The raw materials for methanol production can be natural gas, coke oven gas, coal, residual oil, naphtha, acetylene tail gas or other waste gas containing hydrogen and carbon monoxide. Since the 1950s, natural gas has gradually become the main raw material for methanol synthesis. At present, more than 90% of the plants in the world use natural gas as raw material. Because the process flow of methanol production from natural gas is short, the investment is low, the production cost is low, and the emission of three wastes is less. It is a clean energy that should be vigorously promoted.
● Energy saving and investment saving.
● A new type of methanol synthesis tower with by-product medium pressure steam is adopted to reduce energy consumption.
● High equipment integration, small on-site workload and short construction period.
● Energy saving technologies, such as hydrogen recovery technology, pre conversion technology, natural gas saturation technology and combustion air preheating technology, are adopted to reduce methanol consumption. Through various measures, the energy consumption per ton of methanol is reduced from 38 ~ 40 GJ to 29 ~ 33 GJ.
Natural gas is used as raw material, and then compressed, desulfurized and purified to produce syngas (mainly composed of H2 and CO). After further compression, the syngas enters the methanol synthesis tower to synthesize methanol under the action of catalyst. After the synthesis of crude methanol, through pre distillation to remove fusel, rectification to obtain the finished methanol.
Plant Size |
≤300MTPD (100000MTPA) |
Purity |
~99.90% (v/v) ,GB338-2011 & O-M-23K AA Grade |
Pressure |
Normal |
Temperature |
~30˚C |