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Home Chemical and Gas Plants Purge Gas Plants

Purge Gas Plants

Plants for hydrogen and/or argon recovery from purge gas for subsequent feeding into the synthesis gas generation of the ammoniac production are offered by us.

We use our cryogenic technology which, for that purpose, has a number of advantages compared to alternative technologies such as e. g. the membrane technology. The cryogenic technology has in particular a higher economic efficiency, an unlimited service life within the expected life of a plant as well as a high degree of separation for inert gases.

A hydrogen production at different pressure levels enables a feeding of the synthesis gas into the synthesis gas compressor in intermediate stages.

Purge Gas Plants - Example 1

Hydrogen recovery from purge gas of an ammonia synthesis plant in Indonesia


Indonesia

Client

Mitsubishi Heavy Industries, Ltd./Japan

Location

Bontang (East-Kalimantan)/Indonesia

Process

Adsorbtive drying,
cryogenic partial condensation

Capacity

Purge Gas 25,900 Nm3/h (23.1 MMSCFD)
Hydrogen 17,300 Nm3/h (15.4 MMSCFD)

Purity

90 vol% Hydrogen

Scope of work

Basic and detail engineering, procurement, supervision of start-up

Start-up

2000

Purge Gas Plants - Example 2
Hydrogen recovery from purge gas of an ammonia synthesis plant in India

India


Client

Nagarjuna Fertilizers and Chemicals Limited (NFCL)

Location

Kakinada/India

Process

NH3 scrubbing and regeneration, adsorptive drying, cryogenic partial condensation

Capacity

Purge Gas 30,000 Nm3/h (26.8 MMSCFD)
Hydrogen 19,800 Nm3/h (17.7 MMSCFD)
Ammonia 800 kg/h

Purity

Hydrogen 89 Vol.-%
Ammonia 97,5 Vol.-%

Scope of work

Basic and Detail engineering, procurement, supervision of construction and start-up

Start-up

1998



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