long time. Germany’s BASF company was the pioneer of this technology; it began industrial production of methanol in 1923, and until 1965, this high-pressure process remained the only method for synthesizing methanol.

Alcohol producers focused on output may consider it, but it may not be economically viable.