MCE offers stick built as well as Hydrogen plants using natural gas as feedstocks. The plant comprises of following major equipment:
Natural gas is treated to remove hydrocarbon liquids, water and acid gases and then preheated in the waste heat recovery section of the reformer. After preheating, the gas is fed to hydrogenator where the organic sulfur compounds are converted into H2S which is removed by adsorption of it on solid bed scavenger. The clean gas is compressor and sent to Reformer.
CH4+H2O = CO+3H2
CH4+2H2O = CO2+4H2
Treated gas is passed though pre-reformer where it is blended with Steam before entering into proprietary compact steam methane reformer. In the reformer, conversion of gas and steam mixture into hydrogen, carbon monoxide and carbon dioxide takes place over the catalyst. Product gas from the reformer is cooled by steam generation before entering into the shift converter.
CO+H2O=CO2+H2
The cooled gas from the reformer is sent over the shift catalyst to lower the concentration of carbon monoxide in the gas and increase the yield of hydrogen. The Water Gas Shift (WGS) reactor converts carbon monoxide and steam to hydrogen and carbon dioxide. The gas from shift converter is cooled further to ambient temperature before entering the PSA unit
High purity hydrogen product is obtained in Pressure Swing Adsorption (PSA) Unit. At high pressures, the off gases are adsorbed and pure H2 is obtained in main gas stream. Off-gases are released during low pressure cycle and used in the reformer as fuel supplement with natural gas. MCE also supplies factory assembled, containerized units to produce 100/ 500/ 1000 Nm3/hr. Hydrogen
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