Hydrogen By Water Electrolyser

Hydrogen By Water Electrolyser
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Why hydrogen plant from MOS Techno Engineers
  • Minimal space required & Negligible Maintenance
  • Continuous Online Purity Check
  • Low Generation Cost, Low Power Consumption.
  • Once started it can be left un-attended.
  • PLC Controlled & Requires No Operator’s Attention
  • Hydrogen Purity Up to 99.9999% Achievable
  • Remote monitoring and control already proven in many references.
  • In case of any abnormality the Generator would trip automatically with Audio Visual/Alarms for action.
  • Skid-Mounted, Pre-commissioned at our works & Almost ready to use. Plug n play in small sizes.
  • Customized engineering and Ability to custom design our large Hydrogen generator plants to your specific requirements.
  • Long-term commitment to R&D utilizing integrated, fully-functional pilot facility.
  • When Storage Tank Get Filled the Gas Generator Goes to Sleep & restarts once the pressure in Tank reduces to set Limit.

Process Description of the Pressurized Water Electrolysis System

The hydrogen Generator offered By MOS Techno Engineers is based on Bipolar Pressurized Water Electrolysis Based System. The Hydrogen By Water Electrolyser can be operated at a pressure of from 10 - 32 barg. Each electrolyser is designed for a capacity 10 % extra of desired final hydrogen flow. The Main equipment of hydrogen generator is electrolyser, in which, water is decomposed into hydrogen and oxygen through electrolysis, and the equation is : 2H2O >>>> 2 H 2+O 2 <>/p

  • The electrolyser we use is bipolar pressurized type.
  • The cell of electrolyser is divided into anode cell and cathode cell.
  • Hydrogen is generated on cathode side.
  • Oxygen is generated on anode side.
  • Electrolyser is filled with electrolyte KOH mixed with DM water (30% KOH).
  • A Rectifier with Transformer is used to change high AC Voltage electricity to low AC voltage and then through rectifying by the rectifier to become DC power.
  • The positive pole of DC power is connected to the anode of electrolyser, cathode of electrolyser is connected to negative pole
  • Electrolyser is filled with electrolyte KOH mixed with DM water (30% KOH).
  • A Rectifier with Transformer is used to chnage high AC Voltage electricity to low AC voltage and then through rectifying by the rectifier to become DC power.
  • The positive pole of DC power is connected to the anode of electrolyser, cathode of electrolyser is conected to negative pole

Cathodic reaction is 4H 2O+4e >>>> 2H 2+4OH- Anodic reaction is 4OH ­­- >>>> O 2+2HH2O+4e
  • Once the DC current is passed in the elctrolyser while the electrolyte is being circulated the hydrogen and Oxygen are generated and are sent hydrogen and oxygen separators.
  • In the Separators the hydrogen and oxygen are separated with electrolyte due to gravity and the electolyte come down.
  • The pressure in the system is raised due to accumalated gas and is maintained at a set pressure by means of regulating valve.
  • The electrolyte at the bottom of hydrogen and oxygen separators by gravity comes back and is pumped back to electrolyser after filtering and cooling, to complete the process cycle.
  • While THe hydrogen gas is generated and is collected for further use , the Oxygen generated can also be collected for use seprately or allowed to be vented.
  • The DM Water ( pressurised )is continously fed to the Gas Sepration Skid enabling make up of Dm water used while generation.
  • The Hydrogen Generated from electrolyser Is of 99.9 % pure and can be used for most of the applications.
  • For higher purity, Hydrogen Purification is provided by which Hydrogen of 99.999% and a Dew Point of (-) 70°C can be achieved.
  • Our Hydrogen Plant can be designed for a pressure of minimum 10 barg to a maximum of 30 barg. In case a higher pressure is required, an oil-free diaphgram type hydrogen booster can be provided.