200Nm3/H PSA Unit For Hydrogen Production Manufacturing Plant

200Nm3/H PSA Unit For Hydrogen Production Manufacturing Plant

Wei Tai 200Nm3/h PSA Hydrogen Plant,Hydrogen Production From Methanol

Technology Application

Using methanol as raw material, crude hydrogen (mainly CO2, H2, and trace CO, CH4) is produced by steam cracking process, and then purified by pressure swing adsorption technology to obtain hydrogen with purity meeting the requirements of users.
The raw methanol and raw desalted water are premixed at a certain ratio, pressurized by metering pump, preheated, gasified and superheated, and then enter the reactor. Under the action of catalyst, the reaction is carried out to generate crude hydrogen. After heat exchange, the heat is recovered, cooled, and then enter the pressure swing adsorption device for final purification.

Process Principles for pressure swing adsorption

Adsorption: a phenomena and process is that when the two material of different physical phases contact, the material molecules with low density enrich in the surface of which with high density. Adsorbing material (usually a porous solid density is relatively large ) is known as the adsorbent, adsorbed material (usually a gas density is relatively small) is called as adsorbate. According to the nature of the different adsorption, it can be divided into four categories, namely: the chemical adsorption, activated adsorption, capillary condensation and physical adsorption.

The many paths to hydrogen

Steam reforming is the main method used to produce hydrogen on an industrial scale today. In an initial step, feedstocks such as natural gas, LPG or naphtha are combined with steam to produce synthesis gas with the aid of a heterogeneous catalyst. This mixture of carbon monoxide and hydrogen is then further processed. Since fossil fuels are used in this production method, the end product is called gray hydrogen. Gray hydrogen can also be produced through the partial oxidation of refinery residues. This residue material is heated to a very high temperature with oxygen and steam to produce a raw synthesis gas. If the carbon dioxide (CO2) contained in this gas is removed in a downstream carbon capture process, the resulting hydrogen is called blue. Green hydrogen (H2) is obtained either by steam reforming, if bio-based feedstock is available, or by splitting water by electrolysis. The electricity needed for this electrolysis process is generated exclusively from renewable sources. Through our ITM Linde Electrolysis (ILE) joint venture, we are one of the world’s leading suppliers of PEM electrolyzer technologies (proton-exchange membranes), which means that our customers can rely on us for end-to-end, integrated green H2 solutions.

Technical indexes

Capacity:200Nm3/h
Purity:99% ~ 99.999%

Features and advantages:

Mature process technology and safe and reliable operation.
Wide source of raw material and large processing scale.
Advanced recovery technology of thermal energy and low consumption of production energy.

Reference