HYDROGEN GENERATION

AN OVERVIEW

PURPOSE OF HYDROGEN

IN THERMAL POWER STATION

COOLING OF GENERATOR ROTOR

IT IS MOST SUITABLE COOLANTHIGHER SPECIFIC HEAT

LOWER MASSBETTER CIRCULATION

GOOD THERMAL CONDUCTIVITY

BUT ITS MIXTURE WITH AIR IS

EXPLOSIVE

HYDROGEN GENERATION PROCESS

• ELECTROLYSIS OF WATER

• ELECTROCHEMICAL CELL

• NATURAL HYDROGEN EXTRACTION

ELECTROLYSIS

H2O + Q H2 + O2

• NORMAL WATER IS NOT VERY SUITABLE FOR ELECTRICAL CONDUCTION

• KOH(30%) IS ADDED TO DM WATER

• K2Cr2O7(1%) IS ADDED AS CATALYST

H2

SURGE TANK

O2

HEATER

COOLER

REDUCER

PRESSUREREGULATOR

+

-

DEHUMIDIFIER

SOLUTION TANK

ELECTROLYSER

SEPARARTION COLUMN

-