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Ammonia Cracking
Units
 MGS
Ammonia Cracking Units or Ammonia Cracker Gas Generator
produces mixture of Hydrogen and Nitrogen by cracking Ammonia,
which takes place in presence of Nickel catalyst at 850°C
temperature.
Ammonia Cracking Units / Ammonia Crackers
MGS Ammonia Cracking Units or Ammonia Crackers are fully
automatic, easily operational and are virtually maintenance
free . In addition they have a compact body and can be
installed very close to PSA Nitrogen generation equipment. The
cost of Hydrogen generation by this method comes to around
Rs.4.00 per Cubic Meter only.
Ammonia Crackers are very simple units. They are widely used
in industries for small generation of Hydrogen gas. Ammonia
Cracking Units are electrically heated units which consume
around 1.4KW power per Cubic Meter of Hydrogen. Raw material
for these units is Ammonia gas which is easily available in
standard 60kgs capacity cylinders in open market. When Ammonia
gas is passed over Nickel catalyst in these units, it cracks
into N2 + H2 mixture containing 75% Hydrogen and 25% Nitrogen.
This mixture is used as Deoxo Purification Unit for Oxygen
removal.
FOR GETTING PURE HYDROGEN
If pure Hydrogen gas of 99.99% purity is required, a PSA
Molecular sieves unit after these Ammonia crackers is provided
,which removes Nitrogen. This PSA unit operates at 7kg/cm²g
pressure and produces pure Hydrogen gas at 5.5kg/cm² pressure.
This type of ammonia based hydrogen generator is very
economical up to 50 Nm³/hr Hydrogen capacity.
MOLECULAR SIEVES PURIFIER
A Molecular sieve purifier is provided after Ammonia cracking
unit for reducing residual ammonia content and to get very dry
gas. This reduces ammonia down to 1-ppm level and dries gas up
to (-) 80°C dew point.
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GAS COMPOSITION |
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Without Molecular Sieves
Purifier |
With Molecular Sieves
Purifier |
| Hydrogen |
75% |
75% |
| Nitrogen |
25% |
25% |
| Oxygen |
Nil |
Nil |
| Residual ammonia |
100-ppm(max) |
1-ppm (max) |
| Dew Point |
(-) 30°C |
Up to (-)80°C |
CAPACITIES
1 Nm³/hr to 600 Nm³/hr.
FEATURES
- Fully automatic, skid mounted units.
- Catalyst retort is made of heat resistant alloy which
can withstand max. 1150°C operating temperature.
- Furnace has efficient ceramic fiber insulation and a
hinged door for easy maintenance and easy inspection.
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